IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 1 STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 MET. AVERAGE OF MEAN DAILY TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MAX-MIN 1964 ****** 2.6 7.8 9.9 15.8 20.9 24.7 ****** ****** ****** ****** 1.3 ****** 1965 ****** 1.9 7.1 9.8 16.3 19.6 21.9 20.0 17.4 14.3 8.8 3.5 ****** 1966 6.0 3.6 5.7 11.2 16.5 21.1 21.4 21.5 20.0 16.1 6.8 2.5 19.0 1967 -0.3 0.6 4.1 8.4 15.3 17.2 18.0 16.3 ****** ****** ****** ****** ****** 1968 0.3 -1.9 7.7 ****** 15.6 19.8 20.4 20.7 17.0 12.6 8.7 3.2 ****** 1969 0.0 1.8 9.3 9.3 14.9 19.2 21.6 20.1 15.9 14.0 6.9 5.4 21.6 1970 1.8 0.5 5.9 12.8 15.7 22.3 21.8 22.1 17.7 11.8 10.0 1.2 21.8 1971 -4.6 -1.7 7.6 10.0 15.0 17.3 22.9 21.1 15.8 12.4 8.3 1.6 27.5 1972 -2.2 -5.4 4.3 10.5 14.4 20.2 23.6 20.6 19.8 14.0 11.7 0.4 29.0 1973 -2.5 3.7 7.1 13.5 17.2 21.6 23.8 21.8 20.7 15.5 7.6 4.3 26.3 1974 -3.7 -1.3 9.0 13.7 18.0 21.5 22.0 22.0 19.1 13.2 6.7 1.4 25.7 1975 -0.2 1.8 7.6 12.1 18.0 21.3 24.0 23.5 18.9 13.2 6.9 1.4 24.2 1976 0.7 -1.1 2.8 11.0 15.3 20.9 24.4 22.0 18.6 14.5 6.6 3.0 25.5 1977 -3.4 3.1 11.2 10.8 16.3 22.4 25.2 22.7 19.1 13.5 6.8 4.2 28.6 1978 2.2 3.7 6.7 12.8 16.5 20.3 21.3 21.9 18.0 13.6 5.0 6.3 19.7 1979 1.1 5.4 5.5 14.4 15.1 20.9 ****** 20.0 17.4 14.4 ****** -1.0 ****** 1980 -0.3 1.1 6.0 13.0 16.1 20.6 21.4 21.3 17.3 13.1 8.1 3.4 21.7 1981 1.2 2.5 7.3 10.9 15.3 19.1 21.7 21.5 15.6 10.1 7.2 4.0 20.5 1982 -1.2 -1.0 2.6 11.5 16.5 20.6 21.8 22.8 17.8 13.1 5.4 -1.5 24.3 1983 -1.4 -0.6 3.4 9.6 17.2 21.0 23.8 23.5 20.4 12.2 8.2 2.1 25.2 1984 ****** 0.9 6.7 12.0 13.8 20.9 21.3 22.4 17.4 11.1 8.2 0.8 ****** 1985 0.9 2.7 7.2 12.6 16.0 21.5 23.2 20.9 19.9 13.6 8.5 1.0 22.3 1986 1.4 1.3 3.8 10.7 15.8 20.2 21.7 20.5 16.9 14.2 5.1 -1.3 23.0 1987 1.1 3.0 5.5 12.4 19.2 21.6 21.5 21.3 19.2 12.4 7.7 2.8 20.5 1988 0.5 -0.4 6.8 11.6 17.3 21.0 23.4 22.2 18.1 14.4 7.4 ****** ****** 1989 -5.1 -1.9 5.3 10.4 15.2 21.4 22.8 21.6 17.1 12.9 6.6 1.8 27.9 1990 -2.1 1.2 5.2 10.8 17.1 21.3 22.9 23.0 18.7 12.8 8.2 2.4 25.1 1991 0.4 1.3 5.6 11.9 15.4 21.4 23.1 21.7 18.3 12.1 6.6 ****** ****** 1992 -3.6 -2.7 2.1 9.4 13.9 18.7 21.8 19.9 16.0 1.9 7.8 2.1 25.4 1993 -0.3 1.0 4.4 10.9 14.4 18.4 21.0 20.2 18.0 11.7 7.7 2.7 21.3 1994 0.1 1.5 6.7 11.4 15.4 20.8 24.9 23.8 16.0 12.0 8.0 0.9 24.8 1995 2.6 2.0 5.4 11.0 14.4 18.8 23.5 22.2 17.8 13.0 8.3 -2.2 25.7 1996 -3.0 4.2 5.2 11.4 16.1 21.0 21.2 21.2 19.0 14.8 6.3 0.9 24.2 1997 -0.1 0.1 2.2 10.7 13.4 20.5 24.6 23.3 18.8 14.0 6.2 0.2 24.7 1998 -2.8 1.1 4.8 10.0 16.5 20.1 22.7 21.6 19.3 13.5 8.0 9.0 25.5 1999 2.5 4.6 4.2 8.6 15.5 21.8 22.7 21.9 21.2 14.4 7.3 3.7 20.2 2000 1.4 0.9 4.7 13.3 17.7 20.6 22.7 22.1 20.3 14.3 6.4 4.2 21.8 2001 0.7 2.4 6.4 12.9 16.5 21.0 24.3 22.2 19.1 13.7 6.8 3.9 23.6 2002 1.4 2.8 5.6 9.5 18.5 20.3 23.1 22.9 20.0 14.7 6.1 1.8 21.7 2003 1.1 4.3 4.9 12.1 14.7 20.2 25.2 22.5 19.0 15.0 6.6 4.5 24.1 MEAN -0.3 1.3 5.8 11.3 15.9 20.5 22.7 21.6 18.3 13.1 7.4 2.3 23.0 SD 2.30 2.24 1.94 1.44 1.30 1.19 1.49 1.36 1.45 2.24 1.29 2.21 1.70 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 2 STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 MET. AVERAGE OF MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 -16.4 -3.9 0.8 2.9 6.8 10.6 14.6 12.5 8.1 1.8 -1.1 -10.2 2.2 1965 -7.6 -4.0 0.2 2.8 7.8 10.1 12.6 11.4 8.5 7.0 1.9 -4.5 3.9 1966 -1.0 -2.4 -1.4 4.7 9.2 13.2 12.0 12.1 10.5 7.6 -0.6 -4.4 5.0 1967 -7.0 -4.2 -2.5 1.1 8.2 6.5 6.2 4.7 4.8 ****** 1.0 -4.7 ****** 1968 -6.3 -8.7 0.3 1.8 6.9 10.0 11.2 11.6 6.9 3.9 1.6 -2.6 3.1 1969 -6.0 -4.2 3.6 3.0 6.6 9.6 11.7 11.5 8.3 6.7 -2.0 -3.8 3.8 1970 -6.2 -4.9 -1.8 4.0 6.6 13.0 12.4 12.7 7.8 2.4 0.4 -7.3 3.3 1971 -13.1 -9.7 0.5 2.2 6.5 7.4 9.8 9.3 5.9 1.8 0.8 -4.7 1.4 1972 -8.4 -13.3 -2.5 2.8 5.0 9.3 12.4 10.1 8.5 4.9 3.9 -6.3 2.2 1973 -9.3 -3.5 -0.4 4.7 6.4 9.4 11.9 10.1 9.0 4.2 -2.3 -4.9 2.9 1974 -11.0 -7.7 2.2 6.4 8.1 11.4 11.6 10.8 8.6 3.5 -3.8 -8.5 2.6 1975 -9.5 -6.8 -1.0 3.8 8.5 10.5 13.5 12.5 9.0 2.0 -1.8 -4.8 3.0 1976 -6.6 -8.0 -4.7 3.1 6.9 10.0 14.6 11.4 7.9 4.9 -0.9 -4.7 2.8 1977 -9.1 -5.4 3.4 3.2 6.7 11.6 15.2 12.1 7.7 4.9 -1.3 -1.1 4.0 1978 -6.2 -4.4 -0.8 3.9 5.7 8.6 10.4 9.8 5.8 3.0 -2.8 -0.8 2.7 1979 -7.1 -2.4 -3.3 5.1 6.9 9.9 ****** 9.3 5.7 3.7 ****** -7.4 ****** 1980 -7.0 -6.0 -0.3 5.3 6.4 9.8 10.4 10.4 5.9 3.0 0.3 -3.5 2.9 1981 -5.9 -3.2 1.0 3.4 7.1 9.7 11.9 11.8 6.1 1.6 -0.5 -3.8 3.3 1982 -7.4 -7.0 -5.0 2.9 8.7 10.1 11.2 12.2 6.8 4.8 -1.5 -8.2 2.3 1983 -7.1 -7.3 -3.1 2.5 9.0 10.9 13.7 13.5 9.9 1.8 -1.5 -4.9 3.1 1984 ****** -7.0 -0.5 3.5 5.7 11.6 11.8 12.0 6.7 1.4 1.0 -7.0 ****** 1985 -7.4 -4.3 -0.7 4.3 6.3 11.1 13.2 10.7 8.6 2.0 0.1 -6.0 3.2 1986 -7.7 -6.4 -2.8 3.9 7.8 10.3 12.5 11.1 6.1 4.7 -0.9 -8.1 2.5 1987 -7.1 -6.1 -1.3 4.0 10.5 11.8 12.2 11.8 8.7 4.2 -0.5 -3.3 3.7 1988 -6.6 -7.5 -0.8 3.5 7.8 11.6 14.1 12.8 7.2 4.3 -0.5 ****** ****** 1989 -11.9 -9.2 -2.2 2.3 6.5 11.7 13.0 11.8 6.1 2.6 -1.4 -5.0 2.0 1990 -8.5 -5.1 -2.8 2.6 8.8 11.5 13.5 13.3 7.9 2.7 -1.4 -5.5 3.1 1991 -6.7 -5.0 -0.7 3.8 7.0 12.6 13.0 11.0 7.0 3.6 -3.3 ****** ****** 1992 -9.8 -10.2 -4.8 2.1 6.3 9.0 12.0 9.8 5.1 -3.7 -0.6 -3.6 1.0 1993 -6.0 -5.4 -1.7 2.6 6.2 7.8 11.3 10.2 7.2 2.4 0.1 -5.9 2.4 1994 -7.4 -6.5 -0.9 3.2 7.2 11.2 15.5 13.8 6.1 3.8 2.5 -5.5 3.6 1995 -5.3 -5.5 -1.8 3.8 6.5 10.3 14.0 12.2 8.6 3.5 -0.7 -10.3 2.9 1996 -10.4 -1.7 -0.9 3.9 7.7 12.9 13.0 12.5 8.9 5.7 1.4 -6.4 3.9 1997 -8.2 -8.5 -6.2 3.7 6.5 12.1 16.0 14.0 9.1 5.4 0.2 -6.3 3.2 1998 -8.6 -2.9 -0.9 5.0 7.8 10.8 14.3 13.2 9.4 5.0 -1.3 1.9 4.5 1999 -2.9 -1.3 -2.6 0.3 5.9 11.0 13.8 12.8 11.8 4.5 -0.6 -5.6 3.9 2000 -5.9 -6.8 -3.8 4.5 9.5 10.2 11.7 11.5 9.7 5.1 0.5 -1.5 3.7 2001 -7.3 -5.1 -2.0 4.5 7.9 11.4 14.6 12.1 8.8 4.6 -2.0 -2.2 3.8 2002 -5.4 -5.7 -2.7 3.4 9.4 10.1 13.5 13.0 9.6 4.9 -1.4 -4.9 3.7 2003 -7.3 -1.8 -1.9 4.6 5.3 9.9 15.3 10.1 7.6 6.1 -2.5 -2.2 3.6 MEAN -7.7 -5.7 -1.4 3.5 7.3 10.5 12.7 11.5 7.8 3.8 -0.6 -5.0 3.1 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 3 STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 MET. AVERAGE OF MAXIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 ****** 9.1 14.7 16.9 24.9 31.2 34.7 ****** ****** ****** ****** 10.9 ****** 1965 ****** 7.8 14.0 16.8 24.8 29.1 31.2 28.6 26.2 21.5 15.7 11.5 ****** 1966 13.0 9.7 12.8 17.8 23.8 29.0 30.8 30.9 29.5 24.6 14.3 9.4 20.5 1967 6.4 5.5 10.8 15.8 22.3 27.9 29.8 27.8 ****** ****** ****** ****** ****** 1968 6.9 4.9 13.8 ****** 24.4 29.6 29.7 29.8 27.1 21.3 15.8 9.0 ****** 1969 6.0 7.9 15.0 15.6 23.2 28.8 31.4 28.8 23.4 21.4 15.9 14.5 19.3 1970 9.8 5.9 13.5 21.5 24.9 31.6 31.3 31.4 27.7 21.1 19.5 9.7 20.7 1971 3.9 6.3 14.7 17.8 23.5 27.3 36.1 32.8 25.7 23.0 15.9 7.9 19.6 1972 4.0 2.5 11.1 18.3 23.8 31.1 34.8 31.0 31.1 23.1 19.5 7.0 19.8 1973 4.2 10.9 14.7 22.3 28.0 33.9 35.7 33.6 32.3 26.8 17.4 13.5 22.8 1974 3.7 5.1 15.8 21.1 27.8 31.7 32.4 33.1 29.6 22.9 17.2 11.3 21.0 1975 9.1 10.4 16.3 20.4 27.5 32.1 34.6 34.5 28.8 24.4 15.7 7.6 21.8 1976 8.1 5.7 10.4 18.9 23.8 31.8 34.2 32.7 29.3 24.2 14.1 10.7 20.3 1977 2.3 11.5 18.9 18.4 25.9 33.2 35.2 33.2 30.6 22.1 14.8 9.6 21.3 1978 10.6 11.8 14.3 21.8 27.3 32.0 32.2 34.0 30.1 24.2 12.9 13.3 22.0 1979 9.1 13.2 14.2 23.7 23.0 31.9 34.3 30.7 29.1 25.1 17.1 5.5 21.4 1980 6.4 8.1 12.3 20.7 25.9 31.5 32.5 32.3 28.7 23.3 15.8 10.2 20.6 1981 8.3 8.2 13.6 18.4 23.5 28.6 31.6 31.2 25.2 18.6 14.9 11.8 19.5 1982 5.1 4.9 10.1 20.1 24.3 31.1 32.5 33.4 28.7 21.4 12.3 5.2 19.1 1983 4.4 6.0 10.0 16.8 25.4 31.2 33.9 33.6 31.0 22.6 17.8 9.0 20.1 1984 ****** 8.8 13.9 20.4 21.8 30.2 30.9 32.7 28.1 20.8 15.3 8.4 ****** 1985 9.2 10.2 15.1 20.9 25.6 31.8 33.3 31.1 31.2 25.1 16.7 8.2 21.5 1986 10.5 9.1 10.4 17.6 23.8 30.1 30.9 29.8 27.8 23.8 11.1 5.5 19.2 1987 9.2 12.2 12.2 20.9 27.9 31.5 30.8 30.8 29.6 20.7 16.0 8.9 20.9 1988 7.6 6.7 14.4 19.6 26.8 30.5 32.6 31.6 29.0 24.5 15.4 ****** ****** 1989 1.6 5.5 12.9 18.5 23.9 31.0 32.6 31.4 28.1 23.2 14.6 8.5 19.3 1990 4.3 7.6 13.2 19.0 25.4 31.0 32.2 32.8 29.6 22.8 17.8 10.3 20.5 1991 7.4 7.8 11.9 20.0 23.8 30.2 33.3 32.5 29.6 20.5 16.5 ****** ****** 1992 2.5 4.8 9.0 16.7 21.5 28.4 31.6 30.0 26.8 7.5 16.1 7.8 16.9 1993 5.3 7.4 10.6 19.1 22.5 29.0 30.8 30.1 28.8 21.0 15.3 11.3 19.3 1994 7.5 9.4 14.3 19.5 23.5 30.5 34.3 33.9 25.9 20.3 13.5 7.4 20.0 1995 10.5 9.6 12.6 18.2 22.3 27.3 33.0 32.2 27.0 22.4 17.2 5.9 19.9 1996 4.0 10.2 11.3 18.9 24.5 29.2 29.5 29.8 29.1 23.9 11.3 8.2 19.2 1997 7.6 8.7 10.5 16.7 20.8 28.9 33.2 32.7 28.5 22.6 12.2 6.7 19.1 1998 3.0 4.9 10.5 17.5 25.0 29.4 31.1 30.1 29.3 21.9 17.3 16.1 19.7 1999 8.0 10.6 11.0 16.9 25.1 32.6 31.6 30.9 30.5 24.3 15.2 12.9 20.8 2000 8.7 8.6 13.2 22.0 25.9 31.0 33.6 32.6 31.0 23.5 12.2 9.9 21.0 2001 8.7 9.9 14.8 21.3 25.1 30.6 34.0 32.2 29.5 22.8 15.7 10.1 21.2 2002 8.2 11.4 14.0 15.7 27.6 30.5 32.6 32.9 30.3 24.5 13.5 8.5 20.8 2003 9.5 10.5 11.6 19.6 24.2 30.6 35.1 34.9 30.4 23.9 15.8 11.1 21.4 MEAN 6.9 8.2 13.0 19.0 24.6 30.5 32.6 31.8 28.8 22.4 15.4 9.5 20.2 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 4 STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 MET. DIFFERENCE BETWEEN AVERAGE MAXIMUM AND MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 ****** 13.0 13.9 14.0 18.1 20.6 20.1 ****** ****** ****** ****** 21.1 ****** 1965 ****** 11.8 13.8 14.0 17.0 19.0 18.6 17.2 17.7 14.5 13.8 16.0 ****** 1966 14.0 12.1 14.2 13.1 14.6 15.8 18.8 18.8 19.0 17.0 14.9 13.8 15.5 1967 13.4 9.7 13.3 14.7 14.1 21.4 23.6 23.1 ****** ****** ****** ****** ****** 1968 13.2 13.6 13.5 ****** 17.5 19.6 18.5 18.2 20.2 17.4 14.2 11.6 ****** 1969 12.0 12.1 11.4 12.6 16.6 19.2 19.7 17.3 15.1 14.7 17.9 18.3 15.6 1970 16.0 10.8 15.3 17.5 18.3 18.6 18.9 18.7 20.0 18.7 19.1 17.0 17.4 1971 17.0 16.0 14.2 15.6 17.0 19.9 26.3 23.5 19.8 21.2 15.1 12.6 18.2 1972 12.4 15.8 13.6 15.5 18.8 21.9 22.4 20.9 22.6 18.2 15.6 13.3 17.6 1973 13.5 14.4 15.1 17.6 21.6 24.5 23.8 23.5 23.3 22.6 19.7 18.4 19.8 1974 14.7 12.8 13.6 14.7 19.7 20.3 20.8 22.3 21.0 19.4 21.0 19.8 18.3 1975 18.6 17.2 17.3 16.7 19.0 21.6 21.1 22.0 19.8 22.4 17.5 12.4 18.8 1976 14.7 13.7 15.1 15.8 16.9 21.8 19.6 21.3 21.4 19.3 15.0 15.4 17.5 1977 11.4 16.9 15.5 15.2 19.2 21.6 20.0 21.1 22.9 17.2 16.0 10.7 17.3 1978 16.8 16.2 15.1 17.9 21.6 23.4 21.8 24.2 24.3 21.2 15.7 14.1 19.4 1979 16.2 15.6 17.5 18.6 16.1 22.0 ****** 21.4 23.4 21.4 ****** 12.9 ****** 1980 13.4 14.1 12.6 15.4 19.5 21.8 22.1 21.9 22.8 20.3 15.5 13.7 17.8 1981 14.2 11.4 12.6 15.0 16.4 18.9 19.7 19.4 19.1 17.0 15.4 15.6 16.2 1982 12.5 11.9 15.1 17.2 15.6 21.0 21.3 21.2 21.9 16.6 13.8 13.4 16.8 1983 11.5 13.2 13.1 14.3 16.4 20.3 20.2 20.1 21.1 20.8 19.3 13.9 17.0 1984 ****** 15.8 14.4 16.9 16.1 18.6 19.1 20.7 21.4 19.4 14.3 15.4 ****** 1985 16.6 14.5 15.8 16.7 19.3 20.7 20.1 20.4 22.6 23.1 16.6 14.2 18.4 1986 18.2 15.5 13.2 13.7 16.0 19.8 18.4 18.7 21.7 19.1 12.0 13.6 16.7 1987 16.3 18.3 13.5 16.9 17.4 19.8 18.6 19.0 20.9 16.5 16.5 12.2 17.2 1988 14.2 14.2 15.2 16.1 19.0 18.9 18.5 18.8 21.8 20.2 15.9 ****** ****** 1989 13.5 14.7 15.1 16.2 17.4 19.3 19.6 19.6 22.0 20.6 16.0 13.5 17.3 1990 12.8 12.7 16.0 16.4 16.6 19.5 18.7 19.5 21.7 20.1 19.2 15.8 17.4 1991 14.1 12.8 12.6 16.2 16.8 17.6 20.3 21.5 22.6 16.9 19.8 ****** ****** 1992 12.3 15.0 13.8 14.6 15.2 19.4 19.6 20.2 21.7 11.2 16.7 11.4 15.9 1993 11.3 12.8 12.3 16.5 16.3 21.2 19.5 19.9 21.6 18.6 15.1 17.2 16.9 1994 14.9 15.9 15.2 16.3 16.3 19.3 18.8 20.1 19.8 16.5 11.0 12.9 16.4 1995 15.8 15.1 14.4 14.5 15.8 17.0 19.0 20.0 18.4 18.9 17.9 16.2 16.9 1996 14.4 11.9 12.2 15.0 16.8 16.3 16.5 17.3 20.2 18.2 9.8 14.6 15.3 1997 15.8 17.2 16.7 13.0 14.3 16.8 17.2 18.7 19.4 17.2 12.0 13.0 15.9 1998 11.6 7.8 11.4 12.5 17.2 18.6 16.8 16.9 19.9 16.9 18.6 14.2 15.2 1999 10.9 11.9 13.6 16.6 19.2 21.6 17.8 18.1 18.7 19.8 15.8 18.5 16.9 2000 14.6 15.4 17.0 17.5 16.4 20.8 21.9 21.1 21.3 18.4 11.7 11.4 17.3 2001 16.0 15.0 16.8 16.8 17.2 19.2 19.4 20.1 20.7 18.2 17.7 12.3 17.4 2002 13.6 17.1 16.7 12.3 18.2 20.4 19.1 19.9 20.7 19.6 14.9 13.4 17.2 2003 16.8 12.3 13.5 15.0 18.9 20.7 19.8 24.8 22.8 17.8 18.3 13.3 17.8 MEAN 14.3 14.0 14.4 15.5 17.4 20.0 19.9 20.3 20.9 18.6 15.9 14.5 17.1 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 5 STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 1.49 3.49 4.09 3.46 4.25 4.72 6.13 5.73 3.75 3.11 3.19 2.70 3.84 1965 3.03 3.80 3.65 4.10 4.71 4.64 6.03 5.88 4.56 5.45 3.99 3.05 4.41 1966 4.04 3.54 3.60 5.76 7.67 9.97 7.75 6.66 7.51 7.64 4.34 3.70 6.02 1967 2.41 3.29 3.39 4.54 8.27 6.12 6.04 7.52 6.40 4.44 3.71 2.66 4.90 1968 2.83 2.45 3.82 4.79 6.12 5.67 5.51 5.46 4.31 4.14 4.21 3.33 4.39 1969 2.50 2.82 4.86 4.79 6.18 6.65 7.56 7.03 6.02 5.05 3.63 3.03 5.01 1970 2.54 2.97 3.59 4.79 4.81 9.53 6.22 6.23 5.22 3.65 3.58 1.92 4.59 1971 0.75 1.53 4.23 4.64 5.44 5.28 5.81 5.48 4.68 4.05 3.80 2.17 3.99 1972 1.60 1.27 3.45 4.78 5.32 5.45 5.75 5.56 4.89 4.86 4.37 2.02 4.11 1973 1.89 3.01 3.54 4.60 5.10 5.42 6.24 6.12 5.89 4.57 2.84 2.43 4.30 1974 1.60 2.26 4.38 4.95 5.28 5.48 6.22 5.85 5.51 4.49 2.99 1.87 4.24 1975 1.83 2.39 3.61 4.59 5.29 5.26 5.72 5.45 4.78 3.99 3.21 2.92 4.09 1976 2.48 2.16 2.91 4.48 4.87 5.29 6.20 6.24 5.29 4.95 3.42 2.95 4.27 1977 2.21 2.66 4.32 4.42 5.05 5.03 5.65 4.96 4.70 4.81 3.40 3.65 4.24 1978 2.49 2.93 3.63 4.20 4.46 4.67 4.55 4.63 4.49 4.06 3.42 3.77 3.94 1979 2.65 3.53 3.11 4.73 5.20 4.92 5.46 4.47 4.51 4.10 3.41 2.67 4.06 1980 2.79 3.18 3.93 4.77 4.84 4.93 5.01 5.00 4.57 3.99 3.81 3.29 4.18 1981 2.80 3.34 3.99 4.58 4.71 4.56 4.87 4.67 4.35 4.12 3.52 2.86 4.03 1982 2.55 2.51 2.70 4.42 5.23 4.72 4.60 5.15 4.32 4.59 3.86 2.88 3.96 1983 2.64 2.62 3.19 4.18 5.55 5.26 5.16 5.44 4.94 3.54 3.15 3.03 4.06 1984 ****** 2.69 3.74 4.08 4.39 5.13 4.96 4.93 4.31 3.70 4.11 2.41 ****** 1985 2.30 2.86 3.60 4.26 4.57 4.78 4.88 4.94 4.58 4.03 3.70 2.66 3.93 1986 2.49 2.76 3.23 4.63 4.76 4.85 5.04 4.94 4.35 4.09 3.82 2.54 3.96 1987 2.57 2.66 3.74 3.98 4.78 4.89 5.39 5.70 5.04 4.69 3.42 3.35 4.18 1988 2.59 2.55 3.51 4.09 4.68 4.61 5.38 4.97 4.56 4.43 3.21 ****** ****** 1989 1.80 2.28 3.49 4.34 4.52 4.94 5.11 5.19 4.51 3.82 3.52 2.72 3.85 1990 2.26 2.70 3.15 3.82 4.55 4.62 5.10 5.29 4.56 4.15 2.93 2.50 3.80 1991 2.57 2.62 3.69 4.32 4.64 4.68 4.73 4.72 4.55 4.34 2.11 ****** ****** 1992 2.13 1.88 2.63 3.65 4.54 4.84 5.41 5.14 4.47 2.20 2.78 2.69 3.53 1993 2.39 2.59 3.01 3.87 4.38 4.54 4.83 4.75 4.64 3.64 3.36 2.20 3.68 1994 2.13 2.03 2.88 4.25 4.60 4.93 5.54 4.69 4.40 4.03 3.72 1.97 3.76 1995 1.98 2.05 3.02 4.18 4.58 4.92 5.06 4.86 4.84 3.89 3.08 1.66 3.68 1996 1.95 3.16 3.47 4.24 4.70 4.58 4.75 5.21 4.54 4.14 4.01 2.43 3.93 1997 2.05 1.94 2.07 5.04 5.43 7.12 7.37 5.77 3.62 4.40 4.27 2.88 4.33 1998 2.39 3.74 3.92 4.86 6.94 7.40 8.01 6.32 5.20 4.84 2.80 3.19 4.97 1999 3.51 3.92 3.92 4.48 5.79 5.95 7.00 6.90 5.29 3.96 3.77 2.46 4.74 2000 2.52 2.33 2.65 5.06 6.07 5.32 6.36 8.23 5.07 4.66 4.11 3.96 4.70 2001 2.61 3.12 4.31 4.93 5.86 5.61 5.92 6.72 5.39 4.23 3.32 3.96 4.66 2002 2.87 2.63 3.31 4.93 6.79 5.74 7.73 7.08 7.16 4.35 3.77 3.06 4.95 2003 2.77 3.72 3.90 4.80 4.83 7.46 9.00 6.78 5.68 4.87 3.79 3.56 5.10 MEAN 2.39 2.75 3.54 4.49 5.25 5.52 5.86 5.67 4.94 4.31 3.54 2.82 4.25 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 6 STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 3.48 3.32 3.79 3.81 3.87 7.38 9.17 8.66 5.60 5.32 4.72 4.47 5.30 1965 4.29 4.68 4.63 4.00 5.30 6.54 9.20 8.23 7.25 6.55 5.98 5.57 6.02 1966 6.55 4.53 4.16 5.80 10.27 18.42 14.07 13.64 13.53 8.71 5.32 4.98 9.17 1967 3.63 4.36 5.42 7.91 10.81 5.54 9.67 9.57 8.02 6.10 7.89 4.60 6.96 1968 3.91 3.81 4.47 4.80 6.50 8.48 7.74 8.04 5.75 5.67 4.69 4.58 5.70 1969 4.46 4.66 4.78 4.66 6.95 10.10 8.44 9.67 9.83 12.05 8.13 4.63 7.36 1970 4.40 4.96 5.02 6.42 6.52 13.49 8.23 9.09 6.99 5.70 4.70 4.05 6.63 1971 4.35 4.96 4.80 4.57 6.28 7.41 6.29 6.79 5.66 5.90 5.50 3.63 5.51 1972 3.47 3.48 4.90 4.71 5.69 6.88 9.31 8.39 7.68 7.04 5.81 3.68 5.92 1973 3.60 5.40 5.10 6.22 6.37 6.14 9.11 7.65 7.88 7.29 5.39 4.92 6.25 1974 3.32 4.08 5.64 5.95 7.78 8.96 8.34 8.79 7.14 6.06 5.28 4.85 6.35 1975 4.45 4.84 5.08 5.21 6.84 8.41 10.10 9.36 7.66 5.66 4.91 4.59 6.43 1976 4.23 4.07 4.81 5.22 5.88 7.25 9.45 7.24 8.31 6.19 4.85 4.53 6.00 1977 3.21 4.28 5.02 5.10 6.01 7.67 7.85 6.33 6.13 5.25 4.75 4.73 5.53 1978 4.67 4.56 4.47 4.75 4.96 5.69 5.93 5.88 5.28 4.85 4.52 4.37 4.99 1979 3.67 4.43 4.38 5.30 5.55 5.99 6.98 5.78 6.04 5.03 4.14 3.42 5.06 1980 3.65 3.96 4.16 4.44 5.44 6.85 7.20 7.29 6.11 6.12 5.08 4.24 5.38 1981 3.92 3.98 4.16 4.48 5.50 5.86 6.58 6.91 5.60 5.08 4.23 4.14 5.04 1982 3.30 3.05 3.74 5.13 5.62 6.67 6.61 7.54 5.93 4.77 4.34 3.96 5.05 1983 3.60 3.89 3.94 4.68 5.95 6.81 7.16 8.16 7.74 4.88 4.30 4.15 5.44 1984 ****** 3.74 4.21 3.82 4.42 6.05 6.66 6.58 5.07 4.49 4.58 4.17 ****** 1985 4.41 4.27 4.44 4.60 5.06 6.10 6.67 6.43 5.95 5.39 4.58 4.48 5.20 1986 4.55 4.03 4.41 4.94 5.61 6.69 6.84 6.68 6.33 5.32 4.94 3.94 5.36 1987 4.07 4.07 4.56 4.84 5.89 6.42 7.04 6.98 7.40 6.08 4.65 3.99 5.50 1988 4.02 4.17 4.38 4.92 6.19 6.82 7.90 8.00 6.25 6.05 4.18 ****** ****** 1989 2.96 3.74 4.47 5.04 5.74 7.14 7.84 7.15 6.75 5.19 4.89 3.63 5.38 1990 3.11 4.29 4.37 4.73 4.92 6.60 6.87 8.59 6.79 5.67 4.75 3.93 5.39 1991 4.32 4.07 4.42 4.66 5.03 7.32 6.93 6.76 5.75 4.75 4.60 ****** ****** 1992 2.76 3.25 4.05 4.61 5.98 8.28 9.12 9.67 9.37 4.04 4.53 3.67 5.78 1993 3.56 4.12 4.18 4.80 5.64 7.35 7.95 8.57 7.66 5.38 4.62 3.97 5.65 1994 3.50 3.76 4.42 5.13 5.92 8.90 8.94 11.93 6.39 5.24 4.66 3.94 6.06 1995 4.38 3.84 4.33 4.92 5.32 5.91 11.09 9.73 7.83 5.91 4.73 3.06 5.92 1996 3.27 4.53 4.54 5.03 5.92 7.39 8.85 7.27 9.16 6.30 4.62 4.42 5.94 1997 3.91 4.36 4.27 4.50 6.07 6.55 8.16 5.75 4.11 5.48 4.82 3.77 5.15 1998 3.64 4.25 3.64 5.73 9.47 5.92 7.67 5.01 5.16 4.65 3.53 3.78 5.20 1999 5.37 4.80 4.62 4.43 4.42 6.99 7.70 10.60 8.02 5.85 6.02 4.02 6.07 2000 5.01 4.97 4.73 6.57 8.68 15.31 8.42 14.99 12.52 6.70 4.90 4.60 8.12 2001 4.54 4.65 5.31 5.37 6.43 7.08 8.98 6.53 6.72 5.96 4.37 4.71 5.89 2002 4.02 4.37 4.13 4.78 6.87 5.12 6.07 6.45 4.92 4.80 4.24 4.12 4.99 2003 4.14 4.59 4.39 4.91 5.05 5.48 5.50 4.37 5.30 5.61 4.38 4.20 4.83 MEAN 4.00 4.23 4.51 5.04 6.17 7.60 8.07 8.03 7.04 5.83 4.93 4.23 5.80 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 7 STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 2.46 3.37 3.57 3.36 4.29 5.55 6.63 6.36 5.31 5.12 4.37 2.99 4.45 1965 3.43 3.54 3.77 4.42 4.46 5.00 6.14 5.98 5.25 5.99 5.31 4.46 4.81 1966 4.19 3.70 3.93 6.38 9.84 15.00 10.11 10.48 10.51 8.48 5.47 4.16 7.69 1967 2.90 3.20 4.23 4.47 9.49 6.98 8.90 8.57 6.82 5.73 4.67 4.00 5.83 1968 3.83 3.03 4.20 4.18 6.00 4.96 6.31 6.90 4.76 4.82 4.63 4.37 4.83 1969 3.63 3.66 4.88 4.97 5.55 6.37 7.72 8.30 7.77 6.91 4.82 4.81 5.78 1970 4.11 4.70 5.09 4.94 5.66 10.35 7.60 7.54 6.25 4.87 4.52 3.33 5.75 1971 2.02 3.26 4.85 4.93 5.58 6.29 7.07 6.74 5.48 5.11 4.55 3.03 4.91 1972 2.25 1.94 4.61 5.23 5.40 6.85 8.07 7.01 6.63 5.96 4.96 3.30 5.18 1973 2.62 4.75 5.27 5.53 6.21 5.84 7.98 7.66 7.22 6.46 5.15 5.08 5.81 1974 2.59 3.20 5.18 5.40 6.33 6.92 7.18 7.17 5.41 5.40 4.94 4.50 5.35 1975 3.73 4.36 4.79 5.04 5.99 6.42 7.91 7.19 5.61 4.80 4.57 4.32 5.39 1976 3.76 3.32 4.12 4.57 5.77 6.14 7.29 6.54 6.79 4.97 4.50 4.46 5.19 1977 2.66 4.12 4.35 4.60 5.54 7.09 6.19 5.76 5.38 4.69 4.69 4.32 4.95 1978 4.24 4.45 4.43 4.50 4.42 4.92 5.41 5.69 5.08 4.12 4.08 4.31 4.64 1979 3.35 4.18 4.01 4.44 5.42 5.33 5.98 5.17 5.23 4.66 4.24 2.94 4.58 1980 2.81 3.08 4.13 4.50 5.04 6.21 5.74 5.86 5.37 5.21 4.40 3.42 4.65 1981 3.15 3.39 4.03 4.17 4.71 5.22 5.80 5.62 5.17 4.63 3.84 3.42 4.43 1982 2.94 2.93 3.50 4.26 5.27 5.70 5.89 6.13 5.02 4.62 4.36 3.34 4.50 1983 2.85 3.34 3.48 4.34 5.27 5.85 5.74 5.89 5.86 3.88 3.73 3.51 4.48 1984 ****** 3.43 4.12 4.08 4.47 5.64 5.70 5.80 4.68 4.53 4.47 3.48 ****** 1985 3.38 3.62 3.90 4.00 4.46 5.47 5.93 5.51 5.20 4.56 4.31 3.25 4.47 1986 3.73 3.48 3.71 4.44 5.16 5.75 5.91 5.58 4.87 4.14 4.17 3.47 4.53 1987 3.21 3.49 4.02 4.31 4.98 5.73 6.10 5.93 5.94 5.10 4.05 3.49 4.70 1988 3.39 3.33 3.88 4.26 5.22 6.06 6.30 6.25 4.96 4.47 3.52 ****** ****** 1989 2.50 3.00 4.02 4.39 4.57 5.76 5.93 5.74 5.26 4.40 4.44 2.60 4.39 1990 2.30 3.05 4.03 4.53 4.67 5.44 5.52 5.76 5.34 4.59 4.59 3.51 4.44 1991 3.15 3.28 4.19 4.55 4.57 5.33 5.96 6.02 5.08 4.67 4.56 ****** ****** 1992 1.99 2.05 2.79 4.16 4.58 5.23 5.15 5.36 4.85 2.94 4.24 2.62 3.83 1993 2.69 2.81 3.54 4.57 4.52 5.32 5.88 5.02 4.90 4.50 4.06 3.31 4.26 1994 2.71 2.68 3.79 4.56 4.94 5.95 6.32 6.71 4.53 4.57 3.90 2.54 4.43 1995 3.13 2.65 3.67 4.51 4.99 5.14 6.60 6.63 5.19 4.53 4.43 2.17 4.47 1996 2.24 3.50 3.93 4.44 4.80 5.75 5.22 5.41 5.42 4.47 4.13 3.00 4.36 1997 2.70 2.72 3.93 4.69 6.40 6.38 7.47 6.07 4.66 5.41 4.70 2.95 4.84 1998 2.68 3.88 5.04 6.51 8.09 6.84 6.29 5.61 4.34 4.10 4.06 3.52 5.08 1999 4.89 4.23 4.32 4.16 4.08 4.90 6.88 8.97 6.36 6.22 5.62 4.59 5.44 2000 4.13 4.02 3.58 5.89 8.26 8.75 8.83 10.23 8.39 6.00 5.13 4.12 6.45 2001 3.52 3.55 5.17 5.68 6.21 7.39 8.48 7.40 7.74 6.53 4.72 4.81 5.93 2002 3.61 4.41 4.83 5.63 6.95 6.47 7.90 6.49 4.41 5.29 3.98 4.23 5.35 2003 3.87 4.30 4.51 4.89 6.27 6.94 9.38 6.06 6.87 7.55 4.36 4.69 5.81 MEAN 3.17 3.48 4.19 4.72 5.62 6.34 6.79 6.58 5.75 5.13 4.49 3.70 4.99 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 8 STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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 1964 -25.5 20 -9.5 8 -5.5 16 -5.0 1 0.8 1 6.0 6 10.0 27 9.5 31 5.0 25 -2.0 27 -10.0 30 -24.0 21 -25.5 1965 -17.0 16 -17.0 3 -7.0 13 -5.0 12 1.0 5 5.5 7 10.0 6 8.5 17 2.5 23 1.5 27 -5.0 23 -14.0 21 -17.0 1966 -8.0 15 -7.0 5 -7.5 29 -2.5 4 2.0 7 7.0 15 9.0 10 10.0 23 9.0 24 3.5 30 -5.0 23 -9.0 27 -9.0 1967 -17.0 18 -12.0 2 -11.5 30 -5.0 1 3.0 5 3.0 21 3.5 23 2.0 29 3.0 4 ***** ** -8.5 29 -12.0 25 ***** 1968 -20.0 19 -20.0 9 -8.5 25 -5.0 2 4.0 1 8.0 14 