IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 1 STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. AVERAGE OF MEAN DAILY TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MAX-MIN 1961 -1.8 -2.0 2.1 8.4 16.1 18.5 21.7 19.5 18.3 8.0 7.8 ****** ****** 1962 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** 17.6 13.2 4.6 -2.6 ****** 1964 -5.4 0.4 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 ****** ****** ****** ****** ****** ****** 17.7 18.0 15.8 12.9 4.6 ****** ****** 1966 ****** ****** ****** ****** ****** ****** ****** 18.4 16.0 11.8 2.8 -5.0 ****** 1967 -3.1 0.4 2.2 4.0 12.7 19.2 21.4 18.9 15.4 11.3 4.7 0.2 24.5 1968 -0.6 3.1 4.9 12.1 13.2 20.4 19.5 18.9 ****** ****** ****** ****** ****** 1969 ****** ****** ****** ****** ****** ****** ****** ****** 16.0 16.8 4.6 5.3 ****** 1970 -0.4 4.1 6.8 13.1 15.1 20.7 22.9 22.7 21.1 ****** 8.3 -0.6 ****** 1971 -3.7 0.5 8.1 11.7 18.1 20.0 22.1 20.5 15.2 11.6 7.8 2.4 25.8 1972 ****** ****** ****** 12.6 14.1 20.3 21.5 19.1 18.3 13.5 8.2 -3.1 ****** 1973 -5.0 2.8 5.1 11.5 16.1 21.6 22.3 21.7 16.5 14.4 ****** 0.1 ****** 1974 -2.6 -4.7 4.7 10.5 18.1 21.9 23.2 20.7 16.7 11.5 8.5 1.2 27.9 1975 -1.3 1.2 4.9 13.1 15.4 23.7 27.1 27.2 22.9 14.7 7.5 5.6 28.5 1976 3.4 -5.1 0.9 4.6 17.2 21.4 24.1 22.2 20.0 12.4 4.4 0.3 29.2 1977 -6.8 1.3 11.1 14.5 17.1 23.7 24.2 23.2 19.1 12.9 7.3 2.7 31.0 1978 0.3 0.9 5.6 12.9 16.0 20.6 22.8 21.3 20.0 14.0 3.9 4.8 22.5 1979 -0.6 2.2 5.3 14.0 14.1 20.3 24.5 20.9 19.8 16.2 7.3 3.2 25.1 1980 -1.7 -3.1 5.2 15.4 18.6 21.7 23.6 22.8 19.2 11.9 8.6 3.7 26.7 1981 1.6 3.5 8.3 11.7 16.7 20.3 23.5 22.3 18.5 11.8 8.4 3.9 21.9 1982 -1.5 -4.5 3.1 14.8 18.1 21.6 23.5 21.8 17.5 11.6 3.3 -0.4 28.0 1983 -1.4 2.3 4.1 11.8 18.7 22.9 26.0 24.2 19.7 11.9 9.1 1.2 27.4 1984 0.7 -3.5 7.4 13.5 16.1 21.3 24.4 24.9 18.7 11.7 8.4 -4.7 29.6 1985 -0.5 3.5 3.9 13.9 18.1 23.7 24.6 20.9 19.9 12.4 8.7 2.6 25.1 1986 1.1 2.1 2.2 11.7 18.7 21.4 23.8 21.4 19.0 15.5 6.7 2.1 22.7 1987 3.8 3.8 6.8 11.8 18.8 21.5 23.4 24.0 19.0 8.9 8.1 4.8 20.2 1988 -1.7 0.4 7.8 13.6 17.3 23.2 24.4 22.6 19.2 13.5 9.7 5.1 26.1 1989 -4.1 -4.4 6.9 13.0 16.7 23.1 25.2 23.1 19.5 15.4 7.7 4.7 29.6 1990 -1.4 0.7 6.3 12.1 18.6 23.8 24.0 24.1 21.2 13.3 9.8 0.8 25.5 1991 -0.8 1.3 5.5 13.9 15.4 21.0 23.8 23.0 19.5 13.2 7.3 3.7 24.6 1992 -0.6 1.8 2.7 10.9 13.8 21.4 24.0 20.8 17.5 12.8 9.7 3.4 24.6 1993 -1.7 1.0 5.3 13.4 17.0 21.6 23.4 22.1 20.4 11.4 4.8 3.4 25.1 1994 1.9 0.6 7.8 12.5 18.1 21.9 24.1 24.2 15.9 12.0 10.3 1.9 23.6 1995 3.0 3.5 6.8 13.7 17.3 21.6 26.0 24.8 19.0 12.2 9.9 1.5 24.5 1996 -0.5 1.6 5.2 11.2 17.5 21.9 23.9 22.6 21.6 13.6 6.4 5.4 24.4 1997 2.3 0.3 4.7 13.3 16.7 22.4 25.5 24.0 19.9 15.6 7.0 3.7 25.2 1998 -0.8 -0.4 6.2 14.7 17.1 22.2 24.9 24.0 19.7 14.2 10.4 7.0 25.7 1999 1.7 6.4 6.6 11.6 16.8 22.5 22.9 24.3 19.5 14.5 5.8 5.1 22.6 2000 1.6 0.8 7.0 16.8 20.4 21.7 23.7 23.7 21.2 13.3 5.5 4.4 22.9 MEAN -0.8 0.7 5.5 12.3 16.8 21.6 23.5 22.2 18.8 12.9 7.2 2.2 24.3 SD 2.48 2.78 2.14 2.57 1.77 1.28 1.77 2.10 1.88 1.82 2.10 2.92 2.13 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 2 STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. AVERAGE OF MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 -8.8 -9.6 -5.4 0.3 5.7 7.9 11.5 9.4 10.2 -0.5 1.8 ****** ****** 1962 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** 8.7 5.2 -1.2 -7.8 ****** 1964 -10.2 -3.7 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 ****** ****** ****** ****** ****** ****** 8.2 8.8 8.4 5.1 -1.0 ****** ****** 1966 ****** ****** ****** ****** ****** ****** ****** 9.4 7.0 4.5 -4.5 -9.8 ****** 1967 -8.3 -3.9 -2.5 0.3 7.9 10.5 12.0 10.6 8.8 4.2 -0.7 -4.0 2.9 1968 -6.0 -1.4 0.8 4.1 5.9 11.8 12.7 12.0 ****** ****** ****** ****** ****** 1969 ****** ****** ****** ****** ****** ****** ****** ****** 9.0 12.3 -0.6 1.4 ****** 1970 -4.1 -0.7 0.9 5.5 6.6 12.9 15.3 15.1 14.4 ****** 0.4 -7.7 ****** 1971 -10.2 -5.6 1.8 5.5 9.2 11.5 13.8 10.9 4.9 2.9 1.2 -4.4 3.5 1972 ****** ****** ****** 4.5 8.2 13.2 13.9 11.2 9.2 4.6 0.7 -7.7 ****** 1973 -11.4 -3.9 -0.6 4.7 10.2 14.1 14.4 13.4 7.9 4.7 ****** -8.2 ****** 1974 -8.8 -11.8 -1.2 3.4 9.3 12.8 14.6 12.4 8.6 2.3 0.7 -5.1 3.1 1975 -7.9 -4.4 -1.9 4.8 8.1 14.6 18.9 20.2 16.4 7.5 1.5 1.0 6.6 1976 -2.2 -11.7 -5.5 -1.1 9.8 13.6 16.0 13.1 11.4 5.3 -3.7 -5.2 3.3 1977 -12.6 -6.0 3.7 7.1 9.8 15.2 15.9 14.9 9.9 6.3 1.9 -2.0 5.3 1978 -5.8 -5.1 -0.8 6.3 9.2 12.5 14.6 12.5 10.4 6.0 -0.5 -1.1 4.9 1979 -6.4 -2.4 -0.0 7.6 7.2 12.5 15.9 12.1 10.7 8.4 -1.7 -2.5 5.1 1980 -7.2 -9.0 -0.2 7.7 10.8 13.2 14.3 14.3 10.3 4.9 2.2 -2.8 4.9 1981 -4.2 -2.7 1.7 5.1 10.6 12.4 15.8 14.0 9.4 4.5 0.1 -2.8 5.3 1982 -8.1 -11.6 -2.5 7.0 11.0 13.9 15.0 13.7 8.7 5.6 -1.2 -6.6 3.7 1983 -7.2 -4.5 -2.0 5.6 11.8 14.8 17.0 16.2 11.6 3.0 0.6 -4.9 5.2 1984 -4.5 -9.2 2.5 6.8 9.3 13.6 16.4 16.9 10.0 3.6 2.9 -10.5 4.8 1985 -6.2 -2.5 -1.5 6.7 9.8 15.2 16.7 13.4 10.4 4.6 2.0 -1.9 5.6 1986 -5.6 -3.3 -2.3 5.7 11.4 13.4 15.8 12.9 9.9 7.8 1.0 -2.7 5.3 1987 -1.8 -1.8 2.6 5.4 11.7 13.5 16.0 16.3 11.6 3.4 2.0 -1.7 6.4 1988 -6.6 -4.7 2.3 7.7 10.9 15.2 17.2 15.6 11.7 6.3 3.2 -0.4 6.5 1989 -9.0 -9.6 1.7 6.1 9.0 15.1 18.0 15.2 11.3 7.5 1.1 0.8 5.6 1990 -5.0 -3.0 0.4 6.2 11.2 15.6 16.8 16.5 12.5 5.8 2.9 -4.5 6.3 1991 -5.1 -3.0 1.9 7.6 9.2 13.8 16.5 15.0 12.0 6.0 1.5 -1.2 6.2 1992 -4.6 -3.0 -2.1 5.2 8.3 14.6 16.5 13.8 9.9 5.1 2.7 -0.6 5.5 1993 -6.2 -2.8 0.5 7.0 11.2 14.2 16.1 14.3 12.3 4.0 0.2 -1.8 5.7 1994 -2.8 -4.3 2.2 5.8 10.8 14.2 16.4 16.1 7.6 5.8 4.6 -3.1 6.1 1995 -2.5 -2.1 0.7 7.3 10.0 13.8 18.4 16.6 11.1 4.8 2.2 -3.5 6.4 1996 -5.9 -3.2 1.2 5.6 10.9 14.6 16.8 14.5 13.4 6.6 0.3 -0.6 6.2 1997 -2.7 -5.5 -0.3 6.8 9.9 15.1 17.7 15.8 11.7 8.2 1.8 -0.9 6.5 1998 -4.8 -5.0 0.3 8.3 10.4 14.7 17.8 16.9 11.7 6.4 3.9 1.2 6.8 1999 -2.5 0.8 1.6 5.2 9.8 14.9 15.8 16.2 11.4 6.8 1.4 -0.7 6.7 2000 -3.5 -4.3 0.9 9.2 12.2 14.2 16.5 15.6 13.7 7.3 0.6 -0.2 6.8 MEAN -6.1 -4.8 -0.0 5.6 9.6 13.6 15.6 14.1 10.5 5.5 0.8 -3.2 5.1 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 3 STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. AVERAGE OF MAXIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 5.1 5.7 9.5 16.5 26.4 29.0 32.0 29.6 26.5 16.6 13.9 ****** ****** 1962 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** 26.5 21.3 10.4 2.6 ****** 1964 0.1 4.4 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 ****** ****** ****** ****** ****** ****** 27.1 27.1 23.1 20.8 10.2 ****** ****** 1966 ****** ****** ****** ****** ****** ****** ****** 27.4 25.0 19.2 10.0 -0.2 ****** 1967 2.1 4.7 6.9 7.6 17.5 27.8 30.8 27.2 22.0 18.4 10.1 4.4 15.0 1968 4.7 7.5 9.0 20.1 20.5 28.9 26.3 26.0 ****** ****** ****** ****** ****** 1969 ****** ****** ****** ****** ****** ****** ****** ****** 23.1 21.3 9.8 9.2 ****** 1970 3.4 9.0 12.7 20.7 23.5 28.5 30.4 30.3 27.7 ****** 16.1 6.5 ****** 1971 2.7 6.5 14.3 17.9 26.9 28.5 30.3 30.0 25.5 20.3 14.4 9.3 18.9 1972 ****** ****** ****** 20.7 20.0 27.4 29.2 26.9 27.4 22.4 15.8 1.5 ****** 1973 1.4 9.5 10.7 18.3 22.0 29.1 30.2 30.1 25.1 24.1 ****** 8.3 ****** 1974 3.6 2.4 10.7 17.7 27.0 31.0 31.8 28.9 24.8 20.6 16.2 7.5 18.5 1975 5.3 6.8 11.6 21.4 22.6 32.8 35.3 34.3 29.4 21.8 13.6 10.3 20.4 1976 9.1 1.5 7.3 10.4 24.6 29.3 32.1 31.4 28.6 19.6 12.6 5.7 17.7 1977 -1.0 8.6 18.5 22.0 24.3 32.2 32.5 31.5 28.2 19.5 12.8 7.4 19.7 1978 6.4 6.7 11.9 19.6 22.8 28.7 31.0 29.9 29.5 22.0 8.2 10.6 19.0 1979 5.2 6.9 10.8 20.4 21.1 28.1 33.1 29.7 28.8 24.1 16.3 8.9 19.5 1980 3.7 2.8 10.6 23.1 26.5 30.2 32.8 31.4 28.2 18.8 15.1 10.1 19.4 1981 7.4 9.5 14.8 18.3 22.8 28.1 31.2 30.7 27.6 19.2 16.8 10.6 19.7 1982 4.7 2.8 8.7 22.7 25.2 29.4 32.0 29.8 26.3 17.6 7.8 5.7 17.7 1983 4.3 9.1 10.3 18.0 25.7 31.1 34.9 32.2 27.7 20.9 17.7 7.3 19.9 1984 5.9 2.2 12.2 20.3 22.9 29.1 32.4 32.9 27.4 19.9 14.0 1.2 18.4 1985 5.2 9.6 9.2 21.1 26.4 32.1 32.5 28.3 29.4 20.3 15.3 7.2 19.7 1986 7.8 7.5 6.6 17.7 26.1 29.5 31.9 29.8 28.0 23.2 12.3 6.8 18.9 1987 9.4 9.4 11.1 18.2 26.0 29.6 30.7 31.7 26.4 14.5 14.3 11.2 19.4 1988 3.2 5.5 13.3 19.6 23.6 31.2 31.5 29.7 26.7 20.7 16.2 10.6 19.3 1989 0.7 0.8 12.2 19.8 24.4 31.1 32.5 31.1 27.8 23.4 14.3 8.6 18.9 1990 2.1 4.5 12.2 18.1 25.9 31.9 31.2 31.6 29.8 20.7 16.6 6.1 19.3 1991 3.5 5.6 9.1 20.3 21.6 28.3 31.2 31.0 27.0 20.5 13.2 8.6 18.3 1992 3.5 6.6 7.5 16.8 19.3 28.2 31.6 27.9 25.2 20.5 16.8 7.4 17.6 1993 2.8 4.9 10.1 19.8 22.9 29.0 30.7 29.8 28.6 18.8 9.4 8.6 17.9 1994 6.6 5.4 13.3 19.2 25.4 29.6 31.8 32.3 24.1 18.1 16.0 6.9 19.1 1995 8.4 9.0 13.0 20.1 24.7 29.3 33.5 33.0 26.9 19.6 17.6 6.5 20.1 1996 4.9 6.4 9.1 16.9 24.0 29.2 31.0 30.6 29.8 20.6 12.4 11.4 18.9 1997 7.2 6.1 9.7 19.9 23.4 29.7 33.3 32.3 28.1 23.0 12.1 8.3 19.4 1998 3.2 4.3 12.0 21.2 23.7 29.6 32.1 31.1 27.7 21.9 16.9 12.9 19.7 1999 6.0 12.1 11.5 18.1 23.7 30.2 30.1 32.4 27.5 22.2 10.2 10.9 19.6 2000 6.6 6.0 13.0 24.5 28.7 29.2 30.9 31.8 28.7 19.3 10.4 9.0 19.9 MEAN 4.6 6.2 11.0 19.0 23.9 29.6 31.5 30.3 27.0 20.4 13.5 7.7 18.7 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 4 STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. DIFFERENCE BETWEEN AVERAGE MAXIMUM AND MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 13.9 15.3 14.9 16.2 20.7 21.1 20.5 20.2 16.3 17.1 12.1 ****** ****** 1962 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** 17.8 16.1 11.6 10.4 ****** 1964 10.3 8.1 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 ****** ****** ****** ****** ****** ****** 18.9 18.3 14.7 15.7 11.2 ****** ****** 1966 ****** ****** ****** ****** ****** ****** ****** 18.0 18.0 14.7 14.5 9.6 ****** 1967 10.4 8.6 9.4 7.3 9.6 17.3 18.8 16.6 13.3 14.2 10.8 8.4 12.1 1968 10.7 8.9 8.2 16.0 14.6 17.1 13.6 14.0 ****** ****** ****** ****** ****** 1969 ****** ****** ****** ****** ****** ****** ****** ****** 14.1 9.0 10.4 7.8 ****** 1970 7.5 9.7 11.8 15.2 16.9 15.6 15.1 15.2 13.3 ****** 15.7 14.2 ****** 1971 12.9 12.1 12.5 12.4 17.7 17.0 16.5 19.1 20.6 17.4 13.2 13.7 15.4 1972 ****** ****** ****** 16.2 11.8 14.2 15.3 15.7 18.2 17.8 15.1 9.2 ****** 1973 12.8 13.4 11.3 13.6 11.8 15.0 15.8 16.7 17.2 19.4 ****** 16.5 ****** 1974 12.4 14.2 11.9 14.3 17.7 18.2 17.2 16.5 16.2 18.3 15.5 12.6 15.4 1975 13.2 11.2 13.5 16.6 14.5 18.2 16.4 14.1 13.0 14.3 12.1 9.3 13.9 1976 11.3 13.2 12.8 11.5 14.8 15.7 16.1 18.3 17.2 14.3 16.3 10.9 14.4 1977 11.6 14.6 14.8 14.9 14.5 17.0 16.6 16.6 18.3 13.2 10.9 9.4 14.4 1978 12.2 11.8 12.7 13.3 13.6 16.2 16.4 17.4 19.1 16.0 8.7 11.7 14.1 1979 11.6 9.3 10.8 12.8 13.9 15.6 17.2 17.6 18.1 15.7 18.0 11.4 14.3 1980 10.9 11.8 10.8 15.4 15.7 17.0 18.5 17.1 17.9 13.9 12.9 12.9 14.6 1981 11.6 12.2 13.1 13.2 12.2 15.7 15.4 16.7 18.2 14.7 16.7 13.4 14.4 1982 12.8 14.4 11.2 15.7 14.2 15.5 17.0 16.1 17.6 12.0 9.0 12.3 14.0 1983 11.5 13.6 12.3 12.4 13.9 16.3 17.9 16.0 16.1 17.9 17.1 12.2 14.8 1984 10.4 11.4 9.7 13.5 13.6 15.5 16.0 16.0 17.4 16.3 11.1 11.7 13.5 1985 11.4 12.1 10.7 14.4 16.6 16.9 15.8 14.9 19.0 15.7 13.3 9.1 14.2 1986 13.4 10.8 8.9 12.0 14.7 16.1 16.1 16.9 18.1 15.4 11.3 9.5 13.6 1987 11.2 11.2 8.5 12.8 14.3 16.1 14.7 15.4 14.8 11.1 12.3 12.9 12.9 1988 9.8 10.2 11.0 11.9 12.7 16.0 14.3 14.1 15.0 14.4 13.0 11.0 12.8 1989 9.7 10.4 10.5 13.7 15.4 16.0 14.5 15.9 16.5 15.9 13.2 7.8 13.3 1990 7.1 7.5 11.8 11.9 14.7 16.3 14.4 15.1 17.3 14.9 13.7 10.6 12.9 1991 8.6 8.6 7.2 12.7 12.4 14.5 14.7 16.0 15.0 14.5 11.7 9.8 12.1 1992 8.1 9.6 9.6 11.6 11.0 13.6 15.1 14.1 15.3 15.4 14.1 8.0 12.1 1993 9.0 7.7 9.6 12.8 11.7 14.8 14.6 15.5 16.3 14.8 9.2 10.4 12.2 1994 9.4 9.7 11.1 13.4 14.6 15.4 15.4 16.2 16.5 12.3 11.4 10.0 12.9 1995 10.9 11.1 12.3 12.8 14.7 15.5 15.1 16.4 15.8 14.8 15.4 10.0 13.7 1996 10.8 9.6 7.9 11.3 13.1 14.6 14.2 16.1 16.4 14.0 12.1 12.0 12.7 1997 9.9 11.6 10.0 13.1 13.5 14.6 15.6 16.5 16.4 14.8 10.3 9.2 13.0 1998 8.0 9.3 11.7 12.9 13.3 14.9 14.3 14.2 16.0 15.5 13.0 11.7 12.9 1999 8.5 11.3 9.9 12.9 13.9 15.3 14.3 16.2 16.1 15.4 8.8 11.6 12.8 2000 10.1 10.3 12.1 15.3 16.5 15.0 14.4 16.2 15.0 12.0 9.8 9.2 13.0 MEAN 10.7 11.0 11.0 13.4 14.3 16.0 15.9 16.3 16.5 15.0 12.7 10.9 13.6 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 5 STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 2.82 2.90 4.02 5.80 8.42 8.66 10.20 9.91 7.44 4.12 4.60 ****** ****** 1962 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** 6.51 4.74 3.43 2.48 ****** 1964 1.91 3.06 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 ****** ****** ****** ****** ****** ****** 6.23 7.65 7.04 4.74 3.52 ****** ****** 1966 ****** ****** ****** ****** ****** ****** ****** 7.66 4.82 4.55 2.08 1.76 ****** 1967 2.37 2.81 2.99 3.07 4.50 7.69 2.71 4.84 5.42 4.56 3.62 2.24 3.90 1968 2.39 3.06 3.22 4.32 4.71 7.00 7.10 7.08 ****** ****** ****** ****** ****** 1969 ****** ****** ****** ****** ****** ****** ****** ****** 8.22 7.73 4.31 4.57 ****** 1970 2.91 3.78 4.53 6.88 8.29 10.37 10.90 12.26 9.12 ****** 3.81 2.36 ****** 1971 2.44 3.41 5.07 6.75 7.16 6.76 7.48 5.30 4.74 4.66 4.91 3.48 5.18 1972 ****** ****** ****** 5.41 7.73 9.76 8.07 6.25 6.49 5.04 4.27 2.57 ****** 1973 2.02 3.60 4.36 6.73 8.09 10.40 11.35 11.04 8.14 6.11 ****** 2.38 ****** 1974 1.86 1.79 4.11 6.25 8.45 10.13 11.32 9.28 8.63 5.60 4.74 2.87 6.25 1975 2.32 2.93 3.78 6.31 7.65 10.08 15.21 18.29 14.18 7.69 5.06 4.45 8.16 1976 3.55 1.97 2.95 3.80 9.36 9.34 10.15 6.68 6.83 5.37 3.03 2.98 5.50 1977 1.92 2.89 5.36 6.14 8.22 10.30 9.62 8.60 6.71 5.73 5.06 3.71 6.19 1978 2.82 3.17 4.15 6.56 8.15 9.57 9.38 8.03 6.67 5.61 4.14 3.98 6.02 1979 ****** 3.79 4.49 7.30 6.72 9.23 9.56 7.05 7.34 6.43 3.70 3.51 ****** 1980 2.58 2.60 4.74 7.35 8.57 8.85 8.75 8.81 6.72 5.65 5.24 3.63 6.12 1981 3.30 3.59 5.22 6.58 8.59 9.02 10.74 8.83 6.62 5.28 3.83 3.49 6.26 1982 2.73 2.29 3.93 6.70 8.57 9.00 9.10 8.12 5.74 6.43 4.01 2.74 5.78 1983 2.76 3.09 3.65 6.33 8.72 9.82 10.70 9.92 7.31 4.18 4.11 3.19 6.15 1984 2.94 2.37 5.04 6.12 6.86 8.10 8.20 9.19 5.78 4.54 4.91 2.08 5.51 1985 2.75 3.19 3.55 5.80 6.41 8.21 9.96 7.56 5.38 4.56 4.00 3.67 5.42 1986 2.77 3.33 3.50 5.49 7.70 7.69 8.55 6.92 5.84 6.09 3.93 3.58 5.45 1987 3.32 3.58 5.12 5.76 7.90 7.23 9.80 9.17 7.03 4.68 4.32 3.29 5.93 1988 2.78 2.98 4.67 6.80 7.84 7.89 10.05 8.92 7.65 4.64 4.50 3.80 6.04 1989 2.20 2.00 4.35 5.00 6.75 7.93 9.87 7.80 5.89 4.87 4.04 4.21 5.41 1990 3.01 3.28 3.88 5.99 7.02 8.21 8.74 8.87 5.78 4.91 4.30 2.85 5.57 1991 2.90 3.27 4.89 6.55 7.63 8.61 8.29 7.26 7.08 4.78 4.14 3.63 5.75 1992 2.99 3.22 3.57 5.79 7.17 9.89 9.41 7.85 5.74 4.62 3.77 4.00 5.67 1993 2.43 3.34 4.14 5.85 8.17 9.38 9.75 8.25 7.31 4.25 4.36 3.59 5.90 1994 3.37 3.15 4.84 5.74 6.93 8.91 9.20 9.17 4.42 5.81 5.68 3.37 5.88 1995 3.44 3.75 4.21 6.09 5.79 7.75 9.00 7.58 5.59 5.30 3.59 2.98 5.42 1996 2.57 3.06 4.55 5.73 7.21 8.43 8.89 5.80 6.66 5.23 3.72 3.36 5.43 1997 3.20 2.95 4.01 5.92 7.71 10.05 9.23 7.31 6.54 5.67 4.68 3.87 5.93 1998 3.14 3.06 4.31 6.66 7.57 8.68 9.60 9.39 6.49 5.30 4.76 4.42 6.12 1999 3.58 4.05 4.52 5.55 7.06 7.94 9.09 6.87 6.81 5.12 4.71 3.81 5.76 2000 3.12 3.10 3.96 6.61 8.12 7.39 7.58 6.80 7.36 6.14 4.08 3.95 5.68 MEAN 2.77 3.08 4.24 6.00 7.53 8.78 9.26 8.35 6.82 5.30 4.20 3.34 5.80 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 6 STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 4.40 4.57 5.79 6.52 8.00 7.67 8.95 8.85 9.14 7.30 5.68 ****** ****** 1962 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** 7.50 7.05 4.56 3.40 ****** 1964 2.77 3.52 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 ****** ****** ****** ****** ****** ****** 7.18 9.37 13.67 7.05 4.48 ****** ****** 1966 ****** ****** ****** ****** ****** ****** ****** 8.71 10.60 7.91 3.28 2.32 ****** 1967 3.23 3.32 4.18 3.72 6.07 9.63 4.97 7.33 5.87 6.20 4.48 3.33 5.19 1968 3.55 4.01 4.41 6.75 8.10 14.24 10.85 11.17 ****** ****** ****** ****** ****** 1969 ****** ****** ****** ****** ****** ****** ****** ****** 7.09 8.10 4.42 4.66 ****** 1970 3.56 4.59 5.25 5.87 5.61 8.65 9.93 12.05 9.00 ****** 4.37 3.34 ****** 1971 3.76 5.18 6.34 7.77 6.64 7.32 8.34 8.12 5.49 4.60 4.65 4.53 6.06 1972 ****** ****** ****** 6.57 7.08 9.16 7.49 6.88 6.98 5.85 5.14 3.58 ****** 1973 3.41 4.67 5.44 7.26 8.83 10.39 11.58 12.14 10.64 6.94 ****** 4.98 ****** 1974 3.53 3.92 8.10 12.24 13.19 10.82 13.98 14.20 15.07 13.86 8.90 4.37 10.18 1975 4.34 4.51 5.91 7.22 7.14 10.72 11.98 13.69 13.10 6.96 5.14 5.12 7.99 1976 3.98 2.58 3.52 4.20 9.24 8.02 8.58 5.27 6.33 6.60 3.24 3.96 5.46 1977 2.85 4.25 5.34 5.05 7.71 8.31 7.50 7.78 7.35 6.44 6.11 4.51 6.10 1978 3.45 4.49 5.15 6.17 7.89 7.86 6.88 6.34 6.44 6.45 4.89 5.34 5.95 1979 4.07 4.72 5.44 6.91 5.66 6.99 6.78 5.47 7.38 7.31 4.26 4.62 5.80 1980 3.66 3.73 5.77 7.33 8.68 7.71 6.91 8.37 7.35 6.68 6.13 4.73 6.42 1981 4.24 4.34 6.11 7.76 8.66 8.18 9.45 7.93 6.49 6.03 5.04 4.91 6.59 1982 4.04 3.58 4.79 6.84 8.23 8.30 7.08 7.46 6.05 7.04 4.69 3.85 6.00 1983 3.86 4.03 4.13 6.31 8.61 8.66 8.72 9.31 7.40 4.59 5.01 4.21 6.24 1984 3.52 3.08 5.69 6.45 6.48 7.39 6.91 8.27 6.39 5.25 5.51 3.25 5.68 1985 3.56 3.37 3.79 6.09 6.28 7.44 8.80 6.63 5.53 5.23 4.97 4.28 5.50 1986 3.75 4.12 3.70 5.81 7.23 6.65 6.97 6.00 5.59 6.44 4.28 4.23 5.40 1987 3.93 4.15 5.38 5.76 7.12 7.05 9.64 8.75 7.47 5.20 5.28 3.86 6.13 1988 3.49 3.70 4.61 6.67 7.34 6.51 8.72 7.29 7.65 5.33 4.36 3.93 5.80 1989 2.68 2.57 4.46 4.82 6.49 6.80 7.70 7.83 6.55 5.09 4.78 4.71 5.37 1990 3.41 3.68 3.85 5.64 6.47 6.81 7.31 7.61 5.86 5.15 4.39 3.18 5.28 1991 3.44 3.45 5.20 5.93 7.46 7.63 7.93 6.14 7.00 5.29 4.47 3.83 5.65 1992 3.28 3.64 4.15 6.12 7.32 8.79 7.93 6.98 4.92 4.64 3.98 4.48 5.52 1993 2.69 3.73 3.99 5.70 7.71 8.32 7.76 8.78 7.27 4.39 4.63 4.14 5.76 1994 3.88 3.31 5.05 5.28 5.72 7.86 7.73 7.42 4.04 5.91 6.00 3.65 5.49 1995 3.76 4.01 4.37 5.74 5.18 6.26 7.17 6.37 4.83 4.53 3.24 3.25 4.89 1996 2.94 3.70 4.99 5.91 6.65 6.43 6.23 4.91 6.38 4.70 3.87 3.58 5.02 1997 3.43 3.45 4.32 5.65 6.65 8.09 7.22 6.05 6.32 5.67 4.99 4.01 5.49 1998 3.53 3.54 4.45 6.38 7.45 6.84 8.22 8.14 6.21 5.42 5.05 4.60 5.82 1999 3.89 4.07 4.53 5.34 6.88 6.73 7.70 5.84 6.50 5.80 4.93 4.20 5.54 2000 3.47 3.77 4.33 7.02 8.58 6.84 6.17 5.30 6.33 6.52 4.25 4.42 5.58 MEAN 3.57 3.87 4.93 6.32 7.43 8.10 8.21 8.03 7.40 6.21 4.82 4.10 6.08 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 7 STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 3.30 3.75 4.88 6.28 8.65 8.37 9.30 8.95 9.06 5.80 5.22 ****** ****** 1962 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** 6.67 5.07 3.98 2.90 ****** 1964 2.07 3.37 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 ****** ****** ****** ****** ****** ****** 5.88 6.93 8.16 4.96 3.98 ****** ****** 1966 ****** ****** ****** ****** ****** ****** ****** 6.73 8.20 6.00 2.13 2.12 ****** 1967 2.79 2.93 3.13 3.14 4.81 7.36 3.97 5.63 5.19 4.52 3.98 2.73 4.18 1968 2.21 3.57 3.36 4.74 4.91 8.51 6.91 7.61 ****** ****** ****** ****** ****** 1969 ****** ****** ****** ****** ****** ****** ****** ****** 6.69 7.10 4.13 4.00 ****** 1970 2.23 3.66 4.47 5.34 6.06 8.82 10.01 11.93 7.66 ****** 4.58 3.03 ****** 1971 2.67 3.71 5.19 6.45 6.30 6.33 7.39 5.16 4.57 4.26 5.04 3.88 5.08 1972 ****** ****** ****** 6.78 7.41 9.06 6.65 5.41 6.62 6.44 5.07 3.18 ****** 1973 2.86 4.62 5.04 6.75 8.09 8.91 10.39 10.94 8.93 7.84 ****** 3.18 ****** 1974 2.21 2.39 5.70 7.80 10.18 9.67 12.32 12.40 11.56 8.73 6.26 3.06 7.69 1975 2.80 3.21 4.62 7.31 7.51 9.83 15.60 17.82 16.55 8.71 6.11 5.13 8.77 1976 4.11 2.28 2.95 3.96 9.46 8.46 8.09 5.00 5.80 6.06 3.50 3.63 5.27 1977 2.04 3.82 5.65 5.55 7.50 8.67 7.27 7.31 6.87 6.49 6.05 4.35 5.96 1978 3.35 3.92 4.70 6.95 8.81 8.18 6.87 5.68 6.43 6.25 4.55 4.80 5.88 1979 ****** 4.38 5.26 7.28 6.20 6.82 6.84 5.33 6.72 6.94 4.19 4.35 ****** 1980 3.06 3.31 5.49 7.80 8.47 7.68 6.81 6.96 7.01 6.71 6.18 4.24 6.14 1981 3.99 4.30 6.01 7.36 9.19 8.08 8.70 7.12 6.34 5.87 4.67 4.24 6.32 1982 3.29 2.87 4.61 7.27 8.55 7.85 7.25 6.88 5.23 7.27 4.64 3.55 5.77 1983 3.37 4.01 4.19 6.56 8.50 7.94 8.92 8.40 6.99 4.64 5.06 3.92 6.04 1984 3.61 3.03 5.87 6.47 7.08 7.02 6.83 7.58 5.76 5.33 5.59 2.70 5.57 1985 3.18 3.26 4.07 6.38 6.26 6.99 8.44 6.18 5.08 5.55 4.97 4.18 5.38 1986 3.63 4.23 3.82 5.87 6.96 6.17 6.62 5.73 5.96 6.75 4.57 4.04 5.36 1987 3.94 4.38 5.56 5.87 7.66 6.80 9.18 8.15 7.43 5.12 5.18 3.82 6.09 1988 3.39 3.82 4.92 6.95 7.81 6.76 8.71 7.16 7.57 5.07 4.82 4.11 5.93 1989 2.50 2.47 4.53 4.70 6.71 6.44 7.94 7.51 6.41 5.80 4.74 4.69 5.37 1990 3.16 3.74 4.20 6.12 6.58 6.96 7.36 7.67 5.54 5.82 4.89 3.33 5.45 1991 3.46 3.76 5.47 6.30 7.54 7.40 7.88 5.68 6.75 5.22 4.74 4.04 5.69 1992 3.26 3.81 4.18 6.23 7.63 9.48 7.64 6.93 5.07 5.03 4.08 4.41 5.65 1993 2.76 3.83 4.26 6.25 8.38 8.34 7.57 8.12 7.13 4.59 4.81 4.25 5.86 1994 3.93 3.50 5.30 5.67 6.28 7.83 7.66 7.58 3.84 6.25 6.13 3.46 5.62 1995 3.91 4.12 4.64 5.80 5.16 6.20 7.44 6.72 5.05 5.26 3.53 3.44 5.11 1996 3.02 3.70 4.98 6.07 6.72 6.28 5.92 4.85 6.59 5.24 4.26 3.71 5.11 1997 3.61 3.53 4.31 5.96 6.91 8.44 7.14 6.04 6.26 6.50 5.54 4.29 5.71 1998 3.50 3.64 4.77 6.64 7.62 6.78 7.80 7.56 6.50 5.77 5.33 4.95 5.90 1999 3.99 4.28 4.67 5.62 6.61 6.41 7.44 5.85 5.86 5.75 5.04 4.47 5.50 2000 3.65 3.74 4.58 6.49 7.14 6.67 6.21 5.58 7.11 6.24 4.47 4.41 5.52 MEAN 3.18 3.62 4.71 6.20 7.35 7.70 7.92 7.42 6.90 5.98 4.78 3.85 5.80 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 8 STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. ABSOLUTE OF MINIMUM TEMPERATURE WITH DAY YEAR JAN. DAY FEB. DAY MAR. DAY APR. DAY MAY DAY JUNE DAY JULY DAY AUG. DAY SEP. DAY OCT. DAY NOV. DAY DEC. DAY ANNUAL 1961 -18.0 11 -22.0 2 -15.0 7 -5.5 17 1.5 2 0.0 9 6.5 22 5.5 19 7.0 30 -8.0 29 -5.0 15 ***** ** ***** 1962 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1963 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** 2.0 14 1.5 17 -9.0 27 -19.5 28 ***** 1964 -18.0 30 -11.0 16 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1965 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** 2.0 22 2.0 13 6.0 4 0.5 17 -9.0 27 ***** ** ***** 1966 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** 7.0 14 3.0 4 2.0 19 -11.0 27 -18.0 23 ***** 1967 -19.5 4 -11.0 6 -11.0 30 -9.0 1 5.0 2 7.0 6 9.0 26 8.0 1 6.0 19 0.5 22 -5.0 8 -12.0 25 -19.5 1968 -18.0 9 -7.0 4 -6.0 26 1.0 28 3.0 26 8.0 1 10.0 3 9.0 1 ***** ** ***** ** ***** ** ***** ** ***** 1969 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** 2.0 15 7.0 2 -10.0 16 -0.5 1 ***** 1970 -12.0 15 -9.0 4 -4.0 14 -2.0 27 2.0 5 7.0 6 10.0 5 10.0 6 9.0 11 ***** ** -3.1 13 -20.0 17 ***** 1971 -22.0 27 -17.1 3 -3.0 7 -1.0 3 3.0 2 6.3 12 9.0 3 8.0 3 0.0 20 0.0 25 -5.0 3 -18.0 22 -22.0 1972 ***** ** ***** ** ***** ** 0.5 8 3.0 12 9.2 11 8.5 18 3.5 28 -1.5 19 -3.5 21 -4.0 10 -19.5 26 ***** 1973 -21.5 26 -18.0 7 -8.5 10 -5.0 21 6.5 16 11.0 5 11.0 27 9.5 9 -2.5 27 -2.5 1 ***** ** -13.5 11 ***** 1974 -15.4 30 -30.0 7 -12.5 10 -2.5 3 3.5 2 8.5 13 11.5 2 8.5 7 3.5 30 -2.0 21 -3.5 19 -11.0 26 -30.0 1975 -16.5 15 -8.0 20 -9.5 9 0.5 2 4.0 6 8.5 1 14.5 14 17.5 19 13.5 8 0.5 21 -6.5 16 -8.5 2 -16.5 1976 -11.0 24 -29.5 26 -21.5 3 -10.5 2 2.0 4 11.6 7 13.5 5 8.8 27 4.6 15 -1.0 31 -10.4 19 -18.0 1 -29.5 1977 -24.0 15 -20.5 3 -1.2 1 1.2 5 4.4 2 8.5 3 13.4 29 7.0 31 4.5 8 -2.8 24 -2.5 29 -10.8 31 -24.0 1978 -14.8 16 -16.0 7 -18.2 1 0.0 12 0.4 3 7.5 11 9.6 9 7.2 31 6.5 23 1.8 7 -10.0 3 -12.6 18 -18.2 1979 -18.2 29 -14.5 20 -13.3 5 1.0 18 -1.5 1 8.8 19 11.6 3 7.3 22 4.5 26 3.8 11 -12.0 24 -15.5 23 -18.2 1980 -19.5 26 -23.2 4 -9.5 5 1.5 18 5.5 18 8.8 12 9.0 2 7.2 26 6.5 14 -3.0 22 -2.5 27 -9.2 21 -23.2 1981 -11.0 5 -8.6 4 -5.0 1 -9.5 3 4.7 4 6.2 2 12.2 23 10.5 31 3.2 25 -2.0 30 -3.8 16 -10.0 31 -11.0 1982 -21.5 22 -21.5 20 -8.5 1 -3.6 1 3.5 12 10.5 19 10.5 1 7.0 25 4.5 22 -4.6 27 -5.5 29 -15.0 10 -21.5 1983 -19.5 29 -12.8 1 -6.2 19 -1.8 1 6.5 1 9.5 2 12.8 4 12.4 12 7.2 17 -2.0 13 -5.0 27 -14.2 25 -19.5 1984 -9.8 31 -21.8 7 -2.6 1 0.6 5 0.4 2 8.4 18 12.6 5 13.8 2 3.6 30 -1.4 26 -6.2 17 -17.8 30 -21.8 1985 -15.0 1 -9.4 24 -12.0 11 0.6 18 6.0 1 10.0 12 13.2 20 10.2 31 7.2 25 -0.4 24 -3.8 24 -13.0 8 -15.0 1986 -16.2 25 -13.6 14 -7.0 17 -0.4 1 7.0 19 9.6 11 11.4 23 9.4 10 6.0 4 -0.6 18 -8.2 14 -11.0 13 -16.2 1987 -7.2 22 -10.8 12 -4.6 23 -1.6 2 3.4 7 8.2 22 10.6 5 9.4 31 7.0 25 -2.8 16 -4.6 30 -7.4 3 -10.8 1988 -16.8 21 -18.8 7 -2.6 25 -0.4 3 4.8 6 11.4 1 11.6 24 10.4 25 3.6 27 1.4 3 -4.0 16 -9.6 30 -18.8 1989 -17.8 31 -17.8 4 -3.8 1 1.0 2 -0.8 3 10.8 2 12.8 31 11.4 1 3.8 23 0.6 25 -4.0 8 -3.2 25 -17.8 1990 -12.8 14 -11.8 8 -5.8 19 1.4 8 6.8 15 11.8 3 13.0 14 13.8 14 7.8 29 -1.4 17 -2.2 18 -20.2 27 -20.2 1991 -14.8 2 -13.8 13 -7.2 13 0.0 14 4.4 5 9.2 24 13.0 15 8.4 23 4.4 29 0.6 14 -5.0 29 -7.8 21 -14.8 1992 -18.8 30 -9.8 12 -13.6 13 0.0 20 0.4 5 11.4 9 13.4 13 6.4 31 5.6 13 -2.8 18 -5.8 27 -10.4 29 -18.8 1993 -15.2 20 -13.0 17 -5.6 14 1.8 14 3.6 11 9.4 23 13.2 10 9.4 2 6.2 27 -3.6 8 -10.0 15 -9.6 1 -15.2 1994 -8.6 22 -11.6 11 -2.6 2 -4.6 5 4.4 19 9.4 7 13.4 3 12.8 18 4.0 17 0.4 27 0.2 12 -10.6 8 -11.6 1995 -8.6 20 -13.0 26 -5.4 7 2.0 7 5.0 21 9.0 1 13.8 26 12.4 8 6.0 23 -6.0 19 -5.6 29 -7.6 21 -13.0 1996 -13.2 12 -13.4 4 -8.6 1 -3.6 5 3.4 3 10.0 18 13.2 15 5.0 31 7.8 1 -0.6 3 -6.6 14 -7.6 6 -13.4 1997 -14.6 30 -16.0 2 -9.4 9 -0.8 12 4.6 7 11.0 5 13.8 1 10.2 27 7.6 18 3.8 21 -3.8 26 -6.4 29 -16.0 1998 -13.4 11 -13.0 18 -14.6 3 2.2 2 3.0 4 10.6 12 14.0 25 13.4 31 6.2 13 -1.0 10 -0.6 27 -3.0 23 -14.6 1999 -11.4 3 -3.2 1 -5.6 19 -0.2 24 5.2 23 11.0 18 11.0 14 12.6 16 3.0 29 0.8 26 -6.0 30 -5.6 2 -11.4 2000 -11.4 19 -13.4 9 -6.0 16 3.0 1 6.0 11 6.2 14 12.0 26 13.0 11 9.4 27 3.8 16 -5.2 12 -4.0 31 -13.4 LOW. -24.0 15 -30.0 7 -21.5 3 -10.5 2 -1.5 1 0.0 9 2.0 22 2.0 13 -2.5 27 -8.0 29 -12.0 24 -20.2 27 -30.0 YEAR 1977 1974 1976 1976 1979 1961 1965 1965 1973 1961 1979 1990 1974 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 9 STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. ABSOLUTE OF MAXIMUM TEMPERATURE WITH DAY YEAR JAN. DAY FEB. DAY MAR. DAY APR. DAY MAY DAY JUNE DAY JULY DAY AUG. DAY SEP. DAY OCT. DAY NOV. DAY DEC. DAY ANNUAL 1961 14.0 20 13.5 13 20.0 25 28.5 28 32.5 27 36.0 5 36.5 27 33.5 31 34.0 1 23.5 1 20.5 1 ***** ** ***** 1962 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1963 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** 34.2 21 30.0 6 16.0 11 11.0 19 ***** 1964 11.0 6 11.0 24 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1965 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** 35.0 13 34.2 19 31.0 5 30.0 6 16.0 11 ***** ** ***** 1966 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** 35.0 19 30.0 25 24.0 15 15.5 13 8.0 8 ***** 1967 10.5 9 10.5 4 14.0 26 12.0 26 28.0 31 34.0 3 38.5 26 37.0 30 34.5 4 31.0 4 16.0 11 11.0 11 38.5 1968 10.0 20 15.0 26 15.0 21 30.0 2 25.0 6 34.0 23 29.0 23 30.0 15 ***** ** ***** ** ***** ** ***** ** ***** 1969 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** 28.0 10 30.0 6 20.0 3 18.0 24 ***** 1970 10.0 12 17.0 19 24.0 30 30.0 8 34.0 31 36.0 23 35.0 14 35.0 17 33.0 3 ***** ** 19.0 16 19.2 6 ***** 1971 9.2 14 17.0 23 26.0 14 26.0 24 32.0 26 33.0 2 38.0 10 35.0 6 32.0 1 32.0 15 19.0 4 20.0 8 38.0 1972 ***** ** ***** ** ***** ** 29.5 23 31.0 2 34.0 22 32.0 1 32.5 19 33.0 24 27.5 6 24.5 4 9.5 1 ***** 1973 10.5 16 19.0 19 22.5 21 28.0 27 29.5 30 33.5 12 34.5 29 34.0 3 31.5 9 28.5 25 ***** ** 16.0 29 ***** 1974 7.5 9 11.5 12 27.5 19 28.5 24 34.0 23 35.5 20 37.5 1 37.5 22 33.5 20 26.5 28 26.5 4 11.5 6 37.5 1975 11.5 9 13.0 10 24.5 24 31.5 16 34.0 31 38.5 29 39.5 20 41.5 10 32.0 18 32.0 1 20.0 23 16.5 13 41.5 1976 14.0 4 13.5 8 18.5 22 18.5 13 31.2 21 35.5 30 37.0 17 34.0 10 35.5 4 27.0 13 21.0 26 13.5 17 37.0 1977 9.8 20 15.5 16 29.8 21 30.0 15 29.2 15 38.4 22 36.0 9 38.5 17 32.8 27 30.5 5 16.2 11 17.8 6 38.5 1978 14.0 2 14.0 22 22.8 31 28.5 10 31.5 14 35.7 30 37.8 1 33.8 14 34.0 12 26.5 13 19.5 1 20.2 12 37.8 1979 17.0 4 19.5 15 20.5 19 29.5 9 29.5 22 32.8 24 37.0 9 34.8 17 36.2 9 30.3 15 25.8 3 15.5 1 37.0 1980 13.3 6 8.5 15 23.0 30 30.0 23 33.5 23 36.5 21 35.8 30 39.0 20 34.5 7 32.3 4 20.2 13 21.3 7 39.0 1981 14.2 18 16.7 9 24.2 21 27.2 26 29.7 15 32.5 4 37.2 12 34.3 8 36.0 14 23.7 12 24.2 13 18.5 17 37.2 1982 13.5 11 10.8 4 19.3 24 31.0 28 33.0 20 36.2 8 35.8 25 35.2 5 31.0 4 26.2 5 18.2 8 11.2 24 36.2 1983 14.0 2 14.5 21 18.5 5 26.5 20 30.8 6 35.8 22 40.0 27 39.6 15 33.5 25 29.5 3 23.5 21 17.0 1 40.0 1984 11.2 8 11.2 12 18.0 21 28.2 17 32.6 29 35.0 21 35.6 26 38.4 28 32.6 3 28.6 19 21.4 2 10.6 14 38.4 1985 11.8 29 19.0 15 21.6 20 30.4 24 32.4 17 38.0 26 37.2 5 31.8 7 33.2 2 32.4 1 23.4 4 18.8 1 38.0 1986 14.4 18 18.6 27 15.8 7 26.2 16 30.8 23 34.6 30 35.2 17 34.0 15 34.6 25 31.6 5 25.0 4 13.8 1 35.2 1987 16.4 26 19.0 4 19.6 9 27.2 26 34.2 24 34.0 18 36.4 8 35.2 15 35.8 6 26.6 2 25.4 7 19.4 20 36.4 1988 7.8 5 16.6 24 23.6 21 27.8 19 32.2 28 38.0 17 34.6 12 36.6 12 33.0 5 27.4 27 24.2 4 18.0 7 38.0 1989 9.4 2 8.4 22 21.8 26 26.2 28 32.8 31 35.8 24 38.0 8 35.6 10 34.6 2 31.0 8 21.0 30 20.6 1 38.0 1990 7.6 4 14.6 19 19.0 8 31.2 29 33.0 19 37.4 27 36.4 30 36.4 7 36.4 14 27.8 1 24.6 12 19.2 6 37.4 1991 9.4 14 18.0 27 18.4 31 27.4 25 30.6 30 32.6 12 37.0 7 36.0 6 34.6 21 25.4 26 22.4 5 16.8 10 37.0 1992 11.4 20 15.0 25 19.4 30 26.6 13 27.8 30 34.2 19 35.2 5 35.0 23 31.8 25 26.0 11 24.6 12 16.2 16 35.2 1993 12.4 27 12.6 28 19.8 30 29.8 20 30.6 27 36.2 17 36.6 3 33.6 28 33.6 13 31.0 1 19.8 11 16.4 23 36.6 1994 16.0 5 15.2 27 23.0 22 31.0 26 31.6 28 35.4 16 35.0 31 37.0 1 28.4 12 25.0 19 22.4 5 17.6 20 37.0 1995 15.4 17 15.0 4 22.0 25 29.6 4 33.0 7 38.0 30 40.6 16 38.2 12 33.6 20 30.0 4 25.0 11 13.8 31 40.6 1996 15.4 6 14.0 18 21.0 31 24.4 13 32.0 17 35.4 5 35.0 8 36.4 27 36.6 8 28.0 14 19.4 7 18.2 29 36.6 1997 16.0 9 17.0 22 22.0 24 27.8 28 33.0 29 34.4 14 38.8 15 37.6 14 38.0 2 31.6 3 20.6 4 14.6 10 38.8 1998 10.2 1 16.4 8 23.0 29 30.8 18 31.4 21 37.0 28 36.8 6 35.0 27 34.0 2 30.4 1 25.4 1 25.2 11 37.0 1999 15.0 16 20.0 27 19.4 26 25.6 14 32.8 31 36.6 29 35.4 4 37.4 29 35.2 13 30.2 12 17.6 25 16.4 29 37.4 2000 21.6 2 14.4 24 22.4 23 31.8 10 32.8 9 36.2 24 35.0 8 35.4 29 32.8 7 25.0 12 17.2 2 17.2 31 36.2 HIG. 21.6 2 20.0 27 29.8 21 31.8 10 34.2 24 38.5 29 40.6 16 41.5 10 38.0 2 32.4 1 26.5 4 25.2 11 41.5 YEAR 2000 1999 1977 2000 1987 1975 1995 1975 1997 1985 1974 1998 1975 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 10 STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. 24 HOUR MAXIMUM PRECIPITATION. YEAR JAN. DAY FEB. DAY MAR. DAY APR. DAY MAY DAY JUNE DAY JULY DAY AUG. DAY SEP. DAY OCT. DAY NOV. DAY DEC. DAY ANNUAL 1961 24.0 6 11.0 18 31.0 13 28.0 15 34.8 1 17.0 7 0.3 17 0.0 ** 0.0 ** 13.0 25 25.0 15 ***** ** ***** 1962 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1963 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** 8.0 10 15.0 17 7.3 12 15.5 25 ***** 1964 34.8 4 38.5 27 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1965 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** 8.0 15 0.0 ** 46.0 22 11.8 25 4.2 4 ***** ** ***** 1966 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** 0.0 ** 0.5 13 8.5 26 0.0 ** 2.0 12 ***** 1967 16.0 21 28.0 2 16.0 9 25.0 27 8.0 16 3.0 6 0.0 ** 0.0 ** 0.8 25 7.0 23 8.0 12 7.0 19 28.0 1968 4.5 23 1.9 23 4.0 24 3.2 25 3.8 22 3.6 7 0.0 ** 0.0 ** ***** ** ***** ** ***** ** ***** ** ***** 1969 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** 0.0 ** 5.0 28 12.0 3 14.0 3 ***** 1970 9.0 28 1.0 24 16.0 5 2.5 10 0.5 6 0.0 ** 0.0 ** 0.0 ** 0.0 ** ***** ** 10.0 14 20.0 16 ***** 1971 7.0 16 28.0 14 15.0 22 15.0 27 0.0 ** 7.3 20 0.0 ** 0.0 ** 0.0 ** 0.0 ** 10.3 20 8.0 16 28.0 1972 ***** ** ***** ** ***** ** 13.4 25 19.6 21 7.8 10 0.0 ** 2.5 29 5.5 18 11.5 8 6.5 6 16.0 2 ***** 1973 6.0 3 21.2 6 19.5 23 32.8 13 18.5 5 0.0 ** 0.0 ** 0.0 ** 2.5 26 0.0 ** ***** ** 6.5 13 ***** 1974 25.0 25 8.0 27 14.0 5 11.0 11 6.0 7 7.0 9 1.5 20 5.5 5 0.0 ** 0.0 ** 4.5 8 4.0 27 25.0 1975 4.0 25 5.0 28 7.5 29 8.0 24 16.0 15 0.0 ** 0.0 ** 0.0 ** 3.5 24 13.5 16 13.5 29 3.0 19 16.0 1976 12.5 20 27.0 11 5.5 22 56.0 22 12.0 8 7.5 6 0.0 ** 0.0 ** 0.0 ** 16.0 30 26.0 29 21.0 31 56.0 1977 18.2 21 10.0 8 10.6 5 3.0 11 25.5 25 8.8 2 0.0 ** 0.0 ** 0.0 ** 25.0 22 16.2 14 13.0 8 25.5 1978 6.0 21 36.0 25 11.8 7 19.3 15 27.1 2 12.5 2 0.0 ** 0.0 ** 3.4 14 0.7 22 15.0 19 16.3 17 36.0 1979 19.0 11 14.5 9 22.3 28 27.8 17 7.1 7 4.5 4 0.0 ** 8.0 19 3.0 14 3.5 28 7.3 5 6.7 9 27.8 1980 12.0 14 18.7 12 13.9 16 16.2 10 6.0 11 8.0 1 1.3 17 0.0 ** 7.8 23 21.8 21 11.0 11 6.5 19 21.8 1981 8.0 2 15.2 22 28.1 28 34.5 29 37.1 3 3.0 5 6.2 21 0.0 ** 28.6 23 5.0 17 15.1 23 6.4 30 37.1 1982 15.0 29 13.7 18 22.0 15 7.2 22 15.0 22 10.2 26 0.0 ** 0.7 10 1.0 13 11.3 6 10.2 28 2.5 7 22.0 1983 12.5 25 3.5 28 26.1 24 13.2 5 5.2 7 4.2 21 8.0 18 2.5 7 6.8 15 0.0 ** 5.9 16 12.7 15 26.1 1984 11.3 30 6.0 14 18.2 27 29.0 26 14.2 2 0.3 1 0.0 ** 0.0 ** 0.0 ** 20.9 20 19.0 16 10.0 7 29.0 1985 16.0 16 10.0 2 6.0 24 13.4 4 3.0 21 10.0 22 0.0 ** 10.0 18 0.0 ** 2.2 12 1.0 15 15.0 4 16.0 1986 9.0 21 17.0 11 13.0 8 19.0 21 5.0 5 4.0 3 2.0 21 8.0 5 1.0 18 1.0 6 5.0 21 23.0 2 23.0 1987 6.0 12 9.0 21 18.0 29 9.0 19 22.0 6 0.3 5 12.0 4 0.0 ** 9.0 20 22.0 9 4.0 8 19.0 28 22.0 1988 22.0 19 23.0 25 20.0 5 15.3 28 7.0 3 0.0 ** 7.0 27 0.5 21 3.0 3 1.0 18 17.0 15 16.0 28 23.0 1989 11.6 4 14.0 23 16.0 28 11.0 30 1.0 15 0.4 8 0.7 5 0.0 ** 0.4 20 0.4 23 6.0 16 16.0 16 16.0 1990 13.0 7 22.0 16 7.0 16 8.3 6 4.0 14 0.4 12 0.9 7 0.0 ** 0.0 ** 10.0 30 11.3 14 8.2 25 22.0 1991 11.0 15 13.0 22 26.0 7 17.0 13 18.0 11 0.8 6 2.0 14 0.0 ** 10.0 27 1.7 17 8.0 7 14.0 13 26.0 1992 16.0 17 10.0 11 13.0 10 34.0 19 14.9 13 7.3 7 0.1 8 2.2 12 1.0 18 7.8 7 1.8 26 14.0 28 34.0 1993 4.0 31 23.6 5 12.1 9 16.0 13 36.8 8 4.4 1 0.2 8 0.3 23 1.0 8 2.7 30 12.0 29 9.0 6 36.8 1994 8.6 6 7.0 9 17.8 13 12.0 18 6.0 6 1.0 15 0.6 13 0.0 ** 0.0 ** 19.6 23 13.1 18 13.0 1 19.6 1995 21.0 18 17.0 24 23.0 18 6.0 18 3.0 28 5.0 8 2.0 5 0.0 ** 5.0 22 16.0 17 7.0 26 2.0 5 23.0 1996 4.0 9 18.1 3 13.0 5 15.0 29 7.0 1 1.7 26 2.0 13 0.3 14 10.0 24 4.0 15 28.0 12 9.0 15 28.0 1997 13.0 28 7.3 1 18.2 14 16.0 29 9.0 5 18.0 20 0.3 4 0.0 ** 0.9 15 7.0 24 22.9 1 4.3 17 22.9 1998 14.0 10 22.0 9 13.0 2 25.7 6 17.3 30 4.0 4 2.0 24 0.9 2 1.3 11 9.0 25 0.0 ** 12.0 2 25.7 1999 22.0 1 13.5 21 20.0 2 10.0 22 8.8 11 0.0 ** 4.8 28 1.1 31 3.0 28 8.0 25 19.2 2 20.0 17 22.0 2000 26.0 30 15.0 8 14.0 3 1.0 23 4.0 22 17.0 13 0.6 9 0.0 ** 3.0 24 17.0 15 19.0 6 16.0 16 26.0 HIG. 34.8 4 38.5 27 31.0 13 56.0 22 37.1 3 18.0 20 12.0 4 10.0 18 46.0 22 25.0 22 28.0 12 23.0 2 56.0 YEAR 1964 1964 1961 1976 1981 1997 1987 1985 1965 1977 1996 1986 1976 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 11 STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MONTHLY TOTAL PRECIPITATION WITH SEASONAL PERCENT. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL SEASONAL-PERCENT ----------------------- 1961 91.0 28.0 73.2 93.0 45.4 17.0 0.3 0.0 0.0 20.0 81.0 ****** ****** 42.8 34.6 0.1 22.5 1962 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1963 ****** ****** ****** ****** ****** ****** ****** ****** 8.0 27.0 27.6 73.5 ****** ***** ***** 5.9 94.1 1964 122.8 97.0 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 100.0 ***** ***** ***** 1965 ****** ****** ****** ****** ****** ****** 19.8 0.0 71.5 56.9 15.9 ****** ****** ***** ***** 55.6 44.4 1966 ****** ****** ****** ****** ****** ****** ****** 0.0 1.1 29.0 0.0 3.4 ****** ***** ***** 3.3 96.7 1967 38.0 76.0 59.0 93.0 23.5 3.0 0.0 0.0 1.6 30.0 21.0 34.0 379.1 45.6 31.5 0.4 22.4 1968 10.6 7.1 18.5 7.2 8.7 7.2 0.0 0.0 ****** ****** ****** ****** ****** 61.0 39.0 0.0 ***** 1969 ****** ****** ****** ****** ****** ****** ****** ****** 0.0 8.5 28.5 28.0 ****** ***** ***** 0.0 100.0 1970 28.0 1.5 41.0 9.5 0.5 0.0 0.0 0.0 0.0 ****** 14.2 27.0 ****** 57.9 8.2 0.0 33.9 1971 11.6 49.3 44.3 38.5 0.0 7.3 0.0 0.0 0.0 0.0 17.3 20.0 188.3 55.9 24.3 0.0 19.8 1972 ****** ****** ****** 45.4 71.3 13.8 0.0 4.0 6.5 21.6 6.5 61.9 ****** ***** 56.5 4.5 39.0 1973 9.5 53.9 66.2 66.7 45.5 0.0 0.0 0.0 2.5 0.0 ****** 19.0 ****** 49.2 42.6 0.9 7.2 1974 51.0 18.0 46.0 40.5 6.0 21.0 1.5 5.5 0.0 0.0 6.0 12.5 208.0 55.3 32.5 3.4 8.9 1975 16.0 28.0 27.0 28.0 30.5 0.0 0.0 0.0 3.5 22.5 31.0 12.0 198.5 35.8 29.5 1.8 33.0 1976 37.5 46.5 22.5 66.5 27.4 10.7 0.0 0.0 0.0 17.7 32.0 35.2 296.0 36.0 35.3 0.0 28.7 1977 50.4 15.0 34.9 9.8 97.3 16.8 0.0 0.0 0.0 63.6 45.1 32.2 365.1 27.5 33.9 0.0 38.6 1978 17.6 93.0 20.0 60.1 81.8 13.0 0.0 0.0 3.4 1.1 38.4 31.1 359.5 36.3 43.1 0.9 19.6 1979 55.9 54.4 77.8 40.7 23.6 11.2 0.0 8.0 3.0 4.8 7.3 21.8 308.5 61.0 24.5 3.6 11.0 1980 46.3 55.6 55.0 26.3 11.3 8.0 1.3 0.0 7.8 40.4 20.5 12.8 285.3 55.0 16.0 3.2 25.8 1981 26.1 31.8 83.7 109.6 69.0 6.1 8.0 0.0 33.6 10.8 19.4 26.8 424.9 33.3 43.5 9.8 13.4 1982 44.9 55.9 87.4 21.4 55.8 14.0 0.0 0.7 1.0 49.6 51.4 9.4 391.5 48.1 23.3 0.4 28.2 1983 36.8 8.0 63.9 52.0 15.7 4.6 8.0 2.5 9.3 0.0 13.2 40.5 254.5 42.7 28.4 7.8 21.1 1984 27.0 14.8 62.6 90.5 47.9 0.5 0.0 0.0 0.0 30.9 37.5 30.0 341.7 30.6 40.6 0.0 28.8 1985 40.5 56.0 27.5 30.4 9.0 11.0 0.0 10.4 0.0 6.3 1.5 54.8 247.4 50.1 20.4 4.2 25.3 1986 21.0 39.2 38.2 49.2 14.8 4.7 2.0 10.3 1.2 2.2 7.7 68.1 258.6 38.1 26.6 5.2 30.2 1987 16.2 28.1 90.6 30.7 25.1 0.3 14.4 0.0 13.0 50.1 10.2 25.7 304.4 44.3 18.4 9.0 28.3 1988 54.6 75.1 59.8 83.1 8.0 0.0 11.2 0.8 3.6 1.3 20.0 38.3 355.8 53.3 25.6 4.4 16.8 1989 42.6 30.3 51.0 15.0 1.0 0.4 0.7 0.0 0.4 0.7 16.1 45.3 203.5 60.9 8.1 0.5 30.5 1990 32.9 56.9 24.2 51.0 5.7 0.8 0.9 0.0 0.0 13.4 14.4 36.3 236.5 48.2 24.3 0.4 27.1 1991 41.8 44.2 94.4 42.9 61.9 0.8 3.7 0.0 10.1 3.3 13.2 27.6 343.9 52.5 30.7 4.0 12.8 1992 64.5 33.8 74.7 89.2 57.6 21.7 0.1 2.5 1.0 11.8 1.8 49.2 407.9 42.4 41.3 0.9 15.4 1993 14.0 73.9 55.2 52.2 56.5 13.9 0.2 0.3 2.0 5.5 40.0 12.6 326.3 43.9 37.6 0.8 17.8 1994 41.8 26.3 48.3 37.7 9.7 2.3 0.6 0.0 0.0 51.8 20.7 25.0 264.2 44.1 18.8 0.2 36.9 1995 37.0 37.6 37.3 40.0 6.2 6.8 2.0 0.0 13.3 20.7 8.1 4.8 213.8 52.3 24.8 7.2 15.7 1996 9.1 50.8 65.2 43.7 28.5 1.7 2.0 0.3 10.0 12.4 28.4 14.4 266.5 46.9 27.7 4.6 20.7 1997 32.2 21.0 73.5 32.7 51.9 70.2 0.3 0.0 0.9 26.7 39.7 11.1 360.2 35.2 43.0 0.3 21.5 1998 56.3 95.4 44.9 77.4 58.9 5.4 2.2 1.5 1.3 13.0 0.0 17.0 373.3 52.7 38.0 1.3 8.0 1999 66.5 43.4 53.2 41.0 21.8 0.0 16.4 1.1 3.4 11.8 64.5 28.0 351.1 46.5 17.9 6.0 29.7 2000 60.0 52.1 33.4 2.6 4.1 21.0 0.6 0.0 4.2 20.4 46.3 26.7 271.4 53.6 10.2 1.8 34.4 MEAN 39.8 44.1 53.2 47.6 31.8 9.3 2.7 1.3 5.9 19.1 23.5 29.0 307.3 44.6 28.9 3.2 23.3 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 12 STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. NO. OF DAYS WITH PRECIPITATION YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 13 10 12 10 5 1 1 0 0 2 5 *** *** 1962 *** *** *** *** *** *** *** *** *** *** *** *** *** 1963 *** *** *** *** *** *** *** *** 1 2 6 8 *** 1964 8 3 *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** 5 0 4 9 7 *** *** 1966 *** *** *** *** *** *** *** 0 3 9 0 4 *** 1967 4 11 8 17 7 1 0 0 3 7 4 8 70 1968 5 6 10 8 7 3 0 0 *** *** *** *** *** 1969 *** *** *** *** *** *** *** *** 0 2 5 4 *** 1970 4 2 9 4 1 0 0 0 0 *** 4 3 *** 1971 3 4 5 5 0 1 0 0 0 0 2 3 23 1972 *** *** *** 7 9 4 0 2 2 3 1 8 *** 1973 3 5 8 8 5 0 0 0 1 0 *** 6 *** 1974 6 8 11 10 1 6 1 1 0 0 2 5 51 1975 8 11 7 5 3 0 0 0 1 4 6 5 50 1976 5 7 7 4 12 3 0 0 0 3 2 8 51 1977 14 2 6 5 12 2 0 1 0 9 9 8 68 1978 5 9 6 11 14 2 0 0 1 2 9 6 65 1979 9 15 15 6 9 3 0 1 1 3 1 9 72 1980 7 7 15 7 3 1 1 0 1 9 5 5 61 1981 9 9 11 17 8 4 3 0 2 4 4 8 79 1982 11 12 10 5 14 3 0 1 1 17 13 8 95 1983 9 4 8 12 5 2 1 1 3 0 5 10 60 1984 9 14 14 8 10 2 0 0 0 2 9 9 77 1985 8 12 12 5 6 2 0 2 0 7 2 11 67 1986 7 8 13 12 8 3 1 3 2 3 4 10 74 1987 5 9 19 11 7 1 3 0 2 6 3 4 70 1988 12 11 11 15 5 0 5 2 4 2 4 5 76 1989 13 10 6 6 1 1 1 0 1 2 5 9 55 1990 17 11 7 14 4 2 1 0 0 6 3 9 74 1991 13 14 16 11 14 1 3 0 2 5 6 8 93 1992 13 10 19 14 13 9 1 3 1 3 1 8 95 1993 9 12 13 13 14 4 1 1 2 3 14 7 93 1994 12 11 13 8 8 3 1 0 0 6 8 9 79 1995 8 8 9 15 6 3 1 0 5 2 3 6 66 1996 6 10 18 14 12 1 1 1 1 7 3 5 79 1997 7 9 13 10 12 11 1 0 1 8 9 7 88 1998 15 13 9 8 11 3 2 3 1 3 0 3 71 1999 12 8 12 12 6 0 7 1 2 4 16 2 82 2000 8 8 11 6 2 2 1 0 3 3 8 6 58 MEAN 9 9 11 10 7 2 1 1 1 4 5 7 67 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 13 STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. NO. OF DAYS PRECIPITATION EQUAL OR MORE THAN 1 MM. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 13 7 12 9 3 1 0 0 0 2 5 *** *** 1962 *** *** *** *** *** *** *** *** *** *** *** *** *** 1963 *** *** *** *** *** *** *** *** 1 2 6 8 *** 1964 8 3 *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** 5 0 4 9 7 *** *** 1966 *** *** *** *** *** *** *** 0 0 8 0 1 *** 1967 4 11 8 17 7 1 0 0 0 7 4 8 67 1968 3 5 7 3 2 3 0 0 *** *** *** *** *** 1969 *** *** *** *** *** *** *** *** 0 2 5 4 *** 1970 4 1 7 4 0 0 0 0 0 *** 4 3 *** 1971 3 4 5 5 0 1 0 0 0 0 2 3 23 1972 *** *** *** 6 9 4 0 2 2 3 1 7 *** 1973 3 5 8 8 5 0 0 0 1 0 *** 5 *** 1974 5 4 11 10 1 5 1 1 0 0 2 4 44 1975 8 10 7 5 2 0 0 0 1 3 5 5 46 1976 5 7 7 4 9 2 0 0 0 2 2 4 42 1977 9 2 6 5 11 2 0 0 0 7 6 7 55 1978 5 8 5 7 12 1 0 0 1 0 4 4 47 1979 8 11 12 5 6 3 0 1 1 2 1 7 57 1980 7 7 12 4 3 1 1 0 1 6 5 3 50 1981 8 5 11 14 8 3 2 0 2 3 2 7 65 1982 8 8 10 5 9 2 0 0 1 13 13 5 74 1983 7 3 7 9 5 1 1 1 2 0 3 6 45 1984 4 4 7 7 7 0 0 0 0 2 5 6 42 1985 7 12 8 3 4 2 0 1 0 4 1 9 51 1986 3 5 7 8 4 1 1 2 1 2 2 8 44 1987 3 5 14 8 2 0 2 0 2 5 3 3 47 1988 9 8 8 12 1 0 2 0 1 1 2 4 48 1989 8 7 6 4 1 0 0 0 0 0 3 7 36 1990 8 9 4 13 2 0 0 0 0 3 2 8 49 1991 7 8 12 7 9 0 2 0 1 1 3 3 53 1992 8 8 9 13 10 5 0 1 1 3 1 7 66 1993 6 9 10 10 8 4 0 0 2 2 7 2 60 1994 8 8 9 5 2 1 0 0 0 5 4 6 48 1995 6 6 7 11 2 2 1 0 4 2 2 2 45 1996 3 7 13 5 7 1 1 0 1 5 1 3 47 1997 4 4 10 5 11 9 0 0 0 6 5 4 58 1998 11 11 7 7 6 1 1 0 1 3 0 2 50 1999 7 6 7 10 4 0 6 1 1 3 12 2 59 2000 6 8 5 1 1 2 0 0 2 2 5 4 36 MEAN 6 7 8 7 5 2 1 0 1 3 4 5 49 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 14 STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. NO. OF DAYS PRECIPITATION EQUAL OR MORE THAN 10 MM. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 3 1 1 4 1 1 0 0 0 1 4 *** *** 1962 *** *** *** *** *** *** *** *** *** *** *** *** *** 1963 *** *** *** *** *** *** *** *** 0 2 0 4 *** 1964 4 3 *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** 0 0 2 1 0 *** *** 1966 *** *** *** *** *** *** *** 0 0 0 0 0 *** 1967 2 2 2 1 0 0 0 0 0 0 0 0 7 1968 0 0 0 0 0 0 0 0 *** *** *** *** *** 1969 *** *** *** *** *** *** *** *** 0 0 1 1 *** 1970 0 0 1 0 0 0 0 0 0 *** 1 1 *** 1971 0 1 2 2 0 0 0 0 0 0 1 0 6 1972 *** *** *** 2 3 0 0 0 0 1 0 2 *** 1973 0 2 3 2 2 0 0 0 0 0 *** 0 *** 1974 2 0 1 1 0 0 0 0 0 0 0 0 4 1975 0 0 0 0 2 0 0 0 0 1 1 0 4 1976 1 1 0 1 1 0 0 0 0 1 1 1 7 1977 2 1 1 0 4 0 0 0 0 2 2 1 13 1978 0 4 1 2 3 1 0 0 0 0 2 2 15 1979 2 2 2 1 0 0 0 0 0 0 0 0 7 1980 1 2 1 1 0 0 0 0 0 2 1 0 8 1981 0 1 3 4 1 0 0 0 1 0 1 0 11 1982 2 1 5 0 2 1 0 0 0 1 1 0 13 1983 1 0 2 1 0 0 0 0 0 0 0 1 5 1984 1 0 2 4 2 0 0 0 0 2 1 1 13 1985 2 1 0 1 0 1 0 1 0 0 0 2 8 1986 0 2 1 1 0 0 0 0 0 0 0 2 6 1987 0 0 2 0 1 0 1 0 0 2 0 1 7 1988 1 3 2 4 0 0 0 0 0 0 1 1 12 1989 1 1 2 1 0 0 0 0 0 0 0 2 7 1990 1 2 0 0 0 0 0 0 0 1 1 0 5 1991 2 3 3 1 3 0 0 0 1 0 0 1 14 1992 2 2 3 2 2 0 0 0 0 0 0 3 14 1993 0 3 2 1 1 0 0 0 0 0 2 0 9 1994 0 0 2 2 0 0 0 0 0 3 1 1 9 1995 1 1 1 0 0 0 0 0 0 1 0 0 4 1996 0 2 1 2 0 0 0 0 1 0 1 0 7 1997 1 0 4 1 0 4 0 0 0 0 1 0 11 1998 1 5 1 3 3 0 0 0 0 0 0 1 14 1999 2 1 1 1 0 0 0 0 0 0 3 1 9 2000 2 3 1 0 0 1 0 0 0 1 3 1 12 MEAN 1 1 2 1 1 0 0 0 0 1 1 1 9 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 15 STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 77 82 81 77 69 59 62 69 65 65 70 *** *** 1962 *** *** *** *** *** *** *** *** *** *** *** *** *** 1963 *** *** *** *** *** *** *** *** 63 62 63 70 *** 1964 65 67 *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** 61 64 72 62 66 *** *** 1966 *** *** *** *** *** *** *** 62 49 51 39 55 *** 1967 68 61 62 54 48 57 23 42 54 63 67 52 54 1968 58 59 54 61 51 50 50 50 *** *** *** *** *** 1969 *** *** *** *** *** *** *** *** 66 60 68 78 *** 1970 71 78 78 67 66 55 59 66 60 *** 56 68 *** 1971 76 78 74 76 47 39 35 30 33 62 75 77 59 1972 *** *** *** 72 77 66 50 53 62 68 80 81 *** 1973 80 85 84 84 80 69 72 66 76 68 *** 69 *** 1974 61 58 78 83 72 67 72 71 79 79 77 75 73 1975 72 76 76 76 69 52 60 78 78 69 68 68 70 1976 65 48 57 64 79 62 59 44 54 74 70 85 63 1977 80 80 79 74 71 62 55 56 58 76 91 87 72 1978 85 87 86 82 79 71 57 56 57 73 88 85 76 1979 *** 88 87 80 68 67 54 50 63 71 76 84 *** 1980 83 84 91 76 71 58 50 58 63 80 89 88 74 1981 87 86 89 85 80 66 64 59 64 77 76 86 77 1982 82 80 89 77 72 62 54 57 61 85 90 86 75 1983 83 84 86 83 71 64 58 64 65 65 76 86 74 1984 88 85 90 81 74 64 55 63 60 76 86 85 76 1985 83 77 80 76 65 57 65 63 55 71 76 85 71 1986 82 88 88 76 68 57 55 55 60 76 77 88 73 1987 82 86 88 81 70 51 66 62 68 78 82 77 74 1988 85 84 83 83 75 53 62 63 71 65 77 82 74 1989 83 79 82 70 68 53 58 56 57 63 78 84 69 1990 87 88 82 82 64 55 56 60 51 71 75 79 71 1991 84 86 89 79 78 64 54 52 66 68 80 83 74 1992 85 84 85 82 81 72 60 62 59 69 66 86 74 1993 77 85 84 76 75 68 62 60 64 64 88 86 74 1994 86 87 87 77 62 64 59 61 51 82 85 83 74 1995 87 91 84 75 53 55 52 48 55 76 64 83 69 1996 80 79 88 76 65 59 55 41 56 70 78 74 68 1997 81 85 86 75 73 67 53 49 60 67 87 87 73 1998 88 88 84 78 72 60 58 61 59 70 77 84 73 1999 87 79 85 79 70 55 62 46 63 68 88 85 72 2000 84 87 80 72 67 54 47 47 63 81 85 86 71 MEAN 79 80 82 76 69 60 56 57 61 70 76 80 71 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 16 STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 75 72 71 54 35 28 27 31 38 55 55 *** *** 1962 *** *** *** *** *** *** *** *** *** *** *** *** *** 1963 *** *** *** *** *** *** *** *** 36 45 57 67 *** 1964 71 63 *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** 35 42 68 45 56 *** *** 1966 *** *** *** *** *** *** *** 35 48 50 39 58 *** 1967 64 57 59 51 43 37 17 30 34 46 56 56 46 1968 59 56 55 46 50 50 45 48 *** *** *** *** *** 1969 *** *** *** *** *** *** *** *** 41 55 61 62 *** 1970 70 61 60 42 32 37 38 45 39 *** 40 61 *** 1971 78 81 62 57 29 29 29 28 25 31 43 61 46 1972 *** *** *** 45 50 38 27 28 29 33 44 78 *** 1973 77 62 68 55 53 38 39 42 48 36 *** 70 *** 1974 78 76 84 86 57 39 46 56 71 83 71 67 68 1975 75 73 69 44 40 31 34 42 51 43 53 64 52 1976 57 54 55 56 48 31 28 17 25 47 35 68 43 1977 77 62 41 32 40 27 23 27 29 49 63 67 45 1978 57 75 59 46 49 33 23 22 24 36 72 67 47 1979 72 75 65 45 35 29 20 21 29 38 36 62 44 1980 71 77 70 41 42 29 20 28 32 49 55 61 48 1981 64 60 59 60 51 34 33 27 28 43 45 61 47 1982 72 73 68 39 41 32 22 27 27 55 68 63 49 1983 69 54 54 50 41 30 24 30 32 28 40 65 43 1984 62 67 68 49 40 30 22 27 28 40 57 74 47 1985 64 49 51 44 30 25 28 27 22 36 46 67 41 1986 57 62 60 47 35 26 24 22 24 36 46 66 42 1987 53 59 65 47 34 26 35 29 37 52 52 48 45 1988 72 66 50 50 