9.0 16 9.0 25 4.0 18 0.0 23 -3.5 19 -9.0 21 -20.0 1969 -15.0 13 -15.0 5 -4.5 25 -4.5 17 3.5 11 6.0 1 6.5 8 5.0 11 4.0 18 4.5 3 -8.5 18 -8.0 9 -15.0 1970 -12.0 28 -13.0 8 -6.5 12 -3.0 24 2.0 7 8.0 3 6.5 18 7.5 16 2.0 19 -2.5 16 -4.0 27 -16.0 29 -16.0 1971 -20.0 26 -19.5 3 -5.5 1 -2.5 1 4.0 13 2.0 4 6.5 25 6.5 21 1.0 20 -4.0 31 -5.0 12 -15.0 23 -20.0 1972 -18.0 31 -25.0 11 -10.4 3 -3.5 6 0.0 6 5.0 1 7.0 16 4.5 30 5.0 25 2.5 10 -2.0 23 -20.0 24 -25.0 1973 -21.0 2 -10.5 7 -9.5 9 -3.0 10 2.5 2 4.0 6 9.5 11 6.0 18 6.0 29 0.0 26 -10.0 9 -10.5 27 -21.0 1974 -22.4 31 -21.5 5 -4.5 6 1.0 4 2.0 1 6.0 9 7.0 26 6.0 29 5.0 2 0.0 16 -13.0 30 -14.0 14 -22.4 1975 -15.0 28 -17.0 9 -10.2 5 -4.5 3 3.5 12 7.0 18 9.0 5 8.0 28 3.0 29 -3.0 17 -7.0 21 -13.0 25 -17.0 1976 -16.0 3 -16.0 17 -11.5 2 -3.5 8 3.0 2 6.0 11 11.0 2 7.0 29 4.0 22 3.0 5 -7.0 22 -8.0 3 -16.0 1977 -20.0 15 -13.5 1 -4.5 1 -2.5 3 3.0 27 5.0 3 10.0 7 7.0 25 4.0 30 -1.5 28 -8.0 29 -9.0 24 -20.0 1978 -14.0 15 -10.0 11 -8.0 13 -3.5 13 -2.0 1 3.5 2 5.0 7 6.0 26 3.5 29 0.0 13 -9.5 24 -8.0 29 -14.0 1979 -19.0 27 -9.5 1 -13.0 5 -3.0 16 2.0 8 6.0 1 ***** ** 6.0 27 2.0 23 -1.0 28 ***** ** -19.0 22 ***** 1980 -14.5 9 -17.5 1 -12.5 5 -3.0 18 2.5 8 7.0 2 6.5 1 7.0 31 3.0 26 -3.0 31 -6.0 28 -9.5 14 -17.5 1981 -15.0 14 -12.0 12 -8.0 4 -6.0 2 3.0 2 5.0 1 9.5 31 9.0 3 -1.0 26 -2.0 23 -7.0 24 -7.0 7 -15.0 1982 -14.0 22 -14.0 20 -8.0 1 -4.0 1 6.0 12 7.0 3 9.5 3 6.5 31 3.0 27 2.0 20 -8.0 29 -13.5 20 -14.0 1983 -15.5 27 -17.0 1 -10.0 1 -4.0 3 3.0 3 6.0 1 11.0 6 10.5 30 5.0 28 -3.0 23 -4.5 19 -12.0 23 -17.0 1984 ***** ** -15.0 2 -7.5 17 -1.5 2 0.0 2 6.5 1 8.5 10 9.0 21 2.0 28 -4.0 22 -2.5 22 -13.0 25 ***** 1985 -12.0 1 -9.0 6 -9.0 4 0.0 5 3.0 14 7.5 13 11.5 29 8.5 29 5.0 21 -2.0 23 -4.0 21 -10.0 12 -12.0 1986 -14.0 24 -12.0 2 -7.0 18 2.0 2 2.0 6 7.5 5 10.0 8 7.0 12 3.0 7 0.0 27 -6.0 22 -14.0 25 -14.0 1987 -12.0 9 -15.0 14 -5.0 22 -5.0 1 7.0 6 9.5 1 10.0 26 10.5 24 4.5 30 -1.0 18 -5.5 30 -8.0 1 -15.0 1988 -12.5 11 -13.5 13 -6.0 17 -4.5 3 4.0 7 8.0 26 11.0 2 11.0 8 4.0 30 3.0 3 -7.5 24 ***** ** ***** 1989 -17.5 7 -16.5 7 -11.0 31 -5.5 2 2.0 1 8.0 7 8.5 25 9.5 19 2.0 28 -2.5 22 -7.5 24 -10.0 23 -17.5 1990 -14.5 12 -9.5 8 -9.5 21 -3.0 6 4.5 27 7.5 1 10.0 20 11.0 22 4.0 28 -1.0 19 -5.5 25 -21.0 28 -21.0 1991 -13.0 26 -13.0 14 -6.0 2 -2.0 8 3.0 5 7.5 1 9.0 3 6.0 27 2.5 28 -1.5 31 -7.5 17 ***** ** ***** 1992 -22.0 29 -12.8 27 -11.5 1 -5.5 5 2.0 14 5.0 14 8.0 24 5.0 23 2.0 12 -12.0 19 -8.5 27 -8.5 10 -22.0 1993 -15.0 16 -15.0 9 -8.0 13 -4.5 14 1.0 6 0.6 9 8.0 19 6.0 4 4.0 24 -2.0 8 -7.0 30 -9.0 18 -15.0 1994 -16.5 27 -11.0 20 -6.5 17 -4.0 4 4.5 7 1.0 1 11.5 1 10.0 21 1.5 22 -1.0 13 -4.0 12 -14.5 8 -16.5 1995 -10.0 1 -11.5 25 -7.5 1 -1.5 17 1.0 10 6.0 6 9.0 1 9.0 10 3.0 27 -1.0 19 -13.0 28 -17.0 26 -17.0 1996 -21.5 15 -6.0 5 -5.5 14 -3.0 4 4.5 1 9.0 11 9.5 21 8.5 5 5.0 21 0.5 27 -1.5 25 -9.5 24 -21.5 1997 -19.0 20 -16.0 2 -9.5 1 1.6 8 1.0 5 10.0 1 11.0 7 11.5 26 3.5 10 0.0 25 -4.0 22 -17.0 22 -19.0 1998 -22.0 15 -9.5 24 -8.0 4 -5.0 8 2.0 2 9.0 19 9.5 6 10.5 1 6.5 19 -1.0 30 -5.0 25 -4.5 8 -22.0 1999 -11.0 4 -7.0 1 -7.0 8 -6.5 13 2.5 15 4.5 6 8.0 21 10.0 6 8.5 19 0.0 21 -5.5 14 -12.0 13 -12.0 2000 -13.5 31 -11.0 4 -8.0 17 0.0 1 2.0 3 4.0 5 9.0 26 9.0 6 5.0 28 1.0 22 -6.0 12 -10.0 27 -13.5 2001 -20.0 29 -15.0 1 -6.5 2 -1.0 12 3.0 22 8.5 1 11.0 28 8.0 17 1.0 13 0.0 14 -7.5 20 -7.5 17 -20.0 2002 -12.5 24 -11.5 6 -7.5 7 -3.5 5 6.0 3 3.5 8 11.0 7 10.0 30 5.0 28 -1.0 31 -6.0 27 -10.5 23 -12.5 2003 -19.0 26 -8.0 4 -10.0 3 -2.0 2 0.0 2 7.0 1 9.0 1 8.0 25 5.0 17 1.0 7 -7.5 16 -9.0 23 -19.0 LOW. -25.5 20 -25.0 11 -13.0 5 -6.5 13 -2.0 1 0.6 9 3.5 23 2.0 29 -1.0 26 -12.0 19 -13.0 30 -24.0 21 -25.5 YEAR 1964 1972 1979 1999 1978 1993 1967 1967 1981 1992 1974 1964 1964 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 9 STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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 1964 ***** ** 13.4 26 19.5 30 22.5 28 28.0 19 38.0 30 39.5 14 ***** ** ***** ** ***** ** ***** ** 18.0 5 ***** 1965 ***** ** 14.0 28 18.0 8 24.0 28 28.5 22 33.0 20 36.0 29 38.0 3 31.5 2 25.0 12 20.0 1 17.0 13 ***** 1966 18.0 8 17.0 2 18.0 11 23.0 29 29.5 17 33.0 9 35.0 27 36.5 11 30.5 3 30.5 7 16.5 1 15.0 22 36.5 1967 13.0 13 15.0 3 15.0 5 20.0 21 29.0 23 35.0 29 36.0 5 30.0 1 ***** ** ***** ** ***** ** ***** ** ***** 1968 15.0 13 12.0 29 21.0 16 ***** ** 32.5 19 34.0 19 34.0 7 33.0 15 30.0 2 27.0 2 19.0 9 15.0 1 ***** 1969 10.0 19 14.0 13 20.0 22 25.0 26 29.0 29 34.0 30 39.0 13 34.0 7 27.0 11 25.0 5 20.0 2 16.0 1 39.0 1970 15.0 6 12.5 12 22.0 21 24.0 2 32.0 29 36.0 17 34.0 18 36.0 23 33.0 4 30.0 8 22.0 7 22.0 6 36.0 1971 9.0 12 12.0 25 19.0 15 22.0 27 28.0 27 37.0 29 39.0 4 40.0 1 33.0 3 28.0 6 24.0 2 15.5 12 40.0 1972 9.0 7 10.0 16 17.5 28 22.0 10 32.0 26 35.0 30 40.0 19 36.0 4 34.2 3 27.0 6 32.0 15 18.0 7 40.0 1973 10.0 25 16.0 19 20.0 25 29.0 21 32.0 8 39.0 27 39.0 6 37.0 4 36.0 4 32.0 8 24.0 1 22.0 2 39.0 1974 8.0 9 12.0 27 25.0 20 27.0 17 34.0 22 36.0 20 36.0 1 37.0 19 34.0 15 27.0 28 23.5 2 17.0 4 37.0 1975 17.0 5 16.0 21 22.0 21 25.0 27 36.0 27 36.0 24 37.0 9 38.0 11 32.0 2 29.0 8 21.0 2 11.5 18 38.0 1976 15.0 19 12.0 7 16.0 21 25.0 16 29.0 31 35.0 14 37.0 10 36.0 1 33.0 3 28.0 7 19.0 10 17.0 12 37.0 1977 10.0 1 19.0 25 25.0 17 26.0 30 30.0 14 39.0 27 39.0 14 38.0 16 33.0 1 30.0 1 20.0 10 16.5 4 39.0 1978 17.0 3 19.0 18 21.5 31 26.5 21 32.0 15 37.5 8 38.0 22 37.0 27 33.5 10 28.5 8 20.0 1 17.0 7 38.0 1979 18.0 5 18.0 27 21.0 17 29.5 12 29.0 19 36.0 23 36.0 6 34.0 13 32.5 7 29.0 2 23.0 2 17.0 2 36.0 1980 11.5 21 12.5 22 20.0 28 27.5 22 30.0 21 34.0 21 35.5 30 35.0 21 31.0 2 30.0 4 18.5 6 15.5 6 35.5 1981 13.0 23 13.0 19 18.0 19 23.5 22 28.5 27 31.0 24 34.5 4 33.5 20 29.0 18 24.0 1 19.5 2 13.5 2 34.5 1982 10.0 9 10.5 28 13.5 23 24.5 24 27.5 19 34.5 12 35.0 27 37.0 5 31.5 5 29.0 3 16.0 24 11.0 8 37.0 1983 10.0 12 11.0 20 17.0 29 22.0 18 29.0 23 34.0 20 36.5 9 36.0 8 33.0 1 27.0 2 23.0 1 15.0 1 36.5 1984 ***** ** 18.0 13 23.0 10 25.0 21 27.0 27 35.0 13 35.0 20 35.0 9 32.0 1 29.0 4 20.5 28 15.0 2 ***** 1985 14.0 28 18.0 14 21.0 20 27.5 18 31.0 27 36.5 26 36.0 1 33.5 2 34.0 3 32.0 4 22.5 2 15.0 1 36.5 1986 15.0 22 15.0 25 16.0 30 22.0 16 29.0 22 35.0 27 33.5 20 33.5 20 31.0 18 28.5 9 18.5 1 10.0 29 35.0 1987 16.0 18 19.5 2 19.0 11 28.5 29 38.0 12 34.0 9 34.5 23 33.5 27 33.5 1 30.0 3 20.5 8 14.5 20 38.0 1988 12.0 5 15.5 29 19.5 21 25.0 20 32.0 29 33.0 13 37.5 24 34.5 20 32.5 14 29.0 9 24.0 5 ***** ** ***** 1989 9.5 21 14.0 28 18.5 4 26.5 17 31.5 25 36.5 29 37.5 13 34.5 26 33.0 6 29.5 9 19.5 28 13.5 2 37.5 1990 9.5 22 13.0 19 20.0 11 25.0 27 30.0 24 35.0 22 36.0 15 35.0 13 33.0 1 28.5 2 25.0 7 20.0 5 36.0 1991 12.0 21 13.5 24 18.5 22 26.5 28 29.5 29 34.5 16 36.5 24 36.5 10 35.0 12 23.5 14 21.0 1 ***** ** ***** 1992 7.0 11 8.4 4 16.0 30 22.0 13 27.0 18 33.0 29 34.5 1 34.0 6 31.0 15 13.5 8 20.5 7 14.0 2 34.5 1993 12.0 28 15.5 28 18.5 31 25.0 20 29.5 27 32.5 15 33.5 7 33.0 15 31.5 8 27.0 1 21.0 1 14.5 2 33.5 1994 14.0 30 16.0 27 22.5 30 24.5 25 29.0 31 34.5 21 39.0 22 38.0 7 32.0 1 29.0 1 20.0 3 12.0 2 39.0 1995 14.0 5 14.0 5 17.0 25 22.5 19 27.5 7 32.5 22 37.0 14 36.0 20 31.0 11 30.0 2 24.5 11 14.0 3 37.0 1996 10.0 30 18.5 11 18.0 31 25.0 24 28.5 26 32.0 19 31.5 24 32.0 9 32.5 14 29.0 7 15.0 2 11.5 21 32.5 1997 11.5 12 11.0 18 13.0 3 20.0 30 25.0 28 36.0 20 35.0 22 34.5 15 32.0 2 26.5 5 17.0 1 12.0 3 36.0 1998 7.0 4 10.5 25 21.0 28 25.0 15 29.5 12 32.0 8 37.5 11 34.0 29 34.0 3 29.0 4 20.0 8 21.0 14 37.5 1999 15.0 1 15.0 11 15.0 10 22.5 20 28.0 19 36.5 14 36.5 3 33.5 30 32.0 1 30.5 3 17.5 1 19.0 26 36.5 2000 18.2 6 11.5 23 15.5 3 26.5 21 29.0 30 36.0 27 35.0 6 36.0 16 34.8 3 33.0 2 20.0 1 14.5 1 36.0 2001 15.0 2 15.5 28 21.0 31 24.5 23 31.5 16 35.5 29 37.5 14 34.0 7 31.5 9 27.5 1 23.0 7 14.5 28 37.5 2002 14.5 5 14.5 10 17.5 14 27.0 28 32.5 9 34.0 5 35.0 14 36.0 7 32.0 6 27.0 5 20.0 12 13.0 7 36.0 2003 14.5 11 14.0 9 15.0 24 25.0 15 27.0 20 34.8 27 37.0 29 36.5 8 33.0 1 29.0 1 23.0 1 15.0 16 37.0 HIG. 18.2 6 19.5 2 25.0 20 29.5 12 38.0 12 39.0 27 40.0 19 40.0 1 36.0 4 33.0 2 32.0 15 22.0 6 40.0 YEAR 2000 1987 1974 1979 1987 1973 1972 1971 1973 2000 1972 1970 1971 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 10 STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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 1964 10.0 19 7.0 29 4.0 15 10.0 21 2.8 25 0.2 3 0.0 ** 0.0 ** 0.0 ** 0.0 ** 10.0 6 40.0 11 40.0 1965 4.2 21 6.0 2 24.0 20 40.0 30 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 6.0 27 1.0 9 0.0 ** 40.0 1966 12.0 12 9.0 18 4.8 28 12.0 1 4.0 2 0.0 ** 0.0 ** 0.0 ** 0.0 ** 4.0 16 0.0 ** 4.9 20 12.0 1967 36.0 28 24.0 10 8.0 5 12.0 13 18.0 17 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 27.0 18 12.0 6 36.0 1968 8.5 16 10.0 22 14.0 8 10.0 22 8.0 27 0.0 ** 0.0 ** 0.0 ** 0.0 ** 12.0 22 4.0 3 21.0 27 21.0 1969 34.0 21 0.0 ** 45.0 21 12.0 8 1.9 9 0.0 ** 0.0 ** 4.0 29 18.0 1 0.0 ** 14.0 8 20.0 27 45.0 1970 6.0 25 7.0 6 0.0 ** 10.0 17 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 27.0 13 27.0 1971 9.0 31 10.0 14 25.0 31 15.0 12 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 13.0 7 9.0 17 25.0 1972 16.0 29 36.0 21 35.0 1 14.0 16 25.0 13 0.0 ** 8.0 31 7.0 5 0.0 ** 0.0 ** 14.0 30 14.0 28 36.0 1973 10.0 20 29.0 10 32.0 3 14.0 8 0.0 ** 0.0 ** 30.0 22 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 32.0 1974 30.0 20 14.0 21 0.0 ** 15.0 8 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 10.0 10 20.0 27 20.0 3 30.0 1975 15.0 16 18.0 1 20.0 28 23.0 14 12.0 10 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 19.0 9 22.0 6 23.0 1976 15.0 21 16.0 10 22.0 22 20.0 20 10.0 13 0.0 ** 38.0 24 0.0 ** 0.0 ** 25.0 29 10.0 3 15.0 12 38.0 1977 10.0 4 6.0 8 14.0 26 27.0 26 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 24.0 26 29.0 14 32.0 14 32.0 1978 16.0 25 30.0 24 28.0 10 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 15.0 7 52.0 3 52.0 1979 10.0 21 25.0 8 30.0 25 6.0 27 25.0 9 10.0 2 0.0 ** 0.0 ** 0.0 ** 0.0 ** 10.0 30 18.0 14 30.0 1980 26.0 23 25.0 10 22.0 27 26.4 30 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 10.0 26 7.2 17 26.4 1981 45.0 12 10.0 10 12.0 27 52.0 17 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 21.0 21 14.0 25 52.0 1982 20.0 26 13.0 21 24.0 19 0.0 ** 8.0 11 0.0 ** 0.0 ** 0.0 ** 0.0 ** 12.0 31 20.0 13 10.0 18 24.0 1983 22.0 24 5.0 21 10.0 6 10.0 3 10.0 1 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 14.8 12 22.0 1984 ***** ** 10.0 26 76.0 26 16.2 17 14.0 10 6.0 2 0.0 ** 0.0 ** 0.0 ** 8.0 20 18.0 12 14.0 25 ***** 1985 17.0 31 15.0 1 12.0 30 7.0 24 8.0 12 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 20.0 19 20.0 1986 8.0 15 15.0 15 12.0 26 17.0 6 15.0 4 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 32.0 30 30.0 20 32.0 1987 8.0 7 13.0 10 12.0 4 12.0 4 0.0 ** 0.0 ** 10.0 28 0.0 ** 0.0 ** 15.0 26 8.0 3 19.0 23 19.0 1988 13.0 16 20.0 3 17.6 5 8.0 26 0.0 ** 0.0 ** 8.0 27 0.0 ** 0.0 ** 0.0 ** 13.0 14 ***** ** ***** 1989 11.0 27 13.0 11 15.0 29 10.0 29 12.0 8 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 11.0 17 52.0 4 52.0 1990 8.0 4 24.0 5 15.0 17 34.0 3 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 13.0 21 34.0 1991 34.0 26 8.0 3 31.0 6 1.0 4 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** ***** ** ***** 1992 17.0 7 0.0 ** 24.0 31 12.0 25 10.0 11 0.0 ** 0.0 ** 0.0 ** 0.0 ** 30.0 10 6.0 26 12.0 17 30.0 1993 23.0 8 15.0 3 25.0 8 10.0 27 8.0 3 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 37.0 12 10.0 27 37.0 1994 25.0 31 8.0 19 18.0 13 12.0 2 14.0 5 0.0 ** 0.0 ** 0.0 ** 0.0 ** 14.0 21 29.0 26 10.0 3 29.0 1995 11.0 18 9.0 6 13.0 14 13.0 23 14.0 31 5.0 3 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 25.0 12 25.0 1996 17.5 11 8.0 19 20.0 3 10.0 25 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 10.0 29 12.0 23 20.0 1997 30.0 16 5.0 19 12.0 16 25.0 7 4.0 5 1.5 24 0.0 ** 0.0 ** 0.0 ** 1.0 21 10.0 5 33.0 21 33.0 1998 27.0 13 34.0 11 81.0 19 3.3 5 14.5 14 0.0 ** 0.5 19 0.0 ** 0.0 ** 19.5 11 0.0 ** 5.5 3 81.0 1999 13.5 18 20.0 6 24.0 13 4.0 5 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 1.0 27 3.5 1 11.0 12 24.0 2000 70.0 29 10.0 7 18.0 25 1.0 17 0.0 ** 0.0 ** 1.0 16 0.0 ** 0.0 ** 2.0 11 18.0 18 20.0 11 70.0 2001 10.0 27 8.0 22 49.0 10 0.0 ** 8.5 3 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.5 28 6.0 13 33.0 5 49.0 2002 51.0 8 17.0 15 30.0 21 25.0 3 6.0 3 1.0 26 0.0 ** 0.0 ** 0.0 ** 2.0 22 18.0 7 30.0 11 51.0 2003 18.0 20 25.0 13 20.0 23 24.0 21 4.0 8 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 1.0 12 31.0 5 31.0 HIG. 70.0 29 36.0 21 81.0 19 52.0 17 25.0 13 10.0 2 38.0 24 7.0 5 18.0 1 30.0 10 37.0 12 52.0 3 81.0 YEAR 2000 1972 1998 1981 1972 1979 1976 1972 1969 1992 1993 1978 1998 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 11 STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 MET. MONTHLY TOTAL PRECIPITATION WITH SEASONAL PERCENT. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL SEASONAL-PERCENT ----------------------- 1964 15.0 13.0 6.3 21.0 2.8 0.2 0.0 0.0 0.0 0.0 27.0 128.0 213.3 16.1 11.3 0.0 72.7 1965 15.2 10.6 54.0 40.0 0.0 0.0 0.0 0.0 0.0 15.0 2.0 0.0 136.8 58.3 29.2 0.0 12.4 1966 22.0 22.0 12.0 23.0 4.0 0.0 0.0 0.0 0.0 26.2 0.0 9.9 119.1 47.0 22.7 0.0 30.3 1967 113.0 79.0 8.0 18.0 53.0 0.0 0.0 0.0 0.0 0.0 51.0 12.0 334.0 59.9 21.3 0.0 18.9 1968 14.5 21.0 44.0 21.7 8.0 0.0 0.0 0.0 0.0 12.0 4.0 44.0 169.2 47.0 17.6 0.0 35.5 1969 137.3 0.0 65.0 16.0 1.9 0.0 0.0 8.0 18.0 0.0 37.0 24.0 307.2 65.9 5.8 8.5 19.9 1970 13.0 7.0 0.0 10.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 41.0 71.0 28.2 14.1 0.0 57.7 1971 29.0 23.0 25.0 61.0 0.0 0.0 0.0 0.0 0.0 0.0 32.0 22.0 192.0 40.1 31.8 0.0 28.1 1972 48.0 124.0 140.0 43.0 25.0 0.0 8.0 14.0 0.0 0.0 27.0 24.0 453.0 68.9 15.0 4.9 11.3 1973 32.0 59.0 54.0 32.0 0.0 0.0 95.0 0.0 0.0 0.0 0.0 0.0 272.0 53.3 11.8 34.9 0.0 1974 105.0 46.0 0.0 28.0 0.0 0.0 0.0 0.0 0.0 18.0 38.0 62.0 297.0 50.8 9.4 0.0 39.7 1975 63.0 71.0 49.0 53.0 32.0 0.0 0.0 0.0 0.0 0.0 27.0 96.0 391.0 46.8 21.7 0.0 31.5 1976 57.0 83.0 86.2 50.0 34.0 0.0 58.0 0.0 0.0 45.0 25.0 33.0 471.2 48.0 17.8 12.3 21.9 1977 46.0 6.0 26.0 75.0 0.0 0.0 0.0 0.0 0.0 42.0 76.0 90.0 361.0 21.6 20.8 0.0 57.6 1978 64.0 33.0 38.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 19.0 104.0 258.0 52.3 0.0 0.0 47.7 1979 27.8 55.0 59.0 6.0 82.0 10.0 0.0 0.0 0.0 0.0 14.0 86.0 339.8 41.7 28.8 0.0 29.4 1980 52.0 116.0 83.0 60.6 0.0 0.0 0.0 0.0 0.0 0.0 23.8 16.2 351.6 71.4 17.2 0.0 11.4 1981 50.0 27.0 36.0 69.0 0.0 0.0 0.0 0.0 0.0 0.0 35.0 22.0 239.0 47.3 28.9 0.0 23.8 1982 56.4 48.4 81.0 0.0 27.0 0.0 0.0 0.0 0.0 36.0 62.0 33.0 343.8 54.0 7.9 0.0 38.1 1983 71.0 5.0 25.0 27.0 21.2 0.0 0.0 0.0 0.0 0.0 0.0 29.9 179.1 56.4 26.9 0.0 16.7 1984 ****** 10.0 157.0 22.2 26.0 6.0 0.0 0.0 0.0 12.2 33.0 31.2 ****** 56.1 18.2 0.0 25.7 1985 46.0 26.0 22.0 9.0 8.0 0.0 0.0 0.0 0.0 0.0 0.0 42.0 153.0 61.4 11.1 0.0 27.5 1986 8.0 38.0 32.0 90.0 35.0 0.0 0.0 0.0 0.0 0.0 136.0 62.2 401.2 19.4 31.2 0.0 49.4 1987 14.0 13.0 59.0 18.0 0.0 0.0 12.0 0.0 0.0 20.0 8.0 42.0 186.0 46.2 9.7 6.5 37.6 1988 27.2 58.0 46.0 28.8 0.0 0.0 8.0 0.0 0.0 0.0 24.2 ****** ****** 68.3 15.0 4.2 12.6 1989 20.0 29.0 57.4 31.0 12.0 0.0 0.0 0.0 0.0 0.0 32.0 98.0 279.4 38.1 15.4 0.0 46.5 1990 34.5 44.0 42.0 34.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 24.0 178.5 67.5 19.0 0.0 13.4 1991 79.0 22.0 86.0 1.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ****** ****** 99.3 0.7 0.0 0.0 1992 115.0 0.0 34.0 22.0 17.0 0.0 0.0 0.0 0.0 123.0 6.0 43.0 360.0 41.4 10.8 0.0 47.8 1993 63.0 71.0 106.0 10.0 8.0 0.0 0.0 0.0 0.0 0.0 54.0 10.0 322.0 74.5 5.6 0.0 19.9 1994 54.0 8.0 30.0 40.0 20.0 0.0 0.0 0.0 0.0 25.0 75.0 15.0 267.0 34.5 22.5 0.0 43.1 1995 21.0 21.0 23.0 29.0 31.0 5.0 0.0 0.0 0.0 0.0 0.0 62.0 192.0 33.9 33.9 0.0 32.3 1996 36.5 20.0 37.0 10.0 0.0 0.0 0.0 0.0 0.0 0.0 10.0 38.0 151.5 61.7 6.6 0.0 31.7 1997 40.0 5.0 29.8 59.5 6.0 3.0 0.0 0.0 0.0 2.0 25.6 58.5 229.4 32.6 29.9 0.0 37.5 1998 72.0 99.5 168.1 5.8 14.5 0.0 0.5 0.0 0.0 25.5 0.0 12.0 397.9 85.3 5.1 0.1 9.4 1999 17.1 61.5 103.0 8.5 0.0 0.0 0.0 0.0 0.0 1.0 13.5 13.5 218.1 83.3 3.9 0.0 12.8 2000 146.5 28.0 25.0 1.0 0.0 0.0 1.0 0.0 0.0 3.0 49.0 58.5 312.0 63.9 0.3 0.3 35.4 2001 20.0 21.0 79.0 0.0 20.8 0.0 0.0 0.0 0.0 1.0 17.5 155.0 314.3 38.2 6.6 0.0 55.2 2002 92.0 25.0 47.5 90.0 8.0 1.0 0.0 0.0 0.0 2.0 19.0 93.0 377.5 43.6 26.2 0.0 30.2 2003 53.0 46.0 68.0 48.0 4.0 0.0 0.0 0.0 0.0 0.0 1.0 65.0 285.0 58.6 18.2 0.0 23.2 MEAN 51.0 37.4 53.6 30.3 12.5 0.6 4.6 0.6 0.5 10.2 25.1 47.4 273.8 51.9 15.9 2.0 30.2 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 12 STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 MET. NO. OF DAYS WITH PRECIPITATION YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 2 3 2 3 1 1 0 0 0 0 5 4 21 1965 5 3 3 1 0 0 0 0 0 3 2 0 17 1966 2 5 4 4 1 0 0 0 0 11 0 3 30 1967 7 5 1 2 4 0 0 0 0 0 2 1 22 1968 3 3 5 11 1 0 0 0 0 1 1 4 29 1969 7 0 2 3 1 0 0 2 1 0 3 2 21 1970 3 1 0 1 0 0 0 0 0 0 0 3 8 1971 4 3 1 7 0 0 0 0 0 0 5 3 23 1972 5 7 5 4 1 0 1 2 0 0 2 2 29 1973 4 3 3 3 0 0 4 0 0 0 0 0 17 1974 8 5 0 3 0 0 0 0 0 2 2 4 24 1975 5 6 5 3 4 0 0 0 0 0 3 10 36 1976 6 7 8 4 4 0 2 0 0 2 3 3 39 1977 7 1 3 6 0 0 0 0 0 3 5 5 30 1978 6 2 2 0 0 0 0 0 0 0 2 3 15 1979 3 3 5 1 6 1 0 0 0 0 2 8 29 1980 4 9 7 4 0 0 0 0 0 0 3 3 30 1981 2 3 4 4 0 0 0 0 0 0 2 2 17 1982 6 6 6 0 6 0 0 0 0 4 5 4 37 1983 5 1 3 4 4 0 0 0 0 0 0 5 22 1984 *** 1 6 2 2 1 0 0 0 3 3 3 *** 1985 4 4 2 2 1 0 0 0 0 0 0 3 16 1986 1 4 4 8 3 0 0 0 0 0 7 4 31 1987 2 1 9 2 0 0 2 0 0 2 1 4 23 1988 3 5 4 4 0 0 1 0 0 0 3 *** *** 1989 2 3 6 5 1 0 0 0 0 0 4 5 26 1990 7 3 5 1 0 0 0 0 0 0 0 2 18 1991 5 4 6 2 0 0 0 0 0 0 0 *** *** 1992 11 0 3 2 2 0 0 0 0 10 1 6 35 1993 6 6 9 1 1 0 0 0 0 0 3 1 27 1994 4 1 2 5 2 0 0 0 0 3 3 2 22 1995 2 3 2 3 3 1 0 0 0 0 0 4 18 1996 4 3 3 1 0 0 0 0 0 0 1 4 16 1997 2 1 3 7 3 4 0 0 0 3 5 4 32 1998 6 9 6 3 1 0 3 0 2 5 0 3 38 1999 5 9 7 3 0 0 0 0 0 1 6 2 33 2000 7 4 4 1 0 0 1 0 0 3 8 6 34 2001 5 3 3 1 3 0 0 0 0 2 6 10 33 2002 5 3 3 6 3 1 0 0 0 1 2 5 29 2003 4 3 6 5 1 0 0 0 0 0 1 5 25 MEAN 5 4 4 3 1 0 0 0 0 1 3 4 25 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 13 STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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 1964 2 3 2 3 1 0 0 0 0 0 5 4 20 1965 5 3 3 1 0 0 0 0 0 3 2 0 17 1966 2 5 3 4 1 0 0 0 0 10 0 3 28 1967 7 5 1 2 4 0 0 0 0 0 2 1 22 1968 3 3 5 8 1 0 0 0 0 1 1 4 26 1969 7 0 2 3 1 0 0 2 1 0 3 2 21 1970 3 1 0 1 0 0 0 0 0 0 0 3 8 1971 4 3 1 7 0 0 0 0 0 0 5 3 23 1972 5 7 5 4 1 0 1 2 0 0 2 2 29 1973 4 3 3 3 0 0 4 0 0 0 0 0 17 1974 8 5 0 3 0 0 0 0 0 2 2 4 24 1975 5 6 5 3 4 0 0 0 0 0 3 10 36 1976 6 7 8 4 4 0 2 0 0 2 3 3 39 1977 7 1 3 6 0 0 0 0 0 3 5 5 30 1978 6 2 2 0 0 0 0 0 0 0 2 3 15 1979 3 3 5 1 6 1 0 0 0 0 2 8 29 1980 4 9 7 4 0 0 0 0 0 0 3 3 30 1981 2 3 4 4 0 0 0 0 0 0 2 2 17 1982 6 6 6 0 6 0 0 0 0 4 5 4 37 1983 5 1 3 4 4 0 0 0 0 0 0 5 22 1984 *** 1 6 2 2 1 0 0 0 2 3 3 *** 1985 4 4 2 2 1 0 0 0 0 0 0 3 16 1986 1 4 4 8 3 0 0 0 0 0 7 4 31 1987 2 1 9 2 0 0 2 0 0 2 1 4 23 1988 3 5 4 4 0 0 1 0 0 0 3 *** *** 1989 2 3 6 5 1 0 0 0 0 0 4 5 26 1990 7 3 5 1 0 0 0 0 0 0 0 2 18 1991 5 4 6 1 0 0 0 0 0 0 0 *** *** 1992 11 0 3 2 2 0 0 0 0 10 1 6 35 1993 6 6 9 1 1 0 0 0 0 0 3 1 27 1994 4 1 2 5 2 0 0 0 0 3 3 2 22 1995 2 3 2 3 3 1 0 0 0 0 0 4 18 1996 4 3 3 1 0 0 0 0 0 0 1 4 16 1997 2 1 3 7 2 2 0 0 0 1 4 4 26 1998 6 9 6 3 1 0 0 0 0 3 0 3 31 1999 3 8 7 3 0 0 0 0 0 1 5 2 29 2000 7 4 4 1 0 0 1 0 0 2 8 6 33 2001 5 3 3 0 3 0 0 0 0 0 6 10 30 2002 5 3 3 6 3 1 0 0 0 1 2 5 29 2003 4 3 6 5 1 0 0 0 0 0 1 5 25 MEAN 5 4 4 3 1 0 0 0 0 1 2 4 24 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 14 STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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 1964 1 0 0 1 0 0 0 0 0 0 1 4 7 1965 0 0 3 1 0 0 0 0 0 0 0 0 4 1966 2 0 0 1 0 0 0 0 0 0 0 0 3 1967 6 5 0 1 3 0 0 0 0 0 2 1 18 1968 0 1 3 1 0 0 0 0 0 1 0 1 7 1969 5 0 2 1 0 0 0 0 1 0 3 1 13 1970 0 0 0 1 0 0 0 0 0 0 0 2 3 1971 0 1 1 3 0 0 0 0 0 0 1 0 6 1972 2 6 5 3 1 0 0 0 0 0 2 2 21 1973 2 3 2 2 0 0 4 0 0 0 0 0 13 1974 4 3 0 1 0 0 0 0 0 1 2 4 15 1975 5 5 1 2 2 0 0 0 0 0 1 4 20 1976 4 6 5 3 1 0 2 0 0 2 1 2 26 1977 2 0 1 3 0 0 0 0 0 2 3 3 14 1978 4 1 2 0 0 0 0 0 0 0 1 3 11 1979 1 3 2 0 4 1 0 0 0 0 1 5 17 1980 2 4 5 3 0 0 0 0 0 0 1 0 15 1981 1 1 2 1 0 0 0 0 0 0 2 1 8 1982 2 2 4 0 0 0 0 0 0 2 4 2 16 1983 4 0 2 1 1 0 0 0 0 0 0 1 9 1984 *** 1 5 1 2 0 0 0 0 0 2 2 *** 1985 3 1 2 0 0 0 0 0 0 0 0 2 8 1986 0 2 1 5 2 0 0 0 0 0 5 3 18 1987 0 1 1 1 0 0 1 0 0 1 0 2 7 1988 1 3 3 0 0 0 0 0 0 0 1 *** *** 1989 1 2 3 1 1 0 0 0 0 0 2 3 13 1990 0 2 2 1 0 0 0 0 0 0 0 2 7 1991 3 0 5 0 0 0 0 0 0 0 0 *** *** 1992 6 0 1 2 1 0 0 0 0 5 0 1 16 1993 2 5 4 1 0 0 0 0 0 0 2 1 15 1994 2 0 2 2 1 0 0 0 0 1 3 1 12 1995 2 0 2 2 2 0 0 0 0 0 0 3 11 1996 1 0 2 1 0 0 0 0 0 0 1 2 7 1997 2 0 2 3 0 0 0 0 0 0 1 1 9 1998 4 4 3 0 1 0 0 0 0 1 0 0 13 1999 1 2 5 0 0 0 0 0 0 0 0 1 9 2000 2 1 1 0 0 0 0 0 0 0 2 3 9 2001 1 0 2 0 0 0 0 0 0 0 0 7 10 2002 3 1 2 5 0 0 0 0 0 0 1 4 16 2003 3 2 3 2 0 0 0 0 0 0 0 2 12 MEAN 2 2 2 1 1 0 0 0 0 0 1 2 11 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 15 STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 72 75 66 49 46 42 41 44 37 47 62 81 55 1965 77 81 63 59 50 44 46 48 46 57 59 63 58 1966 71 71 66 67 70 67 62 50 58 70 57 65 65 1967 63 72 70 69 65 47 41 57 56 59 60 58 60 1968 61 66 62 65 69 54 49 46 48 58 70 72 60 1969 63 63 62 64 66 60 59 58 62 56 74 75 64 1970 72 75 69 64 52 54 47 47 58 54 61 53 59 1971 34 52 73 70 53 46 42 42 53 63 67 50 54 1972 48 46 72 71 68 53 46 54 54 68 65 52 58 1973 72 75 68 62 59 49 47 54 58 62 60 67 61 1974 69 71 69 58 57 47 51 52 57 65 73 66 61 1975 73 70 72 67 56 47 42 44 49 66 67 79 61 1976 73 72 76 67 56 50 43 53 58 67 69 80 64 1977 80 72 63 67 60 44 38 40 50 63 69 74 60 1978 73 77 71 60 54 48 40 43 52 59 78 75 61 1979 79 78 72 62 59 45 42 42 53 56 72 82 62 1980 83 80 73 61 56 45 43 43 53 56 68 79 62 1981 77 77 69 63 51 43 39 38 52 67 63 69 59 1982 78 75 72 65 54 44 40 41 50 61 79 88 62 1983 82 83 76 66 55 47 38 41 48 58 63 76 61 1984 *** 78 68 57 53 44 39 39 48 59 69 75 *** 1985 76 75 65 57 51 39 35 41 45 64 69 78 58 1986 78 75 72 65 51 43 39 42 51 53 73 78 60 1987 76 68 72 54 42 40 42 47 49 62 64 73 57 1988 73 75 64 56 49 37 38 40 50 59 60 *** *** 1989 77 76 69 65 52 40 38 42 53 56 67 68 59 1990 76 68 64 54 43 37 36 39 47 61 58 63 54 1991 73 68 67 59 51 36 35 40 50 60 45 *** *** 1992 74 73 68 56 53 46 42 46 56 45 50 62 56 1993 68 69 61 57 51 46 40 42 52 56 61 63 56 1994 66 61 55 61 52 43 37 34 53 58 57 51 52 1995 54 56 62 60 55 47 37 40 51 56 58 63 53 1996 72 66 69 61 52 36 37 42 47 54 67 72 56 1997 69 69 70 56 60 58 48 43 36 59 77 74 60 1998 74 85 77 58 61 53 49 40 39 52 55 48 58 1999 73 72 72 61 58 38 44 45 42 51 70 68 58 2000 72 71 67 60 46 49 44 53 47 58 69 79 60 2001 75 73 69 60 58 43 41 47 50 55 59 78 59 2002 78 75 68 66 49 42 48 52 64 54 66 79 62 2003 87 77 77 62 51 53 52 50 57 58 75 67 64 MEAN 72 72 69 62 55 46 43 45 51 59 65 70 59 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 16 STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 79 43 34 28 17 24 27 25 20 28 45 74 37 1965 74 63 42 31 26 25 31 32 33 38 49 57 42 1966 56 58 42 42 53 69 46 42 47 43 44 59 50 1967 58 66 58 61 51 21 34 38 31 35 53 55 47 1968 53 65 43 35 29 27 26 26 23 32 36 56 38 1969 71 61 41 39 33 36 26 35 48 64 58 38 46 1970 51 72 47 34 28 40 25 28 25 32 28 51 38 1971 73 69 39 31 30 27 15 19 24 33 45 52 38 1972 63 66 55 35 30 23 25 29 25 33 40 51 40 1973 63 61 46 37 26 18 24 22 25 31 40 50 37 1974 62 64 48 39 32 29 26 26 27 35 38 57 40 1975 57 60 44 37 30 28 28 26 26 29 42 59 39 1976 61 65 54 37 29 23 25 22 28 31 46 50 39 1977 63 48 34 38 28 23 21 19 21 30 43 54 35 1978 53 52 43 29 21 19 19 17 18 24 43 38 31 1979 47 45 42 28 31 19 19 19 22 24 31 55 32 1980 57 54 44 28 25 22 21 21 21 31 39 48 34 1981 50 50 38 30 27 20 20 21 25 32 34 40 32 1982 53 49 42 31 26 21 19 21 21 29 44 64 35 1983 62 59 47 37 26 22 20 23 24 26 30 53 36 1984 *** 51 40 24 25 21 22 19 19 27 38 55 *** 1985 56 51 38 27 22 19 19 20 19 24 35 60 33 1986 52 51 50 36 27 22 22 23 24 26 53 60 37 1987 52 42 49 29 23 20 23 22 25 36 36 48 34 1988 54 58 39 31 25 22 23 24 22 28 34 *** *** 1989 60 58 45 34 28 23 23 22 25 26 42 46 36 1990 53 59 43 32 22 21 20 25 23 29 34 46 34 1991 60 55 46 29 24 24 19 20 20 28 35 *** *** 1992 52 54 51 36 32 30 28 32 37 56 37 50 41 1993 58 58 48 32 30 26 25 28 28 31 38 43 37 1994 48 46 40 33 29 29 23 32 27 32 44 54 36 1995 50 46 43 34 28 23 31 28 31 31 35 47 36 1996 60 53 49 33 27 26 30 25 32 29 50 59 39 1997 54 56 50 35 35 23 24 17 15 26 47 56 37 1998 70 66 41 37 40 21 26 18 21 31 26 33 36 1999 79 58 57 39 22 22 28 35 29 30 52 41 41 2000 65 58 41 36 38 50 22 40 36 34 54 55 44 2001 62 57 47 34 32 25 23 19 22 30 37 52 37 2002 51 47 34 38 25 16 17 18 16 21 40 51 31 2003 50 47 43 29 23 17 13 11 17 26 32 44 29 MEAN 59 56 44 34 29 25 24 25 26 32 41 52 37 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 17 STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 82 56 39 34 30 31 29 33 33 47 59 74 46 1965 77 61 47 43 30 30 30 32 34 47 53 62 46 1966 59 61 52 57 65 72 49 44 52 64 56 60 58 1967 64 68 63 51 56 40 37 44 40 46 55 65 52 1968 66 64 53 45 49 23 31 31 28 36 50 66 45 1969 69 66 53 51 36 33 34 40 47 47 57 60 49 1970 63 79 57 39 33 41 29 30 31 36 42 56 45 1971 52 68 54 46 35 33 28 26 33 38 49 56 43 1972 53 52 68 50 42 31 32 33 33 39 44 59 45 1973 64 68 62 47 35 25 29 31 31 40 52 65 46 1974 65 68 56 46 36 30 29 29 27 43 49 66 45 1975 62 71 57 46 37 28 30 27 26 37 54 69 45 1976 65 67 61 41 40 26 30 25 29 34 55 62 45 1977 67 59 43 41 33 28 21 22 23 34 54 60 40 1978 57 60 53 35 26 23 24 24 25 29 53 54 39 1979 54 58 48 35 37 25 24 23 28 33 47 64 40 1980 62 55 54 38 31 28 24 23 29 37 46 54 40 1981 54 54 47 37 31 23 25 23 28 38 41 44 37 1982 56 53 45 35 30 23 22 22 23 42 61 71 40 1983 69 70 54 47 34 26 22 25 27 30 38 60 42 1984 *** 65 57 37 36 26 25 24 25 40 53 68 *** 1985 65 59 48 32 27 24 23 23 23 29 48 66 39 1986 62 64 54 44 37 27 25 26 27 29 58 65 43 1987 56 48 54 35 28 24 27 24 26 42 42 51 38 1988 58 61 48 36 32 26 25 28 24 30 40 *** *** 1989 63 60 49 40 30 25 25 24 28 34 58 54 41 1990 63 63 58 46 31 25 24 24 27 36 50 61 42 1991 69 67 64 42 33 25 23 25 25 41 53 *** *** 1992 60 64 58 49 39 28 23 26 29 59 51 57 45 1993 62 59 60 45 37 28 27 24 26 40 51 54 43 1994 58 53 52 45 37 29 25 27 29 43 55 55 42 1995 55 49 54 48 39 29 26 28 29 37 47 55 41 1996 65 61 62 44 33 30 26 26 27 32 66 65 45 1997 61 57 57 41 40 28 24 20 21 36 58 60 42 1998 71 72 65 51 46 28 23 22 18 29 30 35 41 1999 75 53 58 36 21 17 29 32 26 37 58 55 41 2000 65 64 45 36 40 35 30 36 34 43 63 61 46 2001 61 56 53 42 34 29 27 25 33 40 50 66 43 2002 57 63 56 52 34 27 27 21 16 29 43 65 41 2003 65 62 58 38 37 28 30 19 29 47 41 63 43 MEAN 63 61 54 43 36 29 27 27 29 39 51 60 43 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 18 STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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 1964 31 16 1 1 0 0 0 0 0 0 5 28 82 1965 24 16 4 1 0 0 0 0 0 0 2 20 67 1966 8 12 9 0 0 0 0 0 0 0 4 18 51 1967 24 16 13 1 0 0 0 0 0 *** 5 19 *** 1968 20 27 8 1 0 0 0 0 0 0 0 12 68 1969 20 15 1 1 0 0 0 0 0 0 12 14 63 1970 27 18 13 0 0 0 0 0 0 0 1 22 81 1971 31 27 4 0 0 0 0 0 0 1 3 16 82 1972 25 24 11 0 0 0 0 0 0 0 0 20 80 1973 27 14 9 0 0 0 0 0 0 0 14 19 83 1974 30 22 4 0 0 0 0 0 0 0 15 29 100 1975 30 21 11 1 0 0 0 0 0 0 14 21 98 1976 24 25 19 0 0 0 0 0 0 0 7 22 97 1977 29 21 2 0 0 0 0 0 0 0 10 10 72 1978 22 16 11 0 0 0 0 0 0 0 12 8 69 1979 20 11 14 0 0 0 *** 0 0 0 *** 24 *** 1980 23 22 7 0 0 0 0 0 0 0 3 13 68 1981 20 11 4 2 0 0 0 0 0 0 6 20 63 1982 27 25 23 2 0 0 0 0 0 0 10 26 113 1983 20 20 16 1 0 0 0 0 0 0 3 20 80 1984 *** 23 6 0 0 0 0 0 0 2 0 19 *** 1985 26 14 9 0 0 0 0 0 0 0 2 25 76 1986 29 24 8 0 0 0 0 0 0 0 10 29 100 1987 27 20 4 2 0 0 0 0 0 0 4 13 70 1988 23 25 7 2 0 0 0 0 0 0 8 *** *** 1989 31 23 8 3 0 0 0 0 0 0 8 22 95 1990 31 20 13 0 0 0 0 0 0 0 5 19 88 1991 25 20 5 0 0 0 0 0 0 0 16 *** *** 1992 31 29 18 3 0 0 0 0 0 16 7 17 121 1993 24 19 9 1 0 0 0 0 0 0 2 26 81 1994 29 26 8 1 0 0 0 0 0 0 1 21 86 1995 24 20 13 0 0 0 0 0 0 0 9 30 96 1996 29 11 7 0 0 0 0 0 0 0 0 27 74 1997 31 28 26 0 0 0 0 0 0 0 1 21 107 1998 27 8 5 1 0 0 0 0 0 0 3 2 46 1999 10 3 13 3 0 0 0 0 0 0 5 24 58 2000 21 25 15 0 0 0 0 0 0 0 1 9 71 2001 24 21 10 0 0 0 0 0 0 0 9 4 68 2002 20 21 10 0 0 0 0 0 0 0 6 19 76 2003 28 7 3 0 0 0 0 0 0 0 13 11 62 MEAN 25 19 10 1 0 0 0 0 0 0 6 19 80 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 19 STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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 1964 0 0 0 0 0 0 0 0 0 0 0 0 0 1965 0 0 0 0 0 0 0 0 0 0 0 0 0 1966 0 0 0 0 0 1 0 0 0 0 0 0 1 1967 0 0 0 0 0 0 0 0 0 *** 0 0 *** 1968 0 0 0 0 0 0 0 0 0 0 0 0 0 1969 0 0 0 0 0 0 0 0 0 0 0 0 0 1970 0 0 0 0 0 1 0 0 0 0 0 0 1 1971 0 0 0 0 0 0 0 0 0 0 0 0 0 1972 0 0 0 0 0 0 0 0 0 0 0 0 0 1973 0 0 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 1 0 0 0 0 0 1 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 *** 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 *** 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 *** *** 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 *** *** 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 2001 0 0 0 0 0 0 0 0 0 0 0 0 0 2002 0 0 0 0 0 0 0 0 0 0 0 0 0 2003 0 0 0 0 0 0 1 0 0 0 0 0 1 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 0 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 20 STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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 1964 *** 0 0 0 0 0 0 *** *** *** *** 0 *** 1965 *** 1 0 0 0 0 0 0 0 0 0 0 *** 1966 0 0 0 0 0 0 0 0 0 0 0 0 0 1967 0 1 0 0 0 0 0 0 *** *** *** *** *** 1968 1 5 0 *** 0 0 0 0 0 0 0 0 *** 1969 1 1 0 0 0 0 0 0 0 0 0 0 2 1970 4 0 0 0 0 0 0 0 0 0 0 0 4 1971 2 2 0 0 0 0 0 0 0 0 0 0 4 1972 2 10 0 0 0 0 0 0 0 0 0 7 19 1973 5 0 0 0 0 0 0 0 0 0 0 0 5 1974 2 5 0 0 0 0 0 0 0 0 0 0 7 1975 0 0 0 0 0 0 0 0 0 0 0 1 1 1976 2 3 0 0 0 0 0 0 0 0 0 0 5 1977 12 0 0 0 0 0 0 0 0 0 0 0 12 1978 0 0 0 0 0 0 0 0 0 0 0 0 0 1979 4 0 0 0 0 0 0 0 0 0 0 5 9 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 5 1 0 0 0 0 0 0 0 0 0 1 7 1983 2 1 0 0 0 0 0 0 0 0 0 1 4 1984 *** 2 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 2 2 1987 2 0 0 0 0 0 0 0 0 0 0 0 2 1988 2 4 0 0 0 0 0 0 0 0 0 *** *** 1989 16 3 0 0 0 0 0 0 0 0 0 0 19 1990 1 0 0 0 0 0 0 0 0 0 0 3 4 1991 1 0 0 0 0 0 0 0 0 0 0 *** *** 1992 10 1 0 0 0 0 0 0 0 0 0 0 11 1993 3 1 0 0 0 0 0 0 0 0 0 0 4 1994 0 0 0 0 0 0 0 0 0 0 0 3 3 1995 0 0 0 0 0 0 0 0 0 0 0 0 0 1996 6 0 0 0 0 0 0 0 0 0 0 0 6 1997 2 0 0 0 0 0 0 0 0 0 0 6 8 1998 5 4 0 0 0 0 0 0 0 0 0 0 9 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 2001 0 0 0 0 0 0 0 0 0 0 0 0 0 2002 0 0 0 0 0 0 0 0 0 0 0 0 0 2003 0 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 2 1 0 0 0 0 0 0 0 0 0 1 4 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 21 STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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 1964 *** 0 0 0 0 20 29 *** *** *** *** 0 *** 1965 *** 0 0 0 0 11 24 12 1 0 0 0 *** 1966 0 0 0 0 0 16 30 31 18 4 0 0 99 1967 0 0 0 0 0 8 21 5 *** *** *** *** *** 1968 0 0 0 *** 3 16 18 15 2 0 0 0 *** 1969 0 0 0 0 0 9 26 12 0 0 0 0 47 1970 0 0 0 0 4 23 27 29 8 1 0 0 92 1971 0 0 0 0 0 10 31 28 6 0 0 0 75 1972 0 0 0 0 3 23 31 18 21 0 1 0 97 1973 0 0 0 0 11 28 30 29 26 4 0 0 128 1974 0 0 0 0 13 25 31 30 14 0 0 0 113 1975 0 0 0 0 11 26 31 31 16 0 0 0 115 1976 0 0 0 0 0 24 31 30 14 0 0 0 99 1977 0 0 0 0 1 25 31 30 22 2 0 0 111 1978 0 0 0 0 4 24 25 30 18 0 0 0 101 1979 0 0 0 0 0 28 31 22 15 0 0 0 96 1980 0 0 0 0 2 27 31 30 10 1 0 0 101 1981 0 0 0 0 0 8 25 27 0 0 0 0 60 1982 0 0 0 0 0 25 30 31 9 0 0 0 95 1983 0 0 0 0 0 26 31 31 24 0 0 0 112 1984 *** 0 0 0 0 23 27 31 11 0 0 0 *** 1985 0 0 0 0 4 26 31 28 24 3 0 0 116 1986 0 0 0 0 0 15 24 19 7 0 0 0 65 1987 0 0 0 0 8 27 24 24 17 1 0 0 101 1988 0 0 0 0 5 19 27 26 11 0 0 *** *** 1989 0 0 0 0 5 20 24 26 11 0 0 0 86 1990 0 0 0 0 1 21 27 31 12 0 0 0 92 1991 0 0 0 0 0 19 31 28 17 0 0 *** *** 1992 0 0 0 0 0 11 28 17 2 0 0 0 58 1993 0 0 0 0 0 14 23 19 10 0 0 0 66 1994 0 0 0 0 0 19 29 31 5 0 0 0 84 1995 0 0 0 0 0 5 29 28 7 1 0 0 70 1996 0 0 0 0 0 13 16 17 12 0 0 0 58 1997 0 0 0 0 0 6 31 31 7 0 0 0 75 1998 0 0 0 0 0 17 20 19 10 0 0 0 66 1999 0 0 0 0 0 28 22 29 26 2 0 0 107 2000 0 0 0 0 0 19 31 31 27 3 0 0 111 2001 0 0 0 0 4 21 30 28 21 0 0 0 104 2002 0 0 0 0 8 21 31 30 25 0 0 0 115 2003 0 0 0 0 0 21 31 31 25 0 0 0 108 MEAN 0 0 0 0 2 19 28 26 13 1 0 0 89 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 22 STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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 1964 *** 0 0 0 0 0 0 *** *** *** *** 0 *** 1965 *** 0 0 0 0 0 0 0 0 0 0 0 *** 1966 0 0 0 0 0 0 0 0 0 0 0 0 0 1967 0 0 0 0 0 0 0 0 *** *** *** *** *** 1968 0 0 0 *** 0 0 0 0 0 0 0 0 *** 1969 0 0 0 0 0 0 0 0 0 0 0 0 0 1970 0 0 0 0 0 0 0 0 0 0 0 0 0 1971 0 0 0 0 0 0 0 2 0 0 0 0 2 1972 0 0 0 0 0 0 1 0 0 0 0 0 1 1973 0 0 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 *** 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 *** *** 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 *** *** 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 2001 0 0 0 0 0 0 0 0 0 0 0 0 0 2002 0 0 0 0 0 0 0 0 0 0 0 0 0 2003 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 HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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 1964 *** 0 0 0 0 0 0 *** *** *** *** 0 *** 1965 *** 0 0 0 0 0 0 0 0 0 0 0 *** 1966 0 0 0 0 0 0 0 0 0 0 0 0 0 1967 0 0 0 0 0 0 0 0 *** *** *** *** *** 1968 0 0 0 *** 0 0 0 0 0 0 0 0 *** 1969 0 0 0 0 0 0 0 0 0 0 0 0 0 1970 0 0 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 0 0 0 0 1973 0 0 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 *** 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 *** *** 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 *** *** 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 2001 0 0 0 0 0 0 0 0 0 0 0 0 0 2002 0 0 0 0 0 0 0 0 0 0 0 0 0 2003 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 HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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 -------------- 1964 31 25 16 4 0 0 0 0 0 9 19 30 134 10 23 4 24 1965 30 22 18 8 0 0 0 0 0 0 12 28 118 11 11 4 12 1966 18 24 23 3 0 0 0 0 0 0 18 31 117 11 5 4 4 1967 30 25 24 11 0 0 0 0 0 *** 10 25 *** 11 13 4 29 1968 23 28 12 11 0 0 0 0 0 4 13 25 116 10 23 4 26 1969 28 25 4 6 0 0 0 0 0 0 21 30 114 11 10 4 23 1970 29 26 20 4 0 0 0 0 0 9 10 27 125 10 15 4 25 1971 31 28 12 4 0 0 0 0 0 9 11 25 120 10 9 4 24 1972 31 27 25 2 1 0 0 0 0 0 5 27 118 11 22 5 6 1973 30 24 14 5 0 0 0 0 0 1 18 30 122 10 26 4 13 1974 31 25 10 0 0 0 0 0 0 3 24 31 124 10 16 3 14 1975 31 22 16 4 0 0 0 0 0 11 19 28 131 10 14 4 4 1976 27 27 27 8 0 0 0 0 0 0 17 31 137 11 3 4 25 1977 31 23 5 4 0 0 0 0 0 1 19 17 100 10 28 4 18 1978 27 25 16 3 2 0 0 0 0 3 23 15 114 10 13 5 6 1979 26 22 27 5 0 0 *** 0 0 4 *** 30 *** 10 28 4 28 1980 29 27 11 4 0 0 0 0 0 8 14 28 121 10 17 4 20 1981 31 22 10 4 0 0 0 0 2 13 21 30 133 9 26 4 19 1982 31 28 31 5 0 0 0 0 0 0 19 30 144 11 6 4 5 1983 28 28 27 10 0 0 0 0 0 11 24 27 155 10 15 4 18 1984 *** 28 19 7 1 0 0 0 0 11 12 28 *** 10 21 5 2 1985 29 25 16 4 0 0 0 0 0 6 15 28 123 10 15 4 10 1986 31 27 29 0 0 0 0 0 0 1 17 31 136 10 27 3 31 1987 31 26 24 10 0 0 0 0 0 3 18 27 139 10 12 4 10 1988 31 27 20 8 0 0 0 0 0 0 13 *** *** 11 15 4 9 1989 31 27 25 12 0 0 0 0 0 3 20 27 145 10 18 4 14 1990 31 26 23 12 0 0 0 0 0 3 23 29 147 10 18 4 24 1991 30 25 17 4 0 0 0 0 0 1 25 *** *** 10 31 4 9 1992 31 29 30 11 0 0 0 0 0 22 15 27 165 10 3 4 20 1993 31 28 20 8 0 0 0 0 0 5 18 31 141 10 7 4 15 1994 31 28 19 4 0 0 0 0 0 3 7 25 117 10 10 4 12 1995 31 28 21 7 0 0 0 0 0 7 15 31 140 10 19 4 28 1996 31 21 20 2 0 0 0 0 0 0 11 31 116 11 5 4 5 1997 31 28 31 0 0 0 0 0 0 5 15 29 139 10 25 3 31 1998 31 27 24 4 0 0 0 0 0 3 29 14 132 10 29 4 11 1999 28 22 27 14 0 0 0 0 0 6 20 30 147 10 21 4 22 2000 30 29 31 5 0 0 0 0 0 0 21 26 142 11 4 4 27 2001 31 26 27 1 0 0 0 0 0 1 24 27 137 10 14 4 12 2002 28 28 27 9 0 0 0 0 0 5 24 31 152 10 26 4 25 2003 31 18 24 2 3 0 0 0 0 0 25 21 124 11 3 5 8 MEAN 30 26 21 6 0 0 0 0 0 4 18 27 132 9 26 5 8 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 25 STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 MET. AVERAGE OF DRY BULB TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 -7.7 3.4 8.4 10.4 16.2 20.4 23.7 22.4 18.6 11.7 6.5 -2.2 11.0 1965 -1.0 2.5 7.3 10.0 16.3 19.2 21.6 20.1 17.0 14.4 9.1 5.1 11.8 1966 6.5 3.7 6.1 11.9 16.3 20.9 21.4 22.7 21.1 15.7 9.9 4.9 13.4 1967 -0.2 0.8 4.4 8.8 17.5 20.2 23.0 20.4 18.9 13.1 9.1 3.4 11.6 1968 1.9 -1.6 7.3 10.4 14.9 20.7 20.8 21.5 17.7 13.3 8.8 3.6 11.6 1969 -0.2 2.2 9.5 10.1 15.9 19.8 22.5 20.7 16.5 15.0 7.6 5.9 12.1 1970 2.4 1.1 7.3 13.5 17.2 24.1 23.6 23.4 19.0 13.0 10.8 1.4 13.1 1971 -4.2 -1.3 8.2 11.0 16.9 19.7 25.3 24.1 17.1 12.8 8.4 0.9 11.6 1972 -3.0 -6.2 4.2 10.5 13.8 20.7 23.7 20.3 19.7 15.1 11.4 -0.8 10.8 1973 -3.5 3.4 6.8 12.7 17.3 22.4 24.7 22.4 21.3 15.6 7.9 4.5 12.9 1974 -4.5 -1.9 8.5 12.7 17.6 21.6 22.4 22.2 19.0 12.6 7.7 1.6 11.6 1975 -0.1 1.3 6.8 10.9 17.0 21.2 24.0 23.6 20.0 12.7 6.7 1.7 12.1 1976 0.2 -1.5 3.1 11.0 15.3 21.1 24.1 22.7 20.2 14.5 6.2 3.5 11.7 1977 -3.9 3.4 10.5 10.6 16.2 22.7 25.4 23.4 20.3 14.0 6.6 4.6 12.8 1978 2.9 3.7 6.5 12.6 16.8 20.6 21.5 22.1 19.3 14.2 5.3 6.5 12.7 1979 0.4 4.8 5.4 13.7 15.2 20.9 23.7 20.8 18.3 14.5 7.8 -1.2 12.0 1980 -1.1 1.4 5.5 12.6 16.3 21.5 22.3 23.1 18.7 14.0 8.6 3.2 12.2 1981 1.6 2.8 7.4 11.6 15.9 20.7 22.4 22.6 17.1 11.2 8.3 5.0 12.2 1982 -0.5 -0.1 3.7 12.1 17.2 21.9 22.9 23.8 19.4 12.3 5.1 -1.2 11.4 1983 -2.2 -1.0 3.4 9.2 17.0 21.6 24.3 23.4 20.9 12.5 8.8 2.1 11.7 1984 ****** 0.7 6.3 11.8 13.6 21.2 21.9 23.1 18.3 11.4 7.9 0.3 ****** 1985 0.3 2.5 7.4 12.8 16.9 22.3 24.0 22.0 20.9 14.6 8.1 0.4 12.7 1986 1.8 1.4 4.0 10.5 15.8 20.8 22.4 21.0 17.8 14.8 5.4 -0.2 11.3 1987 1.5 4.0 5.6 12.9 19.1 22.3 22.1 22.3 20.6 12.9 8.7 3.8 13.0 1988 1.4 0.6 7.0 12.0 17.7 22.0 23.7 22.4 19.4 15.1 7.9 ****** ****** 1989 -4.4 -1.3 6.1 10.8 15.8 22.1 23.3 22.5 18.0 13.4 6.4 0.8 11.1 1990 -3.0 0.6 5.2 10.8 17.1 21.7 23.2 23.5 19.6 13.3 8.4 2.2 11.9 1991 -0.2 0.6 5.1 11.9 15.5 21.6 23.9 22.6 19.4 12.1 7.1 ****** ****** 1992 -4.6 -4.0 0.9 8.9 13.5 19.2 22.5 20.6 16.8 1.1 7.7 0.8 8.6 1993 -1.2 -0.0 3.4 10.7 14.2 19.3 21.4 20.6 18.6 11.7 7.2 2.5 10.7 1994 -0.6 0.6 6.0 10.9 15.1 20.9 24.7 24.1 16.2 11.6 6.7 -0.0 11.4 1995 2.1 1.5 4.8 10.3 14.0 18.6 23.6 22.5 17.9 13.1 8.3 -3.0 11.1 1996 -4.6 3.1 4.3 10.9 15.8 20.6 21.0 21.0 19.5 14.5 5.0 0.0 10.9 1997 -1.3 -0.4 1.4 11.8 15.4 21.5 25.5 24.4 20.2 14.7 6.6 0.1 11.7 1998 -3.2 1.0 5.0 13.1 18.0 22.4 24.3 23.7 21.4 15.1 10.1 9.7 13.4 1999 2.6 5.3 5.0 10.3 17.5 24.3 23.9 24.0 21.8 15.3 7.6 4.6 13.5 2000 1.8 1.9 5.4 15.1 19.8 21.9 25.3 25.3 22.4 14.7 6.6 4.3 13.7 2001 1.0 3.1 8.7 13.5 17.6 22.7 25.8 24.9 21.4 15.2 8.2 5.0 13.9 2002 1.8 3.3 7.0 11.0 21.3 22.9 25.7 25.0 22.8 16.8 8.0 2.6 14.0 2003 1.8 4.9 6.2 13.4 17.1 23.5 27.4 26.1 21.2 16.0 9.0 5.8 14.4 MEAN -0.6 1.3 5.9 11.5 16.4 21.3 23.5 22.7 19.3 13.5 7.8 2.4 12.1 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 26 STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 MET. AVERAGE OF DEW POINT TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 -11.3 -5.6 -4.1 -5.5 -3.5 1.3 4.9 3.7 -0.8 -2.5 -3.2 -6.5 -2.8 1965 -5.2 -3.9 -3.4 -3.0 -0.7 0.6 4.5 3.3 1.3 2.5 -0.4 -2.8 -0.6 1966 -0.8 -3.8 -3.9 2.4 8.5 14.7 10.2 9.9 10.4 7.1 0.1 -2.3 4.4 1967 -7.6 -5.0 -3.2 0.9 8.5 2.0 6.3 7.6 4.5 0.1 0.0 -4.3 0.8 1968 -6.0 -8.3 -2.6 -1.1 2.9 2.7 3.6 4.2 -0.2 -0.4 -1.4 -2.8 -0.8 1969 -5.9 -4.4 -0.4 -0.5 2.8 5.8 6.5 7.3 6.2 6.0 0.5 -2.6 1.8 1970 -5.0 -3.0 -1.4 0.9 1.7 10.8 5.5 5.9 2.7 -1.0 -2.1 -7.9 0.6 1971 -13.6 -8.2 -1.0 -0.6 2.1 3.1 3.4 3.0 0.6 -0.1 -1.3 -8.4 -1.8 1972 -11.8 -15.3 -2.2 -0.2 1.2 3.5 5.6 4.2 3.5 2.4 0.2 -9.7 -1.6 1973 -9.4 -2.3 -1.3 1.2 2.3 2.2 6.0 4.9 4.8 2.5 -2.4 -3.2 0.4 1974 -10.4 -7.5 0.1 1.3 3.5 4.9 5.3 5.1 2.7 1.0 -2.2 -5.0 -0.1 1975 -6.4 -4.5 -1.6 0.0 2.7 4.0 6.3 5.2 2.6 -0.5 -2.5 -3.6 0.1 1976 -5.5 -6.8 -3.6 -0.9 1.4 2.6 5.8 4.1 4.1 1.1 -2.2 -3.2 -0.2 1977 -8.7 -4.5 -1.1 -0.7 1.5 3.9 3.9 1.9 1.3 -0.0 -2.2 -2.2 -0.6 1978 -4.3 -3.2 -2.4 -1.3 -0.9 0.5 1.0 1.3 0.2 -1.7 -3.0 -2.5 -1.4 1979 -5.5 -2.8 -3.6 -0.3 1.0 1.3 3.1 0.6 0.8 -1.0 -3.2 -7.2 -1.4 1980 -6.7 -5.3 -2.9 -1.1 0.5 2.7 2.6 2.9 1.2 0.3 -1.6 -4.3 -1.0 1981 -5.9 -4.6 -2.6 -1.5 0.2 0.6 2.1 2.0 0.3 -1.1 -3.5 -4.9 -1.6 1982 -7.2 -7.6 -5.6 -1.0 1.3 2.0 2.0 3.3 0.5 -0.7 -2.3 -5.4 -1.7 1983 -7.0 -5.9 -4.6 -1.6 1.7 2.7 2.9 3.8 3.0 -2.7 -3.9 -4.7 -1.4 1984 ****** -5.8 -2.8 -2.9 -1.5 1.9 2.2 2.2 -0.6 -2.1 -1.6 -5.6 ****** 1985 -5.8 -4.6 -3.0 -1.8 -0.5 1.5 2.4 1.9 1.0 -0.8 -2.2 -5.1 -1.4 1986 -4.7 -5.2 -3.8 -0.7 0.6 2.1 2.6 2.0 0.6 -1.2 -2.1 -5.7 -1.3 1987 -5.7 -5.3 -2.7 -1.7 0.8 2.1 3.2 3.3 3.0 0.9 -2.9 -4.3 -0.8 1988 -5.6 -5.9 -3.3 -1.6 1.1 2.1 3.5 3.6 0.8 0.1 -4.3 ****** ****** 1989 -9.9 -7.3 -3.1 -1.2 0.0 2.6 3.3 2.8 1.4 -1.4 -2.2 -7.3 -1.9 1990 -9.1 -5.7 -3.6 -1.8 -0.5 1.7 2.3 3.8 1.6 -0.5 -2.8 -6.0 -1.7 1991 -5.8 -5.8 -2.6 -1.1 -0.4 2.1 2.4 2.2 0.6 -0.9 -4.6 ****** ****** 1992 -11.4 -10.1 -6.5 -2.5 0.1 2.6 3.6 3.7 2.5 -7.9 -4.0 -7.1 -3.1 1993 -7.6 -6.6 -4.8 -1.5 -0.2 1.6 3.0 2.6 1.9 -1.4 -2.9 -6.4 -1.9 1994 -8.2 -8.0 -4.3 -0.8 0.6 3.7 4.5 5.6 0.2 -1.0 -2.8 -8.5 -1.6 1995 -6.7 -7.9 -4.3 -1.1 0.1 1.1 5.4 4.6 2.3 -0.7 -3.0 -11.0 -1.8 1996 -10.2 -4.1 -3.1 -1.0 0.6 2.3 2.9 2.6 3.0 -0.6 -2.1 -5.9 -1.3 1997 -7.9 -7.4 -6.0 -0.0 2.6 4.2 6.4 2.5 -2.5 0.2 -1.1 -6.5 -1.3 1998 -7.8 -3.1 -2.5 1.8 6.6 4.2 5.1 1.5 -0.4 -1.6 -5.3 -5.1 -0.5 1999 -1.6 -2.9 -2.1 -2.5 -1.0 1.9 4.7 8.0 3.7 0.7 0.0 -4.6 0.4 2000 -4.0 -4.5 -4.6 2.0 5.6 8.3 6.2 10.8 7.1 1.3 -0.8 -2.7 2.1 2001 -5.2 -4.2 -0.4 0.8 2.8 4.2 6.2 4.7 4.1 1.5 -2.8 -1.4 0.9 2002 -5.2 -4.0 -2.8 0.4 4.6 2.1 5.3 4.3 1.1 -0.5 -3.0 -3.8 -0.1 2003 -4.7 -2.3 -2.0 -0.2 1.0 4.0 6.2 1.8 2.3 2.5 -2.6 -2.7 0.3 MEAN -6.9 -5.6 -3.0 -0.8 1.5 3.2 4.3 4.0 2.1 -0.0 -2.2 -5.1 -0.7 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 27 STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 MET. AVERAGE OF MIXING RATIO IN G/KG YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 2.48 3.39 3.82 3.54 4.14 5.88 7.31 6.92 4.89 4.52 4.09 3.39 4.53 1965 3.58 4.01 4.02 4.17 4.82 5.39 7.12 6.70 5.69 6.00 5.10 4.36 5.08 1966 4.93 3.92 3.90 5.98 9.26 14.46 10.64 10.26 10.51 8.28 5.04 4.28 7.62 1967 2.98 3.62 4.35 5.64 9.52 6.21 8.20 8.55 7.08 5.43 5.42 3.76 5.90 1968 3.52 3.10 4.16 4.59 6.21 6.37 6.52 6.80 4.94 4.88 4.51 4.09 4.97 1969 3.53 3.71 4.84 4.81 6.23 7.71 7.91 8.34 7.87 8.00 5.52 4.15 6.05 1970 3.68 4.21 4.57 5.39 5.66 11.12 7.35 7.62 6.15 4.74 4.27 3.10 5.65 1971 2.37 3.25 4.63 4.71 5.77 6.32 6.39 6.34 5.27 5.02 4.62 2.94 4.80 1972 2.44 2.23 4.32 4.91 5.47 6.39 7.71 6.99 6.40 5.95 5.05 3.00 5.07 1973 2.70 4.38 4.64 5.45 5.89 5.80 7.78 7.15 6.99 6.11 4.46 4.14 5.46 1974 2.51 3.20 5.07 5.43 6.46 7.12 7.25 7.27 6.02 5.32 4.40 3.74 5.32 1975 3.34 3.87 4.49 4.95 6.04 6.70 7.91 7.33 6.02 4.82 4.23 3.94 5.30 1976 3.49 3.18 3.95 4.76 5.51 6.23 7.65 6.67 6.80 5.37 4.26 3.98 5.15 1977 2.69 3.69 4.56 4.71 5.53 6.60 6.56 5.68 5.40 4.91 4.28 4.23 4.90 1978 