42 23 30 28 35 36 39 51 44 1989 63 60 53 34 34 24 24 27 29 30 47 65 41 1990 72 69 47 48 31 23 26 26 23 34 38 55 41 1991 70 61 70 43 48 32 29 21 33 35 46 54 45 1992 63 58 62 56 54 38 26 29 24 32 34 68 45 1993 56 67 55 45 46 35 27 32 30 33 63 62 46 1994 67 62 56 40 29 30 26 24 21 46 54 54 42 1995 56 58 49 43 25 26 22 20 24 33 29 52 36 1996 51 62 68 48 37 26 21 17 27 35 44 42 40 1997 54 58 62 41 39 31 23 19 28 33 54 58 42 1998 70 70 54 43 43 26 27 29 27 34 44 53 43 1999 66 49 55 44 40 25 29 18 30 37 63 52 42 2000 58 66 49 36 35 27 21 17 26 47 53 62 41 MEAN 66 64 60 47 41 31 28 29 33 42 50 61 46 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 17 STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 79 85 83 71 59 43 41 43 56 60 64 *** *** 1962 *** *** *** *** *** *** *** *** *** *** *** *** *** 1963 *** *** *** *** *** *** *** *** 40 44 61 70 *** 1964 64 70 *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** 35 41 73 42 61 *** *** 1966 *** *** *** *** *** *** *** 39 54 50 37 61 *** 1967 67 60 60 53 45 44 21 35 40 45 61 55 49 1968 57 61 56 44 48 49 46 48 *** *** *** *** *** 1969 *** *** *** *** *** *** *** *** 49 63 68 70 *** 1970 56 62 75 57 59 51 56 63 51 *** 65 67 *** 1971 82 82 71 71 39 33 32 24 29 40 67 74 54 1972 *** *** *** 56 61 46 31 29 37 50 56 84 *** 1973 83 75 70 66 62 47 48 54 58 57 *** 74 *** 1974 68 64 80 84 66 50 58 65 76 87 80 75 71 1975 74 75 77 73 66 46 70 80 80 70 73 75 72 1976 71 52 57 63 62 43 32 21 31 57 57 83 52 1977 81 79 63 43 55 38 28 33 39 65 86 85 58 1978 78 85 72 65 68 44 30 27 34 54 84 82 60 1979 *** 84 78 64 51 36 26 26 40 54 58 82 *** 1980 83 87 83 62 53 36 26 31 42 68 78 80 61 1981 84 75 75 74 67 43 38 32 39 58 63 81 61 1982 83 83 83 56 56 38 30 33 34 74 87 86 62 1983 81 77 68 63 54 35 31 36 44 42 58 79 56 1984 77 77 72 54 50 32 23 29 31 51 71 85 54 1985 73 57 61 53 37 27 32 30 27 51 61 82 49 1986 77 80 72 58 41 29 27 27 34 51 64 80 53 1987 69 70 75 53 42 30 38 33 44 58 65 61 53 1988 84 80 61 59 49 28 35 32 42 44 56 65 53 1989 75 72 60 39 40 26 28 30 35 43 60 78 49 1990 78 75 57 57 39 28 29 31 27 50 57 70 50 1991 80 73 79 51 54 35 33 24 38 44 61 71 54 1992 75 72 75 64 62 47 29 34 32 45 47 78 55 1993 68 77 63 55 56 41 30 35 37 44 76 76 55 1994 78 72 65 48 38 36 31 29 26 60 67 66 51 1995 73 68 60 50 30 30 26 25 31 47 42 67 46 1996 64 72 73 59 43 29 23 21 34 46 61 58 49 1997 67 75 68 50 47 38 25 23 33 48 71 74 52 1998 81 79 62 49 47 27 29 31 33 45 56 67 51 1999 75 60 64 52 43 26 32 21 33 46 73 69 50 2000 72 75 59 40 36 30 24 21 35 55 67 73 49 MEAN 74 73 69 58 51 37 34 34 41 53 64 74 55 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 18 STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. NO. OF DAYS MINIMUM TEMPERATURE EQUAL OR LESS THAN -4 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 28 27 24 5 0 0 0 0 0 8 1 *** *** 1962 *** *** *** *** *** *** *** *** *** *** *** *** *** 1963 *** *** *** *** *** *** *** *** 0 0 6 25 *** 1964 29 16 *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** 0 0 0 0 6 *** *** 1966 *** *** *** *** *** *** *** 0 0 0 16 30 *** 1967 27 16 15 4 0 0 0 0 0 0 5 18 85 1968 22 7 2 0 0 0 0 0 *** *** *** *** *** 1969 *** *** *** *** *** *** *** *** 0 0 10 0 *** 1970 17 7 1 0 0 0 0 0 0 *** 0 16 *** 1971 25 15 0 0 0 0 0 0 0 0 3 10 53 1972 *** *** *** 0 0 0 0 0 0 0 2 19 *** 1973 30 12 6 2 0 0 0 0 0 0 *** 29 *** 1974 30 23 10 0 0 0 0 0 0 0 0 25 88 1975 27 19 9 0 0 0 0 0 0 0 3 5 63 1976 8 20 13 3 0 0 0 0 0 0 15 16 75 1977 27 16 0 0 0 0 0 0 0 0 0 11 54 1978 22 14 5 0 0 0 0 0 0 0 3 7 51 1979 17 8 8 0 0 0 0 0 0 0 10 7 50 1980 22 23 6 0 0 0 0 0 0 0 0 12 63 1981 14 6 1 2 0 0 0 0 0 0 0 4 27 1982 19 21 13 0 0 0 0 0 0 2 6 22 83 1983 19 16 6 0 0 0 0 0 0 0 3 13 57 1984 18 23 0 0 0 0 0 0 0 0 1 26 68 1985 19 11 11 0 0 0 0 0 0 0 0 8 49 1986 13 12 14 0 0 0 0 0 0 0 5 12 56 1987 6 5 1 0 0 0 0 0 0 0 1 9 22 1988 22 14 0 0 0 0 0 0 0 0 1 5 42 1989 27 24 0 0 0 0 0 0 0 0 1 0 52 1990 16 10 6 0 0 0 0 0 0 0 0 13 45 1991 18 8 2 0 0 0 0 0 0 0 3 9 40 1992 13 12 8 0 0 0 0 0 0 0 3 2 38 1993 21 9 5 0 0 0 0 0 0 0 4 5 44 1994 10 13 0 1 0 0 0 0 0 0 0 15 39 1995 7 9 4 0 0 0 0 0 0 1 3 14 38 1996 19 12 2 0 0 0 0 0 0 0 2 6 41 1997 9 16 4 0 0 0 0 0 0 0 0 3 32 1998 17 19 7 0 0 0 0 0 0 0 0 0 43 1999 10 0 3 0 0 0 0 0 0 0 1 3 17 2000 15 13 1 0 0 0 0 0 0 0 3 1 33 MEAN 19 14 6 1 0 0 0 0 0 0 3 11 54 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 19 STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. NO. OF DAYS MINIMUM TEMPERATURE EQUAL OR MORE THAN 21 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 0 0 0 0 0 0 0 0 0 0 0 *** *** 1962 *** *** *** *** *** *** *** *** *** *** *** *** *** 1963 *** *** *** *** *** *** *** *** 0 0 0 0 *** 1964 0 0 *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** 0 0 0 0 0 *** *** 1966 *** *** *** *** *** *** *** 0 0 0 0 0 *** 1967 0 0 0 0 0 0 0 0 0 0 0 0 0 1968 0 0 0 0 0 0 0 0 *** *** *** *** *** 1969 *** *** *** *** *** *** *** *** 0 0 0 0 *** 1970 0 0 0 0 0 0 0 1 3 *** 0 0 *** 1971 0 0 0 0 0 0 0 0 0 0 0 0 0 1972 *** *** *** 0 0 0 1 0 0 0 0 0 *** 1973 0 0 0 0 0 0 0 0 0 0 *** 0 *** 1974 0 0 0 0 0 0 0 0 0 0 0 0 0 1975 0 0 0 0 0 0 4 9 0 0 0 0 13 1976 0 0 0 0 0 0 0 0 0 0 0 0 0 1977 0 0 0 0 0 0 0 0 0 0 0 0 0 1978 0 0 0 0 0 0 1 0 0 0 0 0 1 1979 0 0 0 0 0 0 0 0 0 0 0 0 0 1980 0 0 0 0 0 0 0 0 0 0 0 0 0 1981 0 0 0 0 0 0 0 0 0 0 0 0 0 1982 0 0 0 0 0 0 0 0 0 0 0 0 0 1983 0 0 0 0 0 0 0 1 0 0 0 0 1 1984 0 0 0 0 0 0 0 0 0 0 0 0 0 1985 0 0 0 0 0 0 0 0 0 0 0 0 0 1986 0 0 0 0 0 0 0 0 0 0 0 0 0 1987 0 0 0 0 0 0 0 0 0 0 0 0 0 1988 0 0 0 0 0 0 1 0 0 0 0 0 1 1989 0 0 0 0 0 0 2 0 0 0 0 0 2 1990 0 0 0 0 0 0 0 0 0 0 0 0 0 1991 0 0 0 0 0 0 1 0 0 0 0 0 1 1992 0 0 0 0 0 0 0 0 0 0 0 0 0 1993 0 0 0 0 0 0 0 0 0 0 0 0 0 1994 0 0 0 0 0 1 1 0 0 0 0 0 2 1995 0 0 0 0 0 0 5 0 0 0 0 0 5 1996 0 0 0 0 0 0 0 0 0 0 0 0 0 1997 0 0 0 0 0 0 2 0 0 0 0 0 2 1998 0 0 0 0 0 0 4 0 0 0 0 0 4 1999 0 0 0 0 0 0 1 1 0 0 0 0 2 2000 0 0 0 0 0 1 1 0 0 0 0 0 2 MEAN 0 0 0 0 0 0 1 0 0 0 0 0 1 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 20 STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. NO. OF DAYS MAXIMUM TEMPERATURE EQUAL OR LESS THAN 0 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 4 1 0 0 0 0 0 0 0 0 0 *** *** 1962 *** *** *** *** *** *** *** *** *** *** *** *** *** 1963 *** *** *** *** *** *** *** *** 0 0 0 12 *** 1964 11 4 *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** 0 0 0 0 0 *** *** 1966 *** *** *** *** *** *** *** 0 0 0 0 18 *** 1967 14 3 5 1 0 0 0 0 0 0 0 4 27 1968 0 2 1 0 0 0 0 0 *** *** *** *** *** 1969 *** *** *** *** *** *** *** *** 0 0 2 0 *** 1970 5 0 0 0 0 0 0 0 0 *** 0 7 *** 1971 8 3 0 0 0 0 0 0 0 0 0 1 12 1972 *** *** *** 0 0 0 0 0 0 0 0 10 *** 1973 13 1 1 0 0 0 0 0 0 0 *** 2 *** 1974 1 9 0 0 0 0 0 0 0 0 0 0 10 1975 3 0 0 0 0 0 0 0 0 0 0 0 3 1976 0 14 6 1 0 0 0 0 0 0 1 5 27 1977 22 1 0 0 0 0 0 0 0 0 0 1 24 1978 2 3 0 0 0 0 0 0 0 0 0 1 6 1979 5 1 5 0 0 0 0 0 0 0 0 1 12 1980 7 6 0 0 0 0 0 0 0 0 0 1 14 1981 0 0 0 0 0 0 0 0 0 0 0 0 0 1982 6 7 0 0 0 0 0 0 0 0 0 2 15 1983 9 0 0 0 0 0 0 0 0 0 0 6 15 1984 2 12 0 0 0 0 0 0 0 0 0 11 25 1985 3 2 6 0 0 0 0 0 0 0 0 1 12 1986 3 4 2 0 0 0 0 0 0 0 0 3 12 1987 0 0 0 0 0 0 0 0 0 0 2 2 4 1988 5 7 0 0 0 0 0 0 0 0 0 1 13 1989 16 14 0 0 0 0 0 0 0 0 0 0 30 1990 9 5 1 0 0 0 0 0 0 0 0 8 23 1991 1 5 0 0 0 0 0 0 0 0 0 0 6 1992 8 2 3 0 0 0 0 0 0 0 0 0 13 1993 10 3 0 0 0 0 0 0 0 0 2 2 17 1994 0 5 0 0 0 0 0 0 0 0 0 4 9 1995 1 1 0 0 0 0 0 0 0 0 0 2 4 1996 9 3 0 0 0 0 0 0 0 0 0 0 12 1997 2 3 0 0 0 0 0 0 0 0 0 0 5 1998 5 9 3 0 0 0 0 0 0 0 0 0 17 1999 1 0 0 0 0 0 0 0 0 0 0 0 1 2000 3 2 0 0 0 0 0 0 0 0 0 0 5 MEAN 6 4 1 0 0 0 0 0 0 0 0 3 14 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 21 STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. NO. OF DAYS MAXIMUM TEMPERATURE EQUAL OR MORE THAN 30 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 0 0 0 0 5 16 28 15 3 0 0 *** *** 1962 *** *** *** *** *** *** *** *** *** *** *** *** *** 1963 *** *** *** *** *** *** *** *** 3 1 0 0 *** 1964 0 0 *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** 7 6 3 1 0 *** *** 1966 *** *** *** *** *** *** *** 6 2 0 0 0 *** 1967 0 0 0 0 0 7 17 10 3 1 0 0 38 1968 0 0 0 1 0 14 0 1 *** *** *** *** *** 1969 *** *** *** *** *** *** *** *** 0 2 0 0 *** 1970 0 0 0 1 5 10 20 20 11 *** 0 0 *** 1971 0 0 0 0 8 10 21 21 4 1 0 0 65 1972 *** *** *** 0 1 6 12 5 9 0 0 0 *** 1973 0 0 0 0 0 14 18 15 3 0 *** 0 *** 1974 0 0 0 0 10 21 23 16 5 0 0 0 75 1975 0 0 0 3 5 24 28 27 12 3 0 0 102 1976 0 0 0 0 1 12 25 25 13 0 0 0 76 1977 0 0 0 1 0 24 27 21 8 1 0 0 82 1978 0 0 0 0 1 13 22 16 11 0 0 0 63 1979 0 0 0 0 0 9 30 16 13 1 0 0 69 1980 0 0 0 1 9 15 31 24 11 3 0 0 94 1981 0 0 0 0 0 13 21 19 9 0 0 0 62 1982 0 0 0 2 7 16 29 14 1 0 0 0 69 1983 0 0 0 0 1 20 29 27 10 0 0 0 87 1984 0 0 0 0 2 14 31 25 4 0 0 0 76 1985 0 0 0 1 5 26 26 8 15 1 0 0 82 1986 0 0 0 0 3 12 28 18 6 2 0 0 69 1987 0 0 0 0 6 16 19 23 4 0 0 0 68 1988 0 0 0 0 1 17 26 16 6 0 0 0 66 1989 0 0 0 0 6 23 27 23 11 5 0 0 95 1990 0 0 0 2 4 22 24 21 15 0 0 0 88 1991 0 0 0 0 1 8 23 21 11 0 0 0 64 1992 0 0 0 0 0 11 27 8 1 0 0 0 47 1993 0 0 0 0 1 15 19 17 13 1 0 0 66 1994 0 0 0 2 3 13 25 28 0 0 0 0 71 1995 0 0 0 0 2 13 28 27 9 1 0 0 80 1996 0 0 0 0 5 12 27 19 15 0 0 0 78 1997 0 0 0 0 3 18 28 25 13 2 0 0 89 1998 0 0 0 1 2 12 25 23 9 2 0 0 74 1999 0 0 0 0 4 14 16 28 11 1 0 0 74 2000 0 0 0 4 14 17 22 23 17 0 0 0 97 MEAN 0 0 0 1 3 15 23 18 8 1 0 0 69 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 22 STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. NO. OF DAYS MAXIMUM TEMPERATURE EQUAL OR MORE THAN 40 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 0 0 0 0 0 0 0 0 0 0 0 *** *** 1962 *** *** *** *** *** *** *** *** *** *** *** *** *** 1963 *** *** *** *** *** *** *** *** 0 0 0 0 *** 1964 0 0 *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** 0 0 0 0 0 *** *** 1966 *** *** *** *** *** *** *** 0 0 0 0 0 *** 1967 0 0 0 0 0 0 0 0 0 0 0 0 0 1968 0 0 0 0 0 0 0 0 *** *** *** *** *** 1969 *** *** *** *** *** *** *** *** 0 0 0 0 *** 1970 0 0 0 0 0 0 0 0 0 *** 0 0 *** 1971 0 0 0 0 0 0 0 0 0 0 0 0 0 1972 *** *** *** 0 0 0 0 0 0 0 0 0 *** 1973 0 0 0 0 0 0 0 0 0 0 *** 0 *** 1974 0 0 0 0 0 0 0 0 0 0 0 0 0 1975 0 0 0 0 0 0 0 3 0 0 0 0 3 1976 0 0 0 0 0 0 0 0 0 0 0 0 0 1977 0 0 0 0 0 0 0 0 0 0 0 0 0 1978 0 0 0 0 0 0 0 0 0 0 0 0 0 1979 0 0 0 0 0 0 0 0 0 0 0 0 0 1980 0 0 0 0 0 0 0 0 0 0 0 0 0 1981 0 0 0 0 0 0 0 0 0 0 0 0 0 1982 0 0 0 0 0 0 0 0 0 0 0 0 0 1983 0 0 0 0 0 0 2 0 0 0 0 0 2 1984 0 0 0 0 0 0 0 0 0 0 0 0 0 1985 0 0 0 0 0 0 0 0 0 0 0 0 0 1986 0 0 0 0 0 0 0 0 0 0 0 0 0 1987 0 0 0 0 0 0 0 0 0 0 0 0 0 1988 0 0 0 0 0 0 0 0 0 0 0 0 0 1989 0 0 0 0 0 0 0 0 0 0 0 0 0 1990 0 0 0 0 0 0 0 0 0 0 0 0 0 1991 0 0 0 0 0 0 0 0 0 0 0 0 0 1992 0 0 0 0 0 0 0 0 0 0 0 0 0 1993 0 0 0 0 0 0 0 0 0 0 0 0 0 1994 0 0 0 0 0 0 0 0 0 0 0 0 0 1995 0 0 0 0 0 0 1 0 0 0 0 0 1 1996 0 0 0 0 0 0 0 0 0 0 0 0 0 1997 0 0 0 0 0 0 0 0 0 0 0 0 0 1998 0 0 0 0 0 0 0 0 0 0 0 0 0 1999 0 0 0 0 0 0 0 0 0 0 0 0 0 2000 0 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 0 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 23 STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. NO. OF DAYS MAXIMUM TEMPERATURE EQUAL OR MORE THAN 45 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 0 0 0 0 0 0 0 0 0 0 0 *** *** 1962 *** *** *** *** *** *** *** *** *** *** *** *** *** 1963 *** *** *** *** *** *** *** *** 0 0 0 0 *** 1964 0 0 *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** 0 0 0 0 0 *** *** 1966 *** *** *** *** *** *** *** 0 0 0 0 0 *** 1967 0 0 0 0 0 0 0 0 0 0 0 0 0 1968 0 0 0 0 0 0 0 0 *** *** *** *** *** 1969 *** *** *** *** *** *** *** *** 0 0 0 0 *** 1970 0 0 0 0 0 0 0 0 0 *** 0 0 *** 1971 0 0 0 0 0 0 0 0 0 0 0 0 0 1972 *** *** *** 0 0 0 0 0 0 0 0 0 *** 1973 0 0 0 0 0 0 0 0 0 0 *** 0 *** 1974 0 0 0 0 0 0 0 0 0 0 0 0 0 1975 0 0 0 0 0 0 0 0 0 0 0 0 0 1976 0 0 0 0 0 0 0 0 0 0 0 0 0 1977 0 0 0 0 0 0 0 0 0 0 0 0 0 1978 0 0 0 0 0 0 0 0 0 0 0 0 0 1979 0 0 0 0 0 0 0 0 0 0 0 0 0 1980 0 0 0 0 0 0 0 0 0 0 0 0 0 1981 0 0 0 0 0 0 0 0 0 0 0 0 0 1982 0 0 0 0 0 0 0 0 0 0 0 0 0 1983 0 0 0 0 0 0 0 0 0 0 0 0 0 1984 0 0 0 0 0 0 0 0 0 0 0 0 0 1985 0 0 0 0 0 0 0 0 0 0 0 0 0 1986 0 0 0 0 0 0 0 0 0 0 0 0 0 1987 0 0 0 0 0 0 0 0 0 0 0 0 0 1988 0 0 0 0 0 0 0 0 0 0 0 0 0 1989 0 0 0 0 0 0 0 0 0 0 0 0 0 1990 0 0 0 0 0 0 0 0 0 0 0 0 0 1991 0 0 0 0 0 0 0 0 0 0 0 0 0 1992 0 0 0 0 0 0 0 0 0 0 0 0 0 1993 0 0 0 0 0 0 0 0 0 0 0 0 0 1994 0 0 0 0 0 0 0 0 0 0 0 0 0 1995 0 0 0 0 0 0 0 0 0 0 0 0 0 1996 0 0 0 0 0 0 0 0 0 0 0 0 0 1997 0 0 0 0 0 0 0 0 0 0 0 0 0 1998 0 0 0 0 0 0 0 0 0 0 0 0 0 1999 0 0 0 0 0 0 0 0 0 0 0 0 0 2000 0 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 0 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 24 STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. NO. OF FREEZING DAYS , DATE OF START AND END FREEZING START END YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MO DAY MO DAY -------------- 1961 30 28 27 15 0 1 0 0 0 18 5 *** *** 10 11 6 9 1962 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1963 *** *** *** *** *** *** *** *** 0 0 17 30 *** 11 6 12 31 1964 31 25 *** *** *** *** *** *** *** *** *** *** *** 1 1 2 29 1965 *** *** *** *** *** *** 0 0 0 0 15 *** *** 11 6 11 29 1966 *** *** *** *** *** *** *** 0 0 0 25 31 *** 11 2 12 31 1967 31 24 21 5 0 0 0 0 0 0 15 28 124 11 8 4 6 1968 31 18 6 0 0 0 0 0 *** *** *** *** *** 1 1 3 26 1969 *** *** *** *** *** *** *** *** 0 0 17 16 *** 11 11 12 31 1970 25 14 15 2 0 0 0 0 0 *** 10 28 *** 11 13 4 28 1971 31 28 17 2 0 0 0 0 1 1 14 26 120 9 20 4 4 1972 *** *** *** 0 0 0 0 0 1 2 14 27 *** 9 19 12 31 1973 31 25 16 7 0 0 0 0 3 2 *** 31 *** 9 27 4 21 1974 31 28 16 7 0 0 0 0 0 8 15 28 133 10 17 4 13 1975 30 28 19 0 0 0 0 0 0 0 12 10 99 11 5 3 22 1976 23 25 26 14 0 0 0 0 0 1 23 27 139 10 31 4 22 1977 31 27 3 0 0 0 0 0 0 3 8 18 90 10 23 3 15 1978 30 23 16 1 0 0 0 0 0 0 16 16 102 11 3 4 12 1979 29 17 10 0 1 0 0 0 0 0 20 22 99 11 8 5 1 1980 29 29 14 0 0 0 0 0 0 2 3 29 106 10 22 3 19 1981 29 21 13 4 0 0 0 0 0 5 21 28 121 10 26 4 5 1982 30 24 24 1 0 0 0 0 0 5 21 31 136 10 25 4 1 1983 29 25 28 1 0 0 0 0 0 10 13 25 131 10 13 4 1 1984 30 28 8 0 0 0 0 0 0 6 5 31 108 10 21 3 17 1985 28 21 18 0 0 0 0 0 0 1 8 20 96 10 24 3 26 1986 28 24 25 1 0 0 0 0 0 2 15 24 119 10 17 4 1 1987 25 20 8 5 0 0 0 0 0 8 9 22 97 10 15 4 8 1988 31 24 4 2 0 0 0 0 0 0 9 15 85 11 15 4 3 1989 31 28 8 0 3 0 0 0 0 0 11 15 96 11 8 5 4 1990 28 24 11 0 0 0 0 0 0 2 8 24 97 10 17 3 29 1991 31 19 9 1 0 0 0 0 0 0 11 20 91 11 9 4 14 1992 26 24 23 1 0 0 0 0 0 3 11 18 106 10 17 4 20 1993 29 24 14 0 0 0 0 0 0 4 16 26 113 10 8 3 26 1994 26 27 6 5 0 0 0 0 0 0 0 23 87 12 5 4 9 1995 28 16 12 0 0 0 0 0 0 5 10 28 99 10 18 3 28 1996 26 23 8 3 0 0 0 0 0 1 19 15 95 10 3 4 7 1997 25 23 20 1 0 0 0 0 0 0 9 21 99 11 8 4 12 1998 29 25 11 0 0 0 0 0 0 2 1 8 76 10 10 3 17 1999 25 14 10 1 0 0 0 0 0 0 13 19 82 11 2 4 24 2000 26 24 14 0 0 0 0 0 0 0 15 16 95 11 8 3 18 MEAN 29 23 15 2 0 0 0 0 0 3 13 23 108 9 19 6 9 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 25 STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. AVERAGE OF DRY BULB TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 -0.3 0.3 4.5 11.1 19.7 23.1 25.4 23.4 19.7 10.6 9.2 ****** ****** 1962 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** 19.2 14.0 5.5 -1.6 ****** 1964 -4.7 1.3 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 ****** ****** ****** ****** ****** ****** 18.9 19.9 15.7 14.1 5.4 ****** ****** 1966 ****** ****** ****** ****** ****** ****** ****** 20.6 17.7 14.4 4.8 -3.4 ****** 1967 -1.8 1.7 3.1 4.7 13.4 21.0 22.1 19.8 16.4 12.2 5.4 1.1 9.9 1968 0.2 3.9 5.4 12.9 13.9 21.7 20.4 20.3 ****** ****** ****** ****** ****** 1969 ****** ****** ****** ****** ****** ****** ****** ****** 17.8 16.0 5.2 5.3 ****** 1970 -1.2 4.2 6.3 13.9 16.4 22.3 23.4 23.7 20.5 ****** 8.7 -1.5 ****** 1971 -3.0 1.3 8.6 12.3 21.4 23.4 26.1 24.6 20.2 13.0 8.8 3.1 13.3 1972 ****** ****** ****** 13.6 15.2 22.2 23.9 20.7 19.7 15.0 9.3 -2.9 ****** 1973 -4.5 3.5 5.7 12.5 16.2 22.9 24.2 24.1 18.2 16.5 ****** 0.2 ****** 1974 -3.7 -3.8 5.0 10.7 19.2 23.4 24.3 21.6 18.1 12.5 9.0 0.5 11.4 1975 -1.8 0.5 4.8 13.3 16.4 26.1 28.1 27.2 23.6 15.4 9.0 6.3 14.1 1976 4.1 -4.1 1.5 5.3 18.6 23.3 26.1 24.7 21.6 12.9 4.5 -0.1 11.5 1977 -7.3 0.7 10.9 15.1 18.0 25.5 26.4 24.4 20.5 12.6 6.9 2.2 13.0 1978 -0.0 0.3 5.6 13.2 16.1 21.7 25.0 23.2 21.4 14.2 3.1 4.2 12.3 1979 -1.3 1.5 5.2 14.2 15.5 21.8 26.9 23.0 20.7 16.5 7.4 2.8 12.9 1980 -2.2 -2.9 5.3 16.0 19.5 23.6 26.8 24.2 19.9 12.0 8.6 3.3 12.8 1981 1.5 3.4 8.2 11.6 16.7 21.5 25.1 23.9 19.3 11.7 7.9 3.2 12.8 1982 -1.9 -3.5 3.1 15.5 18.7 23.0 25.8 22.7 18.2 11.4 3.0 -0.6 11.3 1983 -1.5 2.3 4.1 12.1 19.4 24.4 28.0 25.1 19.8 12.4 9.5 1.0 13.0 1984 0.0 -3.5 7.0 13.5 16.3 22.5 26.1 25.5 19.0 11.5 8.0 -4.9 11.7 1985 -0.7 3.2 3.4 14.0 19.0 25.1 25.7 21.8 20.2 12.4 8.4 2.2 12.9 1986 0.5 1.8 1.9 11.7 19.4 22.7 25.3 22.7 19.6 15.2 6.5 1.5 12.4 1987 3.4 3.8 6.7 12.0 19.8 23.6 24.5 24.9 18.9 8.8 7.8 4.7 13.2 1988 -1.6 -0.1 7.5 13.3 17.9 24.6 25.5 23.2 19.3 13.3 9.2 4.7 13.1 1989 -4.0 -4.2 6.8 13.5 17.9 24.7 26.5 24.3 19.8 15.5 7.6 4.5 12.7 1990 -1.6 0.5 5.9 12.1 19.3 25.1 25.2 24.6 21.6 13.2 9.6 0.6 13.0 1991 -1.0 1.1 5.4 14.1 16.0 22.4 25.0 23.9 19.7 13.2 7.0 3.3 12.5 1992 -0.9 1.6 2.6 10.8 14.0 22.2 25.3 21.5 18.0 12.7 9.6 3.2 11.7 1993 -1.8 0.8 5.1 13.2 17.2 22.7 24.9 23.3 21.0 11.4 4.6 2.9 12.1 1994 1.3 0.4 7.7 12.9 19.4 23.2 25.4 25.2 16.8 11.9 10.1 1.6 13.0 1995 2.6 3.3 6.8 13.8 18.9 23.2 27.1 25.8 19.4 12.3 9.5 1.3 13.7 1996 -0.5 1.5 5.0 11.3 18.3 23.2 25.5 23.7 21.7 13.2 6.0 5.0 12.8 1997 2.2 0.1 4.5 13.5 17.7 23.8 26.9 25.2 20.4 15.9 7.0 3.6 13.4 1998 -0.7 -0.5 6.3 15.2 17.6 24.0 26.0 24.7 20.3 14.4 10.3 6.8 13.7 1999 1.6 6.4 6.5 11.9 17.7 23.9 24.1 25.7 19.9 14.6 5.8 4.9 13.6 2000 1.4 0.7 7.1 17.6 21.4 23.3 25.4 25.1 21.7 13.2 5.2 4.0 13.8 MEAN -0.9 0.8 5.6 12.7 17.7 23.3 25.2 23.6 19.6 13.3 7.3 2.1 12.5 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 26 STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. AVERAGE OF DEW POINT TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 -4.0 -3.1 0.8 4.4 8.8 8.6 10.7 10.3 9.1 2.7 1.9 ****** ****** 1962 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** 4.7 2.1 -2.4 -6.9 ****** 1964 -10.4 -4.5 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 ****** ****** ****** ****** ****** ****** 3.9 7.2 10.2 2.0 -2.2 ****** ****** 1966 ****** ****** ****** ****** ****** ****** ****** 6.6 7.0 4.1 -8.6 -11.1 ****** 1967 -7.5 -5.6 -4.0 -4.1 1.8 7.6 -3.1 2.3 2.8 0.9 -1.9 -7.5 -1.5 1968 -7.2 -3.9 -3.0 1.3 3.5 10.8 8.6 9.1 ****** ****** ****** ****** ****** 1969 ****** ****** ****** ****** ****** ****** ****** ****** 6.0 6.8 -1.9 -0.5 ****** 1970 -7.6 -1.9 0.5 3.8 4.8 9.1 11.3 14.1 8.6 ****** -1.1 -7.9 ****** 1971 -6.4 -1.9 2.0 5.7 5.3 5.4 7.5 4.0 0.8 0.0 0.9 -2.3 1.7 1972 ****** ****** ****** 4.5 6.9 10.3 7.1 4.1 5.2 3.3 0.8 -5.9 ****** 1973 -7.6 -1.0 0.9 6.0 8.9 11.3 12.9 13.5 9.9 5.6 ****** -4.8 ****** 1974 -8.7 -9.9 1.9 8.1 11.7 11.3 14.6 13.3 13.3 9.6 4.5 -4.1 5.5 1975 -6.0 -3.6 0.2 5.7 6.9 11.1 16.7 19.3 17.3 7.1 2.3 0.8 6.5 1976 -2.4 -14.6 -7.1 -2.0 10.5 9.3 9.6 2.7 4.0 3.9 -5.8 -3.7 0.4 1977 -10.2 -3.8 2.6 2.6 7.2 9.8 8.1 7.7 5.8 4.4 3.4 -1.3 3.0 1978 -4.9 -2.6 0.2 5.4 8.7 9.0 7.4 5.1 4.8 4.2 -0.1 0.3 3.1 1979 ****** -1.0 1.0 6.3 4.0 7.2 7.3 3.3 6.2 6.0 -2.0 -1.5 ****** 1980 -5.6 -5.5 2.0 7.2 9.3 8.2 6.9 7.8 6.0 4.8 3.6 -1.1 3.6 1981 -2.2 -1.5 3.3 6.4 9.7 8.8 10.8 8.0 4.9 3.1 -0.1 -1.0 4.2 1982 -5.2 -6.8 -0.3 5.9 8.6 8.8 7.4 6.5 3.0 5.6 -0.3 -4.2 2.4 1983 -5.1 -2.8 -1.7 4.8 9.1 9.6 10.3 10.0 6.4 -0.5 0.6 -3.1 3.1 1984 -4.0 -6.8 2.8 4.8 5.7 7.2 6.8 8.5 3.5 1.5 2.4 -7.7 2.0 1985 -5.2 -4.5 -3.4 4.1 4.6 7.2 9.8 5.7 1.6 1.6 0.2 -1.7 1.7 1986 -4.5 -2.2 -3.0 3.0 6.7 5.9 6.6 4.1 2.9 4.9 -1.1 -2.2 1.8 1987 -2.5 -1.6 2.2 3.3 7.2 6.0 10.8 9.3 6.7 1.1 1.1 -2.9 3.4 1988 -4.8 -4.1 0.4 5.5 7.6 5.9 9.7 7.5 7.2 1.3 -0.1 -2.0 2.8 1989 -8.5 -9.2 -0.4 1.0 5.2 6.2 8.8 7.5 4.4 1.9 -0.1 0.1 1.4 1990 -4.9 -3.4 -1.9 3.8 5.5 6.6 7.6 7.8 2.9 2.0 0.0 -5.6 1.7 1991 -4.7 -3.9 1.8 4.6 7.2 7.8 8.2 4.1 5.7 1.6 -0.4 -2.5 2.4 1992 -5.3 -3.4 -2.1 3.8 6.8 10.6 8.4 6.2 1.6 0.4 -2.2 -0.8 2.0 1993 -7.6 -3.3 -1.5 3.8 8.2 9.2 8.7 8.6 6.4 -1.1 0.1 -1.6 2.5 1994 -2.8 -4.3 1.6 2.5 4.6 8.4 8.4 7.8 -1.5 3.7 3.8 -4.3 2.3 1995 -2.6 -1.9 -0.6 3.4 1.5 5.3 7.3 5.2 1.0 1.0 -3.8 -4.7 0.9 1996 -6.8 -4.0 0.7 3.2 5.5 5.7 6.0 0.8 4.4 0.9 -1.9 -3.6 0.9 1997 -3.8 -4.6 -1.0 3.4 6.3 9.5 7.3 4.1 4.5 3.5 1.4 -1.4 2.4 1998 -4.0 -4.1 -0.4 5.2 7.0 6.8 8.9 8.4 4.3 2.3 1.6 0.5 3.0 1999 -2.5 -1.2 0.0 2.6 5.9 5.9 8.2 4.2 4.5 2.8 1.1 -1.1 2.5 2000 -4.0 -3.5 -0.7 5.4 8.0 5.8 5.1 3.1 5.8 4.6 -0.9 -0.8 2.3 MEAN -5.5 -4.1 -0.2 4.0 6.7 8.1 8.4 7.2 5.5 3.0 -0.2 -3.1 2.5 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 27 STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. AVERAGE OF MIXING RATIO IN G/KG YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 3.51 3.74 4.90 6.20 8.35 8.24 9.48 9.24 8.55 5.74 5.17 ****** ****** 1962 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** 6.75 5.62 3.99 2.93 ****** 1964 2.25 3.32 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 ****** ****** ****** ****** ****** ****** 6.43 7.98 9.62 5.58 3.99 ****** ****** 1966 ****** ****** ****** ****** ****** ****** ****** 7.70 7.87 6.16 2.50 2.07 ****** 1967 2.80 3.02 3.43 3.31 5.12 8.23 3.88 5.93 5.50 5.09 4.03 2.77 4.43 1968 2.72 3.55 3.67 5.27 5.91 9.91 8.29 8.62 ****** ****** ****** ****** ****** 1969 ****** ****** ****** ****** ****** ****** ****** ****** 7.33 7.64 4.29 4.41 ****** 1970 2.89 4.01 4.75 6.03 6.65 9.28 10.28 12.09 8.59 ****** 4.25 2.91 ****** 1971 2.96 4.10 5.54 6.99 6.70 6.80 7.74 6.19 4.93 4.52 4.87 3.97 5.44 1972 ****** ****** ****** 6.25 7.41 9.33 7.40 6.18 6.70 5.78 4.83 3.11 ****** 1973 2.76 4.32 4.95 6.91 8.34 9.90 11.11 11.37 9.23 6.97 ****** 3.47 ****** 1974 2.53 2.70 5.97 8.76 10.60 10.21 12.54 11.96 11.75 9.40 6.61 3.43 8.04 1975 3.15 3.55 4.77 6.95 7.44 10.21 14.27 16.60 14.61 7.78 5.44 4.90 8.31 1976 3.88 2.28 3.14 3.99 9.35 8.61 8.94 5.65 6.32 6.01 3.26 3.53 5.41 1977 2.28 3.65 5.45 5.58 7.81 9.10 8.13 7.89 6.98 6.22 5.74 4.19 6.08 1978 3.20 3.87 4.67 6.56 8.28 8.53 7.71 6.69 6.51 6.10 4.53 4.71 5.95 1979 ****** 4.35 5.06 7.16 6.19 7.75 7.73 5.95 7.15 6.89 4.13 4.16 ****** 1980 3.10 3.21 5.33 7.49 8.57 8.08 7.49 8.05 7.03 6.35 5.85 4.20 6.23 1981 3.87 4.07 5.78 7.23 8.81 8.43 9.63 7.96 6.48 5.73 4.51 4.21 6.39 1982 3.35 2.91 4.44 6.94 8.45 8.38 7.81 7.49 5.67 6.91 4.45 3.38 5.85 1983 3.30 3.71 3.99 6.40 8.61 8.81 9.45 9.21 7.23 4.47 4.73 3.77 6.14 1984 3.36 2.86 5.53 6.35 6.81 7.50 7.31 8.37 5.98 5.04 5.34 2.67 5.59 1985 3.17 3.27 3.80 6.09 6.32 7.55 9.05 6.79 5.33 5.11 4.64 4.05 5.43 1986 3.38 3.90 3.68 5.76 7.30 6.83 7.38 6.22 5.79 6.43 4.26 3.95 5.41 1987 3.73 4.04 5.35 5.80 7.56 7.03 9.54 8.69 7.31 5.00 4.93 3.66 6.05 1988 3.22 3.50 4.73 6.81 7.66 7.05 9.16 7.79 7.62 5.01 4.56 3.95 5.92 1989 2.46 2.35 4.44 4.84 6.65 7.06 8.50 7.72 6.28 5.25 4.52 4.54 5.38 1990 3.19 3.57 3.98 5.91 6.69 7.33 7.80 8.05 5.73 5.29 4.53 3.12 5.43 1991 3.27 3.49 5.19 6.26 7.54 7.88 8.03 6.36 6.94 5.09 4.45 3.83 5.69 1992 3.17 3.56 3.97 6.05 7.37 9.39 8.33 7.26 5.24 4.76 3.94 4.30 5.61 1993 2.63 3.63 4.13 5.93 8.09 8.68 8.36 8.38 7.24 4.41 4.60 3.99 5.84 1994 3.73 3.32 5.06 