3.80 3.98 4.18 4.48 4.61 5.09 5.29 5.40 4.95 4.34 4.01 4.15 4.52 1979 3.43 4.05 3.86 4.82 5.35 5.41 6.14 5.14 5.26 4.60 3.93 3.01 4.58 1980 3.08 3.41 4.07 4.57 5.10 6.00 5.98 6.05 5.35 5.11 4.43 3.65 4.73 1981 3.29 3.57 4.08 4.41 4.98 5.21 5.75 5.73 5.04 4.57 3.86 3.47 4.50 1982 2.93 2.83 3.31 4.60 5.37 5.69 5.70 6.27 5.09 4.66 4.19 3.39 4.50 1983 3.03 3.28 3.54 4.40 5.59 5.97 6.02 6.50 6.18 4.10 3.72 3.56 4.66 1984 ****** 3.29 4.02 3.99 4.42 5.61 5.77 5.77 4.69 4.24 4.39 3.36 ****** 1985 3.36 3.58 3.98 4.28 4.70 5.45 5.83 5.63 5.25 4.66 4.20 3.47 4.53 1986 3.59 3.43 3.78 4.67 5.18 5.76 5.93 5.73 5.18 4.52 4.31 3.32 4.62 1987 3.30 3.41 4.10 4.38 5.21 5.68 6.18 6.20 6.13 5.29 4.04 3.61 4.79 1988 3.33 3.35 3.93 4.42 5.37 5.83 6.53 6.41 5.26 4.98 3.64 ****** ****** 1989 2.42 3.00 3.99 4.59 4.94 5.95 6.29 6.03 5.51 4.47 4.28 2.98 4.54 1990 2.55 3.35 3.85 4.36 4.71 5.56 5.83 6.55 5.56 4.80 4.09 3.31 4.54 1991 3.35 3.32 4.10 4.51 4.75 5.80 5.87 5.83 5.13 4.59 3.76 ****** ****** 1992 2.29 2.39 3.15 4.14 5.04 6.12 6.56 6.73 6.23 3.06 3.84 3.00 4.38 1993 2.88 3.17 3.58 4.41 4.85 5.74 6.22 6.11 5.73 4.50 4.01 3.16 4.53 1994 2.78 2.82 3.70 4.65 5.15 6.59 6.93 7.78 5.10 4.62 4.09 2.82 4.75 1995 3.16 2.85 3.67 4.54 4.96 5.32 7.58 7.07 5.95 4.78 4.08 2.31 4.69 1996 2.49 3.73 3.98 4.57 5.14 5.91 6.27 5.96 6.38 4.97 4.26 3.29 4.74 1997 2.89 3.01 3.32 5.16 5.97 6.68 7.67 5.87 4.13 5.10 4.59 3.20 4.80 1998 2.90 3.99 4.20 5.70 8.17 6.72 7.32 5.64 4.90 4.55 3.45 3.50 5.09 1999 4.59 4.32 4.28 4.36 4.76 5.96 7.19 8.82 6.56 5.34 5.14 3.74 5.42 2000 3.89 3.77 3.66 5.84 7.67 9.79 7.87 11.15 8.66 5.79 4.71 4.23 6.42 2001 3.56 3.77 4.91 5.33 6.17 6.69 7.79 6.88 6.62 5.57 4.14 4.49 5.49 2002 3.51 3.80 4.09 5.11 6.87 5.78 7.23 6.71 5.50 4.82 4.00 3.81 5.10 2003 3.59 4.20 4.26 4.87 5.39 6.62 7.96 5.74 5.95 6.01 4.18 4.15 5.24 MEAN 3.19 3.49 4.07 4.76 5.67 6.48 6.90 6.76 5.91 5.08 4.31 3.58 5.02 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 28 STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 MET. AVERAGE OF VAPOUR PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 3.07 4.23 4.78 4.45 5.21 7.41 9.22 8.72 6.17 5.67 5.12 4.21 5.69 1965 4.46 4.99 5.03 5.24 6.08 6.80 8.97 8.43 7.16 7.53 6.38 5.45 6.38 1966 6.16 4.90 4.87 7.50 11.58 18.00 13.33 12.88 13.18 10.37 6.32 5.35 9.54 1967 3.71 4.50 5.43 7.05 11.92 7.82 10.33 10.75 8.91 6.81 6.78 4.69 7.39 1968 4.39 3.86 5.21 5.76 7.79 8.02 8.23 8.58 6.23 6.13 5.65 5.11 6.25 1969 4.40 4.63 6.06 6.03 7.83 9.69 9.97 10.49 9.87 10.02 6.91 5.20 7.59 1970 4.60 5.24 5.72 6.77 7.13 13.94 9.28 9.61 7.75 5.96 5.36 3.87 7.10 1971 2.95 4.05 5.79 5.91 7.26 7.97 8.09 8.01 6.64 6.31 5.79 3.67 6.04 1972 3.03 2.77 5.39 6.15 6.87 8.06 9.73 8.80 8.07 7.48 6.33 3.75 6.37 1973 3.36 5.47 5.80 6.84 7.42 7.33 9.82 9.01 8.82 7.68 5.59 5.18 6.86 1974 3.11 3.99 6.34 6.82 8.14 8.98 9.14 9.17 7.59 6.68 5.52 4.67 6.68 1975 4.16 4.82 5.63 6.21 7.60 8.45 9.99 9.26 7.59 6.06 5.29 4.92 6.67 1976 4.35 3.96 4.93 5.97 6.93 7.86 9.66 8.43 8.57 6.75 5.33 4.97 6.48 1977 3.35 4.61 5.73 5.90 6.96 8.34 8.31 7.19 6.83 6.18 5.35 5.29 6.17 1978 4.75 4.97 5.23 5.64 5.82 6.44 6.70 6.83 6.26 5.47 5.01 5.20 5.69 1979 4.28 5.06 4.84 6.06 6.73 6.84 7.77 6.50 6.64 5.79 4.93 3.75 5.77 1980 3.84 4.25 5.09 5.74 6.43 7.58 7.57 7.65 6.75 6.43 5.56 4.56 5.95 1981 4.11 4.46 5.12 5.54 6.27 6.59 7.27 7.26 6.35 5.74 4.84 4.35 5.66 1982 3.65 3.53 4.14 5.78 6.77 7.20 7.22 7.94 6.43 5.85 5.23 4.22 5.67 1983 3.77 4.09 4.42 5.52 7.05 7.55 7.63 8.22 7.81 5.16 4.67 4.45 5.86 1984 ****** 4.10 5.03 5.02 5.57 7.09 7.30 7.31 5.92 5.33 5.50 4.18 ****** 1985 4.19 4.47 4.99 5.39 5.93 6.90 7.38 7.12 6.64 5.87 5.26 4.32 5.71 1986 4.48 4.27 4.73 5.86 6.52 7.28 7.50 7.24 6.54 5.69 5.39 4.14 5.80 1987 4.11 4.27 5.13 5.51 6.58 7.19 7.81 7.84 7.74 6.64 5.07 4.51 6.03 1988 4.16 4.17 4.92 5.56 6.77 7.37 8.26 8.10 6.64 6.28 4.56 ****** ****** 1989 3.01 3.74 5.00 5.76 6.23 7.52 7.96 7.62 6.95 5.63 5.36 3.72 5.71 1990 3.18 4.17 4.82 5.48 5.95 7.03 7.38 8.28 7.02 6.04 5.13 4.14 5.72 1991 4.17 4.14 5.13 5.67 5.98 7.33 7.44 7.38 6.48 5.76 4.71 ****** ****** 1992 2.85 2.98 3.94 5.19 6.33 7.72 8.29 8.48 7.84 3.82 4.82 3.74 5.50 1993 3.59 3.95 4.47 5.54 6.10 7.24 7.86 7.72 7.23 5.66 5.03 3.95 5.69 1994 3.46 3.53 4.63 5.83 6.49 8.32 8.77 9.82 6.43 5.80 5.12 3.52 5.98 1995 3.95 3.56 4.60 5.69 6.24 6.72 9.57 8.93 7.50 6.01 5.12 2.88 5.90 1996 3.09 4.66 4.97 5.74 6.47 7.46 7.92 7.53 8.04 6.25 5.32 4.09 5.96 1997 3.60 3.75 4.14 6.47 7.50 8.43 9.70 7.43 5.23 6.41 5.75 3.99 6.03 1998 3.61 4.97 5.25 7.15 10.26 8.48 9.24 7.14 6.19 5.73 4.33 4.39 6.39 1999 5.72 5.39 5.35 5.47 6.00 7.53 9.07 11.11 8.28 6.72 6.42 4.68 6.81 2000 4.85 4.71 4.58 7.34 9.64 12.28 9.94 13.99 10.90 7.27 5.89 5.28 8.06 2001 4.44 4.71 6.15 6.69 7.76 8.45 9.85 8.70 8.35 7.01 5.18 5.61 6.91 2002 4.38 4.75 5.12 6.41 8.66 7.31 9.14 8.49 6.95 6.07 5.01 4.75 6.42 2003 4.49 5.25 5.33 6.12 6.79 8.37 10.05 7.26 7.51 7.56 5.24 5.19 6.60 MEAN 3.97 4.35 5.10 5.97 7.14 8.17 8.72 8.53 7.45 6.39 5.40 4.47 6.30 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 29 STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 MET. AVERAGE OF SATURATION DEFICIT PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 0.76 3.95 6.82 8.79 14.73 18.87 22.14 20.97 17.42 9.60 5.38 1.52 10.91 1965 1.56 2.74 5.78 8.00 13.87 17.18 18.40 16.67 13.61 9.60 5.75 3.97 9.76 1966 4.10 3.39 5.10 7.18 7.64 7.82 13.91 16.40 13.20 8.32 6.12 3.54 8.06 1967 2.66 2.19 3.45 4.87 9.39 17.39 18.94 14.52 14.15 9.25 5.71 3.52 8.84 1968 3.08 1.99 5.58 7.52 10.53 18.64 18.35 18.90 15.86 10.22 6.36 3.10 10.01 1969 1.96 2.88 6.18 6.94 11.35 14.88 19.33 15.57 9.82 7.78 4.58 5.02 8.86 1970 3.48 1.69 5.43 9.87 14.01 17.84 21.90 21.15 16.51 10.45 8.78 4.03 11.26 1971 1.95 2.07 5.74 7.98 12.91 16.84 27.66 24.66 14.84 9.82 6.09 3.37 11.16 1972 2.20 1.69 3.37 7.23 10.20 18.69 22.53 17.21 17.32 11.31 8.43 2.93 10.26 1973 1.84 2.95 4.77 8.94 14.16 22.63 24.34 20.60 19.17 12.02 6.45 4.26 11.84 1974 1.65 1.96 5.50 8.61 13.69 18.78 19.90 20.17 16.11 9.08 6.61 3.03 10.42 1975 2.72 2.71 5.19 7.55 13.22 18.92 22.17 22.41 18.07 10.34 5.42 2.49 10.93 1976 2.38 1.98 3.37 8.08 11.62 19.53 22.50 21.43 17.77 11.09 4.75 3.51 10.67 1977 1.56 4.15 7.67 7.77 12.76 21.95 26.59 23.81 19.38 11.35 5.09 3.61 12.14 1978 3.69 3.63 5.21 9.92 15.14 20.40 21.18 22.41 18.74 12.32 4.58 5.25 11.87 1979 3.56 4.06 5.14 11.05 12.35 20.13 23.84 20.07 16.85 12.31 6.82 2.25 11.54 1980 2.13 2.84 4.58 9.74 13.53 20.20 21.65 23.09 17.16 11.42 6.42 3.73 11.37 1981 3.21 3.37 5.86 9.10 13.02 19.68 21.86 22.37 14.94 8.72 6.91 4.98 11.17 1982 2.61 2.85 4.38 9.40 13.99 21.63 23.34 24.22 18.47 9.41 4.01 1.75 11.34 1983 1.77 2.03 3.84 6.87 13.47 20.55 24.97 22.70 19.35 10.88 7.67 3.30 11.45 1984 ****** 3.01 5.26 9.74 10.97 20.00 20.59 23.10 17.12 9.54 5.66 2.54 ****** 1985 2.66 3.45 6.15 10.29 14.91 22.14 24.46 21.25 20.49 12.97 6.40 2.40 12.30 1986 3.10 3.03 3.91 7.39 12.70 19.27 21.21 19.34 15.76 12.57 4.08 2.30 10.39 1987 3.32 4.77 4.45 10.77 16.84 21.72 20.74 20.94 18.59 9.49 7.26 3.88 11.90 1988 3.08 2.78 5.77 9.34 15.10 20.64 23.13 20.88 18.15 12.39 7.06 ****** ****** 1989 1.76 2.32 5.06 8.21 13.18 20.99 22.69 21.46 15.95 11.18 4.88 3.17 10.90 1990 1.99 2.53 4.70 8.42 14.54 20.82 22.76 22.52 17.88 10.69 7.04 3.85 11.48 1991 2.22 2.61 4.06 9.19 12.67 19.94 24.35 22.35 18.50 9.14 6.37 ****** ****** 1992 1.84 1.90 3.09 7.01 10.00 16.22 20.72 17.63 13.18 3.13 6.41 3.05 8.68 1993 2.27 2.57 3.76 8.17 11.10 17.06 19.37 18.33 16.28 9.25 5.73 3.96 9.82 1994 2.82 3.41 5.41 8.16 11.75 18.27 24.57 22.47 13.68 8.76 5.20 3.03 10.63 1995 3.67 3.73 4.55 7.49 10.73 16.03 21.72 20.53 14.77 10.81 7.06 2.58 10.31 1996 1.74 3.44 3.74 8.14 12.60 18.16 18.20 18.88 16.53 11.89 3.62 2.39 9.94 1997 2.44 2.72 3.23 7.96 10.99 18.97 24.79 25.21 20.43 11.81 4.48 2.66 11.31 1998 1.52 1.93 3.91 8.80 11.54 19.86 22.30 23.11 20.47 12.34 9.17 8.12 11.92 1999 1.94 3.86 3.57 7.54 14.95 24.19 22.19 19.92 19.13 12.01 4.75 4.75 11.57 2000 2.83 2.90 5.23 10.99 14.30 16.45 24.88 20.50 18.93 10.93 4.30 3.37 11.30 2001 2.69 3.44 5.78 9.51 13.58 20.88 25.93 25.04 19.39 11.67 6.58 3.40 12.32 2002 3.19 3.68 5.63 7.40 17.85 22.25 25.66 25.74 23.40 14.77 6.36 3.13 13.26 2003 3.32 3.89 4.65 10.20 13.98 22.57 28.90 29.73 20.28 12.05 7.28 4.56 13.45 MEAN 2.49 2.93 4.87 8.50 12.90 19.22 22.37 21.21 17.19 10.57 6.04 3.48 10.98 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 30 STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 MET. AVERAGE OF RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 78 58 47 37 31 32 33 34 30 41 55 76 46 1965 76 68 51 44 35 33 36 37 38 48 54 61 48 1966 62 63 53 56 63 69 52 45 52 59 52 61 57 1967 62 69 64 60 57 36 37 47 42 47 56 59 53 1968 60 65 53 48 49 35 35 34 33 42 52 65 48 1969 67 63 52 51 45 43 40 44 52 56 63 58 53 1970 62 75 57 46 38 45 34 35 38 41 44 54 47 1971 53 63 55 49 39 35 28 29 37 45 54 53 45 1972 55 55 65 52 47 36 35 39 37 46 49 54 48 1973 66 68 59 48 40 30 33 36 38 45 51 61 48 1974 65 68 58 48 42 35 36 36 37 48 53 63 49 1975 64 67 58 50 41 34 33 32 34 44 54 69 48 1976 66 68 64 48 42 33 33 33 38 44 57 64 49 1977 70 60 47 49 41 32 27 27 31 42 55 63 45 1978 61 63 56 41 34 30 28 28 32 37 58 56 44 1979 60 60 55 42 42 30 28 28 34 38 50 67 45 1980 67 63 57 42 37 31 30 29 34 41 51 60 45 1981 60 60 51 43 36 29 28 27 35 46 46 51 43 1982 62 59 53 43 37 29 27 28 31 44 61 74 46 1983 71 71 59 50 39 31 26 29 33 38 44 63 46 1984 *** 64 55 39 38 30 29 27 31 42 54 66 *** 1985 66 62 50 39 33 27 26 28 29 39 51 68 43 1986 64 64 59 48 38 31 29 30 34 36 61 68 47 1987 61 53 58 39 31 28 31 31 34 46 47 57 43 1988 61 65 50 41 36 28 29 31 32 39 45 *** *** 1989 67 65 54 46 37 29 28 29 35 39 56 56 45 1990 64 63 55 44 32 28 27 29 32 42 47 57 43 1991 67 63 59 43 36 29 26 28 32 43 44 *** *** 1992 62 64 59 47 42 35 31 35 41 53 46 56 48 1993 63 62 57 44 39 33 31 32 35 42 50 53 45 1994 58 53 49 46 39 33 28 31 36 44 52 53 44 1995 53 50 53 47 41 33 32 32 37 41 47 55 43 1996 66 60 60 46 38 31 31 31 35 38 61 65 47 1997 62 60 60 47 45 36 32 27 24 40 61 64 47 1998 72 74 61 49 49 34 33 26 26 37 37 39 45 1999 76 61 62 46 34 26 34 37 32 40 60 55 47 2000 68 64 51 44 41 45 32 43 39 45 62 65 50 2001 66 62 56 45 41 32 31 30 35 42 49 65 46 2002 62 61 53 52 36 29 31 31 32 35 49 65 45 2003 67 62 59 43 37 33 32 27 34 44 49 58 45 MEAN 64 63 56 46 40 33 32 32 35 43 52 60 46 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 31 STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 MET. AVERAGE OF MAXIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 88 81 67 52 50 49 46 50 43 56 73 91 62 1965 88 89 68 65 53 48 50 52 51 61 66 78 64 1966 77 80 70 72 76 79 66 55 61 72 62 72 70 1967 76 83 80 74 69 54 49 61 59 64 68 70 67 1968 74 77 68 66 70 54 50 47 49 59 70 77 63 1969 79 71 63 69 67 60 60 59 65 66 75 76 68 1970 76 84 75 66 52 57 48 49 58 56 63 68 63 1971 75 77 75 71 53 47 43 43 53 65 68 66 61 1972 69 74 78 73 68 54 48 55 54 68 67 70 65 1973 77 80 72 65 59 49 48 55 58 63 65 74 64 1974 76 76 70 59 58 47 52 53 57 67 73 73 63 1975 75 77 74 67 56 48 43 44 49 66 68 81 62 1976 75 75 77 67 56 50 44 53 58 67 70 80 64 1977 81 73 63 67 61 44 38 40 50 63 69 74 60 1978 73 77 72 60 54 48 40 43 52 59 78 75 61 1979 79 78 73 62 61 45 42 42 53 56 72 83 62 1980 83 80 74 62 56 45 43 43 53 56 68 79 62 1981 77 77 69 63 51 44 39 38 52 67 64 69 59 1982 78 75 72 65 54 44 40 41 50 62 80 88 62 1983 83 83 77 66 56 47 38 41 48 58 63 77 61 1984 *** 78 69 57 54 44 39 39 48 60 69 76 *** 1985 79 75 65 57 51 39 36 41 45 64 71 79 59 1986 78 76 72 67 54 43 39 42 51 53 74 79 61 1987 76 68 75 55 42 40 43 47 49 62 64 73 58 1988 74 79 65 58 53 39 39 41 51 59 61 *** *** 1989 78 77 71 67 52 40 38 42 53 57 68 70 59 1990 76 71 66 56 43 37 36 39 47 61 59 68 55 1991 76 73 71 59 51 36 35 41 50 60 56 *** *** 1992 74 74 68 58 53 46 42 47 56 66 56 65 59 1993 71 71 66 57 51 47 40 42 52 57 61 63 57 1994 68 62 59 62 52 43 38 36 53 59 61 60 54 1995 61 57 63 62 56 47 38 40 51 57 59 65 55 1996 72 68 70 61 52 38 39 42 48 54 71 73 57 1997 70 70 71 64 61 58 48 43 36 59 77 78 61 1998 82 85 78 59 61 53 49 40 39 53 55 50 59 1999 86 75 74 62 59 39 47 46 42 52 73 72 61 2000 79 73 67 61 52 56 45 58 49 62 75 85 64 2001 79 76 71 64 59 44 42 47 50 55 62 81 61 2002 79 76 69 69 50 43 49 52 64 54 67 79 63 2003 88 78 79 62 53 53 53 50 57 58 76 74 65 MEAN 77 76 71 63 56 47 44 46 52 60 67 74 61 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 32 STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 MET. AVERAGE OF MINIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 65 36 31 24 16 17 21 19 19 25 39 58 31 1965 61 49 35 28 22 21 24 25 26 34 40 45 34 1966 47 46 37 38 51 58 41 38 43 42 42 50 44 1967 46 54 43 46 45 18 24 34 27 29 42 47 38 1968 46 50 39 33 28 19 24 24 21 28 35 51 33 1969 55 55 40 36 28 29 25 32 41 45 46 38 39 1970 46 65 42 30 26 35 23 24 23 29 28 38 34 1971 30 47 38 31 28 25 14 17 22 30 41 40 30 1972 40 35 52 34 29 22 22 26 24 30 37 39 33 1973 54 56 44 35 25 17 21 22 24 30 37 47 34 1974 53 57 47 37 31 26 24 24 24 34 38 53 37 1975 53 55 42 36 29 25 26 24 24 29 42 57 37 1976 57 61 52 34 29 22 24 21 25 29 45 49 37 1977 60 47 34 36 26 22 19 18 20 29 43 53 34 1978 51 52 43 28 20 18 19 17 18 23 42 38 31 1979 43 44 41 27 27 19 19 19 22 24 31 53 31 1980 55 50 44 28 24 21 20 20 21 30 37 46 33 1981 47 47 37 30 25 18 20 19 24 32 34 40 31 1982 52 49 41 30 26 20 19 21 21 29 44 63 35 1983 61 59 46 36 26 21 19 22 24 25 30 53 35 1984 *** 50 40 24 25 21 21 19 19 27 38 55 *** 1985 54 49 38 27 22 19 19 20 19 24 35 58 32 1986 52 51 49 36 27 22 22 22 24 25 52 59 37 1987 49 42 47 28 23 20 22 22 25 36 36 47 33 1988 52 54 38 31 25 21 21 24 21 27 33 *** *** 1989 58 57 44 33 27 23 22 22 24 26 42 45 35 1990 53 56 42 32 22 21 19 22 22 27 34 45 33 1991 58 54 46 29 24 23 19 19 20 28 34 *** *** 1992 50 54 50 35 30 25 22 24 28 39 34 48 37 1993 54 53 46 32 29 23 24 24 24 30 38 42 35 1994 48 45 39 33 29 26 21 26 24 31 42 47 34 1995 45 45 42 34 28 23 26 26 27 30 35 45 34 1996 60 52 49 33 26 24 25 23 26 26 50 58 38 1997 53 52 49 30 32 22 22 17 15 26 47 51 35 1998 63 63 41 37 39 20 21 17 17 27 24 29 33 1999 66 48 53 34 20 17 24 31 25 29 48 39 36 2000 57 54 37 28 31 32 20 29 29 28 49 45 37 2001 51 47 44 30 26 23 22 18 22 30 36 52 33 2002 48 45 34 36 25 16 17 17 14 21 36 50 30 2003 47 46 41 28 22 17 13 11 17 26 30 41 28 MEAN 52 51 42 32 27 23 22 22 23 29 39 48 34 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 33 STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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 1964 2 1 0 3 0 0 0 0 0 0 2 4 12 1965 0 1 3 1 0 0 0 0 0 2 0 0 7 1966 2 1 0 2 0 0 0 0 0 0 0 0 5 1967 7 5 1 2 4 0 0 0 0 0 2 1 22 1968 1 2 4 1 1 0 0 0 0 1 0 4 14 1969 5 0 2 1 0 0 0 0 1 0 3 1 13 1970 1 1 0 1 0 0 0 0 0 0 0 2 5 1971 4 3 1 7 0 0 0 0 0 0 2 3 20 1972 5 6 5 4 1 0 1 2 0 0 2 2 28 1973 3 3 2 3 0 0 4 0 0 0 0 0 15 1974 8 4 0 3 0 0 0 0 0 2 2 4 23 1975 5 5 5 3 3 0 0 0 0 0 2 10 33 1976 5 7 6 4 4 0 2 0 0 2 3 3 36 1977 6 1 3 6 0 0 0 0 0 3 4 5 28 1978 6 1 2 0 0 0 0 0 0 0 1 3 13 1979 3 3 5 1 6 1 0 0 0 0 1 8 28 1980 4 9 7 4 0 0 0 0 0 0 3 2 29 1981 2 3 4 3 0 0 0 0 0 0 2 2 16 1982 5 5 6 0 3 0 0 0 0 4 5 4 32 1983 5 1 3 3 2 0 0 0 0 0 0 2 16 1984 *** 1 5 2 2 1 0 0 0 1 3 3 *** 1985 4 2 2 1 1 0 0 0 0 0 0 3 13 1986 1 4 4 8 3 0 0 0 0 0 7 4 31 1987 2 1 7 2 0 0 1 0 0 2 1 4 20 1988 3 3 4 4 0 0 1 0 0 0 2 *** *** 1989 2 3 6 4 1 0 0 0 0 0 4 5 25 1990 4 3 3 1 0 0 0 0 0 0 0 2 13 1991 5 3 6 0 0 0 0 0 0 0 0 *** *** 1992 11 0 3 2 2 0 0 0 0 9 1 6 34 1993 6 6 9 1 1 0 0 0 0 0 3 1 27 1994 4 1 2 5 2 0 0 0 0 2 3 2 21 1995 2 3 2 3 3 1 0 0 0 0 0 4 18 1996 4 3 3 1 0 0 0 0 0 0 1 4 16 1997 2 1 3 3 0 0 0 0 0 0 2 4 15 1998 4 4 3 0 1 0 0 0 0 1 0 2 15 1999 1 4 6 0 0 0 0 0 0 0 0 1 12 2000 2 2 1 0 0 0 0 0 0 0 3 4 12 2001 1 3 2 0 2 0 0 0 0 0 2 8 18 2002 3 2 2 5 1 0 0 0 0 0 1 4 18 2003 3 3 5 4 0 0 0 0 0 0 0 2 17 MEAN 4 3 3 2 1 0 0 0 0 1 2 3 19 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 34 STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 MET. HIGHEST AND LOWEST LIMITS FOR 40 YEARS DURING 1964-2003 ELE- JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MENT --------------------------------------------------------------------------------------------- NO. HIG. DRY 03 9.0 13.4 11.0 18.8 24.0 27.4 27.0 22.0 21.8 15.4 13.0 12.0 1 YEAR - DAY 1966- 3 1964-26 1968-14 2002-29 2002- 9 1970-21 2003-23 1998-22 1964- 8 1965-17 2003- 2 1965- 4 LOW. DRY 03 -22.4 -25.0 -12.0 -5.0 0.0 5.0 6.4 5.2 2.0 -10.0 -12.2 -20.0 2 YEAR - DAY 1974-31 1972-11 1979- 5 1981- 2 1972- 6 1971- 6 1978- 9 1972-30 1981-26 1992-19 1974-30 1972-24 HIG. WET 03 7.0 7.0 7.0 11.4 18.4 22.4 17.4 18.0 14.4 12.2 9.2 9.2 3 YEAR - DAY 1999- 1 2001-28 1969-30 2002-29 1967-22 1970-21 2003-16 2000-14 1964- 8 1966- 6 1965- 3 1965- 4 LOW. WET 03 -23.0 -26.0 -12.4 -6.0 -3.8 0.5 3.0 3.0 -1.0 -13.0 -13.0 -20.6 4 YEAR - DAY 1964-20 1972-11 1980- 4 1975- 3 1964- 2 1993-27 1972-16 1969-11 1981-26 1992-19 1974-30 1972-24 HIG. DRY 09 18.0 18.4 22.0 27.4 31.2 36.0 39.0 39.0 34.8 31.0 27.0 19.2 5 YEAR - DAY 1966- 8 1977-25 1977-17 1987-29 1975-27 1971-29 1973-14 1971- 1 2000- 3 1985- 4 1972-15 1970- 6 LOW. DRY 09 -11.2 -10.2 -2.0 4.2 8.6 15.4 18.0 18.2 12.4 -2.8 0.0 -11.2 6 YEAR - DAY 1964-20 1965- 4 1976- 2 1965- 1 1965- 5 1965- 5 1999-18 1965-16 1965-22 1992-19 2000-17 1964-20 HIG. WET 09 12.4 10.0 14.2 17.0 24.4 27.0 25.0 28.0 23.2 19.2 15.2 14.0 7 YEAR - DAY 1966- 9 1965-27 1974-20 1989-17 1967-22 1970-25 1964-15 1964- 2 2000- 7 1964- 2 1969- 6 1965-14 LOW. WET 09 -13.4 -10.4 -4.0 1.4 4.0 9.0 11.0 10.0 7.0 -5.0 0.0 -12.0 8 YEAR - DAY 1992- 5 1965- 4 1976- 2 1965- 3 1979- 8 1967- 3 1967-25 1972-23 1981-23 1992-19 1987-30 1972-23 HIG. DRY 15 14.0 14.0 18.0 24.0 28.0 32.4 34.0 33.0 31.0 25.0 23.0 15.8 9 YEAR - DAY 1978- 3 1977-25 1968-16 1979- 9 2002-23 2001-30 1972- 4 1972-18 1998- 1 1977- 1 1972-15 1998-15 LOW. DRY 15 -16.4 -17.0 -7.0 -1.0 6.0 9.6 11.8 12.2 8.0 -4.2 -2.4 -20.0 10 YEAR - DAY 1964-19 1972-24 1992- 1 1992- 7 1993- 4 1964-17 1965-27 1964- 7 1965-22 1992-18 1994-20 1972-23 HIG. WET 15 9.0 9.0 12.4 20.0 20.0 22.8 22.0 21.0 19.2 15.0 12.2 10.0 11 YEAR - DAY 1966- 3 1999-11 1974-20 1965-28 1966- 3 1966-22 2000-16 1974-20 1966- 3 1967- 6 1973- 1 1999-10 LOW. WET 15 -17.0 -18.0 -9.0 -3.0 2.0 5.0 7.2 8.0 2.0 -7.0 -5.4 -20.5 12 YEAR - DAY 1964-20 1972-24 1992- 1 1967- 1 1979- 6 1971-12 1987-30 1972- 9 1965-22 1992-27 1994-18 1972-23 HIG. MIN. 6.0 5.0 10.0 18.0 16.0 22.5 21.0 17.0 16.0 14.0 12.2 10.0 13 YEAR - DAY 1966-20 1966- 1 1998-29 2002-29 2000- 4 1966-10 1977-25 1975-17 1975- 8 1997- 7 2003- 1 1998-17 LOW. MIN. -25.5 -25.0 -13.0 -6.5 -2.0 0.6 3.5 2.0 -1.0 -12.0 -13.0 -24.0 14 YEAR - DAY 1964-20 1972-11 1979- 5 1999-13 1978- 1 1993- 9 1967-23 1967-29 1981-26 1992-19 1974-30 1964-21 HIG. MAX. 18.2 19.5 25.0 29.5 38.0 39.0 40.0 40.0 36.0 33.0 32.0 22.0 15 YEAR - DAY 2000- 6 1987- 2 1974-20 1979-12 1987-12 1973-27 1972-19 1971- 1 1973- 4 2000- 2 1972-15 1970- 6 LOW. MAX. -10.0 -5.0 1.0 7.0 11.0 19.0 23.0 20.0 17.0 1.0 3.0 -5.0 16 YEAR - DAY 1996-14 1972-11 1993-12 1983- 2 1981- 2 1971- 6 1987-30 1965-16 1971-26 1992-18 2000-18 1990-28 HIG. PPTN 70.0 36.0 81.0 52.0 25.0 10.0 38.0 7.0 18.0 30.0 37.0 52.0 17 YEAR - DAY 2000-29 1972-21 1998-19 1981-17 1972-13 1979- 2 1976-24 1972- 5 1969- 1 1992-10 1993-12 1978- 3 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 35 STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 MET. HIGHEST LIMITS OF ABSOLUTE DIFFERENCES FOR 40 YEARS DURING 1964-2003 ELE- JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MENT --------------------------------------------------------------------------------------------- NO. DRY 09 - DRY 03 23.4 22.8 22.2 22.4 23.2 24.0 29.0 26.0 24.0 26.4 24.4 28.2 18 YEAR - DAY 1975- 4 1977-20 2002- 7 1970-25 1974- 6 1978- 7 1969-13 1971- 4 1972-25 1975-22 1974-13 1973-11 DRY 15 - DRY 09 14.2 14.0 13.6 12.0 16.0 18.4 18.0 17.2 19.0 21.0 15.4 15.2 19 YEAR - DAY 1973- 6 1968-20 2000- 3 1973-21 1988-26 1964-17 1969-13 1964- 9 1964- 6 2000- 3 1964-18 1964- 4 DRY 15 - DRY 03 18.4 19.2 18.2 17.4 19.0 18.8 20.0 19.2 20.0 19.0 20.4 23.2 20 YEAR - DAY 1975- 4 1975- 8 1970-23 1970-25 1969-31 2000-27 2000-27 1976-27 1975-14 1985- 4 1974-13 1973-11 WET 09 - WET 03 20.8 21.2 16.2 16.0 14.2 19.8 15.0 21.8 16.6 18.0 18.0 19.4 21 YEAR - DAY 1964-31 1972-13 1973-10 1970-24 1978- 6 1964- 9 1969-13 1964- 2 1965- 9 1964-11 1973-29 1973-11 WET 15 - WET 09 11.8 12.2 13.0 11.6 11.0 14.8 11.0 11.0 13.0 12.8 11.0 14.6 22 YEAR - DAY 1964-19 1972-13 2000- 5 1967-24 1968-20 1964- 9 1965-28 1964-26 1967- 2 1965-26 1967-12 1964- 4 WET 15 - WET 03 18.0 19.0 14.4 13.0 12.2 17.0 11.8 14.0 15.0 13.0 16.4 17.6 23 YEAR - DAY 1968-20 1975- 8 1975- 7 1970-12 1964- 1 1966-22 1973-13 2000-17 2000-26 1980-10 1974-30 1973-11 DAY BY DAY DRY 03 15.0 18.2 14.0 12.4 13.8 10.2 10.0 11.0 13.7 10.6 13.0 15.2 24 YEAR - DAY 1972-22 1974- 8 1969- 1 1970-26 1965-13 1967- 3 2000-28 2000-17 1965-21 2003- 6 2003- 3 1965-20 DAY BY DAY WET 03 15.0 18.0 12.6 10.2 11.8 12.0 7.0 11.0 8.6 9.4 11.4 13.8 25 YEAR - DAY 1972-22 1972-11 2001-11 2002- 4 1964-17 1966-11 1977-25 2000-17 1965-21 1964- 5 2001-25 1965-20 DAY BY DAY DRY 09 16.6 14.2 12.0 10.8 15.4 11.0 13.0 10.2 9.4 15.2 12.2 14.0 26 YEAR - DAY 1999- 2 1965- 5 1969-23 1965-21 1965- 6 1965- 5 1969-14 1964- 8 1981-23 2000- 5 1979-28 1973-11 DAY BY DAY WET 09 14.0 13.6 11.0 10.0 8.2 12.8 9.0 12.8 8.0 10.0 10.0 10.8 27 YEAR - DAY 1964-16 1965- 5 1966-31 1965- 1 1967-29 1999-22 1998- 9 1964- 2 1992-10 2000-24 1967-21 1964-23 DAY BY DAY DRY 15 17.0 12.0 12.6 12.0 12.4 12.4 11.6 13.8 11.8 14.0 9.8 11.0 28 YEAR - DAY 1964-19 1985-15 1998-30 1979-10 1988-27 1964-17 1964-28 1965-12 1964- 7 1992- 1 1971-27 1973-11 DAY BY DAY WET 15 17.0 13.0 11.2 12.4 9.8 11.8 11.0 9.8 9.0 9.6 7.2 11.0 29 YEAR - DAY 1964-19 1972- 9 1998-30 1965-28 1973-17 1966-11 2000-16 1974-21 1967- 2 1964-12 1992- 1 1972-21 DAY BY DAY MIN. 17.0 17.8 12.0 13.0 14.0 12.0 8.0 7.0 9.0 10.0 14.0 14.0 30 YEAR - DAY 1968-17 1974- 8 1969- 1 2002-29 2000- 4 1966-11 1977-25 1970-16 2001-14 2003- 6 2001- 2 1999-14 DAY BY DAY MAX. 11.7 13.0 13.0 11.0 12.0 9.0 13.0 9.0 9.0 13.0 12.0 14.0 31 YEAR - DAY 2000- 9 1967- 3 1998-30 1974-10 1987-13 2000- 6 1969-14 1971- 2 1994- 7 1992- 1 1979-28 1973-11 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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.