5.56 6.31 8.20 8.20 8.05 4.10 5.99 5.94 3.49 5.66 1995 3.71 3.96 4.41 5.91 5.38 6.73 7.87 6.89 5.20 4.96 3.48 3.20 5.14 1996 2.84 3.49 4.81 5.90 6.84 7.05 7.01 5.18 6.54 5.06 3.95 3.53 5.18 1997 3.42 3.31 4.22 5.84 7.09 8.86 7.86 6.47 6.37 5.95 5.07 4.05 5.71 1998 3.39 3.41 4.51 6.56 7.55 7.43 8.54 8.36 6.40 5.49 5.05 4.66 5.95 1999 3.82 4.13 4.57 5.50 6.85 7.03 8.08 6.19 6.39 5.56 4.89 4.16 5.60 2000 3.41 3.53 4.29 6.71 7.95 6.96 6.66 5.89 6.94 6.30 4.27 4.26 5.60 MEAN 3.17 3.52 4.62 6.17 7.43 8.19 8.46 7.93 7.03 5.82 4.60 3.76 5.89 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 28 STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. AVERAGE OF VAPOUR PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 4.82 5.15 6.74 8.55 11.52 11.39 13.10 12.75 11.79 7.92 7.13 ****** ****** 1962 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** 9.31 7.76 5.50 4.03 ****** 1964 3.10 4.57 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 ****** ****** ****** ****** ****** ****** 8.88 11.01 13.21 7.71 5.51 ****** ****** 1966 ****** ****** ****** ****** ****** ****** ****** 10.62 10.86 8.50 3.45 2.85 ****** 1967 3.85 4.16 4.74 4.56 7.09 11.34 5.40 8.20 7.61 7.03 5.55 3.81 6.11 1968 3.75 4.89 5.06 7.28 8.16 13.65 11.44 11.89 ****** ****** ****** ****** ****** 1969 ****** ****** ****** ****** ****** ****** ****** ****** 10.11 10.53 5.91 6.07 ****** 1970 3.98 5.53 6.55 8.32 9.18 12.77 14.15 16.61 11.84 ****** 5.87 4.01 ****** 1971 4.07 5.64 7.62 9.62 9.27 9.42 10.72 8.59 6.84 6.26 6.71 5.47 7.52 1972 ****** ****** ****** 8.64 10.21 12.86 10.25 8.56 9.27 7.98 6.66 4.28 ****** 1973 3.80 5.96 6.82 9.52 11.49 13.65 15.29 15.66 12.72 9.61 ****** 4.77 ****** 1974 3.48 3.71 8.20 12.01 14.55 14.06 17.22 16.38 16.10 12.88 9.08 4.73 11.03 1975 4.34 4.89 6.57 9.58 10.26 14.07 19.57 22.69 20.00 10.72 7.50 6.75 11.41 1976 5.35 3.14 4.33 5.50 12.88 11.89 12.36 7.84 8.75 8.30 4.49 4.85 7.47 1977 3.13 5.03 7.52 7.71 10.77 12.56 11.25 10.92 9.65 8.58 7.90 5.77 8.40 1978 4.41 5.33 6.43 9.05 11.41 11.78 10.67 9.26 9.02 8.43 6.23 6.49 8.21 1979 ****** 5.99 6.98 9.88 8.55 10.70 10.70 8.24 9.88 9.52 5.70 5.72 ****** 1980 4.27 4.42 7.34 10.33 11.82 11.17 10.38 11.12 9.72 8.76 8.06 5.79 8.60 1981 5.33 5.61 7.96 9.96 12.14 11.64 13.29 11.01 8.97 7.90 6.23 5.80 8.82 1982 4.62 4.01 6.12 9.57 11.65 11.58 10.81 10.35 7.85 9.52 6.12 4.65 8.07 1983 4.54 5.11 5.50 8.83 11.87 12.17 13.05 12.71 9.99 6.18 6.53 5.19 8.47 1984 4.63 3.94 7.62 8.76 9.40 10.38 10.13 11.57 8.27 6.96 7.36 3.68 7.73 1985 4.37 4.52 5.24 8.41 8.74 10.45 12.51 9.40 7.38 7.07 6.41 5.57 7.51 1986 4.66 5.37 5.06 7.95 10.08 9.47 10.21 8.61 8.02 8.88 5.88 5.44 7.47 1987 5.14 5.56 7.37 8.00 10.44 9.73 13.16 12.02 10.10 6.90 6.80 5.05 8.36 1988 4.43 4.82 6.52 9.39 10.58 9.77 12.65 10.77 10.53 6.93 6.30 5.44 8.18 1989 3.38 3.23 6.13 6.69 9.19 9.78 11.76 10.68 8.70 7.27 6.24 6.25 7.44 1990 4.39 4.91 5.49 8.16 9.25 10.15 10.80 11.13 7.94 7.31 6.26 4.30 7.51 1991 4.50 4.81 7.14 8.64 10.40 10.89 11.11 8.81 9.60 7.04 6.14 5.28 7.86 1992 4.37 4.90 5.47 8.33 10.16 12.95 11.51 10.03 7.26 6.58 5.45 5.92 7.74 1993 3.62 5.00 5.69 8.19 11.15 11.98 11.56 11.58 10.00 6.10 6.34 5.50 8.06 1994 5.14 4.57 6.98 7.68 8.73 11.33 11.34 11.14 5.69 8.26 8.18 4.81 7.82 1995 5.11 5.46 6.08 8.16 7.44 9.32 10.90 9.55 7.20 6.86 4.82 4.41 7.11 1996 3.92 4.80 6.62 8.14 9.45 9.75 9.72 7.19 9.05 6.99 5.45 4.88 7.16 1997 4.71 4.56 5.81 8.07 9.79 12.23 10.88 8.96 8.82 8.22 6.99 5.59 7.89 1998 4.67 4.70 6.22 9.06 10.41 10.28 11.81 11.56 8.85 7.59 6.97 6.42 8.21 1999 5.26 5.70 6.30 7.60 9.47 9.73 11.17 8.59 8.84 7.68 6.74 5.74 7.74 2000 4.70 4.87 5.92 9.27 10.99 9.64 9.23 8.17 9.59 8.69 5.89 5.87 7.74 MEAN 4.36 4.85 6.37 8.51 10.25 11.31 11.68 10.95 9.71 8.04 6.34 5.18 8.13 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 29 STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. AVERAGE OF SATURATION DEFICIT PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 1.52 1.55 2.17 5.90 12.72 18.50 20.85 17.19 12.46 5.82 5.06 ****** ****** 1962 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** 14.47 9.49 3.81 1.82 ****** 1964 1.55 2.29 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 ****** ****** ****** ****** ****** ****** 14.52 13.59 5.68 9.60 3.73 ****** ****** 1966 ****** ****** ****** ****** ****** ****** ****** 14.95 10.68 8.33 5.49 2.14 ****** 1967 1.88 2.91 3.25 4.17 8.66 14.63 23.48 16.29 12.21 8.34 3.70 3.08 8.55 1968 2.67 3.51 4.20 8.83 8.26 13.63 13.17 12.53 ****** ****** ****** ****** ****** 1969 ****** ****** ****** ****** ****** ****** ****** ****** 11.31 8.22 3.43 3.10 ****** 1970 1.90 3.12 3.85 8.36 10.54 15.17 15.47 13.63 13.31 ****** 5.85 2.53 ****** 1971 1.12 1.39 4.63 5.47 17.02 20.07 23.71 23.12 17.59 9.42 5.03 2.93 10.96 1972 ****** ****** ****** 8.26 7.99 14.88 20.24 17.28 15.63 10.44 5.97 1.04 ****** 1973 1.01 2.86 3.07 5.89 7.80 15.39 16.09 15.30 9.68 10.52 ****** 2.00 ****** 1974 1.36 1.43 1.58 2.02 9.19 16.19 14.42 10.96 5.80 2.64 3.05 1.99 5.89 1975 1.40 1.72 2.80 7.10 9.69 21.27 19.61 14.53 9.42 7.82 4.32 3.15 8.57 1976 3.07 2.13 3.02 3.79 9.34 17.72 22.83 24.71 18.67 7.73 4.94 1.58 9.96 1977 0.78 2.02 6.51 10.56 10.60 21.45 24.40 21.18 15.82 7.54 2.42 1.85 10.43 1978 2.15 1.41 3.55 7.13 7.95 15.48 22.34 20.40 18.21 8.80 1.64 2.36 9.28 1979 ****** 1.52 2.86 7.63 9.95 16.45 26.00 20.99 16.54 10.51 5.81 2.26 ****** 1980 1.39 0.91 2.25 8.79 11.85 19.27 25.98 20.61 15.22 6.71 3.67 2.52 9.93 1981 1.86 2.66 3.59 4.83 7.69 15.16 19.92 19.74 15.43 6.73 5.47 2.42 8.79 1982 1.33 1.11 2.02 9.37 11.09 17.50 23.52 18.69 14.53 4.91 1.84 1.62 8.96 1983 1.51 2.57 3.16 5.97 11.51 19.62 26.41 20.66 14.75 9.78 6.35 2.09 10.36 1984 1.72 1.30 2.78 7.91 10.45 18.31 25.32 22.96 15.25 8.06 3.98 0.89 9.91 1985 1.80 3.89 3.62 8.95 14.64 23.20 22.28 18.01 18.05 8.63 5.42 2.13 10.88 1986 2.36 2.17 2.29 6.40 13.43 19.43 23.65 20.56 16.66 9.80 4.89 1.76 10.28 1987 3.13 3.06 2.94 7.22 14.18 20.57 18.99 20.94 13.06 5.48 4.76 4.27 9.88 1988 1.23 1.82 4.42 7.31 11.02 22.78 21.36 18.92 13.31 9.36 6.33 3.65 10.13 1989 1.41 1.55 4.36 9.82 13.06 22.81 24.18 21.24 16.21 12.13 4.93 2.42 11.18 1990 1.26 1.74 4.61 7.07 14.24 23.30 22.42 21.27 19.71 9.04 6.73 3.02 11.20 1991 1.35 2.31 2.26 8.59 8.84 17.21 22.05 22.48 15.34 9.09 4.50 2.93 9.75 1992 1.76 2.40 2.41 5.35 6.96 14.91 21.99 16.94 14.53 9.24 7.55 2.12 8.85 1993 2.05 1.74 3.77 8.17 9.47 17.20 21.10 18.18 16.61 8.40 2.75 2.44 9.32 1994 1.87 2.11 4.14 8.78 14.91 18.32 22.49 22.41 14.60 6.43 4.74 2.55 10.28 1995 2.63 2.74 4.44 8.58 15.32 20.55 26.47 25.39 16.97 8.87 8.55 2.63 11.93 1996 2.58 2.39 2.45 6.24 12.79 19.96 24.06 23.55 18.63 9.22 4.58 4.41 10.91 1997 2.86 2.08 3.27 8.57 11.71 18.36 25.93 24.94 16.94 11.12 3.64 2.62 11.00 1998 1.34 1.67 4.34 9.67 10.79 20.72 23.21 20.68 16.70 10.12 6.25 4.05 10.80 1999 1.92 4.44 3.92 7.24 12.11 21.30 20.05 26.04 16.29 10.30 2.92 3.34 10.82 2000 2.65 1.92 5.09 12.39 15.80 20.51 24.42 25.37 17.94 7.22 3.38 2.52 11.60 MEAN 1.83 2.19 3.44 7.42 11.22 18.58 21.80 19.62 14.71 8.50 4.65 2.52 9.71 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 30 STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. AVERAGE OF RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 77 80 78 67 54 43 43 48 53 60 63 *** *** 1962 *** *** *** *** *** *** *** *** *** *** *** *** *** 1963 *** *** *** *** *** *** *** *** 45 50 60 69 *** 1964 66 67 *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** 44 49 71 50 61 *** *** 1966 *** *** *** *** *** *** *** 45 51 51 39 58 *** 1967 66 59 60 53 46 46 20 36 43 51 62 55 50 1968 58 58 55 50 50 50 47 49 *** *** *** *** *** 1969 *** *** *** *** *** *** *** *** 52 59 66 70 *** 1970 66 67 71 56 52 48 51 58 50 *** 54 65 *** 1971 79 80 69 68 38 34 32 28 29 45 62 70 53 1972 *** *** *** 58 63 50 36 37 43 50 60 81 *** 1973 80 73 74 68 65 51 53 54 61 54 *** 71 *** 1974 69 66 81 84 65 52 59 64 75 83 76 72 71 1975 74 74 74 65 58 43 55 67 70 60 64 69 64 1976 64 51 56 61 63 45 40 27 36 59 54 79 53 1977 79 74 61 50 55 42 35 39 42 63 80 80 58 1978 73 82 72 64 65 50 37 35 38 55 81 78 61 1979 *** 82 77 63 51 44 33 32 44 54 58 76 *** 1980 79 83 81 60 55 41 32 39 46 66 74 76 61 1981 78 74 74 73 66 48 45 39 44 60 62 76 62 1982 79 79 80 58 57 44 35 39 41 71 82 78 62 1983 78 72 70 65 55 43 37 43 47 45 58 76 57 1984 76 77 76 61 55 42 33 40 40 55 71 81 59 1985 73 61 64 58 44 36 41 40 35 53 61 78 54 1986 72 77 73 61 48 37 35 35 39 55 63 78 56 1987 68 71 76 60 49 35 46 41 50 63 66 62 57 1988 80 77 65 64 55 34 42 41 49 48 57 66 57 1989 74 70 65 48 47 34 37 38 40 45 62 76 53 1990 79 77 62 62 45 35 37 39 34 52 57 68 54 1991 78 73 79 57 60 44 38 32 45 49 62 70 57 1992 74 72 74 67 66 53 39 42 38 49 49 77 58 1993 67 76 67 59 59 48 40 42 44 47 76 75 58 1994 77 74 70 55 43 43 39 38 33 63 69 68 56 1995 72 72 64 56 36 37 33 31 37 52 45 67 50 1996 65 71 76 61 48 38 33 26 39 50 61 58 52 1997 68 73 72 55 53 45 34 30 40 49 70 73 55 1998 80 79 67 57 54 38 38 40 40 50 59 68 56 1999 76 63 68 58 51 36 41 28 42 50 75 69 55 2000 71 76 63 49 46 37 30 29 41 61 68 74 54 MEAN 73 72 70 60 53 43 39 40 45 55 64 72 57 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 31 STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. AVERAGE OF MAXIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 86 89 88 79 71 59 62 69 68 72 72 *** *** 1962 *** *** *** *** *** *** *** *** *** *** *** *** *** 1963 *** *** *** *** *** *** *** *** 68 67 74 79 *** 1964 77 76 *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** 67 70 78 67 75 *** *** 1966 *** *** *** *** *** *** *** 66 58 56 46 69 *** 1967 77 65 65 56 49 61 24 45 54 67 75 66 59 1968 64 70 58 65 53 52 50 52 *** *** *** *** *** 1969 *** *** *** *** *** *** *** *** 74 77 83 86 *** 1970 83 83 87 74 76 66 67 76 67 *** 69 80 *** 1971 88 88 82 84 51 45 40 35 37 64 78 84 65 1972 *** *** *** 75 78 67 50 54 63 69 81 89 *** 1973 89 86 89 86 81 71 73 68 77 73 *** 81 *** 1974 80 80 86 88 79 70 74 75 85 88 85 81 81 1975 81 82 82 79 74 56 71 82 83 75 76 78 77 1976 76 64 69 71 80 62 59 44 54 75 72 89 68 1977 85 87 81 75 72 62 55 57 58 79 92 90 74 1978 88 89 87 83 82 72 57 56 58 75 91 89 77 1979 *** 91 89 82 69 67 54 50 64 72 76 88 *** 1980 88 90 92 78 73 59 50 59 64 81 91 90 76 1981 90 88 91 87 82 68 64 59 65 78 77 89 78 1982 88 86 92 79 73 62 54 57 61 87 92 90 77 1983 87 87 87 84 72 64 58 64 68 65 76 89 75 1984 89 86 90 82 75 64 55 63 60 76 87 89 76 1985 83 80 80 77 65 57 65 63 55 73 76 88 72 1986 86 90 88 78 68 57 55 55 60 76 78 89 73 1987 85 88 90 82 70 52 66 62 69 78 83 80 75 1988 88 86 85 84 75 53 62 63 71 66 78 83 75 1989 85 81 83 72 68 53 58 56 57 64 79 87 70 1990 88 89 83 82 65 55 56 60 51 71 76 81 71 1991 87 87 90 80 80 64 58 52 66 69 81 84 75 1992 86 85 87 85 82 72 60 62 59 69 69 87 75 1993 78 88 85 78 77 69 62 60 64 65 89 87 75 1994 89 88 88 77 64 65 59 61 51 82 87 83 75 1995 88 91 86 77 53 55 52 49 56 75 65 83 69 1996 80 85 88 79 66 59 55 41 57 71 78 76 70 1997 84 86 88 76 75 67 53 49 60 70 88 89 74 1998 91 89 86 78 73 60 58 61 59 70 77 84 74 1999 88 82 86 81 71 55 62 46 64 69 90 85 73 2000 85 88 82 72 68 54 47 47 63 81 86 87 72 MEAN 84 84 85 78 71 61 57 58 63 73 79 84 73 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 32 STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. AVERAGE OF MINIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 68 68 68 54 35 28 27 30 38 48 54 *** *** 1962 *** *** *** *** *** *** *** *** *** *** *** *** *** 1963 *** *** *** *** *** *** *** *** 25 35 45 57 *** 1964 54 58 *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** 25 32 64 35 46 *** *** 1966 *** *** *** *** *** *** *** 31 43 44 31 48 *** 1967 54 53 56 50 43 34 16 28 33 38 47 43 41 1968 53 47 51 38 46 48 44 46 *** *** *** *** *** 1969 *** *** *** *** *** *** *** *** 33 41 48 54 *** 1970 47 53 54 38 29 31 35 42 34 *** 38 51 *** 1971 70 71 54 50 26 24 25 21 22 29 43 55 41 1972 *** *** *** 42 48 36 27 25 28 33 42 71 *** 1973 69 59 59 53 52 37 38 41 48 34 *** 60 *** 1974 59 52 75 80 50 36 44 53 66 77 67 63 60 1975 67 66 63 44 38 29 34 42 51 42 51 59 49 1976 51 38 45 50 47 31 27 16 24 46 35 66 40 1977 72 59 41 30 39 26 23 26 29 48 63 67 44 1978 55 72 57 45 48 32 23 22 24 36 69 65 46 1979 *** 71 63 45 35 28 20 21 28 38 38 59 *** 1980 69 74 69 40 41 28 20 27 31 49 55 59 47 1981 62 60 59 59 51 33 33 27 28 43 45 61 47 1982 69 70 67 39 41 32 22 26 26 54 67 63 48 1983 67 54 53 50 41 29 23 30 31 28 40 64 43 1984 62 67 66 46 38 28 20 25 27 39 56 73 46 1985 63 46 50 42 29 23 27 26 21 36 46 67 40 1986 57 62 60 47 34 25 23 22 24 36 46 65 42 1987 52 58 64 44 34 25 33 28 36 50 52 47 44 1988 71 66 48 49 41 22 30 27 35 35 38 51 43 1989 62 58 51 32 33 23 24 26 28 30 47 64 40 1990 71 67 46 47 30 23 25 26 22 34 38 54 40 1991 68 60 70 40 45 31 27 20 32 33 46 54 44 1992 63 58 61 54 53 38 26 29 24 32 33 67 45 1993 55 66 53 44 44 33 27 31 30 33 63 61 45 1994 65 60 56 38 28 29 25 23 20 46 53 53 41 1995 56 57 48 42 23 24 22 19 23 33 28 52 36 1996 51 58 66 47 36 24 20 16 26 34 43 41 39 1997 54 58 58 39 37 30 22 18 27 32 53 57 40 1998 69 69 52 41 41 25 26 27 26 33 43 53 42 1999 65 48 54 42 38 24 28 18 28 36 62 52 41 2000 56 64 49 34 32 26 20 17 26 46 52 61 40 MEAN 61 60 57 45 39 29 27 27 31 39 48 58 43 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 33 STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. NO. OF DAYS PRECIPITATION EQUAL OR MORE THAN 5 MM. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 6 1 4 4 2 1 0 0 0 2 4 *** *** 1962 *** *** *** *** *** *** *** *** *** *** *** *** *** 1963 *** *** *** *** *** *** *** *** 1 2 3 6 *** 1964 6 3 *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** 2 0 4 6 0 *** *** 1966 *** *** *** *** *** *** *** 0 0 1 0 0 *** 1967 3 5 6 5 1 0 0 0 0 3 2 2 27 1968 0 0 0 0 0 0 0 0 *** *** *** *** *** 1969 *** *** *** *** *** *** *** *** 0 1 2 2 *** 1970 4 0 3 0 0 0 0 0 0 *** 1 2 *** 1971 1 4 5 3 0 1 0 0 0 0 2 3 19 1972 *** *** *** 4 3 1 0 0 1 2 1 6 *** 1973 1 3 4 3 3 0 0 0 0 0 *** 2 *** 1974 3 2 3 4 1 1 0 1 0 0 0 0 15 1975 0 1 2 3 2 0 0 0 0 2 2 0 12 1976 4 2 2 2 1 1 0 0 0 1 2 2 17 1977 2 2 3 0 7 2 0 0 0 3 3 2 24 1978 1 5 1 5 5 1 0 0 0 0 3 2 23 1979 4 3 5 2 2 0 0 1 0 0 1 1 19 1980 5 4 4 2 1 1 0 0 1 2 1 1 22 1981 2 2 6 7 4 0 1 0 2 1 1 2 28 1982 3 5 6 2 4 1 0 0 0 3 3 0 27 1983 3 0 4 4 1 0 1 0 1 0 1 3 18 1984 2 1 4 6 4 0 0 0 0 2 2 3 24 1985 3 6 1 3 0 1 0 1 0 0 0 5 20 1986 2 3 4 3 1 0 0 1 0 0 1 6 21 1987 2 3 9 3 1 0 1 0 1 2 0 1 23 1988 3 4 3 6 1 0 1 0 0 0 1 4 23 1989 4 2 4 1 0 0 0 0 0 0 2 3 16 1990 2 3 3 5 0 0 0 0 0 1 1 4 19 1991 4 3 7 3 4 0 0 0 1 0 1 3 26 1992 5 2 7 6 5 2 0 0 0 1 0 4 32 1993 0 4 5 4 2 0 0 0 0 0 3 1 19 1994 5 3 3 4 1 0 0 0 0 4 1 1 22 1995 2 3 1 2 0 1 0 0 1 1 1 0 12 1996 0 4 7 3 2 0 0 0 1 0 1 1 19 1997 3 2 6 2 4 4 0 0 0 4 2 0 27 1998 5 6 4 4 4 0 0 0 0 1 0 1 25 1999 5 4 3 3 3 0 0 0 0 1 4 2 25 2000 4 3 3 0 0 1 0 0 0 1 3 2 17 MEAN 3 3 4 3 2 1 0 0 0 1 2 2 21 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 34 STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. HIGHEST AND LOWEST LIMITS FOR 40 YEARS DURING 1961-2000 ELE- JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MENT --------------------------------------------------------------------------------------------- NO. HIG. DRY 03 9.6 9.8 22.0 22.0 26.0 29.8 31.0 30.0 26.0 21.4 16.2 13.2 1 YEAR - DAY 1987-27 1973-17 1971-15 1970- 8 1971-15 1975-29 1971-10 1970- 3 1970- 8 1980- 5 1972- 4 1987-24 LOW. DRY 03 -22.0 -22.8 -17.6 -7.2 0.6 8.4 7.8 6.2 -0.4 -5.0 -9.4 -20.0 2 YEAR - DAY 1977-26 1974- 6 1978- 1 1981- 3 1984- 2 2000-13 1965- 8 1972-28 1973-27 1995-19 1976-19 1970-17 HIG. WET 03 6.0 7.4 20.1 19.0 19.0 26.0 24.6 25.2 22.0 18.8 11.0 8.2 3 YEAR - DAY 1987-27 1999-21 1971-13 1971-24 1970-16 1970-30 1975-24 1975- 6 1970- 7 1975- 3 1994- 6 1975-16 LOW. WET 03 -22.2 -23.6 -17.6 -8.2 -0.8 5.0 2.2 1.6 -0.9 -5.8 -10.2 -20.2 4 YEAR - DAY 1977-26 1974- 6 1978- 1 1976- 2 1989- 3 1967- 8 1965- 4 1996-31 1972-19 1995-19 1976-19 1970-17 HIG. DRY 09 18.8 18.6 27.4 30.2 33.6 37.6 38.6 39.2 37.0 31.4 26.0 22.4 5 YEAR - DAY 2000- 2 1973-19 1977-20 1994-25 1974-23 1975-19 1983-28 1975-10 1997- 1 1980- 4 1974- 4 1998-11 LOW. DRY 09 -11.8 -16.2 -9.2 -3.8 1.6 12.4 16.4 16.6 7.8 0.8 -4.0 -13.0 6 YEAR - DAY 1964-11 1976-21 1976- 2 1976-22 1984- 2 1993-22 1987- 4 1974- 7 1999-28 1977-23 1969-12 1970-17 HIG. WET 09 9.6 13.2 23.2 26.2 28.4 26.6 25.8 30.0 28.8 23.0 24.0 15.0 7 YEAR - DAY 1994- 5 1971-22 1974-19 1974-20 1974-30 1975-18 1974- 2 1974-11 1974-19 1974-26 1974- 4 1969-17 LOW. WET 09 -13.0 -17.2 -12.2 -4.2 1.2 8.4 9.8 8.8 6.0 0.4 -5.0 -14.0 8 YEAR - DAY 1964-11 1976-21 1976- 2 1967- 1 1984- 2 2000-13 1967-19 1972-25 1969-12 1987-29 1969-12 1970-17 HIG. DRY 15 12.0 14.8 20.0 27.2 29.2 34.2 36.4 33.6 32.0 25.6 19.4 16.0 9 YEAR - DAY 1987-26 1999-27 1998-29 1998-18 1987-25 1985-26 1991- 7 1984-28 1997- 1 1998- 1 1995- 8 1969-24 LOW. DRY 15 -19.6 -20.6 -12.8 -7.8 0.4 10.0 13.0 13.0 5.6 -0.8 -12.6 -20.0 10 YEAR - DAY 1977-25 1976-26 1976- 3 1976- 2 1978- 2 1970-13 1965-17 1967- 8 1973-26 1987-27 1976-30 1970-24 HIG. WET 15 7.2 9.0 16.2 18.2 20.2 24.0 24.6 24.8 22.6 19.6 12.8 9.4 11 YEAR - DAY 1994- 5 1999-20 1974-19 1974-19 1974-27 1970-23 1974-27 1974-11 1975- 3 1975- 1 1974- 4 1998-11 LOW. WET 15 -19.8 -21.6 -15.2 -9.2 0.2 5.0 7.5 6.8 3.8 -1.4 -12.8 -20.2 12 YEAR - DAY 1977-25 1976-26 1976- 3 1976- 2 1978- 2 1970-11 1965- 5 1972-25 1973-27 1982-25 1976-30 1970-24 HIG. MIN. 6.8 7.4 11.0 15.2 17.6 21.0 24.0 23.5 24.0 17.0 11.0 8.4 13 YEAR - DAY 1987-26 1999-19 2000-24 1977-15 2000-31 1994-17 1995-16 1975- 6 1970- 2 1980- 5 1994- 6 1986- 1 LOW. MIN. -24.0 -30.0 -21.5 -10.5 -1.5 0.0 2.0 2.0 -2.5 -8.0 -12.0 -20.2 14 YEAR - DAY 1977-15 1974- 7 1976- 3 1976- 2 1979- 1 1961- 9 1965-22 1965-13 1973-27 1961-29 1979-24 1990-27 HIG. MAX. 21.6 20.0 29.8 31.8 34.2 38.5 40.6 41.5 38.0 32.4 26.5 25.2 15 YEAR - DAY 2000- 2 1999-27 1977-21 2000-10 1987-24 1975-29 1995-16 1975-10 1997- 2 1985- 1 1974- 4 1998-11 LOW. MAX. -8.0 -12.5 -6.0 -2.0 6.8 15.0 20.4 18.5 11.2 1.6 -2.6 -8.0 16 YEAR - DAY 1964-11 1976-21 1976- 3 1967- 1 1992- 2 1961- 8 1987- 4 1967- 2 1991-27 1987-27 1993-30 1963-27 HIG. PPTN 34.8 38.5 31.0 56.0 37.1 18.0 12.0 10.0 46.0 25.0 28.0 23.0 17 YEAR - DAY 1964- 4 1964-27 1961-13 1976-22 1981- 3 1997-20 1987- 4 1985-18 1965-22 1977-22 1996-12 1986- 2 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 35 STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. HIGHEST LIMITS OF ABSOLUTE DIFFERENCES FOR 40 YEARS DURING 1961-2000 ELE- JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MENT --------------------------------------------------------------------------------------------- NO. DRY 09 - DRY 03 20.6 22.4 21.2 20.4 16.6 21.8 25.0 22.6 21.8 22.6 22.0 20.8 18 YEAR - DAY 1985-26 1974- 7 1978- 1 1975-14 2000- 4 1967- 3 1967-26 1967-30 1963-21 1973-25 1972-26 1972-27 DRY 15 - DRY 09 14.8 15.2 17.0 18.0 18.0 16.0 15.8 15.4 16.4 15.6 15.4 18.0 19 YEAR - DAY 1977-22 1985- 6 1970-30 1975-16 1970-26 1970-24 1991- 6 1975- 9 1965- 3 1974-26 1979-26 1970-18 DRY 15 - DRY 03 16.4 14.0 15.0 16.8 15.2 15.0 21.8 15.6 17.8 15.6 16.6 17.2 20 YEAR - DAY 1992-30 1970- 5 1997-23 1992-12 1985-14 1961- 1 1965-13 1997-30 1998-23 1985-10 1972-25 1970-21 WET 09 - WET 03 16.8 21.6 18.6 17.2 15.8 13.4 20.6 14.6 20.6 19.6 17.0 18.4 21 YEAR - DAY 1975- 3 1974- 7 1978- 1 1974-23 1974- 5 1968-23 1965- 8 1974-10 1963-15 1974-29 1974- 4 1972-27 WET 15 - WET 09 14.3 15.0 15.0 14.8 14.2 10.8 11.0 10.8 15.8 14.4 11.2 17.2 22 YEAR - DAY 1970-17 1974- 7 1970-30 1974-16 1974-30 1967-14 1974- 2 1965- 4 1965- 2 1974-26 1974- 4 1971-22 WET 15 - WET 03 14.4 13.6 11.9 12.0 13.0 10.0 15.2 11.2 15.2 12.8 11.8 17.2 23 YEAR - DAY 2000-19 1974- 8 1992-13 1970- 4 1970-16 1970-29 1965- 8 1997-15 1963-15 1974-24 1976- 3 1970-21 DAY BY DAY DRY 03 19.6 20.8 21.0 15.0 11.0 11.8 11.0 13.0 11.3 15.0 14.8 14.2 24 YEAR - DAY 1992-31 1984- 8 1971-16 1970- 9 1970-28 1975-13 1970-20 1970- 3 1969-13 1971- 1 1992-27 1970-24 DAY BY DAY WET 03 18.7 19.6 13.0 12.4 8.2 10.0 9.0 8.8 12.2 11.2 15.2 14.4 25 YEAR - DAY 1992-31 1984- 8 1976-13 1974-14 1984- 2 1970- 7 1970- 1 1997-16 1969-13 1983-13 1978- 3 1967-15 DAY BY DAY DRY 09 20.2 18.0 19.8 21.0 20.4 17.8 14.0 13.4 15.6 17.4 20.0 14.4 26 YEAR - DAY 1964- 6 1985-17 1987-15 1974-25 1984- 2 1993-22 1986-21 1961- 1 1986-30 1984-20 1984-30 1994-21 DAY BY DAY WET 09 15.6 12.4 15.6 21.0 14.0 12.0 12.1 11.4 14.4 11.2 11.8 13.2 27 YEAR - DAY 1964- 6 1968-26 1973-15 1974-25 1974- 6 1975-18 1965-23 1974-13 1965-22 1976-30 1984-30 1967-15 DAY BY DAY DRY 15 18.0 16.2 17.0 16.8 18.4 16.8 19.8 12.0 14.0 20.2 18.0 21.0 28 YEAR - DAY 1964- 6 1988- 3 1997- 8 1987-20 1997- 5 1995-23 1991- 7 1970-16 1973-26 1984-20 1992-26 1970-24 DAY BY DAY WET 15 16.6 11.8 13.0 13.0 10.4 10.0 10.4 10.0 10.4 11.4 12.0 20.3 29 YEAR - DAY 1964- 6 1976-22 1981-28 1976- 3 1978- 2 1970-11 1965-23 1974-30 1963-15 1967-21 1978- 2 1970-21 DAY BY DAY MIN. 15.6 15.0 12.0 15.5 9.0 11.0 10.0 7.0 13.2 9.4 15.5 14.5 30 YEAR - DAY 1992-31 1964- 1 1976-11 1973-22 1970-28 1970-18 1970- 5 1996-30 1969-17 1984-20 1978- 3 1970-24 DAY BY DAY MAX. 14.0 18.0 21.0 18.0 17.0 12.0 13.0 11.5 13.5 15.3 17.0 15.0 31 YEAR - DAY 1964- 6 1968-26 1971-16 1970- 9 1999-21 1961- 7 1967-20 1961- 1 1965-22 1976-30 1975- 1 1967-15 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1961 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. -1.8 -2.0 2.1 8.4 16.1 18.5 21.7 19.5 18.3 8.0 7.8 ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -8.8 -9.6 -5.4 0.3 5.7 7.9 11.5 9.4 10.2 -0.5 1.8 ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 5.1 5.7 9.5 16.5 26.4 29.0 32.0 29.6 26.5 16.6 13.9 ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 13.9 15.3 14.9 16.2 20.7 21.1 20.5 20.2 16.3 17.1 12.1 ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.82 2.90 4.02 5.80 8.42 8.66 10.20 9.91 7.44 4.12 4.60 ***** ***** MEAN OF MIXING RATIO AT 09 GMT. 4.40 4.57 5.79 6.52 8.00 7.67 8.95 8.85 9.14 7.30 5.68 ***** ***** MEAN OF MIXING RATIO AT 15 GMT. 3.30 3.75 4.88 6.28 8.65 8.37 9.30 8.95 9.06 5.80 5.22 ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -18.0 -22.0 -15.0 -5.5 1.5 0.0 6.5 5.5 7.0 -8.0 -5.0 ***** ****** DAY 11 2 7 17 2 9 22 19 30 29 15 ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 14.0 13.5 20.0 28.5 32.5 36.0 36.5 33.5 34.0 23.5 20.5 ***** ****** DAY 20 13 25 28 27 5 27 31 1 1 1 ** 24 HOUR MAXIMUM PRECIPITATION IN MM. 24.0 11.0 31.0 28.0 34.8 17.0 0.3 0.0 0.0 13.0 25.0 ***** ****** DAY 6 18 13 15 1 7 17 ** ** 25 15 ** MONTHLY TOTAL PRECIPITATION IN MM. 91.0 28.0 73.2 93.0 45.4 17.0 0.3 0.0 0.0 20.0 81.0 ***** ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 42.8 34.6 0.1 22.5 NO. OF DAYS WITH PRECIPITATION. 13 10 12 10 5 1 1 0 0 2 5 *** *** NO. OF DAYS PRECIPITATION EQUAL 13 7 12 9 3 1 0 0 0 2 5 *** *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 3 1 1 4 1 1 0 0 0 1 4 *** *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 77 82 81 77 69 59 62 69 65 65 70 *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 75 72 71 54 35 28 27 31 38 55 55 *** *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 79 85 83 71 59 43 41 43 56 60 64 *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 28 27 24 5 0 0 0 0 0 8 1 *** *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 *** *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 4 1 0 0 0 0 0 0 0 0 0 *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 5 16 28 15 3 0 0 *** *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 *** *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 *** *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. 30 28 27 15 0 1 0 0 0 18 5 *** *** DATE OF START AND END FREEZING START = 11 OCT. END = 9 JUNE IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1962 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C.***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 09 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 24 HOUR MAXIMUM PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MONTHLY TOTAL PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION ***** ***** ***** ***** NO. OF DAYS WITH PRECIPITATION. *** *** *** *** *** *** *** *** *** *** *** *** *** NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. *** *** *** *** *** *** *** *** *** *** *** *** *** DATE OF START AND END FREEZING START = ** **** END = ** **** IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1963 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C.***** ***** ***** ***** ***** ***** ***** ***** 17.6 13.2 4.6 -2.6 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** 8.7 5.2 -1.2 -7.8 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** 26.5 21.3 10.4 2.6 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** ***** ***** ***** ***** ***** ***** 17.8 16.1 11.6 10.4 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** ***** ***** ***** ***** ***** ***** 6.51 4.74 3.43 2.48 ***** MEAN OF MIXING RATIO AT 09 GMT. ***** ***** ***** ***** ***** ***** ***** ***** 7.50 7.05 4.56 3.40 ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** ***** ***** ***** ***** ***** ***** 6.67 5.07 3.98 2.90 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** 2.0 1.5 -9.0 -19.5 ****** DAY ** ** ** ** ** ** ** ** 14 17 27 28 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** 34.2 30.0 16.0 11.0 ****** DAY ** ** ** ** ** ** ** ** 21 6 11 19 24 HOUR MAXIMUM PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** 8.0 15.0 7.3 15.5 ****** DAY ** ** ** ** ** ** ** ** 10 17 12 25 MONTHLY TOTAL PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** 8.0 27.0 27.6 73.5 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION ***** ***** 5.9 94.1 NO. OF DAYS WITH PRECIPITATION. *** *** *** *** *** *** *** *** 1 2 6 8 *** NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** 1 2 6 8 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** 0 2 0 4 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** *** *** *** *** *** *** 63 62 63 70 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** *** *** *** *** *** *** *** 36 45 57 67 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** *** *** *** *** *** *** 40 44 61 70 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** 0 0 6 25 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** 0 0 0 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** 0 0 0 12 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** 3 1 0 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** 0 0 0 0 *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** 0 0 0 0 *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. *** *** *** *** *** *** *** *** 0 0 17 30 *** DATE OF START AND END FREEZING START = 6 NOV. END = 31 DEC. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1964 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. -5.4 0.4 ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -10.2 -3.7 ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 0.1 4.4 ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.3 8.1 ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.91 3.06 ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 09 GMT. 2.77 3.52 ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 15 GMT. 2.07 3.37 ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -18.0 -11.0 ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY 30 16 ** ** ** ** ** ** ** ** ** ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 11.0 11.0 ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY 6 24 ** ** ** ** ** ** ** ** ** ** 24 HOUR MAXIMUM PRECIPITATION IN MM. 34.8 38.5 ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY 4 27 ** ** ** ** ** ** ** ** ** ** MONTHLY TOTAL PRECIPITATION IN MM. 122.8 97.0 ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 100.0 ***** ***** ***** NO. OF DAYS WITH PRECIPITATION. 8 3 *** *** *** *** *** *** *** *** *** *** *** NO. OF DAYS PRECIPITATION EQUAL 8 3 *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 4 3 *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 65 67 *** *** *** *** *** *** *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 71 63 *** *** *** *** *** *** *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 64 70 *** *** *** *** *** *** *** *** *** *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 29 16 *** *** *** *** *** *** *** *** *** *** *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 11 4 *** *** *** *** *** *** *** *** *** *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. 31 25 *** *** *** *** *** *** *** *** *** *** *** DATE OF START AND END FREEZING START = 1 JAN. END = 29 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1965 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C.***** ***** ***** ***** ***** ***** 17.7 18.0 15.8 12.9 4.6 ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** 8.2 8.8 8.4 5.1 -1.0 ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** 27.1 27.1 23.1 20.8 10.2 ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** ***** ***** ***** ***** 18.9 18.3 14.7 15.7 11.2 ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** ***** ***** ***** ***** 6.23 7.65 7.04 4.74 3.52 ***** ***** MEAN OF MIXING RATIO AT 09 GMT. ***** ***** ***** ***** ***** ***** 7.18 9.37 13.67 7.05 4.48 ***** ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** ***** ***** ***** ***** 5.88 6.93 8.16 4.96 3.98 ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** 2.0 2.0 6.0 0.5 -9.0 ***** ****** DAY ** ** ** ** ** ** 22 13 4 17 27 ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** 35.0 34.2 31.0 30.0 16.0 ***** ****** DAY ** ** ** ** ** ** 13 19 5 6 11 ** 24 HOUR MAXIMUM PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** 8.0 0.0 46.0 11.8 4.2 ***** ****** DAY ** ** ** ** ** ** 15 ** 22 25 4 ** MONTHLY TOTAL PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** 19.8 0.0 71.5 56.9 15.9 ***** ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION ***** ***** 55.6 44.4 NO. OF DAYS WITH PRECIPITATION. *** *** *** *** *** *** 5 0 4 9 7 *** *** NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** 5 0 4 9 7 *** *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** 0 0 2 1 0 *** *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** *** *** *** *** 61 64 72 62 66 *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** *** *** *** *** *** 35 42 68 45 56 *** *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** *** *** *** *** 35 41 73 42 61 *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** 0 0 0 0 6 *** *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** 0 0 0 0 0 *** *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** 0 0 0 0 0 *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** 7 6 3 1 0 *** *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** 0 0 0 0 0 *** *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** 0 0 0 0 0 *** *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. *** *** *** *** *** *** 0 0 0 0 15 *** *** DATE OF START AND END FREEZING START = 6 NOV. END = 29 NOV. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1966 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C.***** ***** ***** ***** ***** ***** ***** 18.4 16.0 11.8 2.8 -5.0 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** 9.4 7.0 4.5 -4.5 -9.8 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** 27.4 25.0 19.2 10.0 -0.2 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** ***** ***** ***** ***** ***** 18.0 18.0 14.7 14.5 9.6 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** ***** ***** ***** ***** ***** 7.66 4.82 4.55 2.08 1.76 ***** MEAN OF MIXING RATIO AT 09 GMT. ***** ***** ***** ***** ***** ***** ***** 8.71 10.60 7.91 3.28 2.32 ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** ***** ***** ***** ***** ***** 6.73 8.20 6.00 2.13 2.12 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** 7.0 3.0 2.0 -11.0 -18.0 ****** DAY ** ** ** ** ** ** ** 14 4 19 27 23 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** 35.0 30.0 24.0 15.5 8.0 ****** DAY ** ** ** ** ** ** ** 19 25 15 13 8 24 HOUR MAXIMUM PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** 0.0 0.5 8.5 0.0 2.0 ****** DAY ** ** ** ** ** ** ** ** 13 26 ** 12 MONTHLY TOTAL PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** 0.0 1.1 29.0 0.0 3.4 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION ***** ***** 3.3 96.7 NO. OF DAYS WITH PRECIPITATION. *** *** *** *** *** *** *** 0 3 9 0 4 *** NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** 0 0 8 0 1 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** 0 0 0 0 0 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** *** *** *** *** *** 62 49 51 39 55 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** *** *** *** *** *** *** 35 48 50 39 58 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** *** *** *** *** *** 39 54 50 37 61 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** 0 0 0 16 30 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** 0 0 0 0 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** 0 0 0 0 18 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** 6 2 0 0 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** 0 0 0 0 0 *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** 0 0 0 0 0 *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. *** *** *** *** *** *** *** 0 0 0 25 31 *** DATE OF START AND END FREEZING START = 2 NOV. END = 31 DEC. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1967 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. -3.1 0.4 2.2 4.0 12.7 19.2 21.4 18.9 15.4 11.3 4.7 0.2 8.9 AVERAGE OF MINIMUM TEMPERATURE IN C. -8.3 -3.9 -2.5 0.3 7.9 10.5 12.0 10.6 8.8 4.2 -0.7 -4.0 2.9 AVERAGE OF MAXIMUM TEMPERATURE IN C. 2.1 4.7 6.9 7.6 17.5 27.8 30.8 27.2 22.0 18.4 10.1 4.4 15.0 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.4 8.6 9.4 7.3 9.6 17.3 18.8 16.6 13.3 14.2 10.8 8.4 12.1 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.37 2.81 2.99 3.07 4.50 7.69 2.71 4.84 5.42 4.56 3.62 2.24 3.90 MEAN OF MIXING RATIO AT 09 GMT. 3.23 3.32 4.18 3.72 6.07 9.63 4.97 7.33 5.87 6.20 4.48 3.33 5.19 MEAN OF MIXING RATIO AT 15 GMT. 2.79 2.93 3.13 3.14 4.81 7.36 3.97 5.63 5.19 4.52 3.98 2.73 4.18 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -19.5 -11.0 -11.0 -9.0 5.0 7.0 9.0 8.0 6.0 0.5 -5.0 -12.0 -19.5 DAY 4 6 30 1 2 6 26 1 19 22 8 25 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 10.5 10.5 14.0 12.0 28.0 34.0 38.5 37.0 34.5 31.0 16.0 11.0 38.5 DAY 9 4 26 26 31 3 26 30 4 4 11 11 24 HOUR MAXIMUM PRECIPITATION IN MM. 16.0 28.0 16.0 25.0 8.0 3.0 0.0 0.0 0.8 7.0 8.0 7.0 28.0 DAY 21 2 9 27 16 6 ** ** 25 23 12 19 MONTHLY TOTAL PRECIPITATION IN MM. 38.0 76.0 59.0 93.0 23.5 3.0 0.0 0.0 1.6 30.0 21.0 34.0 379.1 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 45.6 31.5 0.4 22.4 NO. OF DAYS WITH PRECIPITATION. 4 11 8 17 7 1 0 0 3 7 4 8 70 NO. OF DAYS PRECIPITATION EQUAL 4 11 8 17 7 1 0 0 0 7 4 8 67 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 2 2 1 0 0 0 0 0 0 0 0 7 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 68 61 62 54 48 57 23 42 54 63 67 52 54 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 64 57 59 51 43 37 17 30 34 46 56 56 46 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 67 60 60 53 45 44 21 35 40 45 61 55 49 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 27 16 15 4 0 0 0 0 0 0 5 18 85 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 14 3 5 1 0 0 0 0 0 0 0 4 27 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 7 17 10 3 1 0 0 38 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 31 24 21 5 0 0 0 0 0 0 15 28 124 DATE OF START AND END FREEZING START = 8 NOV. END = 6 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1968 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. -0.6 3.1 4.9 12.1 13.2 20.4 19.5 18.9 ***** ***** ***** ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -6.0 -1.4 0.8 4.1 5.9 11.8 12.7 12.0 ***** ***** ***** ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 4.7 7.5 9.0 20.1 20.5 28.9 26.3 26.0 ***** ***** ***** ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.7 8.9 8.2 16.0 14.6 17.1 13.6 14.0 ***** ***** ***** ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.39 3.06 3.22 4.32 4.71 7.00 7.10 7.08 ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 09 GMT. 3.55 4.01 4.41 6.75 8.10 14.24 10.85 11.17 ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 15 GMT. 2.21 3.57 3.36 4.74 4.91 8.51 6.91 7.61 ***** ***** ***** ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -18.0 -7.0 -6.0 1.0 3.0 8.0 10.0 9.0 ***** ***** ***** ***** ****** DAY 9 4 26 28 26 1 3 1 ** ** ** ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 10.0 15.0 15.0 30.0 25.0 34.0 29.0 30.0 ***** ***** ***** ***** ****** DAY 20 26 21 2 6 23 23 15 ** ** ** ** 24 HOUR MAXIMUM PRECIPITATION IN MM. 4.5 1.9 4.0 3.2 3.8 3.6 0.0 0.0 ***** ***** ***** ***** ****** DAY 23 23 24 25 22 7 ** ** ** ** ** ** MONTHLY TOTAL PRECIPITATION IN MM. 10.6 7.1 18.5 7.2 8.7 7.2 0.0 0.0 ***** ***** ***** ***** ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 61.0 39.0 0.0 ***** NO. OF DAYS WITH PRECIPITATION. 5 6 10 8 7 3 0 0 *** *** *** *** *** NO. OF DAYS PRECIPITATION EQUAL 3 5 7 3 2 3 0 0 *** *** *** *** *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 0 0 0 0 0 0 *** *** *** *** *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 58 59 54 61 51 50 50 50 *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 59 56 55 46 50 50 45 48 *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 57 61 56 44 48 49 46 48 *** *** *** *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 22 7 2 0 0 0 0 0 *** *** *** *** *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 *** *** *** *** *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 2 1 0 0 0 0 0 *** *** *** *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 1 0 14 0 1 *** *** *** *** *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 *** *** *** *** *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 *** *** *** *** *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. 31 18 6 0 0 0 0 0 *** *** *** *** *** DATE OF START AND END FREEZING START = 1 JAN. END = 26 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1969 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C.***** ***** ***** ***** ***** ***** ***** ***** 16.0 16.8 4.6 5.3 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** 9.0 12.3 -0.6 1.4 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** 23.1 21.3 9.8 9.2 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** ***** ***** ***** ***** ***** ***** 14.1 9.0 10.4 7.8 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** ***** ***** ***** ***** ***** ***** 8.22 7.73 4.31 4.57 ***** MEAN OF MIXING RATIO AT 09 GMT. ***** ***** ***** ***** ***** ***** ***** ***** 7.09 8.10 4.42 4.66 ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** ***** ***** ***** ***** ***** ***** 6.69 7.10 4.13 4.00 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** 2.0 7.0 -10.0 -0.5 ****** DAY ** ** ** ** ** ** ** ** 15 2 16 1 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** 28.0 30.0 20.0 18.0 ****** DAY ** ** ** ** ** ** ** ** 10 6 3 24 24 HOUR MAXIMUM PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** 0.0 5.0 12.0 14.0 ****** DAY ** ** ** ** ** ** ** ** ** 28 3 3 MONTHLY TOTAL PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** 0.0 8.5 28.5 28.0 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION ***** ***** 0.0 100.0 NO. OF DAYS WITH PRECIPITATION. *** *** *** *** *** *** *** *** 0 2 5 4 *** NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** 0 2 5 4 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** 0 0 1 1 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** *** *** *** *** *** *** 66 60 68 78 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** *** *** *** *** *** *** *** 41 55 61 62 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** *** *** *** *** *** *** 49 63 68 70 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** 0 0 10 0 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** 0 0 0 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** 0 0 2 0 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** 0 2 0 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** 0 0 0 0 *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** 0 0 0 0 *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. *** *** *** *** *** *** *** *** 0 0 17 16 *** DATE OF START AND END FREEZING START = 11 NOV. END = 31 DEC. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1970 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. -0.4 4.1 6.8 13.1 15.1 20.7 22.9 22.7 21.1 ***** 8.3 -0.6 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -4.1 -0.7 0.9 5.5 6.6 12.9 15.3 15.1 14.4 ***** 0.4 -7.7 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 3.4 9.0 12.7 20.7 23.5 28.5 30.4 30.3 27.7 ***** 16.1 6.5 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 7.5 9.7 11.8 15.2 16.9 15.6 15.1 15.2 13.3 ***** 15.7 14.2 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.91 3.78 4.53 6.88 8.29 10.37 10.90 12.26 9.12 ***** 3.81 2.36 ***** MEAN OF MIXING RATIO AT 09 GMT. 3.56 4.59 5.25 5.87 5.61 8.65 9.93 12.05 9.00 ***** 4.37 3.34 ***** MEAN OF MIXING RATIO AT 15 GMT. 2.23 3.66 4.47 5.34 6.06 8.82 10.01 11.93 7.66 ***** 4.58 3.03 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -12.0 -9.0 -4.0 -2.0 2.0 7.0 10.0 10.0 9.0 ***** -3.1 -20.0 ****** DAY 15 4 14 27 5 6 5 6 11 ** 13 17 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 10.0 17.0 24.0 30.0 34.0 36.0 35.0 35.0 33.0 ***** 19.0 19.2 ****** DAY 12 19 30 8 31 23 14 17 3 ** 16 6 24 HOUR MAXIMUM PRECIPITATION IN MM. 9.0 1.0 16.0 2.5 0.5 0.0 0.0 0.0 0.0 ***** 10.0 20.0 ****** DAY 28 24 5 10 6 ** ** ** ** ** 14 16 MONTHLY TOTAL PRECIPITATION IN MM. 28.0 1.5 41.0 9.5 0.5 0.0 0.0 0.0 0.0 ***** 14.2 27.0 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 57.9 8.2 0.0 33.9 NO. OF DAYS WITH PRECIPITATION. 4 2 9 4 1 0 0 0 0 *** 4 3 *** NO. OF DAYS PRECIPITATION EQUAL 4 1 7 4 0 0 0 0 0 *** 4 3 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 1 0 0 0 0 0 0 *** 1 1 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 71 78 78 67 66 55 59 66 60 *** 56 68 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 70 61 60 42 32 37 38 45 39 *** 40 61 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 56 62 75 57 59 51 56 63 51 *** 65 67 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 17 7 1 0 0 0 0 0 0 *** 0 16 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 1 3 *** 0 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 5 0 0 0 0 0 0 0 0 *** 0 7 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 1 5 10 20 20 11 *** 0 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 *** 0 0 *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 *** 0 0 *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. 25 14 15 2 0 0 0 0 0 *** 10 28 *** DATE OF START AND END FREEZING START = 13 NOV. END = 28 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1971 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. -3.7 0.5 8.1 11.7 18.1 20.0 22.1 20.5 15.2 11.6 7.8 2.4 11.2 AVERAGE OF MINIMUM TEMPERATURE IN C. -10.2 -5.6 1.8 5.5 9.2 11.5 13.8 10.9 4.9 2.9 1.2 -4.4 3.5 AVERAGE OF MAXIMUM TEMPERATURE IN C. 2.7 6.5 14.3 17.9 26.9 28.5 30.3 30.0 25.5 20.3 14.4 9.3 18.9 DIFFERENCE BETWEEN AVERAGE MAXIMUM 12.9 12.1 12.5 12.4 17.7 17.0 16.5 19.1 20.6 17.4 13.2 13.7 15.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.44 3.41 5.07 6.75 7.16 6.76 7.48 5.30 4.74 4.66 4.91 3.48 5.18 MEAN OF MIXING RATIO AT 09 GMT. 3.76 5.18 6.34 7.77 6.64 7.32 8.34 8.12 5.49 4.60 4.65 4.53 6.06 MEAN OF MIXING RATIO AT 15 GMT. 2.67 3.71 5.19 6.45 6.30 6.33 7.39 5.16 4.57 4.26 5.04 3.88 5.08 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -22.0 -17.1 -3.0 -1.0 3.0 6.3 9.0 8.0 0.0 0.0 -5.0 -18.0 -22.0 DAY 27 3 7 3 2 12 3 3 20 25 3 22 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 9.2 17.0 26.0 26.0 32.0 33.0 38.0 35.0 32.0 32.0 19.0 20.0 38.0 DAY 14 23 14 24 26 2 10 6 1 15 4 8 24 HOUR MAXIMUM PRECIPITATION IN MM. 7.0 28.0 15.0 15.0 0.0 7.3 0.0 0.0 0.0 0.0 10.3 8.0 28.0 DAY 16 14 22 27 ** 20 ** ** ** ** 20 16 MONTHLY TOTAL PRECIPITATION IN MM. 11.6 49.3 44.3 38.5 0.0 7.3 0.0 0.0 0.0 0.0 17.3 20.0 188.3 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 55.9 24.3 0.0 19.8 NO. OF DAYS WITH PRECIPITATION. 3 4 5 5 0 1 0 0 0 0 2 3 23 NO. OF DAYS PRECIPITATION EQUAL 3 4 5 5 0 1 0 0 0 0 2 3 23 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 1 2 2 0 0 0 0 0 0 1 0 6 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 76 78 74 76 47 39 35 30 33 62 75 77 59 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 78 81 62 57 29 29 29 28 25 31 43 61 46 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 82 82 71 71 39 33 32 24 29 40 67 74 54 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 25 15 0 0 0 0 0 0 0 0 3 10 53 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 8 3 0 0 0 0 0 0 0 0 0 1 12 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 8 10 21 21 4 1 0 0 65 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 31 28 17 2 0 0 0 0 1 1 14 26 120 DATE OF START AND END FREEZING START = 20 SEP. END = 4 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1972 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C.