***** 2.6 7.8 9.9 15.8 20.9 24.7 ***** ***** ***** ***** 1.3 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -16.4 -3.9 0.8 2.9 6.8 10.6 14.6 12.5 8.1 1.8 -1.1 -10.2 2.2 AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** 9.1 14.7 16.9 24.9 31.2 34.7 ***** ***** ***** ***** 10.9 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** 13.0 13.9 14.0 18.1 20.6 20.1 ***** ***** ***** ***** 21.1 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.49 3.49 4.09 3.46 4.25 4.72 6.13 5.73 3.75 3.11 3.19 2.70 3.84 MEAN OF MIXING RATIO AT 09 GMT. 3.48 3.32 3.79 3.81 3.87 7.38 9.17 8.66 5.60 5.32 4.72 4.47 5.30 MEAN OF MIXING RATIO AT 15 GMT. 2.46 3.37 3.57 3.36 4.29 5.55 6.63 6.36 5.31 5.12 4.37 2.99 4.45 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -25.5 -9.5 -5.5 -5.0 0.8 6.0 10.0 9.5 5.0 -2.0 -10.0 -24.0 -25.5 DAY 20 8 16 1 1 6 27 31 25 27 30 21 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** 13.4 19.5 22.5 28.0 38.0 39.5 ***** ***** ***** ***** 18.0 ****** DAY ** 26 30 28 19 30 14 ** ** ** ** 5 24 HOUR MAXIMUM PRECIPITATION IN MM. 10.0 7.0 4.0 10.0 2.8 0.2 0.0 0.0 0.0 0.0 10.0 40.0 40.0 DAY 19 29 15 21 25 3 ** ** ** ** 6 11 MONTHLY TOTAL PRECIPITATION IN MM. 15.0 13.0 6.3 21.0 2.8 0.2 0.0 0.0 0.0 0.0 27.0 128.0 213.3 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 16.1 11.3 0.0 72.7 NO. OF DAYS WITH PRECIPITATION. 2 3 2 3 1 1 0 0 0 0 5 4 21 NO. OF DAYS PRECIPITATION EQUAL 2 3 2 3 1 0 0 0 0 0 5 4 20 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 0 0 1 0 0 0 0 0 0 1 4 7 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 72 75 66 49 46 42 41 44 37 47 62 81 55 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 79 43 34 28 17 24 27 25 20 28 45 74 37 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 82 56 39 34 30 31 29 33 33 47 59 74 46 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 31 16 1 1 0 0 0 0 0 0 5 28 82 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 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** 0 0 0 0 20 29 *** *** *** *** 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** 0 0 0 0 0 0 *** *** *** *** 0 *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** 0 0 0 0 0 0 *** *** *** *** 0 *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. 31 25 16 4 0 0 0 0 0 9 19 30 134 DATE OF START AND END FREEZING START = 23 OCT. END = 24 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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.***** 1.9 7.1 9.8 16.3 19.6 21.9 20.0 17.4 14.3 8.8 3.5 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -7.6 -4.0 0.2 2.8 7.8 10.1 12.6 11.4 8.5 7.0 1.9 -4.5 3.9 AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** 7.8 14.0 16.8 24.8 29.1 31.2 28.6 26.2 21.5 15.7 11.5 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** 11.8 13.8 14.0 17.0 19.0 18.6 17.2 17.7 14.5 13.8 16.0 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.03 3.80 3.65 4.10 4.71 4.64 6.03 5.88 4.56 5.45 3.99 3.05 4.41 MEAN OF MIXING RATIO AT 09 GMT. 4.29 4.68 4.63 4.00 5.30 6.54 9.20 8.23 7.25 6.55 5.98 5.57 6.02 MEAN OF MIXING RATIO AT 15 GMT. 3.43 3.54 3.77 4.42 4.46 5.00 6.14 5.98 5.25 5.99 5.31 4.46 4.81 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -17.0 -17.0 -7.0 -5.0 1.0 5.5 10.0 8.5 2.5 1.5 -5.0 -14.0 -17.0 DAY 16 3 13 12 5 7 6 17 23 27 23 21 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** 14.0 18.0 24.0 28.5 33.0 36.0 38.0 31.5 25.0 20.0 17.0 ****** DAY ** 28 8 28 22 20 29 3 2 12 1 13 24 HOUR MAXIMUM PRECIPITATION IN MM. 4.2 6.0 24.0 40.0 0.0 0.0 0.0 0.0 0.0 6.0 1.0 0.0 40.0 DAY 21 2 20 30 ** ** ** ** ** 27 9 ** MONTHLY TOTAL PRECIPITATION IN MM. 15.2 10.6 54.0 40.0 0.0 0.0 0.0 0.0 0.0 15.0 2.0 0.0 136.8 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 58.3 29.2 0.0 12.4 NO. OF DAYS WITH PRECIPITATION. 5 3 3 1 0 0 0 0 0 3 2 0 17 NO. OF DAYS PRECIPITATION EQUAL 5 3 3 1 0 0 0 0 0 3 2 0 17 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 3 1 0 0 0 0 0 0 0 0 4 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 77 81 63 59 50 44 46 48 46 57 59 63 58 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 74 63 42 31 26 25 31 32 33 38 49 57 42 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 77 61 47 43 30 30 30 32 34 47 53 62 46 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 24 16 4 1 0 0 0 0 0 0 2 20 67 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 0 0 0 0 0 0 0 0 0 0 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** 0 0 0 0 11 24 12 1 0 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 22 18 8 0 0 0 0 0 0 12 28 118 DATE OF START AND END FREEZING START = 11 NOV. END = 12 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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. 6.0 3.6 5.7 11.2 16.5 21.1 21.4 21.5 20.0 16.1 6.8 2.5 12.7 AVERAGE OF MINIMUM TEMPERATURE IN C. -1.0 -2.4 -1.4 4.7 9.2 13.2 12.0 12.1 10.5 7.6 -0.6 -4.4 5.0 AVERAGE OF MAXIMUM TEMPERATURE IN C. 13.0 9.7 12.8 17.8 23.8 29.0 30.8 30.9 29.5 24.6 14.3 9.4 20.5 DIFFERENCE BETWEEN AVERAGE MAXIMUM 14.0 12.1 14.2 13.1 14.6 15.8 18.8 18.8 19.0 17.0 14.9 13.8 15.5 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.04 3.54 3.60 5.76 7.67 9.97 7.75 6.66 7.51 7.64 4.34 3.70 6.02 MEAN OF MIXING RATIO AT 09 GMT. 6.55 4.53 4.16 5.80 10.27 18.42 14.07 13.64 13.53 8.71 5.32 4.98 9.17 MEAN OF MIXING RATIO AT 15 GMT. 4.19 3.70 3.93 6.38 9.84 15.00 10.11 10.48 10.51 8.48 5.47 4.16 7.69 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -8.0 -7.0 -7.5 -2.5 2.0 7.0 9.0 10.0 9.0 3.5 -5.0 -9.0 -9.0 DAY 15 5 29 4 7 15 10 23 24 30 23 27 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 18.0 17.0 18.0 23.0 29.5 33.0 35.0 36.5 30.5 30.5 16.5 15.0 36.5 DAY 8 2 11 29 17 9 27 11 3 7 1 22 24 HOUR MAXIMUM PRECIPITATION IN MM. 12.0 9.0 4.8 12.0 4.0 0.0 0.0 0.0 0.0 4.0 0.0 4.9 12.0 DAY 12 18 28 1 2 ** ** ** ** 16 ** 20 MONTHLY TOTAL PRECIPITATION IN MM. 22.0 22.0 12.0 23.0 4.0 0.0 0.0 0.0 0.0 26.2 0.0 9.9 119.1 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 47.0 22.7 0.0 30.3 NO. OF DAYS WITH PRECIPITATION. 2 5 4 4 1 0 0 0 0 11 0 3 30 NO. OF DAYS PRECIPITATION EQUAL 2 5 3 4 1 0 0 0 0 10 0 3 28 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 0 0 1 0 0 0 0 0 0 0 0 3 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 71 71 66 67 70 67 62 50 58 70 57 65 65 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 56 58 42 42 53 69 46 42 47 43 44 59 50 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 59 61 52 57 65 72 49 44 52 64 56 60 58 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 8 12 9 0 0 0 0 0 0 0 4 18 51 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 0 0 0 0 0 0 1 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 16 30 31 18 4 0 0 99 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. 18 24 23 3 0 0 0 0 0 0 18 31 117 DATE OF START AND END FREEZING START = 5 NOV. END = 4 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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. -0.3 0.6 4.1 8.4 15.3 17.2 18.0 16.3 ***** ***** ***** ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -7.0 -4.2 -2.5 1.1 8.2 6.5 6.2 4.7 4.8 ***** 1.0 -4.7 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 6.4 5.5 10.8 15.8 22.3 27.9 29.8 27.8 ***** ***** ***** ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 13.4 9.7 13.3 14.7 14.1 21.4 23.6 23.1 ***** ***** ***** ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.41 3.29 3.39 4.54 8.27 6.12 6.04 7.52 6.40 4.44 3.71 2.66 4.90 MEAN OF MIXING RATIO AT 09 GMT. 3.63 4.36 5.42 7.91 10.81 5.54 9.67 9.57 8.02 6.10 7.89 4.60 6.96 MEAN OF MIXING RATIO AT 15 GMT. 2.90 3.20 4.23 4.47 9.49 6.98 8.90 8.57 6.82 5.73 4.67 4.00 5.83 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -17.0 -12.0 -11.5 -5.0 3.0 3.0 3.5 2.0 3.0 ***** -8.5 -12.0 ****** DAY 18 2 30 1 5 21 23 29 4 ** 29 25 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 13.0 15.0 15.0 20.0 29.0 35.0 36.0 30.0 ***** ***** ***** ***** ****** DAY 13 3 5 21 23 29 5 1 ** ** ** ** 24 HOUR MAXIMUM PRECIPITATION IN MM. 36.0 24.0 8.0 12.0 18.0 0.0 0.0 0.0 0.0 0.0 27.0 12.0 36.0 DAY 28 10 5 13 17 ** ** ** ** ** 18 6 MONTHLY TOTAL PRECIPITATION IN MM. 113.0 79.0 8.0 18.0 53.0 0.0 0.0 0.0 0.0 0.0 51.0 12.0 334.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 59.9 21.3 0.0 18.9 NO. OF DAYS WITH PRECIPITATION. 7 5 1 2 4 0 0 0 0 0 2 1 22 NO. OF DAYS PRECIPITATION EQUAL 7 5 1 2 4 0 0 0 0 0 2 1 22 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 6 5 0 1 3 0 0 0 0 0 2 1 18 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 63 72 70 69 65 47 41 57 56 59 60 58 60 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 58 66 58 61 51 21 34 38 31 35 53 55 47 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 64 68 63 51 56 40 37 44 40 46 55 65 52 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 24 16 13 1 0 0 0 0 0 *** 5 19 *** 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 0 1 0 0 0 0 0 0 *** *** *** *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 8 21 5 *** *** *** *** *** 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. 30 25 24 11 0 0 0 0 0 *** 10 25 *** DATE OF START AND END FREEZING START = 13 NOV. END = 29 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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. 0.3 -1.9 7.7 ***** 15.6 19.8 20.4 20.7 17.0 12.6 8.7 3.2 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -6.3 -8.7 0.3 1.8 6.9 10.0 11.2 11.6 6.9 3.9 1.6 -2.6 3.1 AVERAGE OF MAXIMUM TEMPERATURE IN C. 6.9 4.9 13.8 ***** 24.4 29.6 29.7 29.8 27.1 21.3 15.8 9.0 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 13.2 13.6 13.5 ***** 17.5 19.6 18.5 18.2 20.2 17.4 14.2 11.6 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.83 2.45 3.82 4.79 6.12 5.67 5.51 5.46 4.31 4.14 4.21 3.33 4.39 MEAN OF MIXING RATIO AT 09 GMT. 3.91 3.81 4.47 4.80 6.50 8.48 7.74 8.04 5.75 5.67 4.69 4.58 5.70 MEAN OF MIXING RATIO AT 15 GMT. 3.83 3.03 4.20 4.18 6.00 4.96 6.31 6.90 4.76 4.82 4.63 4.37 4.83 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -20.0 -20.0 -8.5 -5.0 4.0 8.0 9.0 9.0 4.0 0.0 -3.5 -9.0 -20.0 DAY 19 9 25 2 1 14 16 25 18 23 19 21 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 15.0 12.0 21.0 ***** 32.5 34.0 34.0 33.0 30.0 27.0 19.0 15.0 ****** DAY 13 29 16 ** 19 19 7 15 2 2 9 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 8.5 10.0 14.0 10.0 8.0 0.0 0.0 0.0 0.0 12.0 4.0 21.0 21.0 DAY 16 22 8 22 27 ** ** ** ** 22 3 27 MONTHLY TOTAL PRECIPITATION IN MM. 14.5 21.0 44.0 21.7 8.0 0.0 0.0 0.0 0.0 12.0 4.0 44.0 169.2 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 47.0 17.6 0.0 35.5 NO. OF DAYS WITH PRECIPITATION. 3 3 5 11 1 0 0 0 0 1 1 4 29 NO. OF DAYS PRECIPITATION EQUAL 3 3 5 8 1 0 0 0 0 1 1 4 26 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 1 3 1 0 0 0 0 0 1 0 1 7 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 61 66 62 65 69 54 49 46 48 58 70 72 60 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 53 65 43 35 29 27 26 26 23 32 36 56 38 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 66 64 53 45 49 23 31 31 28 36 50 66 45 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 20 27 8 1 0 0 0 0 0 0 0 12 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 1 5 0 *** 0 0 0 0 0 0 0 0 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 *** 3 16 18 15 2 0 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. 23 28 12 11 0 0 0 0 0 4 13 25 116 DATE OF START AND END FREEZING START = 23 OCT. END = 26 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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. 0.0 1.8 9.3 9.3 14.9 19.2 21.6 20.1 15.9 14.0 6.9 5.4 11.5 AVERAGE OF MINIMUM TEMPERATURE IN C. -6.0 -4.2 3.6 3.0 6.6 9.6 11.7 11.5 8.3 6.7 -2.0 -3.8 3.8 AVERAGE OF MAXIMUM TEMPERATURE IN C. 6.0 7.9 15.0 15.6 23.2 28.8 31.4 28.8 23.4 21.4 15.9 14.5 19.3 DIFFERENCE BETWEEN AVERAGE MAXIMUM 12.0 12.1 11.4 12.6 16.6 19.2 19.7 17.3 15.1 14.7 17.9 18.3 15.6 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.50 2.82 4.86 4.79 6.18 6.65 7.56 7.03 6.02 5.05 3.63 3.03 5.01 MEAN OF MIXING RATIO AT 09 GMT. 4.46 4.66 4.78 4.66 6.95 10.10 8.44 9.67 9.83 12.05 8.13 4.63 7.36 MEAN OF MIXING RATIO AT 15 GMT. 3.63 3.66 4.88 4.97 5.55 6.37 7.72 8.30 7.77 6.91 4.82 4.81 5.78 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -15.0 -15.0 -4.5 -4.5 3.5 6.0 6.5 5.0 4.0 4.5 -8.5 -8.0 -15.0 DAY 13 5 25 17 11 1 8 11 18 3 18 9 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 10.0 14.0 20.0 25.0 29.0 34.0 39.0 34.0 27.0 25.0 20.0 16.0 39.0 DAY 19 13 22 26 29 30 13 7 11 5 2 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 34.0 0.0 45.0 12.0 1.9 0.0 0.0 4.0 18.0 0.0 14.0 20.0 45.0 DAY 21 ** 21 8 9 ** ** 29 1 ** 8 27 MONTHLY TOTAL PRECIPITATION IN MM. 137.3 0.0 65.0 16.0 1.9 0.0 0.0 8.0 18.0 0.0 37.0 24.0 307.2 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 65.9 5.8 8.5 19.9 NO. OF DAYS WITH PRECIPITATION. 7 0 2 3 1 0 0 2 1 0 3 2 21 NO. OF DAYS PRECIPITATION EQUAL 7 0 2 3 1 0 0 2 1 0 3 2 21 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 5 0 2 1 0 0 0 0 1 0 3 1 13 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 63 63 62 64 66 60 59 58 62 56 74 75 64 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 71 61 41 39 33 36 26 35 48 64 58 38 46 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 69 66 53 51 36 33 34 40 47 47 57 60 49 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 20 15 1 1 0 0 0 0 0 0 12 14 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 1 1 0 0 0 0 0 0 0 0 0 0 2 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 9 26 12 0 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. 28 25 4 6 0 0 0 0 0 0 21 30 114 DATE OF START AND END FREEZING START = 10 NOV. END = 23 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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. 1.8 0.5 5.9 12.8 15.7 22.3 21.8 22.1 17.7 11.8 10.0 1.2 12.0 AVERAGE OF MINIMUM TEMPERATURE IN C. -6.2 -4.9 -1.8 4.0 6.6 13.0 12.4 12.7 7.8 2.4 0.4 -7.3 3.3 AVERAGE OF MAXIMUM TEMPERATURE IN C. 9.8 5.9 13.5 21.5 24.9 31.6 31.3 31.4 27.7 21.1 19.5 9.7 20.7 DIFFERENCE BETWEEN AVERAGE MAXIMUM 16.0 10.8 15.3 17.5 18.3 18.6 18.9 18.7 20.0 18.7 19.1 17.0 17.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.54 2.97 3.59 4.79 4.81 9.53 6.22 6.23 5.22 3.65 3.58 1.92 4.59 MEAN OF MIXING RATIO AT 09 GMT. 4.40 4.96 5.02 6.42 6.52 13.49 8.23 9.09 6.99 5.70 4.70 4.05 6.63 MEAN OF MIXING RATIO AT 15 GMT. 4.11 4.70 5.09 4.94 5.66 10.35 7.60 7.54 6.25 4.87 4.52 3.33 5.75 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -12.0 -13.0 -6.5 -3.0 2.0 8.0 6.5 7.5 2.0 -2.5 -4.0 -16.0 -16.0 DAY 28 8 12 24 7 3 18 16 19 16 27 29 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 15.0 12.5 22.0 24.0 32.0 36.0 34.0 36.0 33.0 30.0 22.0 22.0 36.0 DAY 6 12 21 2 29 17 18 23 4 8 7 6 24 HOUR MAXIMUM PRECIPITATION IN MM. 6.0 7.0 0.0 10.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 27.0 27.0 DAY 25 6 ** 17 ** ** ** ** ** ** ** 13 MONTHLY TOTAL PRECIPITATION IN MM. 13.0 7.0 0.0 10.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 41.0 71.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 28.2 14.1 0.0 57.7 NO. OF DAYS WITH PRECIPITATION. 3 1 0 1 0 0 0 0 0 0 0 3 8 NO. OF DAYS PRECIPITATION EQUAL 3 1 0 1 0 0 0 0 0 0 0 3 8 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 0 1 0 0 0 0 0 0 0 2 3 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 72 75 69 64 52 54 47 47 58 54 61 53 59 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 51 72 47 34 28 40 25 28 25 32 28 51 38 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 63 79 57 39 33 41 29 30 31 36 42 56 45 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 27 18 13 0 0 0 0 0 0 0 1 22 81 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 0 0 0 0 0 0 1 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 4 0 0 0 0 0 0 0 0 0 0 0 4 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 4 23 27 29 8 1 0 0 92 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 26 20 4 0 0 0 0 0 9 10 27 125 DATE OF START AND END FREEZING START = 15 OCT. END = 25 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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. -4.6 -1.7 7.6 10.0 15.0 17.3 22.9 21.1 15.8 12.4 8.3 1.6 10.5 AVERAGE OF MINIMUM TEMPERATURE IN C. -13.1 -9.7 0.5 2.2 6.5 7.4 9.8 9.3 5.9 1.8 0.8 -4.7 1.4 AVERAGE OF MAXIMUM TEMPERATURE IN C. 3.9 6.3 14.7 17.8 23.5 27.3 36.1 32.8 25.7 23.0 15.9 7.9 19.6 DIFFERENCE BETWEEN AVERAGE MAXIMUM 17.0 16.0 14.2 15.6 17.0 19.9 26.3 23.5 19.8 21.2 15.1 12.6 18.2 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 0.75 1.53 4.23 4.64 5.44 5.28 5.81 5.48 4.68 4.05 3.80 2.17 3.99 MEAN OF MIXING RATIO AT 09 GMT. 4.35 4.96 4.80 4.57 6.28 7.41 6.29 6.79 5.66 5.90 5.50 3.63 5.51 MEAN OF MIXING RATIO AT 15 GMT. 2.02 3.26 4.85 4.93 5.58 6.29 7.07 6.74 5.48 5.11 4.55 3.03 4.91 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -20.0 -19.5 -5.5 -2.5 4.0 2.0 6.5 6.5 1.0 -4.0 -5.0 -15.0 -20.0 DAY 26 3 1 1 13 4 25 21 20 31 12 23 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 9.0 12.0 19.0 22.0 28.0 37.0 39.0 40.0 33.0 28.0 24.0 15.5 40.0 DAY 12 25 15 27 27 29 4 1 3 6 2 12 24 HOUR MAXIMUM PRECIPITATION IN MM. 9.0 10.0 25.0 15.0 0.0 0.0 0.0 0.0 0.0 0.0 13.0 9.0 25.0 DAY 31 14 31 12 ** ** ** ** ** ** 7 17 MONTHLY TOTAL PRECIPITATION IN MM. 29.0 23.0 25.0 61.0 0.0 0.0 0.0 0.0 0.0 0.0 32.0 22.0 192.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 40.1 31.8 0.0 28.1 NO. OF DAYS WITH PRECIPITATION. 4 3 1 7 0 0 0 0 0 0 5 3 23 NO. OF DAYS PRECIPITATION EQUAL 4 3 1 7 0 0 0 0 0 0 5 3 23 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 1 1 3 0 0 0 0 0 0 1 0 6 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 34 52 73 70 53 46 42 42 53 63 67 50 54 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 73 69 39 31 30 27 15 19 24 33 45 52 38 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 52 68 54 46 35 33 28 26 33 38 49 56 43 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 31 27 4 0 0 0 0 0 0 1 3 16 82 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 2 0 0 0 0 0 0 0 0 0 0 4 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 10 31 28 6 0 0 0 75 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 2 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. 31 28 12 4 0 0 0 0 0 9 11 25 120 DATE OF START AND END FREEZING START = 9 OCT. END = 24 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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. -2.2 -5.4 4.3 10.5 14.4 20.2 23.6 20.6 19.8 14.0 11.7 0.4 11.0 AVERAGE OF MINIMUM TEMPERATURE IN C. -8.4 -13.3 -2.5 2.8 5.0 9.3 12.4 10.1 8.5 4.9 3.9 -6.3 2.2 AVERAGE OF MAXIMUM TEMPERATURE IN C. 4.0 2.5 11.1 18.3 23.8 31.1 34.8 31.0 31.1 23.1 19.5 7.0 19.8 DIFFERENCE BETWEEN AVERAGE MAXIMUM 12.4 15.8 13.6 15.5 18.8 21.9 22.4 20.9 22.6 18.2 15.6 13.3 17.6 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.60 1.27 3.45 4.78 5.32 5.45 5.75 5.56 4.89 4.86 4.37 2.02 4.11 MEAN OF MIXING RATIO AT 09 GMT. 3.47 3.48 4.90 4.71 5.69 6.88 9.31 8.39 7.68 7.04 5.81 3.68 5.92 MEAN OF MIXING RATIO AT 15 GMT. 2.25 1.94 4.61 5.23 5.40 6.85 8.07 7.01 6.63 5.96 4.96 3.30 5.18 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -18.0 -25.0 -10.4 -3.5 0.0 5.0 7.0 4.5 5.0 2.5 -2.0 -20.0 -25.0 DAY 31 11 3 6 6 1 16 30 25 10 23 24 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 9.0 10.0 17.5 22.0 32.0 35.0 40.0 36.0 34.2 27.0 32.0 18.0 40.0 DAY 7 16 28 10 26 30 19 4 3 6 15 7 24 HOUR MAXIMUM PRECIPITATION IN MM. 16.0 36.0 35.0 14.0 25.0 0.0 8.0 7.0 0.0 0.0 14.0 14.0 36.0 DAY 29 21 1 16 13 ** 31 5 ** ** 30 28 MONTHLY TOTAL PRECIPITATION IN MM. 48.0 124.0 140.0 43.0 25.0 0.0 8.0 14.0 0.0 0.0 27.0 24.0 453.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 68.9 15.0 4.9 11.3 NO. OF DAYS WITH PRECIPITATION. 5 7 5 4 1 0 1 2 0 0 2 2 29 NO. OF DAYS PRECIPITATION EQUAL 5 7 5 4 1 0 1 2 0 0 2 2 29 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 6 5 3 1 0 0 0 0 0 2 2 21 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 48 46 72 71 68 53 46 54 54 68 65 52 58 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 63 66 55 35 30 23 25 29 25 33 40 51 40 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 53 52 68 50 42 31 32 33 33 39 44 59 45 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 25 24 11 0 0 0 0 0 0 0 0 20 80 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 10 0 0 0 0 0 0 0 0 0 7 19 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 3 23 31 18 21 0 1 0 97 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. 31 27 25 2 1 0 0 0 0 0 5 27 118 DATE OF START AND END FREEZING START = 22 NOV. END = 6 MAY IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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. -2.5 3.7 7.1 13.5 17.2 21.6 23.8 21.8 20.7 15.5 7.6 4.3 12.9 AVERAGE OF MINIMUM TEMPERATURE IN C. -9.3 -3.5 -0.4 4.7 6.4 9.4 11.9 10.1 9.0 4.2 -2.3 -4.9 2.9 AVERAGE OF MAXIMUM TEMPERATURE IN C. 4.2 10.9 14.7 22.3 28.0 33.9 35.7 33.6 32.3 26.8 17.4 13.5 22.8 DIFFERENCE BETWEEN AVERAGE MAXIMUM 13.5 14.4 15.1 17.6 21.6 24.5 23.8 23.5 23.3 22.6 19.7 18.4 19.8 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.89 3.01 3.54 4.60 5.10 5.42 6.24 6.12 5.89 4.57 2.84 2.43 4.30 MEAN OF MIXING RATIO AT 09 GMT. 3.60 5.40 5.10 6.22 6.37 6.14 9.11 7.65 7.88 7.29 5.39 4.92 6.25 MEAN OF MIXING RATIO AT 15 GMT. 2.62 4.75 5.27 5.53 6.21 5.84 7.98 7.66 7.22 6.46 5.15 5.08 5.81 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -21.0 -10.5 -9.5 -3.0 2.5 4.0 9.5 6.0 6.0 0.0 -10.0 -10.5 -21.0 DAY 2 7 9 10 2 6 11 18 29 26 9 27 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 10.0 16.0 20.0 29.0 32.0 39.0 39.0 37.0 36.0 32.0 24.0 22.0 39.0 DAY 25 19 25 21 8 27 6 4 4 8 1 2 24 HOUR MAXIMUM PRECIPITATION IN MM. 10.0 29.0 32.0 14.0 0.0 0.0 30.0 0.0 0.0 0.0 0.0 0.0 32.0 DAY 20 10 3 8 ** ** 22 ** ** ** ** ** MONTHLY TOTAL PRECIPITATION IN MM. 32.0 59.0 54.0 32.0 0.0 0.0 95.0 0.0 0.0 0.0 0.0 0.0 272.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 53.3 11.8 34.9 0.0 NO. OF DAYS WITH PRECIPITATION. 4 3 3 3 0 0 4 0 0 0 0 0 17 NO. OF DAYS PRECIPITATION EQUAL 4 3 3 3 0 0 4 0 0 0 0 0 17 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 3 2 2 0 0 4 0 0 0 0 0 13 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 72 75 68 62 59 49 47 54 58 62 60 67 61 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 63 61 46 37 26 18 24 22 25 31 40 50 37 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 64 68 62 47 35 25 29 31 31 40 52 65 46 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 27 14 9 0 0 0 0 0 0 0 14 19 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 5 0 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 11 28 30 29 26 4 0 0 128 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 14 5 0 0 0 0 0 1 18 30 122 DATE OF START AND END FREEZING START = 26 OCT. END = 13 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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. -3.7 -1.3 9.0 13.7 18.0 21.5 22.0 22.0 19.1 13.2 6.7 1.4 11.8 AVERAGE OF MINIMUM TEMPERATURE IN C. -11.0 -7.7 2.2 6.4 8.1 11.4 11.6 10.8 8.6 3.5 -3.8 -8.5 2.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. 3.7 5.1 15.8 21.1 27.8 31.7 32.4 33.1 29.6 22.9 17.2 11.3 21.0 DIFFERENCE BETWEEN AVERAGE MAXIMUM 14.7 12.8 13.6 14.7 19.7 20.3 20.8 22.3 21.0 19.4 21.0 19.8 18.3 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.60 2.26 4.38 4.95 5.28 5.48 6.22 5.85 5.51 4.49 2.99 1.87 4.24 MEAN OF MIXING RATIO AT 09 GMT. 3.32 4.08 5.64 5.95 7.78 8.96 8.34 8.79 7.14 6.06 5.28 4.85 6.35 MEAN OF MIXING RATIO AT 15 GMT. 2.59 3.20 5.18 5.40 6.33 6.92 7.18 7.17 5.41 5.40 4.94 4.50 5.35 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -22.4 -21.5 -4.5 1.0 2.0 6.0 7.0 6.0 5.0 0.0 -13.0 -14.0 -22.4 DAY 31 5 6 4 1 9 26 29 2 16 30 14 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 8.0 12.0 25.0 27.0 34.0 36.0 36.0 37.0 34.0 27.0 23.5 17.0 37.0 DAY 9 27 20 17 22 20 1 19 15 28 2 4 24 HOUR MAXIMUM PRECIPITATION IN MM. 30.0 14.0 0.0 15.0 0.0 0.0 0.0 0.0 0.0 10.0 20.0 20.0 30.0 DAY 20 21 ** 8 ** ** ** ** ** 10 27 3 MONTHLY TOTAL PRECIPITATION IN MM. 105.0 46.0 0.0 28.0 0.0 0.0 0.0 0.0 0.0 18.0 38.0 62.0 297.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 50.8 9.4 0.0 39.7 NO. OF DAYS WITH PRECIPITATION. 8 5 0 3 0 0 0 0 0 2 2 4 24 NO. OF DAYS PRECIPITATION EQUAL 8 5 0 3 0 0 0 0 0 2 2 4 24 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 4 3 0 1 0 0 0 0 0 1 2 4 15 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 69 71 69 58 57 47 51 52 57 65 73 66 61 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 62 64 48 39 32 29 26 26 27 35 38 57 40 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 65 68 56 46 36 30 29 29 27 43 49 66 45 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 30 22 4 0 0 0 0 0 0 0 15 29 100 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 5 0 0 0 0 0 0 0 0 0 0 7 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 13 25 31 30 14 0 0 0 113 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 25 10 0 0 0 0 0 0 3 24 31 124 DATE OF START AND END FREEZING START = 16 OCT. END = 14 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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. -0.2 1.8 7.6 12.1 18.0 21.3 24.0 23.5 18.9 13.2 6.9 1.4 12.4 AVERAGE OF MINIMUM TEMPERATURE IN C. -9.5 -6.8 -1.0 3.8 8.5 10.5 13.5 12.5 9.0 2.0 -1.8 -4.8 3.0 AVERAGE OF MAXIMUM TEMPERATURE IN C. 9.1 10.4 16.3 20.4 27.5 32.1 34.6 34.5 28.8 24.4 15.7 7.6 21.8 DIFFERENCE BETWEEN AVERAGE MAXIMUM 18.6 17.2 17.3 16.7 19.0 21.6 21.1 22.0 19.8 22.4 17.5 12.4 18.8 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.83 2.39 3.61 4.59 5.29 5.26 5.72 5.45 4.78 3.99 3.21 2.92 4.09 MEAN OF MIXING RATIO AT 09 GMT. 4.45 4.84 5.08 5.21 6.84 8.41 10.10 9.36 7.66 5.66 4.91 4.59 6.43 MEAN OF MIXING RATIO AT 15 GMT. 3.73 4.36 4.79 5.04 5.99 6.42 7.91 7.19 5.61 4.80 4.57 4.32 5.39 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -15.0 -17.0 -10.2 -4.5 3.5 7.0 9.0 8.0 3.0 -3.0 -7.0 -13.0 -17.0 DAY 28 9 5 3 12 18 5 28 29 17 21 25 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 17.0 16.0 22.0 25.0 36.0 36.0 37.0 38.0 32.0 29.0 21.0 11.5 38.0 DAY 5 21 21 27 27 24 9 11 2 8 2 18 24 HOUR MAXIMUM PRECIPITATION IN MM. 15.0 18.0 20.0 23.0 12.0 0.0 0.0 0.0 0.0 0.0 19.0 22.0 23.0 DAY 16 1 28 14 10 ** ** ** ** ** 9 6 MONTHLY TOTAL PRECIPITATION IN MM. 63.0 71.0 49.0 53.0 32.0 0.0 0.0 0.0 0.0 0.0 27.0 96.0 391.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 46.8 21.7 0.0 31.5 NO. OF DAYS WITH PRECIPITATION. 5 6 5 3 4 0 0 0 0 0 3 10 36 NO. OF DAYS PRECIPITATION EQUAL 5 6 5 3 4 0 0 0 0 0 3 10 36 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 5 5 1 2 2 0 0 0 0 0 1 4 20 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 73 70 72 67 56 47 42 44 49 66 67 79 61 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 57 60 44 37 30 28 28 26 26 29 42 59 39 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 62 71 57 46 37 28 30 27 26 37 54 69 45 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 30 21 11 1 0 0 0 0 0 0 14 21 98 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 1 1 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 11 26 31 31 16 0 0 0 115 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 22 16 4 0 0 0 0 0 11 19 28 131 DATE OF START AND END FREEZING START = 14 OCT. END = 4 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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. 0.7 -1.1 2.8 11.0 15.3 20.9 24.4 22.0 18.6 14.5 6.6 3.0 11.6 AVERAGE OF MINIMUM TEMPERATURE IN C. -6.6 -8.0 -4.7 3.1 6.9 10.0 14.6 11.4 7.9 4.9 -0.9 -4.7 2.8 AVERAGE OF MAXIMUM TEMPERATURE IN C. 8.1 5.7 10.4 18.9 23.8 31.8 34.2 32.7 29.3 24.2 14.1 10.7 20.3 DIFFERENCE BETWEEN AVERAGE MAXIMUM 14.7 13.7 15.1 15.8 16.9 21.8 19.6 21.3 21.4 19.3 15.0 15.4 17.5 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.48 2.16 2.91 4.48 4.87 5.29 6.20 6.24 5.29 4.95 3.42 2.95 4.27 MEAN OF MIXING RATIO AT 09 GMT. 4.23 4.07 4.81 5.22 5.88 7.25 9.45 7.24 8.31 6.19 4.85 4.53 6.00 MEAN OF MIXING RATIO AT 15 GMT. 3.76 3.32 4.12 4.57 5.77 6.14 7.29 6.54 6.79 4.97 4.50 4.46 5.19 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -16.0 -16.0 -11.5 -3.5 3.0 6.0 11.0 7.0 4.0 3.0 -7.0 -8.0 -16.0 DAY 3 17 2 8 2 11 2 29 22 5 22 3 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 15.0 12.0 16.0 25.0 29.0 35.0 37.0 36.0 33.0 28.0 19.0 17.0 37.0 DAY 19 7 21 16 31 14 10 1 3 7 10 12 24 HOUR MAXIMUM PRECIPITATION IN MM. 15.0 16.0 22.0 20.0 10.0 0.0 38.0 0.0 0.0 25.0 10.0 15.0 38.0 DAY 21 10 22 20 13 ** 24 ** ** 29 3 12 MONTHLY TOTAL PRECIPITATION IN MM. 57.0 83.0 86.2 50.0 34.0 0.0 58.0 0.0 0.0 45.0 25.0 33.0 471.2 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 48.0 17.8 12.3 21.9 NO. OF DAYS WITH PRECIPITATION. 6 7 8 4 4 0 2 0 0 2 3 3 39 NO. OF DAYS PRECIPITATION EQUAL 6 7 8 4 4 0 2 0 0 2 3 3 39 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 4 6 5 3 1 0 2 0 0 2 1 2 26 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 73 72 76 67 56 50 43 53 58 67 69 80 64 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 61 65 54 37 29 23 25 22 28 31 46 50 39 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 65 67 61 41 40 26 30 25 29 34 55 62 45 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 24 25 19 0 0 0 0 0 0 0 7 22 97 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 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 0 24 31 30 14 0 0 0 99 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. 27 27 27 8 0 0 0 0 0 0 17 31 137 DATE OF START AND END FREEZING START = 3 NOV. END = 25 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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. -3.4 3.1 11.2 10.8 16.3 22.4 25.2 22.7 19.1 13.5 6.8 4.2 12.7 AVERAGE OF MINIMUM TEMPERATURE IN C. -9.1 -5.4 3.4 3.2 6.7 11.6 15.2 12.1 7.7 4.9 -1.3 -1.1 4.0 AVERAGE OF MAXIMUM TEMPERATURE IN C. 2.3 11.5 18.9 18.4 25.9 33.2 35.2 33.2 30.6 22.1 14.8 9.6 21.3 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.4 16.9 15.5 15.2 19.2 21.6 20.0 21.1 22.9 17.2 16.0 10.7 17.3 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.21 2.66 4.32 4.42 5.05 5.03 5.65 4.96 4.70 4.81 3.40 3.65 4.24 MEAN OF MIXING RATIO AT 09 GMT. 3.21 4.28 5.02 5.10 6.01 7.67 7.85 6.33 6.13 5.25 4.75 4.73 5.53 MEAN OF MIXING RATIO AT 15 GMT. 2.66 4.12 4.35 4.60 5.54 7.09 6.19 5.76 5.38 4.69 4.69 4.32 4.95 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -20.0 -13.5 -4.5 -2.5 3.0 5.0 10.0 7.0 4.0 -1.5 -8.0 -9.0 -20.0 DAY 15 1 1 3 27 3 7 25 30 28 29 24 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 10.0 19.0 25.0 26.0 30.0 39.0 39.0 38.0 33.0 30.0 20.0 16.5 39.0 DAY 1 25 17 30 14 27 14 16 1 1 10 4 24 HOUR MAXIMUM PRECIPITATION IN MM. 10.0 6.0 14.0 27.0 0.0 0.0 0.0 0.0 0.0 24.0 29.0 32.0 32.0 DAY 4 8 26 26 ** ** ** ** ** 26 14 14 MONTHLY TOTAL PRECIPITATION IN MM. 46.0 6.0 26.0 75.0 0.0 0.0 0.0 0.0 0.0 42.0 76.0 90.0 361.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 21.6 20.8 0.0 57.6 NO. OF DAYS WITH PRECIPITATION. 7 1 3 6 0 0 0 0 0 3 5 5 30 NO. OF DAYS PRECIPITATION EQUAL 7 1 3 6 0 0 0 0 0 3 5 5 30 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 0 1 3 0 0 0 0 0 2 3 3 14 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 80 72 63 67 60 44 38 40 50 63 69 74 60 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 63 48 34 38 28 23 21 19 21 30 43 54 35 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 67 59 43 41 33 28 21 22 23 34 54 60 40 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 29 21 2 0 0 0 0 0 0 0 10 10 72 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 12 0 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 1 25 31 30 22 2 0 0 111 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 23 5 4 0 0 0 0 0 1 19 17 100 DATE OF START AND END FREEZING START = 28 OCT. END = 18 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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. 2.2 3.7 6.7 12.8 16.5 20.3 21.3 21.9 18.0 13.6 5.0 6.3 12.4 AVERAGE OF MINIMUM TEMPERATURE IN C. -6.2 -4.4 -0.8 3.9 5.7 8.6 10.4 9.8 5.8 3.0 -2.8 -0.8 2.7 AVERAGE OF MAXIMUM TEMPERATURE IN C. 10.6 11.8 14.3 21.8 27.3 32.0 32.2 34.0 30.1 24.2 12.9 13.3 22.0 DIFFERENCE BETWEEN AVERAGE MAXIMUM 16.8 16.2 15.1 17.9 21.6 23.4 21.8 24.2 24.3 21.2 15.7 14.1 19.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.49 2.93 3.63 4.20 4.46 4.67 4.55 4.63 4.49 4.06 3.42 3.77 3.94 MEAN OF MIXING RATIO AT 09 GMT. 4.67 4.56 4.47 4.75 4.96 5.69 5.93 5.88 5.28 4.85 4.52 4.37 4.99 MEAN OF MIXING RATIO AT 15 GMT. 4.24 4.45 4.43 4.50 4.42 4.92 5.41 5.69 5.08 4.12 4.08 4.31 4.64 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -14.0 -10.0 -8.0 -3.5 -2.0 3.5 5.0 6.0 3.5 0.0 -9.5 -8.0 -14.0 DAY 15 11 13 13 1 2 7 26 29 13 24 29 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 17.0 19.0 21.5 26.5 32.0 37.5 38.0 37.0 33.5 28.5 20.0 17.0 38.0 DAY 3 18 31 21 15 8 22 27 10 8 1 7 24 HOUR MAXIMUM PRECIPITATION IN MM. 16.0 30.0 28.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 15.0 52.0 52.0 DAY 25 24 10 ** ** ** ** ** ** ** 7 3 MONTHLY TOTAL PRECIPITATION IN MM. 64.0 33.0 38.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 19.0 104.0 258.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 52.3 0.0 0.0 47.7 NO. OF DAYS WITH PRECIPITATION. 6 2 2 0 0 0 0 0 0 0 2 3 15 NO. OF DAYS PRECIPITATION EQUAL 6 2 2 0 0 0 0 0 0 0 2 3 15 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 4 1 2 0 0 0 0 0 0 0 1 3 11 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 73 77 71 60 54 48 40 43 52 59 78 75 61 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 53 52 43 29 21 19 19 17 18 24 43 38 31 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 57 60 53 35 26 23 24 24 25 29 53 54 39 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 22 16 11 0 0 0 0 0 0 0 12 8 69 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 4 24 25 30 18 0 0 0 101 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. 27 25 16 3 2 0 0 0 0 3 23 15 114 DATE OF START AND END FREEZING START = 13 OCT. END = 6 MAY IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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. 1.1 5.4 5.5 14.4 15.1 20.9 ***** 20.0 17.4 14.4 ***** -1.0 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -7.1 -2.4 -3.3 5.1 6.9 9.9 ***** 9.3 5.7 3.7 ***** -7.4 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 9.1 13.2 14.2 23.7 23.0 31.9 34.3 30.7 29.1 25.1 17.1 5.5 21.4 DIFFERENCE BETWEEN AVERAGE MAXIMUM 16.2 15.6 17.5 18.6 16.1 22.0 ***** 21.4 23.4 21.4 ***** 12.9 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.65 3.53 3.11 4.73 5.20 4.92 5.46 4.47 4.51 4.10 3.41 2.67 4.06 MEAN OF MIXING RATIO AT 09 GMT. 3.67 4.43 4.38 5.30 5.55 5.99 6.98 5.78 6.04 5.03 4.14 3.42 5.06 MEAN OF MIXING RATIO AT 15 GMT. 3.35 4.18 4.01 4.44 5.42 5.33 5.98 5.17 5.23 4.66 4.24 2.94 4.58 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -19.0 -9.5 -13.0 -3.0 2.0 6.0 ***** 6.0 2.0 -1.0 ***** -19.0 ****** DAY 27 1 5 16 8 1 ** 27 23 28 ** 22 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 18.0 18.0 21.0 29.5 29.0 36.0 36.0 34.0 32.5 29.0 23.0 17.0 36.0 DAY 5 27 17 12 19 23 6 13 7 2 2 2 24 HOUR MAXIMUM PRECIPITATION IN MM. 10.0 25.0 30.0 6.0 25.0 10.0 0.0 0.0 0.0 0.0 10.0 18.0 30.0 DAY 21 8 25 27 9 2 ** ** ** ** 30 14 MONTHLY TOTAL PRECIPITATION IN MM. 27.8 55.0 59.0 6.0 82.0 10.0 0.0 0.0 0.0 0.0 14.0 86.0 339.8 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 41.7 28.8 0.0 29.4 NO. OF DAYS WITH PRECIPITATION. 3 3 5 1 6 1 0 0 0 0 2 8 29 NO. OF DAYS PRECIPITATION EQUAL 3 3 5 1 6 1 0 0 0 0 2 8 29 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 3 2 0 4 1 0 0 0 0 1 5 17 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 79 78 72 62 59 45 42 42 53 56 72 82 62 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 47 45 42 28 31 19 19 19 22 24 31 55 32 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 54 58 48 35 37 25 24 23 28 33 47 64 40 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 20 11 14 0 0 0 *** 0 0 0 *** 24 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 *** 0 0 0 *** 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 4 0 0 0 0 0 0 0 0 0 0 5 9 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 28 31 22 15 0 0 0 96 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 22 27 5 0 0 *** 0 0 4 *** 30 *** DATE OF START AND END FREEZING START = 28 OCT. END = 28 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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. -0.3 1.1 6.0 13.0 16.1 20.6 21.4 21.3 17.3 13.1 8.1 3.4 11.8 AVERAGE OF MINIMUM TEMPERATURE IN C. -7.0 -6.0 -0.3 5.3 6.4 9.8 10.4 10.4 5.9 3.0 0.3 -3.5 2.9 AVERAGE OF MAXIMUM TEMPERATURE IN C. 6.4 8.1 12.3 20.7 25.9 31.5 32.5 32.3 28.7 23.3 15.8 10.2 20.6 DIFFERENCE BETWEEN AVERAGE MAXIMUM 13.4 14.1 12.6 15.4 19.5 21.8 22.1 21.9 22.8 20.3 15.5 13.7 17.8 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.79 3.18 3.93 4.77 4.84 4.93 5.01 5.00 4.57 3.99 3.81 3.29 4.18 MEAN OF MIXING RATIO AT 09 GMT. 3.65 3.96 4.16 4.44 5.44 6.85 7.20 7.29 6.11 6.12 5.08 4.24 5.38 MEAN OF MIXING RATIO AT 15 GMT. 2.81 3.08 4.13 4.50 5.04 6.21 5.74 5.86 5.37 5.21 4.40 3.42 4.65 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -14.5 -17.5 -12.5 -3.0 2.5 7.0 6.5 7.0 3.0 -3.0 -6.0 -9.5 -17.5 DAY 9 1 5 18 8 2 1 31 26 31 28 14 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 11.5 12.5 20.0 27.5 30.0 34.0 35.5 35.0 31.0 30.0 18.5 15.5 35.5 DAY 21 22 28 22 21 21 30 21 2 4 6 6 24 HOUR MAXIMUM PRECIPITATION IN MM. 26.0 25.0 22.0 26.4 0.0 0.0 0.0 0.0 0.0 0.0 10.0 7.2 26.4 DAY 23 10 27 30 ** ** ** ** ** ** 26 17 MONTHLY TOTAL PRECIPITATION IN MM. 52.0 116.0 83.0 60.6 0.0 0.0 0.0 0.0 0.0 0.0 23.8 16.2 351.6 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 71.4 17.2 0.0 11.4 NO. OF DAYS WITH PRECIPITATION. 4 9 7 4 0 0 0 0 0 0 3 3 30 NO. OF DAYS PRECIPITATION EQUAL 4 9 7 4 0 0 0 0 0 0 3 3 30 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 4 5 3 0 0 0 0 0 0 1 0 15 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 83 80 73 61 56 45 43 43 53 56 68 79 62 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 57 54 44 28 25 22 21 21 21 31 39 48 34 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 62 55 54 38 31 28 24 23 29 37 46 54 40 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 23 22 7 0 0 0 0 0 0 0 3 13 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 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 2 27 31 30 10 1 0 0 101 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 27 11 4 0 0 0 0 0 8 14 28 121 DATE OF START AND END FREEZING START = 17 OCT. END = 20 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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. 1.2 2.5 7.3 10.9 15.3 19.1 21.7 21.5 15.6 10.1 7.2 4.0 11.4 AVERAGE OF MINIMUM TEMPERATURE IN C. -5.9 -3.2 1.0 3.4 7.1 9.7 11.9 11.8 6.1 1.6 -0.5 -3.8 3.3 AVERAGE OF MAXIMUM TEMPERATURE IN C. 8.3 8.2 13.6 18.4 23.5 28.6 31.6 31.2 25.2 18.6 14.9 11.8 19.5 DIFFERENCE BETWEEN AVERAGE MAXIMUM 14.2 11.4 12.6 15.0 16.4 18.9 19.7 19.4 19.1 17.0 15.4 15.6 16.2 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.80 3.34 3.99 4.58 4.71 4.56 4.87 4.67 4.35 4.12 3.52 2.86 4.03 MEAN OF MIXING RATIO AT 09 GMT. 3.92 3.98 4.16 4.48 5.50 5.86 6.58 6.91 5.60 5.08 4.23 4.14 5.04 MEAN OF MIXING RATIO AT 15 GMT. 3.15 3.39 4.03 4.17 4.71 5.22 5.80 5.62 5.17 4.63 3.84 3.42 4.43 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -15.0 -12.0 -8.0 -6.0 3.0 5.0 9.5 9.0 -1.0 -2.0 -7.0 -7.0 -15.0 DAY 14 12 4 2 2 1 31 3 26 23 24 7 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 13.0 13.0 18.0 23.5 28.5 31.0 34.5 33.5 29.0 24.0 19.5 13.5 34.5 DAY 23 19 19 22 27 24 4 20 18 1 2 2 24 HOUR MAXIMUM PRECIPITATION IN MM. 45.0 10.0 12.0 52.0 0.0 0.0 0.0 0.0 0.0 0.0 21.0 14.0 52.0 DAY 12 10 27 17 ** ** ** ** ** ** 21 25 MONTHLY TOTAL PRECIPITATION IN MM. 50.0 27.0 36.0 69.0 0.0 0.0 0.0 0.0 0.0 0.0 35.0 22.0 239.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 47.3 28.9 0.0 23.8 NO. OF DAYS WITH PRECIPITATION. 2 3 4 4 0 0 0 0 0 0 2 2 17 NO. OF DAYS PRECIPITATION EQUAL 2 3 4 4 0 0 0 0 0 0 2 2 17 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 1 2 1 0 0 0 0 0 0 2 1 8 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 77 77 69 63 51 43 39 38 52 67 63 69 59 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 50 50 38 30 27 20 20 21 25 32 34 40 32 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 54 54 47 37 31 23 25 23 28 38 41 44 37 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 20 11 4 2 0 0 0 0 0 0 6 20 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 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 8 25 27 0 0 0 0 60 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 22 10 4 0 0 0 0 2 13 21 30 133 DATE OF START AND END FREEZING START = 26 SEP. END = 19 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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. -1.2 -1.0 2.6 11.5 16.5 20.6 21.8 22.8 17.8 13.1 5.4 -1.5 10.7 AVERAGE OF MINIMUM TEMPERATURE IN C. -7.4 -7.0 -5.0 2.9 8.7 10.1 11.2 12.2 6.8 4.8 -1.5 -8.2 2.3 AVERAGE OF MAXIMUM TEMPERATURE IN C. 5.1 4.9 10.1 20.1 24.3 31.1 32.5 33.4 28.7 21.4 12.3 5.2 19.1 DIFFERENCE BETWEEN AVERAGE MAXIMUM 12.5 11.9 15.1 17.2 15.6 21.0 21.3 21.2 21.9 16.6 13.8 13.4 16.8 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.55 2.51 2.70 4.42 5.23 4.72 4.60 5.15 4.32 4.59 3.86 2.88 3.96 MEAN OF MIXING RATIO AT 09 GMT. 3.30 3.05 3.74 5.13 5.62 6.67 6.61 7.54 5.93 4.77 4.34 3.96 5.05 MEAN OF MIXING RATIO AT 15 GMT. 2.94 2.93 3.50 4.26 5.27 5.70 5.89 6.13 5.02 4.62 4.36 3.34 4.50 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -14.0 -14.0 -8.0 -4.0 6.0 7.0 9.5 6.5 3.0 2.0 -8.0 -13.5 -14.0 DAY 22 20 1 1 12 3 3 31 27 20 29 20 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 10.0 10.5 13.5 24.5 27.5 34.5 35.0 37.0 31.5 29.0 16.0 11.0 37.0 DAY 9 28 23 24 19 12 27 5 5 3 24 8 24 HOUR MAXIMUM PRECIPITATION IN MM. 20.0 13.0 24.0 0.0 8.0 0.0 0.0 0.0 0.0 12.0 20.0 10.0 24.0 DAY 26 21 19 ** 11 ** ** ** ** 31 13 18 MONTHLY TOTAL PRECIPITATION IN MM. 56.4 48.4 81.0 0.0 27.0 0.0 0.0 0.0 0.0 36.0 62.0 33.0 343.8 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 54.0 7.9 0.0 38.1 NO. OF DAYS WITH PRECIPITATION. 