***** ***** ***** 12.6 14.1 20.3 21.5 19.1 18.3 13.5 8.2 -3.1 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** 4.5 8.2 13.2 13.9 11.2 9.2 4.6 0.7 -7.7 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** 20.7 20.0 27.4 29.2 26.9 27.4 22.4 15.8 1.5 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** ***** 16.2 11.8 14.2 15.3 15.7 18.2 17.8 15.1 9.2 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** ***** 5.41 7.73 9.76 8.07 6.25 6.49 5.04 4.27 2.57 ***** MEAN OF MIXING RATIO AT 09 GMT. ***** ***** ***** 6.57 7.08 9.16 7.49 6.88 6.98 5.85 5.14 3.58 ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** ***** 6.78 7.41 9.06 6.65 5.41 6.62 6.44 5.07 3.18 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** 0.5 3.0 9.2 8.5 3.5 -1.5 -3.5 -4.0 -19.5 ****** DAY ** ** ** 8 12 11 18 28 19 21 10 26 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** 29.5 31.0 34.0 32.0 32.5 33.0 27.5 24.5 9.5 ****** DAY ** ** ** 23 2 22 1 19 24 6 4 1 24 HOUR MAXIMUM PRECIPITATION IN MM. ***** ***** ***** 13.4 19.6 7.8 0.0 2.5 5.5 11.5 6.5 16.0 ****** DAY ** ** ** 25 21 10 ** 29 18 8 6 2 MONTHLY TOTAL PRECIPITATION IN MM. ***** ***** ***** 45.4 71.3 13.8 0.0 4.0 6.5 21.6 6.5 61.9 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION ***** 56.5 4.5 39.0 NO. OF DAYS WITH PRECIPITATION. *** *** *** 7 9 4 0 2 2 3 1 8 *** NO. OF DAYS PRECIPITATION EQUAL *** *** *** 6 9 4 0 2 2 3 1 7 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL *** *** *** 2 3 0 0 0 0 1 0 2 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** *** 72 77 66 50 53 62 68 80 81 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** *** *** 45 50 38 27 28 29 33 44 78 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** *** 56 61 46 31 29 37 50 56 84 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** 0 0 0 0 0 0 0 2 19 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** 0 0 0 1 0 0 0 0 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** 0 0 0 0 0 0 0 0 10 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** 0 1 6 12 5 9 0 0 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** 0 0 0 0 0 0 0 0 0 *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** 0 0 0 0 0 0 0 0 0 *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. *** *** *** 0 0 0 0 0 1 2 14 27 *** DATE OF START AND END FREEZING START = 19 SEP. END = 31 DEC. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1973 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. -5.0 2.8 5.1 11.5 16.1 21.6 22.3 21.7 16.5 14.4 ***** 0.1 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -11.4 -3.9 -0.6 4.7 10.2 14.1 14.4 13.4 7.9 4.7 ***** -8.2 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 1.4 9.5 10.7 18.3 22.0 29.1 30.2 30.1 25.1 24.1 ***** 8.3 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 12.8 13.4 11.3 13.6 11.8 15.0 15.8 16.7 17.2 19.4 ***** 16.5 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.02 3.60 4.36 6.73 8.09 10.40 11.35 11.04 8.14 6.11 ***** 2.38 ***** MEAN OF MIXING RATIO AT 09 GMT. 3.41 4.67 5.44 7.26 8.83 10.39 11.58 12.14 10.64 6.94 ***** 4.98 ***** MEAN OF MIXING RATIO AT 15 GMT. 2.86 4.62 5.04 6.75 8.09 8.91 10.39 10.94 8.93 7.84 ***** 3.18 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -21.5 -18.0 -8.5 -5.0 6.5 11.0 11.0 9.5 -2.5 -2.5 ***** -13.5 ****** DAY 26 7 10 21 16 5 27 9 27 1 ** 11 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 10.5 19.0 22.5 28.0 29.5 33.5 34.5 34.0 31.5 28.5 ***** 16.0 ****** DAY 16 19 21 27 30 12 29 3 9 25 ** 29 24 HOUR MAXIMUM PRECIPITATION IN MM. 6.0 21.2 19.5 32.8 18.5 0.0 0.0 0.0 2.5 0.0 ***** 6.5 ****** DAY 3 6 23 13 5 ** ** ** 26 ** ** 13 MONTHLY TOTAL PRECIPITATION IN MM. 9.5 53.9 66.2 66.7 45.5 0.0 0.0 0.0 2.5 0.0 ***** 19.0 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 49.2 42.6 0.9 7.2 NO. OF DAYS WITH PRECIPITATION. 3 5 8 8 5 0 0 0 1 0 *** 6 *** NO. OF DAYS PRECIPITATION EQUAL 3 5 8 8 5 0 0 0 1 0 *** 5 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 2 3 2 2 0 0 0 0 0 *** 0 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 80 85 84 84 80 69 72 66 76 68 *** 69 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 77 62 68 55 53 38 39 42 48 36 *** 70 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 83 75 70 66 62 47 48 54 58 57 *** 74 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 30 12 6 2 0 0 0 0 0 0 *** 29 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 *** 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 13 1 1 0 0 0 0 0 0 0 *** 2 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 14 18 15 3 0 *** 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 *** 0 *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 *** 0 *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. 31 25 16 7 0 0 0 0 3 2 *** 31 *** DATE OF START AND END FREEZING START = 27 SEP. END = 21 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1974 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. -2.6 -4.7 4.7 10.5 18.1 21.9 23.2 20.7 16.7 11.5 8.5 1.2 10.8 AVERAGE OF MINIMUM TEMPERATURE IN C. -8.8 -11.8 -1.2 3.4 9.3 12.8 14.6 12.4 8.6 2.3 0.7 -5.1 3.1 AVERAGE OF MAXIMUM TEMPERATURE IN C. 3.6 2.4 10.7 17.7 27.0 31.0 31.8 28.9 24.8 20.6 16.2 7.5 18.5 DIFFERENCE BETWEEN AVERAGE MAXIMUM 12.4 14.2 11.9 14.3 17.7 18.2 17.2 16.5 16.2 18.3 15.5 12.6 15.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.86 1.79 4.11 6.25 8.45 10.13 11.32 9.28 8.63 5.60 4.74 2.87 6.25 MEAN OF MIXING RATIO AT 09 GMT. 3.53 3.92 8.10 12.24 13.19 10.82 13.98 14.20 15.07 13.86 8.90 4.37 10.18 MEAN OF MIXING RATIO AT 15 GMT. 2.21 2.39 5.70 7.80 10.18 9.67 12.32 12.40 11.56 8.73 6.26 3.06 7.69 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -15.4 -30.0 -12.5 -2.5 3.5 8.5 11.5 8.5 3.5 -2.0 -3.5 -11.0 -30.0 DAY 30 7 10 3 2 13 2 7 30 21 19 26 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 7.5 11.5 27.5 28.5 34.0 35.5 37.5 37.5 33.5 26.5 26.5 11.5 37.5 DAY 9 12 19 24 23 20 1 22 20 28 4 6 24 HOUR MAXIMUM PRECIPITATION IN MM. 25.0 8.0 14.0 11.0 6.0 7.0 1.5 5.5 0.0 0.0 4.5 4.0 25.0 DAY 25 27 5 11 7 9 20 5 ** ** 8 27 MONTHLY TOTAL PRECIPITATION IN MM. 51.0 18.0 46.0 40.5 6.0 21.0 1.5 5.5 0.0 0.0 6.0 12.5 208.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 55.3 32.5 3.4 8.9 NO. OF DAYS WITH PRECIPITATION. 6 8 11 10 1 6 1 1 0 0 2 5 51 NO. OF DAYS PRECIPITATION EQUAL 5 4 11 10 1 5 1 1 0 0 2 4 44 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 0 1 1 0 0 0 0 0 0 0 0 4 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 61 58 78 83 72 67 72 71 79 79 77 75 73 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 78 76 84 86 57 39 46 56 71 83 71 67 68 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 68 64 80 84 66 50 58 65 76 87 80 75 71 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 30 23 10 0 0 0 0 0 0 0 0 25 88 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 1 9 0 0 0 0 0 0 0 0 0 0 10 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 10 21 23 16 5 0 0 0 75 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 31 28 16 7 0 0 0 0 0 8 15 28 133 DATE OF START AND END FREEZING START = 17 OCT. END = 13 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1975 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. -1.3 1.2 4.9 13.1 15.4 23.7 27.1 27.2 22.9 14.7 7.5 5.6 13.5 AVERAGE OF MINIMUM TEMPERATURE IN C. -7.9 -4.4 -1.9 4.8 8.1 14.6 18.9 20.2 16.4 7.5 1.5 1.0 6.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. 5.3 6.8 11.6 21.4 22.6 32.8 35.3 34.3 29.4 21.8 13.6 10.3 20.4 DIFFERENCE BETWEEN AVERAGE MAXIMUM 13.2 11.2 13.5 16.6 14.5 18.2 16.4 14.1 13.0 14.3 12.1 9.3 13.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.32 2.93 3.78 6.31 7.65 10.08 15.21 18.29 14.18 7.69 5.06 4.45 8.16 MEAN OF MIXING RATIO AT 09 GMT. 4.34 4.51 5.91 7.22 7.14 10.72 11.98 13.69 13.10 6.96 5.14 5.12 7.99 MEAN OF MIXING RATIO AT 15 GMT. 2.80 3.21 4.62 7.31 7.51 9.83 15.60 17.82 16.55 8.71 6.11 5.13 8.77 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -16.5 -8.0 -9.5 0.5 4.0 8.5 14.5 17.5 13.5 0.5 -6.5 -8.5 -16.5 DAY 15 20 9 2 6 1 14 19 8 21 16 2 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 11.5 13.0 24.5 31.5 34.0 38.5 39.5 41.5 32.0 32.0 20.0 16.5 41.5 DAY 9 10 24 16 31 29 20 10 18 1 23 13 24 HOUR MAXIMUM PRECIPITATION IN MM. 4.0 5.0 7.5 8.0 16.0 0.0 0.0 0.0 3.5 13.5 13.5 3.0 16.0 DAY 25 28 29 24 15 ** ** ** 24 16 29 19 MONTHLY TOTAL PRECIPITATION IN MM. 16.0 28.0 27.0 28.0 30.5 0.0 0.0 0.0 3.5 22.5 31.0 12.0 198.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 35.8 29.5 1.8 33.0 NO. OF DAYS WITH PRECIPITATION. 8 11 7 5 3 0 0 0 1 4 6 5 50 NO. OF DAYS PRECIPITATION EQUAL 8 10 7 5 2 0 0 0 1 3 5 5 46 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 0 0 2 0 0 0 0 1 1 0 4 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 72 76 76 76 69 52 60 78 78 69 68 68 70 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 75 73 69 44 40 31 34 42 51 43 53 64 52 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 74 75 77 73 66 46 70 80 80 70 73 75 72 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 27 19 9 0 0 0 0 0 0 0 3 5 63 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 4 9 0 0 0 0 13 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 3 0 0 0 0 0 0 0 0 0 0 0 3 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 3 5 24 28 27 12 3 0 0 102 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 3 0 0 0 0 3 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 30 28 19 0 0 0 0 0 0 0 12 10 99 DATE OF START AND END FREEZING START = 5 NOV. END = 22 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1976 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 3.4 -5.1 0.9 4.6 17.2 21.4 24.1 22.2 20.0 12.4 4.4 0.3 10.5 AVERAGE OF MINIMUM TEMPERATURE IN C. -2.2 -11.7 -5.5 -1.1 9.8 13.6 16.0 13.1 11.4 5.3 -3.7 -5.2 3.3 AVERAGE OF MAXIMUM TEMPERATURE IN C. 9.1 1.5 7.3 10.4 24.6 29.3 32.1 31.4 28.6 19.6 12.6 5.7 17.7 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.3 13.2 12.8 11.5 14.8 15.7 16.1 18.3 17.2 14.3 16.3 10.9 14.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.55 1.97 2.95 3.80 9.36 9.34 10.15 6.68 6.83 5.37 3.03 2.98 5.50 MEAN OF MIXING RATIO AT 09 GMT. 3.98 2.58 3.52 4.20 9.24 8.02 8.58 5.27 6.33 6.60 3.24 3.96 5.46 MEAN OF MIXING RATIO AT 15 GMT. 4.11 2.28 2.95 3.96 9.46 8.46 8.09 5.00 5.80 6.06 3.50 3.63 5.27 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -11.0 -29.5 -21.5 -10.5 2.0 11.6 13.5 8.8 4.6 -1.0 -10.4 -18.0 -29.5 DAY 24 26 3 2 4 7 5 27 15 31 19 1 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 14.0 13.5 18.5 18.5 31.2 35.5 37.0 34.0 35.5 27.0 21.0 13.5 37.0 DAY 4 8 22 13 21 30 17 10 4 13 26 17 24 HOUR MAXIMUM PRECIPITATION IN MM. 12.5 27.0 5.5 56.0 12.0 7.5 0.0 0.0 0.0 16.0 26.0 21.0 56.0 DAY 20 11 22 22 8 6 ** ** ** 30 29 31 MONTHLY TOTAL PRECIPITATION IN MM. 37.5 46.5 22.5 66.5 27.4 10.7 0.0 0.0 0.0 17.7 32.0 35.2 296.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 36.0 35.3 0.0 28.7 NO. OF DAYS WITH PRECIPITATION. 5 7 7 4 12 3 0 0 0 3 2 8 51 NO. OF DAYS PRECIPITATION EQUAL 5 7 7 4 9 2 0 0 0 2 2 4 42 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 1 0 1 1 0 0 0 0 1 1 1 7 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 65 48 57 64 79 62 59 44 54 74 70 85 63 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 57 54 55 56 48 31 28 17 25 47 35 68 43 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 71 52 57 63 62 43 32 21 31 57 57 83 52 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 8 20 13 3 0 0 0 0 0 0 15 16 75 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 14 6 1 0 0 0 0 0 0 1 5 27 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 1 12 25 25 13 0 0 0 76 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 23 25 26 14 0 0 0 0 0 1 23 27 139 DATE OF START AND END FREEZING START = 31 OCT. END = 22 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1977 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. -6.8 1.3 11.1 14.5 17.1 23.7 24.2 23.2 19.1 12.9 7.3 2.7 12.5 AVERAGE OF MINIMUM TEMPERATURE IN C. -12.6 -6.0 3.7 7.1 9.8 15.2 15.9 14.9 9.9 6.3 1.9 -2.0 5.3 AVERAGE OF MAXIMUM TEMPERATURE IN C. -1.0 8.6 18.5 22.0 24.3 32.2 32.5 31.5 28.2 19.5 12.8 7.4 19.7 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.6 14.6 14.8 14.9 14.5 17.0 16.6 16.6 18.3 13.2 10.9 9.4 14.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.92 2.89 5.36 6.14 8.22 10.30 9.62 8.60 6.71 5.73 5.06 3.71 6.19 MEAN OF MIXING RATIO AT 09 GMT. 2.85 4.25 5.34 5.05 7.71 8.31 7.50 7.78 7.35 6.44 6.11 4.51 6.10 MEAN OF MIXING RATIO AT 15 GMT. 2.04 3.82 5.65 5.55 7.50 8.67 7.27 7.31 6.87 6.49 6.05 4.35 5.96 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -24.0 -20.5 -1.2 1.2 4.4 8.5 13.4 7.0 4.5 -2.8 -2.5 -10.8 -24.0 DAY 15 3 1 5 2 3 29 31 8 24 29 31 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 9.8 15.5 29.8 30.0 29.2 38.4 36.0 38.5 32.8 30.5 16.2 17.8 38.5 DAY 20 16 21 15 15 22 9 17 27 5 11 6 24 HOUR MAXIMUM PRECIPITATION IN MM. 18.2 10.0 10.6 3.0 25.5 8.8 0.0 0.0 0.0 25.0 16.2 13.0 25.5 DAY 21 8 5 11 25 2 ** ** ** 22 14 8 MONTHLY TOTAL PRECIPITATION IN MM. 50.4 15.0 34.9 9.8 97.3 16.8 0.0 0.0 0.0 63.6 45.1 32.2 365.1 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 27.5 33.9 0.0 38.6 NO. OF DAYS WITH PRECIPITATION. 14 2 6 5 12 2 0 1 0 9 9 8 68 NO. OF DAYS PRECIPITATION EQUAL 9 2 6 5 11 2 0 0 0 7 6 7 55 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 1 1 0 4 0 0 0 0 2 2 1 13 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 80 80 79 74 71 62 55 56 58 76 91 87 72 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 77 62 41 32 40 27 23 27 29 49 63 67 45 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 81 79 63 43 55 38 28 33 39 65 86 85 58 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 27 16 0 0 0 0 0 0 0 0 0 11 54 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 22 1 0 0 0 0 0 0 0 0 0 1 24 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 1 0 24 27 21 8 1 0 0 82 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 31 27 3 0 0 0 0 0 0 3 8 18 90 DATE OF START AND END FREEZING START = 23 OCT. END = 15 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1978 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 0.3 0.9 5.6 12.9 16.0 20.6 22.8 21.3 20.0 14.0 3.9 4.8 11.9 AVERAGE OF MINIMUM TEMPERATURE IN C. -5.8 -5.1 -0.8 6.3 9.2 12.5 14.6 12.5 10.4 6.0 -0.5 -1.1 4.9 AVERAGE OF MAXIMUM TEMPERATURE IN C. 6.4 6.7 11.9 19.6 22.8 28.7 31.0 29.9 29.5 22.0 8.2 10.6 19.0 DIFFERENCE BETWEEN AVERAGE MAXIMUM 12.2 11.8 12.7 13.3 13.6 16.2 16.4 17.4 19.1 16.0 8.7 11.7 14.1 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.82 3.17 4.15 6.56 8.15 9.57 9.38 8.03 6.67 5.61 4.14 3.98 6.02 MEAN OF MIXING RATIO AT 09 GMT. 3.45 4.49 5.15 6.17 7.89 7.86 6.88 6.34 6.44 6.45 4.89 5.34 5.95 MEAN OF MIXING RATIO AT 15 GMT. 3.35 3.92 4.70 6.95 8.81 8.18 6.87 5.68 6.43 6.25 4.55 4.80 5.88 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -14.8 -16.0 -18.2 0.0 0.4 7.5 9.6 7.2 6.5 1.8 -10.0 -12.6 -18.2 DAY 16 7 1 12 3 11 9 31 23 7 3 18 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 14.0 14.0 22.8 28.5 31.5 35.7 37.8 33.8 34.0 26.5 19.5 20.2 37.8 DAY 2 22 31 10 14 30 1 14 12 13 1 12 24 HOUR MAXIMUM PRECIPITATION IN MM. 6.0 36.0 11.8 19.3 27.1 12.5 0.0 0.0 3.4 0.7 15.0 16.3 36.0 DAY 21 25 7 15 2 2 ** ** 14 22 19 17 MONTHLY TOTAL PRECIPITATION IN MM. 17.6 93.0 20.0 60.1 81.8 13.0 0.0 0.0 3.4 1.1 38.4 31.1 359.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 36.3 43.1 0.9 19.6 NO. OF DAYS WITH PRECIPITATION. 5 9 6 11 14 2 0 0 1 2 9 6 65 NO. OF DAYS PRECIPITATION EQUAL 5 8 5 7 12 1 0 0 1 0 4 4 47 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 4 1 2 3 1 0 0 0 0 2 2 15 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 85 87 86 82 79 71 57 56 57 73 88 85 76 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 57 75 59 46 49 33 23 22 24 36 72 67 47 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 78 85 72 65 68 44 30 27 34 54 84 82 60 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 22 14 5 0 0 0 0 0 0 0 3 7 51 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 1 0 0 0 0 0 1 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 2 3 0 0 0 0 0 0 0 0 0 1 6 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 1 13 22 16 11 0 0 0 63 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 30 23 16 1 0 0 0 0 0 0 16 16 102 DATE OF START AND END FREEZING START = 3 NOV. END = 12 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1979 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. -0.6 2.2 5.3 14.0 14.1 20.3 24.5 20.9 19.8 16.2 7.3 3.2 12.3 AVERAGE OF MINIMUM TEMPERATURE IN C. -6.4 -2.4 -0.0 7.6 7.2 12.5 15.9 12.1 10.7 8.4 -1.7 -2.5 5.1 AVERAGE OF MAXIMUM TEMPERATURE IN C. 5.2 6.9 10.8 20.4 21.1 28.1 33.1 29.7 28.8 24.1 16.3 8.9 19.5 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.6 9.3 10.8 12.8 13.9 15.6 17.2 17.6 18.1 15.7 18.0 11.4 14.3 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** 3.79 4.49 7.30 6.72 9.23 9.56 7.05 7.34 6.43 3.70 3.51 ***** MEAN OF MIXING RATIO AT 09 GMT. 4.07 4.72 5.44 6.91 5.66 6.99 6.78 5.47 7.38 7.31 4.26 4.62 5.80 MEAN OF MIXING RATIO AT 15 GMT. ***** 4.38 5.26 7.28 6.20 6.82 6.84 5.33 6.72 6.94 4.19 4.35 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -18.2 -14.5 -13.3 1.0 -1.5 8.8 11.6 7.3 4.5 3.8 -12.0 -15.5 -18.2 DAY 29 20 5 18 1 19 3 22 26 11 24 23 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 17.0 19.5 20.5 29.5 29.5 32.8 37.0 34.8 36.2 30.3 25.8 15.5 37.0 DAY 4 15 19 9 22 24 9 17 9 15 3 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 19.0 14.5 22.3 27.8 7.1 4.5 0.0 8.0 3.0 3.5 7.3 6.7 27.8 DAY 11 9 28 17 7 4 ** 19 14 28 5 9 MONTHLY TOTAL PRECIPITATION IN MM. 55.9 54.4 77.8 40.7 23.6 11.2 0.0 8.0 3.0 4.8 7.3 21.8 308.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 61.0 24.5 3.6 11.0 NO. OF DAYS WITH PRECIPITATION. 9 15 15 6 9 3 0 1 1 3 1 9 72 NO. OF DAYS PRECIPITATION EQUAL 8 11 12 5 6 3 0 1 1 2 1 7 57 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 2 2 1 0 0 0 0 0 0 0 0 7 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** 88 87 80 68 67 54 50 63 71 76 84 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 72 75 65 45 35 29 20 21 29 38 36 62 44 MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** 84 78 64 51 36 26 26 40 54 58 82 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 17 8 8 0 0 0 0 0 0 0 10 7 50 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 5 1 5 0 0 0 0 0 0 0 0 1 12 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 9 30 16 13 1 0 0 69 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 29 17 10 0 1 0 0 0 0 0 20 22 99 DATE OF START AND END FREEZING START = 8 NOV. END = 1 MAY IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1980 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. -1.7 -3.1 5.2 15.4 18.6 21.7 23.6 22.8 19.2 11.9 8.6 3.7 12.2 AVERAGE OF MINIMUM TEMPERATURE IN C. -7.2 -9.0 -0.2 7.7 10.8 13.2 14.3 14.3 10.3 4.9 2.2 -2.8 4.9 AVERAGE OF MAXIMUM TEMPERATURE IN C. 3.7 2.8 10.6 23.1 26.5 30.2 32.8 31.4 28.2 18.8 15.1 10.1 19.4 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.9 11.8 10.8 15.4 15.7 17.0 18.5 17.1 17.9 13.9 12.9 12.9 14.6 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.58 2.60 4.74 7.35 8.57 8.85 8.75 8.81 6.72 5.65 5.24 3.63 6.12 MEAN OF MIXING RATIO AT 09 GMT. 3.66 3.73 5.77 7.33 8.68 7.71 6.91 8.37 7.35 6.68 6.13 4.73 6.42 MEAN OF MIXING RATIO AT 15 GMT. 3.06 3.31 5.49 7.80 8.47 7.68 6.81 6.96 7.01 6.71 6.18 4.24 6.14 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -19.5 -23.2 -9.5 1.5 5.5 8.8 9.0 7.2 6.5 -3.0 -2.5 -9.2 -23.2 DAY 26 4 5 18 18 12 2 26 14 22 27 21 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 13.3 8.5 23.0 30.0 33.5 36.5 35.8 39.0 34.5 32.3 20.2 21.3 39.0 DAY 6 15 30 23 23 21 30 20 7 4 13 7 24 HOUR MAXIMUM PRECIPITATION IN MM. 12.0 18.7 13.9 16.2 6.0 8.0 1.3 0.0 7.8 21.8 11.0 6.5 21.8 DAY 14 12 16 10 11 1 17 ** 23 21 11 19 MONTHLY TOTAL PRECIPITATION IN MM. 46.3 55.6 55.0 26.3 11.3 8.0 1.3 0.0 7.8 40.4 20.5 12.8 285.3 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 55.0 16.0 3.2 25.8 NO. OF DAYS WITH PRECIPITATION. 7 7 15 7 3 1 1 0 1 9 5 5 61 NO. OF DAYS PRECIPITATION EQUAL 7 7 12 4 3 1 1 0 1 6 5 3 50 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 2 1 1 0 0 0 0 0 2 1 0 8 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 83 84 91 76 71 58 50 58 63 80 89 88 74 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 71 77 70 41 42 29 20 28 32 49 55 61 48 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 83 87 83 62 53 36 26 31 42 68 78 80 61 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 22 23 6 0 0 0 0 0 0 0 0 12 63 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 7 6 0 0 0 0 0 0 0 0 0 1 14 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 1 9 15 31 24 11 3 0 0 94 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 29 29 14 0 0 0 0 0 0 2 3 29 106 DATE OF START AND END FREEZING START = 22 OCT. END = 19 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1981 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 1.6 3.5 8.3 11.7 16.7 20.3 23.5 22.3 18.5 11.8 8.4 3.9 12.5 AVERAGE OF MINIMUM TEMPERATURE IN C. -4.2 -2.7 1.7 5.1 10.6 12.4 15.8 14.0 9.4 4.5 0.1 -2.8 5.3 AVERAGE OF MAXIMUM TEMPERATURE IN C. 7.4 9.5 14.8 18.3 22.8 28.1 31.2 30.7 27.6 19.2 16.8 10.6 19.7 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.6 12.2 13.1 13.2 12.2 15.7 15.4 16.7 18.2 14.7 16.7 13.4 14.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.30 3.59 5.22 6.58 8.59 9.02 10.74 8.83 6.62 5.28 3.83 3.49 6.26 MEAN OF MIXING RATIO AT 09 GMT. 4.24 4.34 6.11 7.76 8.66 8.18 9.45 7.93 6.49 6.03 5.04 4.91 6.59 MEAN OF MIXING RATIO AT 15 GMT. 3.99 4.30 6.01 7.36 9.19 8.08 8.70 7.12 6.34 5.87 4.67 4.24 6.32 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -11.0 -8.6 -5.0 -9.5 4.7 6.2 12.2 10.5 3.2 -2.0 -3.8 -10.0 -11.0 DAY 5 4 1 3 4 2 23 31 25 30 16 31 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 14.2 16.7 24.2 27.2 29.7 32.5 37.2 34.3 36.0 23.7 24.2 18.5 37.2 DAY 18 9 21 26 15 4 12 8 14 12 13 17 24 HOUR MAXIMUM PRECIPITATION IN MM. 8.0 15.2 28.1 34.5 37.1 3.0 6.2 0.0 28.6 5.0 15.1 6.4 37.1 DAY 2 22 28 29 3 5 21 ** 23 17 23 30 MONTHLY TOTAL PRECIPITATION IN MM. 26.1 31.8 83.7 109.6 69.0 6.1 8.0 0.0 33.6 10.8 19.4 26.8 424.9 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 33.3 43.5 9.8 13.4 NO. OF DAYS WITH PRECIPITATION. 9 9 11 17 8 4 3 0 2 4 4 8 79 NO. OF DAYS PRECIPITATION EQUAL 8 5 11 14 8 3 2 0 2 3 2 7 65 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 1 3 4 1 0 0 0 1 0 1 0 11 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 87 86 89 85 80 66 64 59 64 77 76 86 77 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 64 60 59 60 51 34 33 27 28 43 45 61 47 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 84 75 75 74 67 43 38 32 39 58 63 81 61 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 14 6 1 2 0 0 0 0 0 0 0 4 27 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 13 21 19 9 0 0 0 62 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 29 21 13 4 0 0 0 0 0 5 21 28 121 DATE OF START AND END FREEZING START = 26 OCT. END = 5 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1982 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. -1.5 -4.5 3.1 14.8 18.1 21.6 23.5 21.8 17.5 11.6 3.3 -0.4 10.7 AVERAGE OF MINIMUM TEMPERATURE IN C. -8.1 -11.6 -2.5 7.0 11.0 13.9 15.0 13.7 8.7 5.6 -1.2 -6.6 3.7 AVERAGE OF MAXIMUM TEMPERATURE IN C. 4.7 2.8 8.7 22.7 25.2 29.4 32.0 29.8 26.3 17.6 7.8 5.7 17.7 DIFFERENCE BETWEEN AVERAGE MAXIMUM 12.8 14.4 11.2 15.7 14.2 15.5 17.0 16.1 17.6 12.0 9.0 12.3 14.0 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.73 2.29 3.93 6.70 8.57 9.00 9.10 8.12 5.74 6.43 4.01 2.74 5.78 MEAN OF MIXING RATIO AT 09 GMT. 4.04 3.58 4.79 6.84 8.23 8.30 7.08 7.46 6.05 7.04 4.69 3.85 6.00 MEAN OF MIXING RATIO AT 15 GMT. 3.29 2.87 4.61 7.27 8.55 7.85 7.25 6.88 5.23 7.27 4.64 3.55 5.77 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -21.5 -21.5 -8.5 -3.6 3.5 10.5 10.5 7.0 4.5 -4.6 -5.5 -15.0 -21.5 DAY 22 20 1 1 12 19 1 25 22 27 29 10 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 13.5 10.8 19.3 31.0 33.0 36.2 35.8 35.2 31.0 26.2 18.2 11.2 36.2 DAY 11 4 24 28 20 8 25 5 4 5 8 24 24 HOUR MAXIMUM PRECIPITATION IN MM. 15.0 13.7 22.0 7.2 15.0 10.2 0.0 0.7 1.0 11.3 10.2 2.5 22.0 DAY 29 18 15 22 22 26 ** 10 13 6 28 7 MONTHLY TOTAL PRECIPITATION IN MM. 44.9 55.9 87.4 21.4 55.8 14.0 0.0 0.7 1.0 49.6 51.4 9.4 391.