6 6 6 0 6 0 0 0 0 4 5 4 37 NO. OF DAYS PRECIPITATION EQUAL 6 6 6 0 6 0 0 0 0 4 5 4 37 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 2 4 0 0 0 0 0 0 2 4 2 16 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 78 75 72 65 54 44 40 41 50 61 79 88 62 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 53 49 42 31 26 21 19 21 21 29 44 64 35 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 56 53 45 35 30 23 22 22 23 42 61 71 40 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 27 25 23 2 0 0 0 0 0 0 10 26 113 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 0 0 0 0 0 0 0 0 0 1 7 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 25 30 31 9 0 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 31 5 0 0 0 0 0 0 19 30 144 DATE OF START AND END FREEZING START = 6 NOV. END = 5 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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 -0.6 3.4 9.6 17.2 21.0 23.8 23.5 20.4 12.2 8.2 2.1 11.6 AVERAGE OF MINIMUM TEMPERATURE IN C. -7.1 -7.3 -3.1 2.5 9.0 10.9 13.7 13.5 9.9 1.8 -1.5 -4.9 3.1 AVERAGE OF MAXIMUM TEMPERATURE IN C. 4.4 6.0 10.0 16.8 25.4 31.2 33.9 33.6 31.0 22.6 17.8 9.0 20.1 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.5 13.2 13.1 14.3 16.4 20.3 20.2 20.1 21.1 20.8 19.3 13.9 17.0 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.64 2.62 3.19 4.18 5.55 5.26 5.16 5.44 4.94 3.54 3.15 3.03 4.06 MEAN OF MIXING RATIO AT 09 GMT. 3.60 3.89 3.94 4.68 5.95 6.81 7.16 8.16 7.74 4.88 4.30 4.15 5.44 MEAN OF MIXING RATIO AT 15 GMT. 2.85 3.34 3.48 4.34 5.27 5.85 5.74 5.89 5.86 3.88 3.73 3.51 4.48 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -15.5 -17.0 -10.0 -4.0 3.0 6.0 11.0 10.5 5.0 -3.0 -4.5 -12.0 -17.0 DAY 27 1 1 3 3 1 6 30 28 23 19 23 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 10.0 11.0 17.0 22.0 29.0 34.0 36.5 36.0 33.0 27.0 23.0 15.0 36.5 DAY 12 20 29 18 23 20 9 8 1 2 1 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 22.0 5.0 10.0 10.0 10.0 0.0 0.0 0.0 0.0 0.0 0.0 14.8 22.0 DAY 24 21 6 3 1 ** ** ** ** ** ** 12 MONTHLY TOTAL PRECIPITATION IN MM. 71.0 5.0 25.0 27.0 21.2 0.0 0.0 0.0 0.0 0.0 0.0 29.9 179.1 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 56.4 26.9 0.0 16.7 NO. OF DAYS WITH PRECIPITATION. 5 1 3 4 4 0 0 0 0 0 0 5 22 NO. OF DAYS PRECIPITATION EQUAL 5 1 3 4 4 0 0 0 0 0 0 5 22 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 4 0 2 1 1 0 0 0 0 0 0 1 9 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 82 83 76 66 55 47 38 41 48 58 63 76 61 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 62 59 47 37 26 22 20 23 24 26 30 53 36 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 69 70 54 47 34 26 22 25 27 30 38 60 42 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 20 20 16 1 0 0 0 0 0 0 3 20 80 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 1 0 0 0 0 0 0 0 0 0 1 4 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 26 31 31 24 0 0 0 112 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 28 27 10 0 0 0 0 0 11 24 27 155 DATE OF START AND END FREEZING START = 15 OCT. END = 18 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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.***** 0.9 6.7 12.0 13.8 20.9 21.3 22.4 17.4 11.1 8.2 0.8 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** -7.0 -0.5 3.5 5.7 11.6 11.8 12.0 6.7 1.4 1.0 -7.0 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** 8.8 13.9 20.4 21.8 30.2 30.9 32.7 28.1 20.8 15.3 8.4 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** 15.8 14.4 16.9 16.1 18.6 19.1 20.7 21.4 19.4 14.3 15.4 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** 2.69 3.74 4.08 4.39 5.13 4.96 4.93 4.31 3.70 4.11 2.41 ***** MEAN OF MIXING RATIO AT 09 GMT. ***** 3.74 4.21 3.82 4.42 6.05 6.66 6.58 5.07 4.49 4.58 4.17 ***** MEAN OF MIXING RATIO AT 15 GMT. ***** 3.43 4.12 4.08 4.47 5.64 5.70 5.80 4.68 4.53 4.47 3.48 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** -15.0 -7.5 -1.5 0.0 6.5 8.5 9.0 2.0 -4.0 -2.5 -13.0 ****** DAY ** 2 17 2 2 1 10 21 28 22 22 25 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** 18.0 23.0 25.0 27.0 35.0 35.0 35.0 32.0 29.0 20.5 15.0 ****** DAY ** 13 10 21 27 13 20 9 1 4 28 2 24 HOUR MAXIMUM PRECIPITATION IN MM. ***** 10.0 76.0 16.2 14.0 6.0 0.0 0.0 0.0 8.0 18.0 14.0 ****** DAY ** 26 26 17 10 2 ** ** ** 20 12 25 MONTHLY TOTAL PRECIPITATION IN MM. ***** 10.0 157.0 22.2 26.0 6.0 0.0 0.0 0.0 12.2 33.0 31.2 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 56.1 18.2 0.0 25.7 NO. OF DAYS WITH PRECIPITATION. *** 1 6 2 2 1 0 0 0 3 3 3 *** NO. OF DAYS PRECIPITATION EQUAL *** 1 6 2 2 1 0 0 0 2 3 3 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL *** 1 5 1 2 0 0 0 0 0 2 2 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** 78 68 57 53 44 39 39 48 59 69 75 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** 51 40 24 25 21 22 19 19 27 38 55 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** 65 57 37 36 26 25 24 25 40 53 68 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** 23 6 0 0 0 0 0 0 2 0 19 *** 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 *** 2 0 0 0 0 0 0 0 0 0 0 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** 0 0 0 0 23 27 31 11 0 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. *** 28 19 7 1 0 0 0 0 11 12 28 *** DATE OF START AND END FREEZING START = 21 OCT. END = 2 MAY IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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. 0.9 2.7 7.2 12.6 16.0 21.5 23.2 20.9 19.9 13.6 8.5 1.0 12.3 AVERAGE OF MINIMUM TEMPERATURE IN C. -7.4 -4.3 -0.7 4.3 6.3 11.1 13.2 10.7 8.6 2.0 0.1 -6.0 3.2 AVERAGE OF MAXIMUM TEMPERATURE IN C. 9.2 10.2 15.1 20.9 25.6 31.8 33.3 31.1 31.2 25.1 16.7 8.2 21.5 DIFFERENCE BETWEEN AVERAGE MAXIMUM 16.6 14.5 15.8 16.7 19.3 20.7 20.1 20.4 22.6 23.1 16.6 14.2 18.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.30 2.86 3.60 4.26 4.57 4.78 4.88 4.94 4.58 4.03 3.70 2.66 3.93 MEAN OF MIXING RATIO AT 09 GMT. 4.41 4.27 4.44 4.60 5.06 6.10 6.67 6.43 5.95 5.39 4.58 4.48 5.20 MEAN OF MIXING RATIO AT 15 GMT. 3.38 3.62 3.90 4.00 4.46 5.47 5.93 5.51 5.20 4.56 4.31 3.25 4.47 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -12.0 -9.0 -9.0 0.0 3.0 7.5 11.5 8.5 5.0 -2.0 -4.0 -10.0 -12.0 DAY 1 6 4 5 14 13 29 29 21 23 21 12 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 14.0 18.0 21.0 27.5 31.0 36.5 36.0 33.5 34.0 32.0 22.5 15.0 36.5 DAY 28 14 20 18 27 26 1 2 3 4 2 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 17.0 15.0 12.0 7.0 8.0 0.0 0.0 0.0 0.0 0.0 0.0 20.0 20.0 DAY 31 1 30 24 12 ** ** ** ** ** ** 19 MONTHLY TOTAL PRECIPITATION IN MM. 46.0 26.0 22.0 9.0 8.0 0.0 0.0 0.0 0.0 0.0 0.0 42.0 153.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 61.4 11.1 0.0 27.5 NO. OF DAYS WITH PRECIPITATION. 4 4 2 2 1 0 0 0 0 0 0 3 16 NO. OF DAYS PRECIPITATION EQUAL 4 4 2 2 1 0 0 0 0 0 0 3 16 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 3 1 2 0 0 0 0 0 0 0 0 2 8 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 76 75 65 57 51 39 35 41 45 64 69 78 58 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 56 51 38 27 22 19 19 20 19 24 35 60 33 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 65 59 48 32 27 24 23 23 23 29 48 66 39 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 26 14 9 0 0 0 0 0 0 0 2 25 76 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 4 26 31 28 24 3 0 0 116 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 16 4 0 0 0 0 0 6 15 28 123 DATE OF START AND END FREEZING START = 15 OCT. END = 10 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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. 1.4 1.3 3.8 10.7 15.8 20.2 21.7 20.5 16.9 14.2 5.1 -1.3 10.9 AVERAGE OF MINIMUM TEMPERATURE IN C. -7.7 -6.4 -2.8 3.9 7.8 10.3 12.5 11.1 6.1 4.7 -0.9 -8.1 2.5 AVERAGE OF MAXIMUM TEMPERATURE IN C. 10.5 9.1 10.4 17.6 23.8 30.1 30.9 29.8 27.8 23.8 11.1 5.5 19.2 DIFFERENCE BETWEEN AVERAGE MAXIMUM 18.2 15.5 13.2 13.7 16.0 19.8 18.4 18.7 21.7 19.1 12.0 13.6 16.7 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.49 2.76 3.23 4.63 4.76 4.85 5.04 4.94 4.35 4.09 3.82 2.54 3.96 MEAN OF MIXING RATIO AT 09 GMT. 4.55 4.03 4.41 4.94 5.61 6.69 6.84 6.68 6.33 5.32 4.94 3.94 5.36 MEAN OF MIXING RATIO AT 15 GMT. 3.73 3.48 3.71 4.44 5.16 5.75 5.91 5.58 4.87 4.14 4.17 3.47 4.53 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -14.0 -12.0 -7.0 2.0 2.0 7.5 10.0 7.0 3.0 0.0 -6.0 -14.0 -14.0 DAY 24 2 18 2 6 5 8 12 7 27 22 25 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 15.0 15.0 16.0 22.0 29.0 35.0 33.5 33.5 31.0 28.5 18.5 10.0 35.0 DAY 22 25 30 16 22 27 20 20 18 9 1 29 24 HOUR MAXIMUM PRECIPITATION IN MM. 8.0 15.0 12.0 17.0 15.0 0.0 0.0 0.0 0.0 0.0 32.0 30.0 32.0 DAY 15 15 26 6 4 ** ** ** ** ** 30 20 MONTHLY TOTAL PRECIPITATION IN MM. 8.0 38.0 32.0 90.0 35.0 0.0 0.0 0.0 0.0 0.0 136.0 62.2 401.2 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 19.4 31.2 0.0 49.4 NO. OF DAYS WITH PRECIPITATION. 1 4 4 8 3 0 0 0 0 0 7 4 31 NO. OF DAYS PRECIPITATION EQUAL 1 4 4 8 3 0 0 0 0 0 7 4 31 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 2 1 5 2 0 0 0 0 0 5 3 18 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 78 75 72 65 51 43 39 42 51 53 73 78 60 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 52 51 50 36 27 22 22 23 24 26 53 60 37 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 62 64 54 44 37 27 25 26 27 29 58 65 43 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 29 24 8 0 0 0 0 0 0 0 10 29 100 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 2 2 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 15 24 19 7 0 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 27 29 0 0 0 0 0 0 1 17 31 136 DATE OF START AND END FREEZING START = 27 OCT. END = 31 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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. 1.1 3.0 5.5 12.4 19.2 21.6 21.5 21.3 19.2 12.4 7.7 2.8 12.3 AVERAGE OF MINIMUM TEMPERATURE IN C. -7.1 -6.1 -1.3 4.0 10.5 11.8 12.2 11.8 8.7 4.2 -0.5 -3.3 3.7 AVERAGE OF MAXIMUM TEMPERATURE IN C. 9.2 12.2 12.2 20.9 27.9 31.5 30.8 30.8 29.6 20.7 16.0 8.9 20.9 DIFFERENCE BETWEEN AVERAGE MAXIMUM 16.3 18.3 13.5 16.9 17.4 19.8 18.6 19.0 20.9 16.5 16.5 12.2 17.2 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.57 2.66 3.74 3.98 4.78 4.89 5.39 5.70 5.04 4.69 3.42 3.35 4.18 MEAN OF MIXING RATIO AT 09 GMT. 4.07 4.07 4.56 4.84 5.89 6.42 7.04 6.98 7.40 6.08 4.65 3.99 5.50 MEAN OF MIXING RATIO AT 15 GMT. 3.21 3.49 4.02 4.31 4.98 5.73 6.10 5.93 5.94 5.10 4.05 3.49 4.70 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -12.0 -15.0 -5.0 -5.0 7.0 9.5 10.0 10.5 4.5 -1.0 -5.5 -8.0 -15.0 DAY 9 14 22 1 6 1 26 24 30 18 30 1 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 16.0 19.5 19.0 28.5 38.0 34.0 34.5 33.5 33.5 30.0 20.5 14.5 38.0 DAY 18 2 11 29 12 9 23 27 1 3 8 20 24 HOUR MAXIMUM PRECIPITATION IN MM. 8.0 13.0 12.0 12.0 0.0 0.0 10.0 0.0 0.0 15.0 8.0 19.0 19.0 DAY 7 10 4 4 ** ** 28 ** ** 26 3 23 MONTHLY TOTAL PRECIPITATION IN MM. 14.0 13.0 59.0 18.0 0.0 0.0 12.0 0.0 0.0 20.0 8.0 42.0 186.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 46.2 9.7 6.5 37.6 NO. OF DAYS WITH PRECIPITATION. 2 1 9 2 0 0 2 0 0 2 1 4 23 NO. OF DAYS PRECIPITATION EQUAL 2 1 9 2 0 0 2 0 0 2 1 4 23 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 1 1 1 0 0 1 0 0 1 0 2 7 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 76 68 72 54 42 40 42 47 49 62 64 73 57 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 52 42 49 29 23 20 23 22 25 36 36 48 34 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 56 48 54 35 28 24 27 24 26 42 42 51 38 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 27 20 4 2 0 0 0 0 0 0 4 13 70 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 0 0 0 0 0 0 0 0 0 0 0 2 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 8 27 24 24 17 1 0 0 101 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 26 24 10 0 0 0 0 0 3 18 27 139 DATE OF START AND END FREEZING START = 12 OCT. END = 10 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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. 0.5 -0.4 6.8 11.6 17.3 21.0 23.4 22.2 18.1 14.4 7.4 ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -6.6 -7.5 -0.8 3.5 7.8 11.6 14.1 12.8 7.2 4.3 -0.5 ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 7.6 6.7 14.4 19.6 26.8 30.5 32.6 31.6 29.0 24.5 15.4 ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 14.2 14.2 15.2 16.1 19.0 18.9 18.5 18.8 21.8 20.2 15.9 ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.59 2.55 3.51 4.09 4.68 4.61 5.38 4.97 4.56 4.43 3.21 ***** ***** MEAN OF MIXING RATIO AT 09 GMT. 4.02 4.17 4.38 4.92 6.19 6.82 7.90 8.00 6.25 6.05 4.18 ***** ***** MEAN OF MIXING RATIO AT 15 GMT. 3.39 3.33 3.88 4.26 5.22 6.06 6.30 6.25 4.96 4.47 3.52 ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -12.5 -13.5 -6.0 -4.5 4.0 8.0 11.0 11.0 4.0 3.0 -7.5 ***** ****** DAY 11 13 17 3 7 26 2 8 30 3 24 ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 12.0 15.5 19.5 25.0 32.0 33.0 37.5 34.5 32.5 29.0 24.0 ***** ****** DAY 5 29 21 20 29 13 24 20 14 9 5 ** 24 HOUR MAXIMUM PRECIPITATION IN MM. 13.0 20.0 17.6 8.0 0.0 0.0 8.0 0.0 0.0 0.0 13.0 ***** ****** DAY 16 3 5 26 ** ** 27 ** ** ** 14 ** MONTHLY TOTAL PRECIPITATION IN MM. 27.2 58.0 46.0 28.8 0.0 0.0 8.0 0.0 0.0 0.0 24.2 ***** ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 68.3 15.0 4.2 12.6 NO. OF DAYS WITH PRECIPITATION. 3 5 4 4 0 0 1 0 0 0 3 *** *** NO. OF DAYS PRECIPITATION EQUAL 3 5 4 4 0 0 1 0 0 0 3 *** *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 3 3 0 0 0 0 0 0 0 1 *** *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 73 75 64 56 49 37 38 40 50 59 60 *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 54 58 39 31 25 22 23 24 22 28 34 *** *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 58 61 48 36 32 26 25 28 24 30 40 *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 23 25 7 2 0 0 0 0 0 0 8 *** *** 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 2 4 0 0 0 0 0 0 0 0 0 *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 5 19 27 26 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. 31 27 20 8 0 0 0 0 0 0 13 *** *** DATE OF START AND END FREEZING START = 15 NOV. END = 9 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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. -5.1 -1.9 5.3 10.4 15.2 21.4 22.8 21.6 17.1 12.9 6.6 1.8 10.7 AVERAGE OF MINIMUM TEMPERATURE IN C. -11.9 -9.2 -2.2 2.3 6.5 11.7 13.0 11.8 6.1 2.6 -1.4 -5.0 2.0 AVERAGE OF MAXIMUM TEMPERATURE IN C. 1.6 5.5 12.9 18.5 23.9 31.0 32.6 31.4 28.1 23.2 14.6 8.5 19.3 DIFFERENCE BETWEEN AVERAGE MAXIMUM 13.5 14.7 15.1 16.2 17.4 19.3 19.6 19.6 22.0 20.6 16.0 13.5 17.3 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.80 2.28 3.49 4.34 4.52 4.94 5.11 5.19 4.51 3.82 3.52 2.72 3.85 MEAN OF MIXING RATIO AT 09 GMT. 2.96 3.74 4.47 5.04 5.74 7.14 7.84 7.15 6.75 5.19 4.89 3.63 5.38 MEAN OF MIXING RATIO AT 15 GMT. 2.50 3.00 4.02 4.39 4.57 5.76 5.93 5.74 5.26 4.40 4.44 2.60 4.39 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -17.5 -16.5 -11.0 -5.5 2.0 8.0 8.5 9.5 2.0 -2.5 -7.5 -10.0 -17.5 DAY 7 7 31 2 1 7 25 19 28 22 24 23 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 9.5 14.0 18.5 26.5 31.5 36.5 37.5 34.5 33.0 29.5 19.5 13.5 37.5 DAY 21 28 4 17 25 29 13 26 6 9 28 2 24 HOUR MAXIMUM PRECIPITATION IN MM. 11.0 13.0 15.0 10.0 12.0 0.0 0.0 0.0 0.0 0.0 11.0 52.0 52.0 DAY 27 11 29 29 8 ** ** ** ** ** 17 4 MONTHLY TOTAL PRECIPITATION IN MM. 20.0 29.0 57.4 31.0 12.0 0.0 0.0 0.0 0.0 0.0 32.0 98.0 279.4 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 38.1 15.4 0.0 46.5 NO. OF DAYS WITH PRECIPITATION. 2 3 6 5 1 0 0 0 0 0 4 5 26 NO. OF DAYS PRECIPITATION EQUAL 2 3 6 5 1 0 0 0 0 0 4 5 26 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 2 3 1 1 0 0 0 0 0 2 3 13 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 77 76 69 65 52 40 38 42 53 56 67 68 59 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 60 58 45 34 28 23 23 22 25 26 42 46 36 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 63 60 49 40 30 25 25 24 28 34 58 54 41 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 31 23 8 3 0 0 0 0 0 0 8 22 95 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 16 3 0 0 0 0 0 0 0 0 0 0 19 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 5 20 24 26 11 0 0 0 86 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 25 12 0 0 0 0 0 3 20 27 145 DATE OF START AND END FREEZING START = 18 OCT. END = 14 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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. -2.1 1.2 5.2 10.8 17.1 21.3 22.9 23.0 18.7 12.8 8.2 2.4 11.8 AVERAGE OF MINIMUM TEMPERATURE IN C. -8.5 -5.1 -2.8 2.6 8.8 11.5 13.5 13.3 7.9 2.7 -1.4 -5.5 3.1 AVERAGE OF MAXIMUM TEMPERATURE IN C. 4.3 7.6 13.2 19.0 25.4 31.0 32.2 32.8 29.6 22.8 17.8 10.3 20.5 DIFFERENCE BETWEEN AVERAGE MAXIMUM 12.8 12.7 16.0 16.4 16.6 19.5 18.7 19.5 21.7 20.1 19.2 15.8 17.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.26 2.70 3.15 3.82 4.55 4.62 5.10 5.29 4.56 4.15 2.93 2.50 3.80 MEAN OF MIXING RATIO AT 09 GMT. 3.11 4.29 4.37 4.73 4.92 6.60 6.87 8.59 6.79 5.67 4.75 3.93 5.39 MEAN OF MIXING RATIO AT 15 GMT. 2.30 3.05 4.03 4.53 4.67 5.44 5.52 5.76 5.34 4.59 4.59 3.51 4.44 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -14.5 -9.5 -9.5 -3.0 4.5 7.5 10.0 11.0 4.0 -1.0 -5.5 -21.0 -21.0 DAY 12 8 21 6 27 1 20 22 28 19 25 28 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 9.5 13.0 20.0 25.0 30.0 35.0 36.0 35.0 33.0 28.5 25.0 20.0 36.0 DAY 22 19 11 27 24 22 15 13 1 2 7 5 24 HOUR MAXIMUM PRECIPITATION IN MM. 8.0 24.0 15.0 34.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 13.0 34.0 DAY 4 5 17 3 ** ** ** ** ** ** ** 21 MONTHLY TOTAL PRECIPITATION IN MM. 34.5 44.0 42.0 34.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 24.0 178.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 67.5 19.0 0.0 13.4 NO. OF DAYS WITH PRECIPITATION. 7 3 5 1 0 0 0 0 0 0 0 2 18 NO. OF DAYS PRECIPITATION EQUAL 7 3 5 1 0 0 0 0 0 0 0 2 18 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 2 2 1 0 0 0 0 0 0 0 2 7 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 76 68 64 54 43 37 36 39 47 61 58 63 54 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 53 59 43 32 22 21 20 25 23 29 34 46 34 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 63 63 58 46 31 25 24 24 27 36 50 61 42 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 31 20 13 0 0 0 0 0 0 0 5 19 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 0 0 0 0 0 0 0 0 0 0 3 4 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 1 21 27 31 12 0 0 0 92 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 26 23 12 0 0 0 0 0 3 23 29 147 DATE OF START AND END FREEZING START = 18 OCT. END = 24 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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. 0.4 1.3 5.6 11.9 15.4 21.4 23.1 21.7 18.3 12.1 6.6 ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -6.7 -5.0 -0.7 3.8 7.0 12.6 13.0 11.0 7.0 3.6 -3.3 ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 7.4 7.8 11.9 20.0 23.8 30.2 33.3 32.5 29.6 20.5 16.5 ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 14.1 12.8 12.6 16.2 16.8 17.6 20.3 21.5 22.6 16.9 19.8 ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.57 2.62 3.69 4.32 4.64 4.68 4.73 4.72 4.55 4.34 2.11 ***** ***** MEAN OF MIXING RATIO AT 09 GMT. 4.32 4.07 4.42 4.66 5.03 7.32 6.93 6.76 5.75 4.75 4.60 ***** ***** MEAN OF MIXING RATIO AT 15 GMT. 3.15 3.28 4.19 4.55 4.57 5.33 5.96 6.02 5.08 4.67 4.56 ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -13.0 -13.0 -6.0 -2.0 3.0 7.5 9.0 6.0 2.5 -1.5 -7.5 ***** ****** DAY 26 14 2 8 5 1 3 27 28 31 17 ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 12.0 13.5 18.5 26.5 29.5 34.5 36.5 36.5 35.0 23.5 21.0 ***** ****** DAY 21 24 22 28 29 16 24 10 12 14 1 ** 24 HOUR MAXIMUM PRECIPITATION IN MM. 34.0 8.0 31.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ***** ****** DAY 26 3 6 4 ** ** ** ** ** ** ** ** MONTHLY TOTAL PRECIPITATION IN MM. 79.0 22.0 86.0 1.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ***** ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 99.3 0.7 0.0 0.0 NO. OF DAYS WITH PRECIPITATION. 5 4 6 2 0 0 0 0 0 0 0 *** *** NO. OF DAYS PRECIPITATION EQUAL 5 4 6 1 0 0 0 0 0 0 0 *** *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 3 0 5 0 0 0 0 0 0 0 0 *** *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 73 68 67 59 51 36 35 40 50 60 45 *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 60 55 46 29 24 24 19 20 20 28 35 *** *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 69 67 64 42 33 25 23 25 25 41 53 *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 25 20 5 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 0 0 0 0 *** *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 1 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 19 31 28 17 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 25 17 4 0 0 0 0 0 1 25 *** *** DATE OF START AND END FREEZING START = 31 OCT. END = 9 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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. -3.6 -2.7 2.1 9.4 13.9 18.7 21.8 19.9 16.0 1.9 7.8 2.1 8.9 AVERAGE OF MINIMUM TEMPERATURE IN C. -9.8 -10.2 -4.8 2.1 6.3 9.0 12.0 9.8 5.1 -3.7 -0.6 -3.6 1.0 AVERAGE OF MAXIMUM TEMPERATURE IN C. 2.5 4.8 9.0 16.7 21.5 28.4 31.6 30.0 26.8 7.5 16.1 7.8 16.9 DIFFERENCE BETWEEN AVERAGE MAXIMUM 12.3 15.0 13.8 14.6 15.2 19.4 19.6 20.2 21.7 11.2 16.7 11.4 15.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.13 1.88 2.63 3.65 4.54 4.84 5.41 5.14 4.47 2.20 2.78 2.69 3.53 MEAN OF MIXING RATIO AT 09 GMT. 2.76 3.25 4.05 4.61 5.98 8.28 9.12 9.67 9.37 4.04 4.53 3.67 5.78 MEAN OF MIXING RATIO AT 15 GMT. 1.99 2.05 2.79 4.16 4.58 5.23 5.15 5.36 4.85 2.94 4.24 2.62 3.83 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -22.0 -12.8 -11.5 -5.5 2.0 5.0 8.0 5.0 2.0 -12.0 -8.5 -8.5 -22.0 DAY 29 27 1 5 14 14 24 23 12 19 27 10 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 7.0 8.4 16.0 22.0 27.0 33.0 34.5 34.0 31.0 13.5 20.5 14.0 34.5 DAY 11 4 30 13 18 29 1 6 15 8 7 2 24 HOUR MAXIMUM PRECIPITATION IN MM. 17.0 0.0 24.0 12.0 10.0 0.0 0.0 0.0 0.0 30.0 6.0 12.0 30.0 DAY 7 ** 31 25 11 ** ** ** ** 10 26 17 MONTHLY TOTAL PRECIPITATION IN MM. 115.0 0.0 34.0 22.0 17.0 0.0 0.0 0.0 0.0 123.0 6.0 43.0 360.