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 48.1 23.3 0.4 28.2 NO. OF DAYS WITH PRECIPITATION. 11 12 10 5 14 3 0 1 1 17 13 8 95 NO. OF DAYS PRECIPITATION EQUAL 8 8 10 5 9 2 0 0 1 13 13 5 74 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 1 5 0 2 1 0 0 0 1 1 0 13 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 82 80 89 77 72 62 54 57 61 85 90 86 75 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 72 73 68 39 41 32 22 27 27 55 68 63 49 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 83 83 83 56 56 38 30 33 34 74 87 86 62 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 19 21 13 0 0 0 0 0 0 2 6 22 83 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 6 7 0 0 0 0 0 0 0 0 0 2 15 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 2 7 16 29 14 1 0 0 0 69 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 30 24 24 1 0 0 0 0 0 5 21 31 136 DATE OF START AND END FREEZING START = 25 OCT. END = 1 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1983 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. -1.4 2.3 4.1 11.8 18.7 22.9 26.0 24.2 19.7 11.9 9.1 1.2 12.5 AVERAGE OF MINIMUM TEMPERATURE IN C. -7.2 -4.5 -2.0 5.6 11.8 14.8 17.0 16.2 11.6 3.0 0.6 -4.9 5.2 AVERAGE OF MAXIMUM TEMPERATURE IN C. 4.3 9.1 10.3 18.0 25.7 31.1 34.9 32.2 27.7 20.9 17.7 7.3 19.9 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.5 13.6 12.3 12.4 13.9 16.3 17.9 16.0 16.1 17.9 17.1 12.2 14.8 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.76 3.09 3.65 6.33 8.72 9.82 10.70 9.92 7.31 4.18 4.11 3.19 6.15 MEAN OF MIXING RATIO AT 09 GMT. 3.86 4.03 4.13 6.31 8.61 8.66 8.72 9.31 7.40 4.59 5.01 4.21 6.24 MEAN OF MIXING RATIO AT 15 GMT. 3.37 4.01 4.19 6.56 8.50 7.94 8.92 8.40 6.99 4.64 5.06 3.92 6.04 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -19.5 -12.8 -6.2 -1.8 6.5 9.5 12.8 12.4 7.2 -2.0 -5.0 -14.2 -19.5 DAY 29 1 19 1 1 2 4 12 17 13 27 25 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 14.0 14.5 18.5 26.5 30.8 35.8 40.0 39.6 33.5 29.5 23.5 17.0 40.0 DAY 2 21 5 20 6 22 27 15 25 3 21 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 12.5 3.5 26.1 13.2 5.2 4.2 8.0 2.5 6.8 0.0 5.9 12.7 26.1 DAY 25 28 24 5 7 21 18 7 15 ** 16 15 MONTHLY TOTAL PRECIPITATION IN MM. 36.8 8.0 63.9 52.0 15.7 4.6 8.0 2.5 9.3 0.0 13.2 40.5 254.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 42.7 28.4 7.8 21.1 NO. OF DAYS WITH PRECIPITATION. 9 4 8 12 5 2 1 1 3 0 5 10 60 NO. OF DAYS PRECIPITATION EQUAL 7 3 7 9 5 1 1 1 2 0 3 6 45 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 0 2 1 0 0 0 0 0 0 0 1 5 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 83 84 86 83 71 64 58 64 65 65 76 86 74 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 69 54 54 50 41 30 24 30 32 28 40 65 43 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 81 77 68 63 54 35 31 36 44 42 58 79 56 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 19 16 6 0 0 0 0 0 0 0 3 13 57 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 1 0 0 0 0 1 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 9 0 0 0 0 0 0 0 0 0 0 6 15 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 1 20 29 27 10 0 0 0 87 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 2 0 0 0 0 0 2 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 29 25 28 1 0 0 0 0 0 10 13 25 131 DATE OF START AND END FREEZING START = 13 OCT. END = 1 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1984 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 0.7 -3.5 7.4 13.5 16.1 21.3 24.4 24.9 18.7 11.7 8.4 -4.7 11.6 AVERAGE OF MINIMUM TEMPERATURE IN C. -4.5 -9.2 2.5 6.8 9.3 13.6 16.4 16.9 10.0 3.6 2.9 -10.5 4.8 AVERAGE OF MAXIMUM TEMPERATURE IN C. 5.9 2.2 12.2 20.3 22.9 29.1 32.4 32.9 27.4 19.9 14.0 1.2 18.4 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.4 11.4 9.7 13.5 13.6 15.5 16.0 16.0 17.4 16.3 11.1 11.7 13.5 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.94 2.37 5.04 6.12 6.86 8.10 8.20 9.19 5.78 4.54 4.91 2.08 5.51 MEAN OF MIXING RATIO AT 09 GMT. 3.52 3.08 5.69 6.45 6.48 7.39 6.91 8.27 6.39 5.25 5.51 3.25 5.68 MEAN OF MIXING RATIO AT 15 GMT. 3.61 3.03 5.87 6.47 7.08 7.02 6.83 7.58 5.76 5.33 5.59 2.70 5.57 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -9.8 -21.8 -2.6 0.6 0.4 8.4 12.6 13.8 3.6 -1.4 -6.2 -17.8 -21.8 DAY 31 7 1 5 2 18 5 2 30 26 17 30 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 11.2 11.2 18.0 28.2 32.6 35.0 35.6 38.4 32.6 28.6 21.4 10.6 38.4 DAY 8 12 21 17 29 21 26 28 3 19 2 14 24 HOUR MAXIMUM PRECIPITATION IN MM. 11.3 6.0 18.2 29.0 14.2 0.3 0.0 0.0 0.0 20.9 19.0 10.0 29.0 DAY 30 14 27 26 2 1 ** ** ** 20 16 7 MONTHLY TOTAL PRECIPITATION IN MM. 27.0 14.8 62.6 90.5 47.9 0.5 0.0 0.0 0.0 30.9 37.5 30.0 341.7 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 30.6 40.6 0.0 28.8 NO. OF DAYS WITH PRECIPITATION. 9 14 14 8 10 2 0 0 0 2 9 9 77 NO. OF DAYS PRECIPITATION EQUAL 4 4 7 7 7 0 0 0 0 2 5 6 42 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 0 2 4 2 0 0 0 0 2 1 1 13 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 88 85 90 81 74 64 55 63 60 76 86 85 76 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 62 67 68 49 40 30 22 27 28 40 57 74 47 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 77 77 72 54 50 32 23 29 31 51 71 85 54 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 18 23 0 0 0 0 0 0 0 0 1 26 68 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 2 12 0 0 0 0 0 0 0 0 0 11 25 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 2 14 31 25 4 0 0 0 76 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 30 28 8 0 0 0 0 0 0 6 5 31 108 DATE OF START AND END FREEZING START = 21 OCT. END = 17 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1985 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. -0.5 3.5 3.9 13.9 18.1 23.7 24.6 20.9 19.9 12.4 8.7 2.6 12.6 AVERAGE OF MINIMUM TEMPERATURE IN C. -6.2 -2.5 -1.5 6.7 9.8 15.2 16.7 13.4 10.4 4.6 2.0 -1.9 5.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. 5.2 9.6 9.2 21.1 26.4 32.1 32.5 28.3 29.4 20.3 15.3 7.2 19.7 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.4 12.1 10.7 14.4 16.6 16.9 15.8 14.9 19.0 15.7 13.3 9.1 14.2 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.75 3.19 3.55 5.80 6.41 8.21 9.96 7.56 5.38 4.56 4.00 3.67 5.42 MEAN OF MIXING RATIO AT 09 GMT. 3.56 3.37 3.79 6.09 6.28 7.44 8.80 6.63 5.53 5.23 4.97 4.28 5.50 MEAN OF MIXING RATIO AT 15 GMT. 3.18 3.26 4.07 6.38 6.26 6.99 8.44 6.18 5.08 5.55 4.97 4.18 5.38 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -15.0 -9.4 -12.0 0.6 6.0 10.0 13.2 10.2 7.2 -0.4 -3.8 -13.0 -15.0 DAY 1 24 11 18 1 12 20 31 25 24 24 8 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 11.8 19.0 21.6 30.4 32.4 38.0 37.2 31.8 33.2 32.4 23.4 18.8 38.0 DAY 29 15 20 24 17 26 5 7 2 1 4 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 16.0 10.0 6.0 13.4 3.0 10.0 0.0 10.0 0.0 2.2 1.0 15.0 16.0 DAY 16 2 24 4 21 22 ** 18 ** 12 15 4 MONTHLY TOTAL PRECIPITATION IN MM. 40.5 56.0 27.5 30.4 9.0 11.0 0.0 10.4 0.0 6.3 1.5 54.8 247.4 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 50.1 20.4 4.2 25.3 NO. OF DAYS WITH PRECIPITATION. 8 12 12 5 6 2 0 2 0 7 2 11 67 NO. OF DAYS PRECIPITATION EQUAL 7 12 8 3 4 2 0 1 0 4 1 9 51 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 1 0 1 0 1 0 1 0 0 0 2 8 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 83 77 80 76 65 57 65 63 55 71 76 85 71 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 64 49 51 44 30 25 28 27 22 36 46 67 41 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 73 57 61 53 37 27 32 30 27 51 61 82 49 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 19 11 11 0 0 0 0 0 0 0 0 8 49 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 3 2 6 0 0 0 0 0 0 0 0 1 12 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 1 5 26 26 8 15 1 0 0 82 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 28 21 18 0 0 0 0 0 0 1 8 20 96 DATE OF START AND END FREEZING START = 24 OCT. END = 26 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1986 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 1.1 2.1 2.2 11.7 18.7 21.4 23.8 21.4 19.0 15.5 6.7 2.1 12.1 AVERAGE OF MINIMUM TEMPERATURE IN C. -5.6 -3.3 -2.3 5.7 11.4 13.4 15.8 12.9 9.9 7.8 1.0 -2.7 5.3 AVERAGE OF MAXIMUM TEMPERATURE IN C. 7.8 7.5 6.6 17.7 26.1 29.5 31.9 29.8 28.0 23.2 12.3 6.8 18.9 DIFFERENCE BETWEEN AVERAGE MAXIMUM 13.4 10.8 8.9 12.0 14.7 16.1 16.1 16.9 18.1 15.4 11.3 9.5 13.6 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.77 3.33 3.50 5.49 7.70 7.69 8.55 6.92 5.84 6.09 3.93 3.58 5.45 MEAN OF MIXING RATIO AT 09 GMT. 3.75 4.12 3.70 5.81 7.23 6.65 6.97 6.00 5.59 6.44 4.28 4.23 5.40 MEAN OF MIXING RATIO AT 15 GMT. 3.63 4.23 3.82 5.87 6.96 6.17 6.62 5.73 5.96 6.75 4.57 4.04 5.36 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -16.2 -13.6 -7.0 -0.4 7.0 9.6 11.4 9.4 6.0 -0.6 -8.2 -11.0 -16.2 DAY 25 14 17 1 19 11 23 10 4 18 14 13 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 14.4 18.6 15.8 26.2 30.8 34.6 35.2 34.0 34.6 31.6 25.0 13.8 35.2 DAY 18 27 7 16 23 30 17 15 25 5 4 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 9.0 17.0 13.0 19.0 5.0 4.0 2.0 8.0 1.0 1.0 5.0 23.0 23.0 DAY 21 11 8 21 5 3 21 5 18 6 21 2 MONTHLY TOTAL PRECIPITATION IN MM. 21.0 39.2 38.2 49.2 14.8 4.7 2.0 10.3 1.2 2.2 7.7 68.1 258.6 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 38.1 26.6 5.2 30.2 NO. OF DAYS WITH PRECIPITATION. 7 8 13 12 8 3 1 3 2 3 4 10 74 NO. OF DAYS PRECIPITATION EQUAL 3 5 7 8 4 1 1 2 1 2 2 8 44 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 2 1 1 0 0 0 0 0 0 0 2 6 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 82 88 88 76 68 57 55 55 60 76 77 88 73 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 57 62 60 47 35 26 24 22 24 36 46 66 42 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 77 80 72 58 41 29 27 27 34 51 64 80 53 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 13 12 14 0 0 0 0 0 0 0 5 12 56 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 3 4 2 0 0 0 0 0 0 0 0 3 12 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 3 12 28 18 6 2 0 0 69 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 28 24 25 1 0 0 0 0 0 2 15 24 119 DATE OF START AND END FREEZING START = 17 OCT. END = 1 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1987 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 3.8 3.8 6.8 11.8 18.8 21.5 23.4 24.0 19.0 8.9 8.1 4.8 12.9 AVERAGE OF MINIMUM TEMPERATURE IN C. -1.8 -1.8 2.6 5.4 11.7 13.5 16.0 16.3 11.6 3.4 2.0 -1.7 6.4 AVERAGE OF MAXIMUM TEMPERATURE IN C. 9.4 9.4 11.1 18.2 26.0 29.6 30.7 31.7 26.4 14.5 14.3 11.2 19.4 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.2 11.2 8.5 12.8 14.3 16.1 14.7 15.4 14.8 11.1 12.3 12.9 12.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.32 3.58 5.12 5.76 7.90 7.23 9.80 9.17 7.03 4.68 4.32 3.29 5.93 MEAN OF MIXING RATIO AT 09 GMT. 3.93 4.15 5.38 5.76 7.12 7.05 9.64 8.75 7.47 5.20 5.28 3.86 6.13 MEAN OF MIXING RATIO AT 15 GMT. 3.94 4.38 5.56 5.87 7.66 6.80 9.18 8.15 7.43 5.12 5.18 3.82 6.09 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -7.2 -10.8 -4.6 -1.6 3.4 8.2 10.6 9.4 7.0 -2.8 -4.6 -7.4 -10.8 DAY 22 12 23 2 7 22 5 31 25 16 30 3 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 16.4 19.0 19.6 27.2 34.2 34.0 36.4 35.2 35.8 26.6 25.4 19.4 36.4 DAY 26 4 9 26 24 18 8 15 6 2 7 20 24 HOUR MAXIMUM PRECIPITATION IN MM. 6.0 9.0 18.0 9.0 22.0 0.3 12.0 0.0 9.0 22.0 4.0 19.0 22.0 DAY 12 21 29 19 6 5 4 ** 20 9 8 28 MONTHLY TOTAL PRECIPITATION IN MM. 16.2 28.1 90.6 30.7 25.1 0.3 14.4 0.0 13.0 50.1 10.2 25.7 304.4 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 44.3 18.4 9.0 28.3 NO. OF DAYS WITH PRECIPITATION. 5 9 19 11 7 1 3 0 2 6 3 4 70 NO. OF DAYS PRECIPITATION EQUAL 3 5 14 8 2 0 2 0 2 5 3 3 47 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 2 0 1 0 1 0 0 2 0 1 7 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 82 86 88 81 70 51 66 62 68 78 82 77 74 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 53 59 65 47 34 26 35 29 37 52 52 48 45 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 69 70 75 53 42 30 38 33 44 58 65 61 53 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 6 5 1 0 0 0 0 0 0 0 1 9 22 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 2 2 4 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 6 16 19 23 4 0 0 0 68 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 25 20 8 5 0 0 0 0 0 8 9 22 97 DATE OF START AND END FREEZING START = 15 OCT. END = 8 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1988 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. -1.7 0.4 7.8 13.6 17.3 23.2 24.4 22.6 19.2 13.5 9.7 5.1 12.9 AVERAGE OF MINIMUM TEMPERATURE IN C. -6.6 -4.7 2.3 7.7 10.9 15.2 17.2 15.6 11.7 6.3 3.2 -0.4 6.5 AVERAGE OF MAXIMUM TEMPERATURE IN C. 3.2 5.5 13.3 19.6 23.6 31.2 31.5 29.7 26.7 20.7 16.2 10.6 19.3 DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.8 10.2 11.0 11.9 12.7 16.0 14.3 14.1 15.0 14.4 13.0 11.0 12.8 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.78 2.98 4.67 6.80 7.84 7.89 10.05 8.92 7.65 4.64 4.50 3.80 6.04 MEAN OF MIXING RATIO AT 09 GMT. 3.49 3.70 4.61 6.67 7.34 6.51 8.72 7.29 7.65 5.33 4.36 3.93 5.80 MEAN OF MIXING RATIO AT 15 GMT. 3.39 3.82 4.92 6.95 7.81 6.76 8.71 7.16 7.57 5.07 4.82 4.11 5.93 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -16.8 -18.8 -2.6 -0.4 4.8 11.4 11.6 10.4 3.6 1.4 -4.0 -9.6 -18.8 DAY 21 7 25 3 6 1 24 25 27 3 16 30 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 7.8 16.6 23.6 27.8 32.2 38.0 34.6 36.6 33.0 27.4 24.2 18.0 38.0 DAY 5 24 21 19 28 17 12 12 5 27 4 7 24 HOUR MAXIMUM PRECIPITATION IN MM. 22.0 23.0 20.0 15.3 7.0 0.0 7.0 0.5 3.0 1.0 17.0 16.0 23.0 DAY 19 25 5 28 3 ** 27 21 3 18 15 28 MONTHLY TOTAL PRECIPITATION IN MM. 54.6 75.1 59.8 83.1 8.0 0.0 11.2 0.8 3.6 1.3 20.0 38.3 355.8 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 53.3 25.6 4.4 16.8 NO. OF DAYS WITH PRECIPITATION. 12 11 11 15 5 0 5 2 4 2 4 5 76 NO. OF DAYS PRECIPITATION EQUAL 9 8 8 12 1 0 2 0 1 1 2 4 48 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 3 2 4 0 0 0 0 0 0 1 1 12 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 85 84 83 83 75 53 62 63 71 65 77 82 74 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 72 66 50 50 42 23 30 28 35 36 39 51 44 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 84 80 61 59 49 28 35 32 42 44 56 65 53 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 22 14 0 0 0 0 0 0 0 0 1 5 42 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 1 0 0 0 0 0 1 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 5 7 0 0 0 0 0 0 0 0 0 1 13 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 1 17 26 16 6 0 0 0 66 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 31 24 4 2 0 0 0 0 0 0 9 15 85 DATE OF START AND END FREEZING START = 15 NOV. END = 3 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1989 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. -4.1 -4.4 6.9 13.0 16.7 23.1 25.2 23.1 19.5 15.4 7.7 4.7 12.2 AVERAGE OF MINIMUM TEMPERATURE IN C. -9.0 -9.6 1.7 6.1 9.0 15.1 18.0 15.2 11.3 7.5 1.1 0.8 5.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. 0.7 0.8 12.2 19.8 24.4 31.1 32.5 31.1 27.8 23.4 14.3 8.6 18.9 DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.7 10.4 10.5 13.7 15.4 16.0 14.5 15.9 16.5 15.9 13.2 7.8 13.3 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.20 2.00 4.35 5.00 6.75 7.93 9.87 7.80 5.89 4.87 4.04 4.21 5.41 MEAN OF MIXING RATIO AT 09 GMT. 2.68 2.57 4.46 4.82 6.49 6.80 7.70 7.83 6.55 5.09 4.78 4.71 5.37 MEAN OF MIXING RATIO AT 15 GMT. 2.50 2.47 4.53 4.70 6.71 6.44 7.94 7.51 6.41 5.80 4.74 4.69 5.37 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -17.8 -17.8 -3.8 1.0 -0.8 10.8 12.8 11.4 3.8 0.6 -4.0 -3.2 -17.8 DAY 31 4 1 2 3 2 31 1 23 25 8 25 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 9.4 8.4 21.8 26.2 32.8 35.8 38.0 35.6 34.6 31.0 21.0 20.6 38.0 DAY 2 22 26 28 31 24 8 10 2 8 30 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 11.6 14.0 16.0 11.0 1.0 0.4 0.7 0.0 0.4 0.4 6.0 16.0 16.0 DAY 4 23 28 30 15 8 5 ** 20 23 16 16 MONTHLY TOTAL PRECIPITATION IN MM. 42.6 30.3 51.0 15.0 1.0 0.4 0.7 0.0 0.4 0.7 16.1 45.3 203.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 60.9 8.1 0.5 30.5 NO. OF DAYS WITH PRECIPITATION. 13 10 6 6 1 1 1 0 1 2 5 9 55 NO. OF DAYS PRECIPITATION EQUAL 8 7 6 4 1 0 0 0 0 0 3 7 36 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 1 2 1 0 0 0 0 0 0 0 2 7 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 83 79 82 70 68 53 58 56 57 63 78 84 69 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 63 60 53 34 34 24 24 27 29 30 47 65 41 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 75 72 60 39 40 26 28 30 35 43 60 78 49 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 27 24 0 0 0 0 0 0 0 0 1 0 52 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 2 0 0 0 0 0 2 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 16 14 0 0 0 0 0 0 0 0 0 0 30 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 6 23 27 23 11 5 0 0 95 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 31 28 8 0 3 0 0 0 0 0 11 15 96 DATE OF START AND END FREEZING START = 8 NOV. END = 4 MAY IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1990 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. -1.4 0.7 6.3 12.1 18.6 23.8 24.0 24.1 21.2 13.3 9.8 0.8 12.8 AVERAGE OF MINIMUM TEMPERATURE IN C. -5.0 -3.0 0.4 6.2 11.2 15.6 16.8 16.5 12.5 5.8 2.9 -4.5 6.3 AVERAGE OF MAXIMUM TEMPERATURE IN C. 2.1 4.5 12.2 18.1 25.9 31.9 31.2 31.6 29.8 20.7 16.6 6.1 19.3 DIFFERENCE BETWEEN AVERAGE MAXIMUM 7.1 7.5 11.8 11.9 14.7 16.3 14.4 15.1 17.3 14.9 13.7 10.6 12.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.01 3.28 3.88 5.99 7.02 8.21 8.74 8.87 5.78 4.91 4.30 2.85 5.57 MEAN OF MIXING RATIO AT 09 GMT. 3.41 3.68 3.85 5.64 6.47 6.81 7.31 7.61 5.86 5.15 4.39 3.18 5.28 MEAN OF MIXING RATIO AT 15 GMT. 3.16 3.74 4.20 6.12 6.58 6.96 7.36 7.67 5.54 5.82 4.89 3.33 5.45 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -12.8 -11.8 -5.8 1.4 6.8 11.8 13.0 13.8 7.8 -1.4 -2.2 -20.2 -20.2 DAY 14 8 19 8 15 3 14 14 29 17 18 27 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 7.6 14.6 19.0 31.2 33.0 37.4 36.4 36.4 36.4 27.8 24.6 19.2 37.4 DAY 4 19 8 29 19 27 30 7 14 1 12 6 24 HOUR MAXIMUM PRECIPITATION IN MM. 13.0 22.0 7.0 8.3 4.0 0.4 0.9 0.0 0.0 10.0 11.3 8.2 22.0 DAY 7 16 16 6 14 12 7 ** ** 30 14 25 MONTHLY TOTAL PRECIPITATION IN MM. 32.9 56.9 24.2 51.0 5.7 0.8 0.9 0.0 0.0 13.4 14.4 36.3 236.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 48.2 24.3 0.4 27.1 NO. OF DAYS WITH PRECIPITATION. 17 11 7 14 4 2 1 0 0 6 3 9 74 NO. OF DAYS PRECIPITATION EQUAL 8 9 4 13 2 0 0 0 0 3 2 8 49 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 2 0 0 0 0 0 0 0 1 1 0 5 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 87 88 82 82 64 55 56 60 51 71 75 79 71 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 72 69 47 48 31 23 26 26 23 34 38 55 41 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 78 75 57 57 39 28 29 31 27 50 57 70 50 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 16 10 6 0 0 0 0 0 0 0 0 13 45 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 9 5 1 0 0 0 0 0 0 0 0 8 23 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 2 4 22 24 21 15 0 0 0 88 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 28 24 11 0 0 0 0 0 0 2 8 24 97 DATE OF START AND END FREEZING START = 17 OCT. END = 29 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1991 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. -0.8 1.3 5.5 13.9 15.4 21.0 23.8 23.0 19.5 13.2 7.3 3.7 12.3 AVERAGE OF MINIMUM TEMPERATURE IN C. -5.1 -3.0 1.9 7.6 9.2 13.8 16.5 15.0 12.0 6.0 1.5 -1.2 6.2 AVERAGE OF MAXIMUM TEMPERATURE IN C. 3.5 5.6 9.1 20.3 21.6 28.3 31.2 31.0 27.0 20.5 13.2 8.6 18.3 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.6 8.6 7.2 12.7 12.4 14.5 14.7 16.0 15.0 14.5 11.7 9.8 12.1 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.90 3.27 4.89 6.55 7.63 8.61 8.29 7.26 7.08 4.78 4.14 3.63 5.75 MEAN OF MIXING RATIO AT 09 GMT. 3.44 3.45 5.20 5.93 7.46 7.63 7.93 6.14 7.00 5.29 4.47 3.83 5.65 MEAN OF MIXING RATIO AT 15 GMT. 3.46 3.76 5.47 6.30 7.54 7.40 7.88 5.68 6.75 5.22 4.74 4.04 5.69 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -14.8 -13.8 -7.2 0.0 4.4 9.2 13.0 8.4 4.4 0.6 -5.0 -7.8 -14.8 DAY 2 13 13 14 5 24 15 23 29 14 29 21 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 9.4 18.0 18.4 27.4 30.6 32.6 37.0 36.0 34.6 25.4 22.4 16.8 37.0 DAY 14 27 31 25 30 12 7 6 21 26 5 10 24 HOUR MAXIMUM PRECIPITATION IN MM. 11.0 13.0 26.0 17.0 18.0 0.8 2.0 0.0 10.0 1.7 8.0 14.0 26.0 DAY 15 22 7 13 11 6 14 ** 27 17 7 13 MONTHLY TOTAL PRECIPITATION IN MM. 41.8 44.2 94.4 42.9 61.9 0.8 3.7 0.0 10.1 3.3 13.2 27.6 343.9 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 52.5 30.7 4.0 12.8 NO. OF DAYS WITH PRECIPITATION. 13 14 16 11 14 1 3 0 2 5 6 8 93 NO. OF DAYS PRECIPITATION EQUAL 7 8 12 7 9 0 2 0 1 1 3 3 53 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 3 3 1 3 0 0 0 1 0 0 1 14 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 84 86 89 79 78 64 54 52 66 68 80 83 74 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 70 61 70 43 48 32 29 21 33 35 46 54 45 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 80 73 79 51 54 35 33 24 38 44 61 71 54 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 18 8 2 0 0 0 0 0 0 0 3 9 40 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 1 0 0 0 0 0 1 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 1 5 0 0 0 0 0 0 0 0 0 0 6 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 1 8 23 21 11 0 0 0 64 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 31 19 9 1 0 0 0 0 0 0 11 20 91 DATE OF START AND END FREEZING START = 9 NOV. END = 14 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1992 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. -0.6 1.8 2.7 10.9 13.8 21.4 24.0 20.8 17.5 12.8 9.7 3.4 11.5 AVERAGE OF MINIMUM TEMPERATURE IN C. -4.6 -3.0 -2.1 5.2 8.3 14.6 16.5 13.8 9.9 5.1 2.7 -0.6 5.5 AVERAGE OF MAXIMUM TEMPERATURE IN C. 3.5 6.6 7.5 16.8 19.3 28.2 31.6 27.9 25.2 20.5 16.8 7.4 17.6 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.1 9.6 9.6 11.6 11.0 13.6 15.1 14.1 15.3 15.4 14.1 8.0 12.1 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.99 3.22 3.57 5.79 7.17 9.89 9.41 7.85 5.74 4.62 3.77 4.00 5.67 MEAN OF MIXING RATIO AT 09 GMT. 3.28 3.64 4.15 6.12 7.32 8.79 7.93 6.98 4.92 4.64 3.98 4.48 5.52 MEAN OF MIXING RATIO AT 15 GMT. 3.26 3.81 4.18 6.23 7.63 9.48 7.64 6.93 5.07 5.03 4.08 4.41 5.65 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -18.8 -9.8 -13.6 0.0 0.4 11.4 13.4 6.4 5.6 -2.8 -5.8 -10.4 -18.8 DAY 30 12 13 20 5 9 13 31 13 18 27 29 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 11.4 15.0 19.4 26.6 27.8 34.2 35.2 35.0 31.8 26.0 24.6 16.2 35.2 DAY 20 25 30 13 30 19 5 23 25 11 12 16 24 HOUR MAXIMUM PRECIPITATION IN MM. 16.0 10.0 13.0 34.0 14.9 7.3 0.1 2.2 1.0 7.8 1.8 14.0 34.0 DAY 17 11 10 19 13 7 8 12 18 7 26 28 MONTHLY TOTAL PRECIPITATION IN MM. 64.5 33.8 74.7 89.2 57.6 21.7 0.1 2.5 1.0 11.8 1.8 49.2 407.9 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 42.4 41.3 0.9 15.4 NO. OF DAYS WITH PRECIPITATION. 13 10 19 14 13 9 1 3 1 3 1 8 95 NO. OF DAYS PRECIPITATION EQUAL 8 8 9 13 10 5 0 1 1 3 1 7 66 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 2 3 2 2 0 0 0 0 0 0 3 14 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 85 84 85 82 81 72 60 62 59 69 66 86 74 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 63 58 62 56 54 38 26 29 24 32 34 68 45 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 75 72 75 64 62 47 29 34 32 45 47 78 55 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 13 12 8 0 0 0 0 0 0 0 3 2 38 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 8 2 3 0 0 0 0 0 0 0 0 0 13 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 11 27 8 1 0 0 0 47 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 26 24 23 1 0 0 0 0 0 3 11 18 106 DATE OF START AND END FREEZING START = 17 OCT. END = 20 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1993 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. -1.7 1.0 5.3 13.4 17.0 21.6 23.4 22.1 20.4 11.4 4.8 3.4 11.8 AVERAGE OF MINIMUM TEMPERATURE IN C. -6.2 -2.8 0.5 7.0 11.2 14.2 16.1 14.3 12.3 4.0 0.2 -1.8 5.7 AVERAGE OF MAXIMUM TEMPERATURE IN C. 2.8 4.9 10.1 19.8 22.9 29.0 30.7 29.8 28.6 18.8 9.4 8.6 17.9 DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.0 7.7 9.6 12.8 11.7 14.8 14.6 15.5 16.3 14.8 9.2 10.4 12.2 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.43 3.34 4.14 5.85 8.17 9.38 9.75 8.25 7.31 4.25 4.36 3.59 5.90 MEAN OF MIXING RATIO AT 09 GMT. 2.69 3.73 3.99 5.70 7.71 8.32 7.76 8.78 7.27 4.39 4.63 4.14 5.76 MEAN OF MIXING RATIO AT 15 GMT. 2.76 3.83 4.26 6.25 8.38 8.34 7.57 8.12 7.13 4.59 4.81 4.25 5.86 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -15.2 -13.0 -5.6 1.8 3.6 9.4 13.2 9.4 6.2 -3.6 -10.0 -9.6 -15.2 DAY 20 17 14 14 11 23 10 2 27 8 15 1 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 12.4 12.6 19.8 29.8 30.6 36.2 36.6 33.6 33.6 31.0 19.8 16.4 36.6 DAY 27 28 30 20 27 17 3 28 13 1 11 23 24 HOUR MAXIMUM PRECIPITATION IN MM. 4.0 23.6 12.1 16.0 36.8 4.4 0.2 0.3 1.0 2.7 12.0 9.0 36.8 DAY 31 5 9 13 8 1 8 23 8 30 29 6 MONTHLY TOTAL PRECIPITATION IN MM. 14.0 73.9 55.2 52.2 56.5 13.9 0.2 0.3 2.0 5.5 40.0 12.6 326.3 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 43.9 37.6 0.8 17.8 NO. OF DAYS WITH PRECIPITATION. 9 12 13 13 14 4 1 1 2 3 14 7 93 NO. OF DAYS PRECIPITATION EQUAL 6 9 10 10 8 4 0 0 2 2 7 2 60 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 3 2 1 1 0 0 0 0 0 2 0 9 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 77 85 84 76 75 68 62 60 64 64 88 86 74 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 56 67 55 45 46 35 27 32 30 33 63 62 46 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 68 77 63 55 56 41 30 35 37 44 76 76 55 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 21 9 5 0 0 0 0 0 0 0 4 5 44 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 10 3 0 0 0 0 0 0 0 0 2 2 17 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 1 15 19 17 13 1 0 0 66 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 29 24 14 0 0 0 0 0 0 4 16 26 113 DATE OF START AND END FREEZING START = 8 OCT. END = 26 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1994 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 1.9 0.6 7.8 12.5 18.1 21.9 24.1 24.2 15.9 12.0 10.3 1.9 12.6 AVERAGE OF MINIMUM TEMPERATURE IN C. -2.8 -4.3 2.2 5.8 10.8 14.2 16.4 16.1 7.6 5.8 4.6 -3.1 6.1 AVERAGE OF MAXIMUM TEMPERATURE IN C. 6.6 5.4 13.3 19.2 25.4 29.6 31.8 32.3 24.1 18.1 16.0 6.9 19.1 DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.4 9.7 11.1 13.4 14.6 15.4 15.4 16.2 16.5 12.3 11.4 10.0 12.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.37 3.15 4.84 5.74 6.93 8.91 9.20 9.17 4.42 5.81 5.68 3.37 5.88 MEAN OF MIXING RATIO AT 09 GMT. 3.88 3.31 5.05 5.28 5.72 7.86 7.73 7.42 4.04 5.91 6.00 3.65 5.49 MEAN OF MIXING RATIO AT 15 GMT. 3.93 3.50 5.30 5.67 6.28 7.83 7.66 7.58 3.84 6.25 6.13 3.46 5.62 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -8.6 -11.6 -2.6 -4.6 4.4 9.4 13.4 12.8 4.0 0.4 0.2 -10.6 -11.6 DAY 22 11 2 5 19 7 3 18 17 27 12 8 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 16.0 15.2 23.0 31.0 31.6 35.4 35.0 37.0 28.4 25.0 22.4 17.6 37.0 DAY 5 27 22 26 28 16 31 1 12 19 5 20 24 HOUR MAXIMUM PRECIPITATION IN MM. 8.6 7.0 17.8 12.0 6.0 1.0 0.6 0.0 0.0 19.6 13.1 13.0 19.6 DAY 6 9 13 18 6 15 13 ** ** 23 18 1 MONTHLY TOTAL PRECIPITATION IN MM. 41.8 26.3 48.3 37.7 9.7 2.3 0.6 0.0 0.0 51.8 20.7 25.0 264.2 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 44.1 18.8 0.2 36.9 NO. OF DAYS WITH PRECIPITATION. 12 11 13 8 8 3 1 0 0 6 8 9 79 NO. OF DAYS PRECIPITATION EQUAL 8 8 9 5 2 1 0 0 0 5 4 6 48 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 2 2 0 0 0 0 0 3 1 1 9 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 86 87 87 77 62 64 59 61 51 82 85 83 74 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 67 62 56 40 29 30 26 24 21 46 54 54 42 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 78 72 65 48 38 36 31 29 26 60 67 66 51 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 10 13 0 1 0 0 0 0 0 0 0 15 39 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 1 0 0 0 0 0 2 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 5 0 0 0 0 0 0 0 0 0 4 9 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 2 3 13 25 28 0 0 0 0 71 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 26 27 6 5 0 0 0 0 0 0 0 23 87 DATE OF START AND END FREEZING START = 5 DEC. END = 9 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1995 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 3.0 3.5 6.8 13.7 17.3 21.6 26.0 24.8 19.0 12.2 9.9 1.5 13.3 AVERAGE OF MINIMUM TEMPERATURE IN C. -2.5 -2.1 0.7 7.3 10.0 13.8 18.4 16.6 11.1 4.8 2.2 -3.5 6.4 AVERAGE OF MAXIMUM TEMPERATURE IN C. 8.4 9.0 13.0 20.1 24.7 29.3 33.5 33.0 26.9 19.6 17.6 6.5 20.1 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.9 11.1 12.3 12.8 14.7 15.5 15.1 16.4 15.8 14.8 15.4 10.0 13.7 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.44 3.75 4.21 6.09 5.79 7.75 9.00 7.58 5.59 5.30 3.59 2.98 5.42 MEAN OF MIXING RATIO AT 09 GMT. 3.76 4.01 4.37 5.74 5.18 6.26 7.17 6.37 4.83 4.53 3.24 3.25 4.89 MEAN OF MIXING RATIO AT 15 GMT. 3.91 4.12 4.64 5.80 5.16 6.20 7.44 6.72 5.05 5.26 3.53 3.44 5.11 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -8.6 -13.0 -5.4 2.0 5.0 9.0 13.8 12.4 6.0 -6.0 -5.6 -7.6 -13.0 DAY 20 26 7 7 21 1 26 8 23 19 29 21 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 15.4 15.0 22.0 29.6 33.0 38.0 40.6 38.2 33.6 30.0 25.0 13.8 40.6 DAY 17 4 25 4 7 30 16 12 20 4 11 31 24 HOUR MAXIMUM PRECIPITATION IN MM. 21.0 17.0 23.0 6.0 3.0 5.0 2.0 0.0 5.0 16.0 7.0 2.0 23.0 DAY 18 24 18 18 28 8 5 ** 22 17 26 5 MONTHLY TOTAL PRECIPITATION IN MM. 37.0 37.6 37.3 40.0 6.2 6.8 2.0 0.0 13.3 20.7 8.1 4.8 213.8 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 52.3 24.8 7.2 15.7 NO. OF DAYS WITH PRECIPITATION. 8 8 9 15 6 3 1 0 5 2 3 6 66 NO. OF DAYS PRECIPITATION EQUAL 6 6 7 11 2 2 1 0 4 2 2 2 45 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 1 1 0 0 0 0 0 0 1 0 0 4 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 87 91 84 75 53 55 52 48 55 76 64 83 69 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 56 58 49 43 25 26 22 20 24 33 29 52 36 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 73 68 60 50 30 30 26 25 31 47 42 67 46 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 7 9 4 0 0 0 0 0 0 1 3 14 38 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 5 0 0 0 0 0 5 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 1 1 0 0 0 0 0 0 0 0 0 2 4 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 2 13 28 27 9 1 0 0 80 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 1 0 0 0 0 0 1 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 28 16 12 0 0 0 0 0 0 5 10 28 99 DATE OF START AND END FREEZING START = 18 OCT. END = 28 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1996 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. -0.5 1.6 5.2 11.2 17.5 21.9 23.9 22.6 21.6 13.6 6.4 5.4 12.5 AVERAGE OF MINIMUM TEMPERATURE IN C. -5.9 -3.2 1.2 5.6 10.9 14.6 16.8 14.5 13.4 6.6 0.3 -0.6 6.2 AVERAGE OF MAXIMUM TEMPERATURE IN C. 4.9 6.4 9.1 16.9 24.0 29.2 31.0 30.6 29.8 20.6 12.4 11.4 18.9 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.8 9.6 7.9 11.3 13.1 14.6 14.2 16.1 16.4 14.0 12.1 12.0 12.7 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.57 3.06 4.55 5.73 7.21 8.43 8.89 5.80 6.66 5.23 3.72 3.36 5.43 MEAN OF MIXING RATIO AT 09 GMT. 2.94 3.70 4.99 5.91 6.65 6.43 6.23 4.91 6.38 4.70 3.87 3.58 5.02 MEAN OF MIXING RATIO AT 15 GMT. 3.02 3.70 4.98 6.07 6.72 6.28 5.92 4.85 6.59 5.24 4.26 3.71 5.11 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -13.2 -13.4 -8.6 -3.6 3.4 10.0 13.2 5.0 7.8 -0.6 -6.6 -7.6 -13.4 DAY 12 4 1 5 3 18 15 31 1 3 14 6 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 15.4 14.0 21.0 24.4 32.0 35.4 35.0 36.4 36.6 28.0 19.4 18.2 36.6 DAY 6 18 31 13 17 5 8 27 8 14 7 29 24 HOUR MAXIMUM PRECIPITATION IN MM. 4.0 18.1 13.0 15.0 7.0 1.7 2.0 0.3 10.0 4.0 28.0 9.0 28.0 DAY 9 3 5 29 1 26 13 14 24 15 12 15 MONTHLY TOTAL PRECIPITATION IN MM. 9.1 50.8 65.2 43.7 28.5 1.7 2.0 0.3 10.0 12.4 28.4 14.4 266.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 46.9 27.7 4.6 20.7 NO. OF DAYS WITH PRECIPITATION. 6 10 18 14 12 1 1 1 1 7 3 5 79 NO. OF DAYS PRECIPITATION EQUAL 3 7 13 5 7 1 1 0 1 5 1 3 47 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 2 1 2 0 0 0 0 1 0 1 0 7 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 80 79 88 76 65 59 55 41 56 70 78 74 68 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 51 62 68 48 37 26 21 17 27 35 44 42 40 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 64 72 73 59 43 29 23 21 34 46 61 58 49 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 19 12 2 0 0 0 0 0 0 0 2 6 41 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 9 3 0 0 0 0 0 0 0 0 0 0 12 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 5 12 27 19 15 0 0 0 78 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 26 23 8 3 0 0 0 0 0 1 19 15 95 DATE OF START AND END FREEZING START = 3 OCT. END = 7 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1997 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 2.3 0.3 4.7 13.3 16.7 22.4 25.5 24.0 19.9 15.6 7.0 3.7 12.9 AVERAGE OF MINIMUM TEMPERATURE IN C. -2.7 -5.5 -0.3 6.8 9.9 15.1 17.7 15.8 11.7 8.2 1.8 -0.9 6.5 AVERAGE OF MAXIMUM TEMPERATURE IN C. 7.2 6.1 9.7 19.9 23.4 29.7 33.3 32.3 28.1 23.0 12.1 8.3 19.4 DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.9 11.6 10.0 13.1 13.5 14.6 15.6 16.5 16.4 14.8 10.3 9.2 13.0 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.20 2.95 4.01 5.92 7.71 10.05 9.23 7.31 6.54 5.67 4.68 3.87 5.93 MEAN OF MIXING RATIO AT 09 GMT. 3.43 3.45 4.32 5.65 6.65 8.09 7.22 6.05 6.32 5.67 4.99 4.01 5.49 MEAN OF MIXING RATIO AT 15 GMT. 3.61 3.53 4.31 5.96 6.91 8.44 7.14 6.04 6.26 6.50 5.54 4.29 5.71 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -14.6 -16.0 -9.4 -0.8 4.6 11.0 13.8 10.2 7.6 3.8 -3.8 -6.4 -16.0 DAY 30 2 9 12 7 5 1 27 18 21 26 29 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 16.0 17.0 22.0 27.8 33.0 34.4 38.8 37.6 38.0 31.6 20.6 14.6 38.8 DAY 9 22 24 28 29 14 15 14 2 3 4 10 24 HOUR MAXIMUM PRECIPITATION IN MM. 13.0 7.3 18.2 16.0 9.0 18.0 0.3 0.0 0.9 7.0 22.9 4.3 22.9 DAY 28 1 14 29 5 20 4 ** 15 24 1 17 MONTHLY TOTAL PRECIPITATION IN MM. 32.2 21.0 73.5 32.7 51.9 70.2 0.3 0.0 0.9 26.7 39.7 11.1 360.2 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 35.2 43.0 0.3 21.5 NO. OF DAYS WITH PRECIPITATION. 7 9 13 10 12 11 1 0 1 8 9 7 88 NO. OF DAYS PRECIPITATION EQUAL 4 4 10 5 11 9 0 0 0 6 5 4 58 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 0 4 1 0 4 0 0 0 0 1 0 11 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 81 85 86 75 73 67 53 49 60 67 87 87 73 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 54 58 62 41 39 31 23 19 28 33 54 58 42 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 67 75 68 50 47 38 25 23 33 48 71 74 52 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 9 16 4 0 0 0 0 0 0 0 0 3 32 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 2 0 0 0 0 0 2 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 2 3 0 0 0 0 0 0 0 0 0 0 5 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 3 18 28 25 13 2 0 0 89 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 25 23 20 1 0 0 0 0 0 0 9 21 99 DATE OF START AND END FREEZING START = 8 NOV. END = 12 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1998 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. -0.8 -0.4 6.2 14.7 17.1 22.2 24.9 24.0 19.7 14.2 10.4 7.0 13.3 AVERAGE OF MINIMUM TEMPERATURE IN C. -4.8 -5.0 0.3 8.3 10.4 14.7 17.8 16.9 11.7 6.4 3.9 1.2 6.8 AVERAGE OF MAXIMUM TEMPERATURE IN C. 3.2 4.3 12.0 21.2 23.7 29.6 32.1 31.1 27.7 21.9 16.9 12.9 19.7 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.0 9.3 11.7 12.9 13.3 14.9 14.3 14.2 16.0 15.5 13.0 11.7 12.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.14 3.06 4.31 6.66 7.57 8.68 9.60 9.39 6.49 5.30 4.76 4.42 6.12 MEAN OF MIXING RATIO AT 09 GMT. 3.53 3.54 4.45 6.38 7.45 6.84 8.22 8.14 6.21 5.42 5.05 4.60 5.82 MEAN OF MIXING RATIO AT 15 GMT. 3.50 3.64 4.77 6.64 7.62 6.78 7.80 7.56 6.50 5.77 5.33 4.95 5.90 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -13.4 -13.0 -14.6 2.2 3.0 10.6 14.0 13.4 6.2 -1.0 -0.6 -3.0 -14.6 DAY 11 18 3 2 4 12 25 31 13 10 27 23 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 10.2 16.4 23.0 30.8 31.4 37.0 36.8 35.0 34.0 30.4 25.4 25.2 37.0 DAY 1 8 29 18 21 28 6 27 2 1 1 11 24 HOUR MAXIMUM PRECIPITATION IN MM. 14.0 22.0 13.0 25.7 17.3 4.0 2.0 0.9 1.3 9.0 0.0 12.0 25.7 DAY 10 9 2 6 30 4 24 2 11 25 ** 2 MONTHLY TOTAL PRECIPITATION IN MM. 56.3 95.4 44.9 77.4 58.9 5.4 2.2 1.5 1.3 13.0 0.0 17.0 373.3 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 52.7 38.0 1.3 8.0 NO. OF DAYS WITH PRECIPITATION. 15 13 9 8 11 3 2 3 1 3 0 3 71 NO. OF DAYS PRECIPITATION EQUAL 11 11 7 7 6 1 1 0 1 3 0 2 50 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 5 1 3 3 0 0 0 0 0 0 1 14 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 88 88 84 78 72 60 58 61 59 70 77 84 73 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 70 70 54 43 43 26 27 29 27 34 44 53 43 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 81 79 62 49 47 27 29 31 33 45 56 67 51 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 17 19 7 0 0 0 0 0 0 0 0 0 43 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 4 0 0 0 0 0 4 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 5 9 3 0 0 0 0 0 0 0 0 0 17 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 1 2 12 25 23 9 2 0 0 74 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 29 25 11 0 0 0 0 0 0 2 1 8 76 DATE OF START AND END FREEZING START = 10 OCT. END = 17 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 1999 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 1.7 6.4 6.6 11.6 16.8 22.5 22.9 24.3 19.5 14.5 5.8 5.1 13.2 AVERAGE OF MINIMUM TEMPERATURE IN C. -2.5 0.8 1.6 5.2 9.8 14.9 15.8 16.2 11.4 6.8 1.4 -0.7 6.7 AVERAGE OF MAXIMUM TEMPERATURE IN C. 6.0 12.1 11.5 18.1 23.7 30.2 30.1 32.4 27.5 22.2 10.2 10.9 19.6 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.5 11.3 9.9 12.9 13.9 15.3 14.3 16.2 16.1 15.4 8.8 11.6 12.8 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.58 4.05 4.52 5.55 7.06 7.94 9.09 6.87 6.81 5.12 4.71 3.81 5.76 MEAN OF MIXING RATIO AT 09 GMT. 3.89 4.07 4.53 5.34 6.88 6.73 7.70 5.84 6.50 5.80 4.93 4.20 5.54 MEAN OF MIXING RATIO AT 15 GMT. 3.99 4.28 4.67 5.62 6.61 6.41 7.44 5.85 5.86 5.75 5.04 4.47 5.50 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -11.4 -3.2 -5.6 -0.2 5.2 11.0 11.0 12.6 3.0 0.8 -6.0 -5.6 -11.4 DAY 3 1 19 24 23 18 14 16 29 26 30 2 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 15.0 20.0 19.4 25.6 32.8 36.6 35.4 37.4 35.2 30.2 17.6 16.4 37.4 DAY 16 27 26 14 31 29 4 29 13 12 25 29 24 HOUR MAXIMUM PRECIPITATION IN MM. 22.0 13.5 20.0 10.0 8.8 0.0 4.8 1.1 3.0 8.0 19.2 20.0 22.0 DAY 1 21 2 22 11 ** 28 31 28 25 2 17 MONTHLY TOTAL PRECIPITATION IN MM. 66.5 43.4 53.2 41.0 21.8 0.0 16.4 1.1 3.4 11.8 64.5 28.0 351.1 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 46.5 17.9 6.0 29.7 NO. OF DAYS WITH PRECIPITATION. 12 8 12 12 6 0 7 1 2 4 16 2 82 NO. OF DAYS PRECIPITATION EQUAL 7 6 7 10 4 0 6 1 1 3 12 2 59 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 1 1 1 0 0 0 0 0 0 3 1 9 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 87 79 85 79 70 55 62 46 63 68 88 85 72 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 66 49 55 44 40 25 29 18 30 37 63 52 42 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 75 60 64 52 43 26 32 21 33 46 73 69 50 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 10 0 3 0 0 0 0 0 0 0 1 3 17 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 1 1 0 0 0 0 2 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 1 0 0 0 0 0 0 0 0 0 0 0 1 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 4 14 16 28 11 1 0 0 74 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 25 14 10 1 0 0 0 0 0 0 13 19 82 DATE OF START AND END FREEZING START = 2 NOV. END = 24 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE YEAR 2000 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 1.6 0.8 7.0 16.8 20.4 21.7 23.7 23.7 21.2 13.3 5.5 4.4 13.3 AVERAGE OF MINIMUM TEMPERATURE IN C. -3.5 -4.3 0.9 9.2 12.2 14.2 16.5 15.6 13.7 7.3 0.6 -0.2 6.8 AVERAGE OF MAXIMUM TEMPERATURE IN C. 6.6 6.0 13.0 24.5 28.7 29.2 30.9 31.8 28.7 19.3 10.4 9.0 19.9 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.1 10.3 12.1 15.3 16.5 15.0 14.4 16.2 15.0 12.0 9.8 9.2 13.0 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.12 3.10 3.96 6.61 8.12 7.39 7.58 6.80 7.36 6.14 4.08 3.95 5.68 MEAN OF MIXING RATIO AT 09 GMT. 3.47 3.77 4.33 7.02 8.58 6.84 6.17 5.30 6.33 6.52 4.25 4.42 5.58 MEAN OF MIXING RATIO AT 15 GMT. 3.65 3.74 4.58 6.49 7.14 6.67 6.21 5.58 7.11 6.24 4.47 4.41 5.52 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -11.4 -13.4 -6.0 3.0 6.0 6.2 12.0 13.0 9.4 3.8 -5.2 -4.0 -13.4 DAY 19 9 16 1 11 14 26 11 27 16 12 31 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 21.6 14.4 22.4 31.8 32.8 36.2 35.0 35.4 32.8 25.0 17.2 17.2 36.2 DAY 2 24 23 10 9 24 8 29 7 12 2 31 24 HOUR MAXIMUM PRECIPITATION IN MM. 26.0 15.0 14.0 1.0 4.0 17.0 0.6 0.0 3.0 17.0 19.0 16.0 26.0 DAY 30 8 3 23 22 13 9 ** 24 15 6 16 MONTHLY TOTAL PRECIPITATION IN MM. 60.0 52.1 33.4 2.6 4.1 21.0 0.6 0.0 4.2 20.4 46.3 26.7 271.4 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 53.6 10.2 1.8 34.4 NO. OF DAYS WITH PRECIPITATION. 8 8 11 6 2 2 1 0 3 3 8 6 58 NO. OF DAYS PRECIPITATION EQUAL 6 8 5 1 1 2 0 0 2 2 5 4 36 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 3 1 0 0 1 0 0 0 1 3 1 12 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 84 87 80 72 67 54 47 47 63 81 85 86 71 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 58 66 49 36 35 27 21 17 26 47 53 62 41 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 72 75 59 40 36 30 24 21 35 55 67 73 49 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 15 13 1 0 0 0 0 0 0 0 3 1 33 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 1 0 0 0 0 0 2 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 3 2 0 0 0 0 0 0 0 0 0 0 5 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 4 14 17 22 23 17 0 0 0 97 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 26 24 14 0 0 0 0 0 0 0 15 16 95 DATE OF START AND END FREEZING START = 8 NOV. END = 18 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE PERIOD 1961 TO 2000 PAGE 1 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPE. IN C. -0.8 0.7 5.5 12.3 16.8 21.6 23.5 22.2 18.8 12.9 7.2 2.2 11.9 SD OF MEAN DAILY TEMPERATURE IN C. 2.48 2.78 2.14 2.57 1.77 1.28 1.77 2.10 1.88 1.82 2.10 2.92 2.13 AVERAGE OF MINIMUM TEMPERATURE IN C. -6.1 -4.8 -0.0 5.6 9.6 13.6 15.6 14.1 10.5 5.5 0.8 -3.2 5.1 AVERAGE OF MAXIMUM TEMPERATURE IN C. 4.6 6.2 11.0 19.0 23.9 29.6 31.5 30.3 27.0 20.4 13.5 7.7 18.7 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.7 11.0 11.0 13.4 14.3 16.0 15.9 16.3 16.5 15.0 12.7 10.9 13.6 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.77 3.08 4.24 6.00 7.53 8.78 9.26 8.35 6.82 5.30 4.20 3.34 5.80 MEAN OF MIXING RATIO AT 09 GMT. 3.57 3.87 4.93 6.32 7.43 8.10 8.21 8.03 7.40 6.21 4.82 4.10 6.08 MEAN OF MIXING RATIO AT 15 GMT. 3.18 3.62 4.71 6.20 7.35 7.70 7.92 7.42 6.90 5.98 4.78 3.85 5.80 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -24.0 -30.0 -21.5 -10.5 -1.5 0.0 2.0 2.0 -2.5 -8.0 -12.0 -20.2 -30.0 YEAR - DAY 77-15 74- 7 76- 3 76- 2 79- 1 61- 9 65-22 65-13 73-27 61-29 79-24 90-27 74- 7 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 21.6 20.0 29.8 31.8 34.2 38.5 40.6 41.5 38.0 32.4 26.5 25.2 41.5 YEAR - DAY 0- 2 99-27 77-21 0-10 87-24 75-29 95-16 75-10 97- 2 85- 1 74- 4 98-11 75-10 24 HOUR MAXIMUM PRECIPITATION IN MM. 34.8 38.5 31.0 56.0 37.1 18.0 12.0 10.0 46.0 25.0 28.0 23.0 56.0 YEAR - DAY 64- 4 64-27 61-13 76-22 81- 3 97-20 87- 4 85-18 65-22 77-22 96-12 86- 2 76-22 MONTHLY TOTAL PRECIPITATION IN MM. 39.8 44.1 53.2 47.6 31.8 9.3 2.7 1.3 5.9 19.1 23.5 29.0 307.3 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 44.6 28.9 3.2 23.3 NO. OF DAYS WITH PRECIPITATION. 9 9 11 10 7 2 1 1 1 4 5 7 67 NO. OF DAYS PRECIPITATION EQUAL 6 7 8 7 5 2 1 0 1 3 4 5 49 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 1 2 1 1 0 0 0 0 1 1 1 9 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 79 80 82 76 69 60 56 57 61 70 76 80 71 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 66 64 60 47 41 31 28 29 33 42 50 61 46 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 74 73 69 58 51 37 34 34 41 53 64 74 55 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 19 14 6 1 0 0 0 0 0 0 3 11 54 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 1 0 0 0 0 0 1 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 6 4 1 0 0 0 0 0 0 0 0 3 14 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 1 3 15 23 18 8 1 0 0 69 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 29 23 15 2 0 0 0 0 0 3 13 23 108 DATE OF START AND END FREEZING START = 19 SEP. END = 9 JUNE IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOUCHAN LATITUDE 37 10 N DATA PROCESSING CENTER LONGITUDE 58 30 E ELEVATION 1320 MET. MEAN AND EXTREMES FOR THE PERIOD 1961 TO 2000 PAGE 2 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE DRY BULB TEMPERATURE. IN C. -0.9 0.8 5.6 12.7 17.7 23.3 25.2 23.6 19.6 13.3 7.3 2.1 12.5 AVERAGE DEW POINT TEMPERATURE. IN C. -5.5 -4.1 -0.2 4.0 6.7 8.1 8.4 7.2 5.5 3.0 -0.2 -3.1 2.5 AVERAGE OF MIXING RATIO IN G/KG 3.17 3.52 4.62 6.17 7.43 8.19 8.46 7.93 7.03 5.82 4.60 3.76 5.89 AVERAGE OF VAPOUR PRESSURE HPA 4.36 4.85 6.37 8.51 10.25 11.31 11.68 10.95 9.71 8.04 6.34 5.18 8.13 AVERAGE OF SATURATION DEFICIT IN HPA 1.83 2.19 3.44 7.42 11.22 18.58 21.80 19.62 14.71 8.50 4.65 2.52 9.71 AVERAGE RELATIVE HUMIDITY IN PERCENT 73 72 70 60 53 43 39 40 45 55 64 72 57 AVERAGE OF MAXIMUM RELATIVE HUMIDITY(%) 84 84 85 78 71 61 57 58 63 73 79 84 73 AVERAGE OF MINIMUM RELATIVE HUMIDITY(%) 61 60 57 45 39 29 27 27 31 39 48 58 43 NO. OF DAYS PRECIPITATION EQUAL 3 3 4 3 2 1 0 0 0 1 2 2 21 OR MORE THAN 5 MM.