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 41.4 10.8 0.0 47.8 NO. OF DAYS WITH PRECIPITATION. 11 0 3 2 2 0 0 0 0 10 1 6 35 NO. OF DAYS PRECIPITATION EQUAL 11 0 3 2 2 0 0 0 0 10 1 6 35 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 6 0 1 2 1 0 0 0 0 5 0 1 16 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 74 73 68 56 53 46 42 46 56 45 50 62 56 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 52 54 51 36 32 30 28 32 37 56 37 50 41 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 60 64 58 49 39 28 23 26 29 59 51 57 45 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 31 29 18 3 0 0 0 0 0 16 7 17 121 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 1 0 0 0 0 0 0 0 0 0 0 11 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 11 28 17 2 0 0 0 58 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 29 30 11 0 0 0 0 0 22 15 27 165 DATE OF START AND END FREEZING START = 3 OCT. END = 20 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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. -0.3 1.0 4.4 10.9 14.4 18.4 21.0 20.2 18.0 11.7 7.7 2.7 10.8 AVERAGE OF MINIMUM TEMPERATURE IN C. -6.0 -5.4 -1.7 2.6 6.2 7.8 11.3 10.2 7.2 2.4 0.1 -5.9 2.4 AVERAGE OF MAXIMUM TEMPERATURE IN C. 5.3 7.4 10.6 19.1 22.5 29.0 30.8 30.1 28.8 21.0 15.3 11.3 19.3 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.3 12.8 12.3 16.5 16.3 21.2 19.5 19.9 21.6 18.6 15.1 17.2 16.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.39 2.59 3.01 3.87 4.38 4.54 4.83 4.75 4.64 3.64 3.36 2.20 3.68 MEAN OF MIXING RATIO AT 09 GMT. 3.56 4.12 4.18 4.80 5.64 7.35 7.95 8.57 7.66 5.38 4.62 3.97 5.65 MEAN OF MIXING RATIO AT 15 GMT. 2.69 2.81 3.54 4.57 4.52 5.32 5.88 5.02 4.90 4.50 4.06 3.31 4.26 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -15.0 -15.0 -8.0 -4.5 1.0 0.6 8.0 6.0 4.0 -2.0 -7.0 -9.0 -15.0 DAY 16 9 13 14 6 9 19 4 24 8 30 18 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 12.0 15.5 18.5 25.0 29.5 32.5 33.5 33.0 31.5 27.0 21.0 14.5 33.5 DAY 28 28 31 20 27 15 7 15 8 1 1 2 24 HOUR MAXIMUM PRECIPITATION IN MM. 23.0 15.0 25.0 10.0 8.0 0.0 0.0 0.0 0.0 0.0 37.0 10.0 37.0 DAY 8 3 8 27 3 ** ** ** ** ** 12 27 MONTHLY TOTAL PRECIPITATION IN MM. 63.0 71.0 106.0 10.0 8.0 0.0 0.0 0.0 0.0 0.0 54.0 10.0 322.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 74.5 5.6 0.0 19.9 NO. OF DAYS WITH PRECIPITATION. 6 6 9 1 1 0 0 0 0 0 3 1 27 NO. OF DAYS PRECIPITATION EQUAL 6 6 9 1 1 0 0 0 0 0 3 1 27 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 5 4 1 0 0 0 0 0 0 2 1 15 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 68 69 61 57 51 46 40 42 52 56 61 63 56 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 58 58 48 32 30 26 25 28 28 31 38 43 37 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 62 59 60 45 37 28 27 24 26 40 51 54 43 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 24 19 9 1 0 0 0 0 0 0 2 26 81 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 1 0 0 0 0 0 0 0 0 0 0 4 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 14 23 19 10 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 28 20 8 0 0 0 0 0 5 18 31 141 DATE OF START AND END FREEZING START = 7 OCT. END = 15 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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. 0.1 1.5 6.7 11.4 15.4 20.8 24.9 23.8 16.0 12.0 8.0 0.9 11.8 AVERAGE OF MINIMUM TEMPERATURE IN C. -7.4 -6.5 -0.9 3.2 7.2 11.2 15.5 13.8 6.1 3.8 2.5 -5.5 3.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. 7.5 9.4 14.3 19.5 23.5 30.5 34.3 33.9 25.9 20.3 13.5 7.4 20.0 DIFFERENCE BETWEEN AVERAGE MAXIMUM 14.9 15.9 15.2 16.3 16.3 19.3 18.8 20.1 19.8 16.5 11.0 12.9 16.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.13 2.03 2.88 4.25 4.60 4.93 5.54 4.69 4.40 4.03 3.72 1.97 3.76 MEAN OF MIXING RATIO AT 09 GMT. 3.50 3.76 4.42 5.13 5.92 8.90 8.94 11.93 6.39 5.24 4.66 3.94 6.06 MEAN OF MIXING RATIO AT 15 GMT. 2.71 2.68 3.79 4.56 4.94 5.95 6.32 6.71 4.53 4.57 3.90 2.54 4.43 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -16.5 -11.0 -6.5 -4.0 4.5 1.0 11.5 10.0 1.5 -1.0 -4.0 -14.5 -16.5 DAY 27 20 17 4 7 1 1 21 22 13 12 8 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 14.0 16.0 22.5 24.5 29.0 34.5 39.0 38.0 32.0 29.0 20.0 12.0 39.0 DAY 30 27 30 25 31 21 22 7 1 1 3 2 24 HOUR MAXIMUM PRECIPITATION IN MM. 25.0 8.0 18.0 12.0 14.0 0.0 0.0 0.0 0.0 14.0 29.0 10.0 29.0 DAY 31 19 13 2 5 ** ** ** ** 21 26 3 MONTHLY TOTAL PRECIPITATION IN MM. 54.0 8.0 30.0 40.0 20.0 0.0 0.0 0.0 0.0 25.0 75.0 15.0 267.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 34.5 22.5 0.0 43.1 NO. OF DAYS WITH PRECIPITATION. 4 1 2 5 2 0 0 0 0 3 3 2 22 NO. OF DAYS PRECIPITATION EQUAL 4 1 2 5 2 0 0 0 0 3 3 2 22 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 0 2 2 1 0 0 0 0 1 3 1 12 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 66 61 55 61 52 43 37 34 53 58 57 51 52 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 48 46 40 33 29 29 23 32 27 32 44 54 36 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 58 53 52 45 37 29 25 27 29 43 55 55 42 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 29 26 8 1 0 0 0 0 0 0 1 21 86 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 3 3 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 19 29 31 5 0 0 0 84 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 19 4 0 0 0 0 0 3 7 25 117 DATE OF START AND END FREEZING START = 10 OCT. END = 12 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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. 2.6 2.0 5.4 11.0 14.4 18.8 23.5 22.2 17.8 13.0 8.3 -2.2 11.4 AVERAGE OF MINIMUM TEMPERATURE IN C. -5.3 -5.5 -1.8 3.8 6.5 10.3 14.0 12.2 8.6 3.5 -0.7 -10.3 2.9 AVERAGE OF MAXIMUM TEMPERATURE IN C. 10.5 9.6 12.6 18.2 22.3 27.3 33.0 32.2 27.0 22.4 17.2 5.9 19.9 DIFFERENCE BETWEEN AVERAGE MAXIMUM 15.8 15.1 14.4 14.5 15.8 17.0 19.0 20.0 18.4 18.9 17.9 16.2 16.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.98 2.05 3.02 4.18 4.58 4.92 5.06 4.86 4.84 3.89 3.08 1.66 3.68 MEAN OF MIXING RATIO AT 09 GMT. 4.38 3.84 4.33 4.92 5.32 5.91 11.09 9.73 7.83 5.91 4.73 3.06 5.92 MEAN OF MIXING RATIO AT 15 GMT. 3.13 2.65 3.67 4.51 4.99 5.14 6.60 6.63 5.19 4.53 4.43 2.17 4.47 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -10.0 -11.5 -7.5 -1.5 1.0 6.0 9.0 9.0 3.0 -1.0 -13.0 -17.0 -17.0 DAY 1 25 1 17 10 6 1 10 27 19 28 26 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 14.0 14.0 17.0 22.5 27.5 32.5 37.0 36.0 31.0 30.0 24.5 14.0 37.0 DAY 5 5 25 19 7 22 14 20 11 2 11 3 24 HOUR MAXIMUM PRECIPITATION IN MM. 11.0 9.0 13.0 13.0 14.0 5.0 0.0 0.0 0.0 0.0 0.0 25.0 25.0 DAY 18 6 14 23 31 3 ** ** ** ** ** 12 MONTHLY TOTAL PRECIPITATION IN MM. 21.0 21.0 23.0 29.0 31.0 5.0 0.0 0.0 0.0 0.0 0.0 62.0 192.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 33.9 33.9 0.0 32.3 NO. OF DAYS WITH PRECIPITATION. 2 3 2 3 3 1 0 0 0 0 0 4 18 NO. OF DAYS PRECIPITATION EQUAL 2 3 2 3 3 1 0 0 0 0 0 4 18 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 0 2 2 2 0 0 0 0 0 0 3 11 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 54 56 62 60 55 47 37 40 51 56 58 63 53 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 50 46 43 34 28 23 31 28 31 31 35 47 36 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 55 49 54 48 39 29 26 28 29 37 47 55 41 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 24 20 13 0 0 0 0 0 0 0 9 30 96 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 5 29 28 7 1 0 0 70 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 21 7 0 0 0 0 0 7 15 31 140 DATE OF START AND END FREEZING START = 19 OCT. END = 28 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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. -3.0 4.2 5.2 11.4 16.1 21.0 21.2 21.2 19.0 14.8 6.3 0.9 11.5 AVERAGE OF MINIMUM TEMPERATURE IN C. -10.4 -1.7 -0.9 3.9 7.7 12.9 13.0 12.5 8.9 5.7 1.4 -6.4 3.9 AVERAGE OF MAXIMUM TEMPERATURE IN C. 4.0 10.2 11.3 18.9 24.5 29.2 29.5 29.8 29.1 23.9 11.3 8.2 19.2 DIFFERENCE BETWEEN AVERAGE MAXIMUM 14.4 11.9 12.2 15.0 16.8 16.3 16.5 17.3 20.2 18.2 9.8 14.6 15.3 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.95 3.16 3.47 4.24 4.70 4.58 4.75 5.21 4.54 4.14 4.01 2.43 3.93 MEAN OF MIXING RATIO AT 09 GMT. 3.27 4.53 4.54 5.03 5.92 7.39 8.85 7.27 9.16 6.30 4.62 4.42 5.94 MEAN OF MIXING RATIO AT 15 GMT. 2.24 3.50 3.93 4.44 4.80 5.75 5.22 5.41 5.42 4.47 4.13 3.00 4.36 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -21.5 -6.0 -5.5 -3.0 4.5 9.0 9.5 8.5 5.0 0.5 -1.5 -9.5 -21.5 DAY 15 5 14 4 1 11 21 5 21 27 25 24 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 10.0 18.5 18.0 25.0 28.5 32.0 31.5 32.0 32.5 29.0 15.0 11.5 32.5 DAY 30 11 31 24 26 19 24 9 14 7 2 21 24 HOUR MAXIMUM PRECIPITATION IN MM. 17.5 8.0 20.0 10.0 0.0 0.0 0.0 0.0 0.0 0.0 10.0 12.0 20.0 DAY 11 19 3 25 ** ** ** ** ** ** 29 23 MONTHLY TOTAL PRECIPITATION IN MM. 36.5 20.0 37.0 10.0 0.0 0.0 0.0 0.0 0.0 0.0 10.0 38.0 151.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 61.7 6.6 0.0 31.7 NO. OF DAYS WITH PRECIPITATION. 4 3 3 1 0 0 0 0 0 0 1 4 16 NO. OF DAYS PRECIPITATION EQUAL 4 3 3 1 0 0 0 0 0 0 1 4 16 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 0 2 1 0 0 0 0 0 0 1 2 7 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 72 66 69 61 52 36 37 42 47 54 67 72 56 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 60 53 49 33 27 26 30 25 32 29 50 59 39 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 65 61 62 44 33 30 26 26 27 32 66 65 45 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 29 11 7 0 0 0 0 0 0 0 0 27 74 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 0 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 0 13 16 17 12 0 0 0 58 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 21 20 2 0 0 0 0 0 0 11 31 116 DATE OF START AND END FREEZING START = 5 NOV. END = 5 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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. -0.1 0.1 2.2 10.7 13.4 20.5 24.6 23.3 18.8 14.0 6.2 0.2 11.2 AVERAGE OF MINIMUM TEMPERATURE IN C. -8.2 -8.5 -6.2 3.7 6.5 12.1 16.0 14.0 9.1 5.4 0.2 -6.3 3.2 AVERAGE OF MAXIMUM TEMPERATURE IN C. 7.6 8.7 10.5 16.7 20.8 28.9 33.2 32.7 28.5 22.6 12.2 6.7 19.1 DIFFERENCE BETWEEN AVERAGE MAXIMUM 15.8 17.2 16.7 13.0 14.3 16.8 17.2 18.7 19.4 17.2 12.0 13.0 15.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.05 1.94 2.07 5.04 5.43 7.12 7.37 5.77 3.62 4.40 4.27 2.88 4.33 MEAN OF MIXING RATIO AT 09 GMT. 3.91 4.36 4.27 4.50 6.07 6.55 8.16 5.75 4.11 5.48 4.82 3.77 5.15 MEAN OF MIXING RATIO AT 15 GMT. 2.70 2.72 3.93 4.69 6.40 6.38 7.47 6.07 4.66 5.41 4.70 2.95 4.84 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -19.0 -16.0 -9.5 1.6 1.0 10.0 11.0 11.5 3.5 0.0 -4.0 -17.0 -19.0 DAY 20 2 1 8 5 1 7 26 10 25 22 22 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 11.5 11.0 13.0 20.0 25.0 36.0 35.0 34.5 32.0 26.5 17.0 12.0 36.0 DAY 12 18 3 30 28 20 22 15 2 5 1 3 24 HOUR MAXIMUM PRECIPITATION IN MM. 30.0 5.0 12.0 25.0 4.0 1.5 0.0 0.0 0.0 1.0 10.0 33.0 33.0 DAY 16 19 16 7 5 24 ** ** ** 21 5 21 MONTHLY TOTAL PRECIPITATION IN MM. 40.0 5.0 29.8 59.5 6.0 3.0 0.0 0.0 0.0 2.0 25.6 58.5 229.4 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 32.6 29.9 0.0 37.5 NO. OF DAYS WITH PRECIPITATION. 2 1 3 7 3 4 0 0 0 3 5 4 32 NO. OF DAYS PRECIPITATION EQUAL 2 1 3 7 2 2 0 0 0 1 4 4 26 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 0 2 3 0 0 0 0 0 0 1 1 9 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 69 69 70 56 60 58 48 43 36 59 77 74 60 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 54 56 50 35 35 23 24 17 15 26 47 56 37 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 61 57 57 41 40 28 24 20 21 36 58 60 42 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 31 28 26 0 0 0 0 0 0 0 1 21 107 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 0 0 0 0 0 0 0 0 0 0 6 8 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 6 31 31 7 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 31 0 0 0 0 0 0 5 15 29 139 DATE OF START AND END FREEZING START = 25 OCT. END = 31 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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. -2.8 1.1 4.8 10.0 16.5 20.1 22.7 21.6 19.3 13.5 8.0 9.0 12.0 AVERAGE OF MINIMUM TEMPERATURE IN C. -8.6 -2.9 -0.9 5.0 7.8 10.8 14.3 13.2 9.4 5.0 -1.3 1.9 4.5 AVERAGE OF MAXIMUM TEMPERATURE IN C. 3.0 4.9 10.5 17.5 25.0 29.4 31.1 30.1 29.3 21.9 17.3 16.1 19.7 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.6 7.8 11.4 12.5 17.2 18.6 16.8 16.9 19.9 16.9 18.6 14.2 15.2 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.39 3.74 3.92 4.86 6.94 7.40 8.01 6.32 5.20 4.84 2.80 3.19 4.97 MEAN OF MIXING RATIO AT 09 GMT. 3.64 4.25 3.64 5.73 9.47 5.92 7.67 5.01 5.16 4.65 3.53 3.78 5.20 MEAN OF MIXING RATIO AT 15 GMT. 2.68 3.88 5.04 6.51 8.09 6.84 6.29 5.61 4.34 4.10 4.06 3.52 5.08 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -22.0 -9.5 -8.0 -5.0 2.0 9.0 9.5 10.5 6.5 -1.0 -5.0 -4.5 -22.0 DAY 15 24 4 8 2 19 6 1 19 30 25 8 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 7.0 10.5 21.0 25.0 29.5 32.0 37.5 34.0 34.0 29.0 20.0 21.0 37.5 DAY 4 25 28 15 12 8 11 29 3 4 8 14 24 HOUR MAXIMUM PRECIPITATION IN MM. 27.0 34.0 81.0 3.3 14.5 0.0 0.5 0.0 0.0 19.5 0.0 5.5 81.0 DAY 13 11 19 5 14 ** 19 ** ** 11 ** 3 MONTHLY TOTAL PRECIPITATION IN MM. 72.0 99.5 168.1 5.8 14.5 0.0 0.5 0.0 0.0 25.5 0.0 12.0 397.9 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 85.3 5.1 0.1 9.4 NO. OF DAYS WITH PRECIPITATION. 6 9 6 3 1 0 3 0 2 5 0 3 38 NO. OF DAYS PRECIPITATION EQUAL 6 9 6 3 1 0 0 0 0 3 0 3 31 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 4 4 3 0 1 0 0 0 0 1 0 0 13 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 74 85 77 58 61 53 49 40 39 52 55 48 58 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 70 66 41 37 40 21 26 18 21 31 26 33 36 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 71 72 65 51 46 28 23 22 18 29 30 35 41 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 27 8 5 1 0 0 0 0 0 0 3 2 46 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 4 0 0 0 0 0 0 0 0 0 0 9 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 17 20 19 10 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 27 24 4 0 0 0 0 0 3 29 14 132 DATE OF START AND END FREEZING START = 29 OCT. END = 11 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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. 2.5 4.6 4.2 8.6 15.5 21.8 22.7 21.9 21.2 14.4 7.3 3.7 12.4 AVERAGE OF MINIMUM TEMPERATURE IN C. -2.9 -1.3 -2.6 0.3 5.9 11.0 13.8 12.8 11.8 4.5 -0.6 -5.6 3.9 AVERAGE OF MAXIMUM TEMPERATURE IN C. 8.0 10.6 11.0 16.9 25.1 32.6 31.6 30.9 30.5 24.3 15.2 12.9 20.8 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.9 11.9 13.6 16.6 19.2 21.6 17.8 18.1 18.7 19.8 15.8 18.5 16.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.51 3.92 3.92 4.48 5.79 5.95 7.00 6.90 5.29 3.96 3.77 2.46 4.74 MEAN OF MIXING RATIO AT 09 GMT. 5.37 4.80 4.62 4.43 4.42 6.99 7.70 10.60 8.02 5.85 6.02 4.02 6.07 MEAN OF MIXING RATIO AT 15 GMT. 4.89 4.23 4.32 4.16 4.08 4.90 6.88 8.97 6.36 6.22 5.62 4.59 5.44 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -11.0 -7.0 -7.0 -6.5 2.5 4.5 8.0 10.0 8.5 0.0 -5.5 -12.0 -12.0 DAY 4 1 8 13 15 6 21 6 19 21 14 13 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 15.0 15.0 15.0 22.5 28.0 36.5 36.5 33.5 32.0 30.5 17.5 19.0 36.5 DAY 1 11 10 20 19 14 3 30 1 3 1 26 24 HOUR MAXIMUM PRECIPITATION IN MM. 13.5 20.0 24.0 4.0 0.0 0.0 0.0 0.0 0.0 1.0 3.5 11.0 24.0 DAY 18 6 13 5 ** ** ** ** ** 27 1 12 MONTHLY TOTAL PRECIPITATION IN MM. 17.1 61.5 103.0 8.5 0.0 0.0 0.0 0.0 0.0 1.0 13.5 13.5 218.1 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 83.3 3.9 0.0 12.8 NO. OF DAYS WITH PRECIPITATION. 5 9 7 3 0 0 0 0 0 1 6 2 33 NO. OF DAYS PRECIPITATION EQUAL 3 8 7 3 0 0 0 0 0 1 5 2 29 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 2 5 0 0 0 0 0 0 0 0 1 9 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 73 72 72 61 58 38 44 45 42 51 70 68 58 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 79 58 57 39 22 22 28 35 29 30 52 41 41 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 75 53 58 36 21 17 29 32 26 37 58 55 41 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 10 3 13 3 0 0 0 0 0 0 5 24 58 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 28 22 29 26 2 0 0 107 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 22 27 14 0 0 0 0 0 6 20 30 147 DATE OF START AND END FREEZING START = 21 OCT. END = 22 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 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. 1.4 0.9 4.7 13.3 17.7 20.6 22.7 22.1 20.3 14.3 6.4 4.2 12.4 AVERAGE OF MINIMUM TEMPERATURE IN C. -5.9 -6.8 -3.8 4.5 9.5 10.2 11.7 11.5 9.7 5.1 0.5 -1.5 3.7 AVERAGE OF MAXIMUM TEMPERATURE IN C. 8.7 8.6 13.2 22.0 25.9 31.0 33.6 32.6 31.0 23.5 12.2 9.9 21.0 DIFFERENCE BETWEEN AVERAGE MAXIMUM 14.6 15.4 17.0 17.5 16.4 20.8 21.9 21.1 21.3 18.4 11.7 11.4 17.3 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.52 2.33 2.65 5.06 6.07 5.32 6.36 8.23 5.07 4.66 4.11 3.96 4.70 MEAN OF MIXING RATIO AT 09 GMT. 5.01 4.97 4.73 6.57 8.68 15.31 8.42 14.99 12.52 6.70 4.90 4.60 8.12 MEAN OF MIXING RATIO AT 15 GMT. 4.13 4.02 3.58 5.89 8.26 8.75 8.83 10.23 8.39 6.00 5.13 4.12 6.45 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -13.5 -11.0 -8.0 0.0 2.0 4.0 9.0 9.0 5.0 1.0 -6.0 -10.0 -13.5 DAY 31 4 17 1 3 5 26 6 28 22 12 27 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 18.2 11.5 15.5 26.5 29.0 36.0 35.0 36.0 34.8 33.0 20.0 14.5 36.0 DAY 6 23 3 21 30 27 6 16 3 2 1 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 70.0 10.0 18.0 1.0 0.0 0.0 1.0 0.0 0.0 2.0 18.0 20.0 70.0 DAY 29 7 25 17 ** ** 16 ** ** 11 18 11 MONTHLY TOTAL PRECIPITATION IN MM. 146.5 28.0 25.0 1.0 0.0 0.0 1.0 0.0 0.0 3.0 49.0 58.5 312.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 63.9 0.3 0.3 35.4 NO. OF DAYS WITH PRECIPITATION. 7 4 4 1 0 0 1 0 0 3 8 6 34 NO. OF DAYS PRECIPITATION EQUAL 7 4 4 1 0 0 1 0 0 2 8 6 33 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 1 1 0 0 0 0 0 0 0 2 3 9 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 72 71 67 60 46 49 44 53 47 58 69 79 60 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 65 58 41 36 38 50 22 40 36 34 54 55 44 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 65 64 45 36 40 35 30 36 34 43 63 61 46 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 21 25 15 0 0 0 0 0 0 0 1 9 71 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 19 31 31 27 3 0 0 111 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 29 31 5 0 0 0 0 0 0 21 26 142 DATE OF START AND END FREEZING START = 4 NOV. END = 27 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 MET. MEAN AND EXTREMES FOR THE YEAR 2001 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 0.7 2.4 6.4 12.9 16.5 21.0 24.3 22.2 19.1 13.7 6.8 3.9 12.5 AVERAGE OF MINIMUM TEMPERATURE IN C. -7.3 -5.1 -2.0 4.5 7.9 11.4 14.6 12.1 8.8 4.6 -2.0 -2.2 3.8 AVERAGE OF MAXIMUM TEMPERATURE IN C. 8.7 9.9 14.8 21.3 25.1 30.6 34.0 32.2 29.5 22.8 15.7 10.1 21.2 DIFFERENCE BETWEEN AVERAGE MAXIMUM 16.0 15.0 16.8 16.8 17.2 19.2 19.4 20.1 20.7 18.2 17.7 12.3 17.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.61 3.12 4.31 4.93 5.86 5.61 5.92 6.72 5.39 4.23 3.32 3.96 4.66 MEAN OF MIXING RATIO AT 09 GMT. 4.54 4.65 5.31 5.37 6.43 7.08 8.98 6.53 6.72 5.96 4.37 4.71 5.89 MEAN OF MIXING RATIO AT 15 GMT. 3.52 3.55 5.17 5.68 6.21 7.39 8.48 7.40 7.74 6.53 4.72 4.81 5.93 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -20.0 -15.0 -6.5 -1.0 3.0 8.5 11.0 8.0 1.0 0.0 -7.5 -7.5 -20.0 DAY 29 1 2 12 22 1 28 17 13 14 20 17 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 15.0 15.5 21.0 24.5 31.5 35.5 37.5 34.0 31.5 27.5 23.0 14.5 37.5 DAY 2 28 31 23 16 29 14 7 9 1 7 28 24 HOUR MAXIMUM PRECIPITATION IN MM. 10.0 8.0 49.0 0.0 8.5 0.0 0.0 0.0 0.0 0.5 6.0 33.0 49.0 DAY 27 22 10 ** 3 ** ** ** ** 28 13 5 MONTHLY TOTAL PRECIPITATION IN MM. 20.0 21.0 79.0 0.0 20.8 0.0 0.0 0.0 0.0 1.0 17.5 155.0 314.3 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 38.2 6.6 0.0 55.2 NO. OF DAYS WITH PRECIPITATION. 5 3 3 1 3 0 0 0 0 2 6 10 33 NO. OF DAYS PRECIPITATION EQUAL 5 3 3 0 3 0 0 0 0 0 6 10 30 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 0 2 0 0 0 0 0 0 0 0 7 10 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 75 73 69 60 58 43 41 47 50 55 59 78 59 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 62 57 47 34 32 25 23 19 22 30 37 52 37 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 61 56 53 42 34 29 27 25 33 40 50 66 43 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 24 21 10 0 0 0 0 0 0 0 9 4 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 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 4 21 30 28 21 0 0 0 104 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 26 27 1 0 0 0 0 0 1 24 27 137 DATE OF START AND END FREEZING START = 14 OCT. END = 12 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 MET. MEAN AND EXTREMES FOR THE YEAR 2002 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 1.4 2.8 5.6 9.5 18.5 20.3 23.1 22.9 20.0 14.7 6.1 1.8 12.2 AVERAGE OF MINIMUM TEMPERATURE IN C. -5.4 -5.7 -2.7 3.4 9.4 10.1 13.5 13.0 9.6 4.9 -1.4 -4.9 3.7 AVERAGE OF MAXIMUM TEMPERATURE IN C. 8.2 11.4 14.0 15.7 27.6 30.5 32.6 32.9 30.3 24.5 13.5 8.5 20.8 DIFFERENCE BETWEEN AVERAGE MAXIMUM 13.6 17.1 16.7 12.3 18.2 20.4 19.1 19.9 20.7 19.6 14.9 13.4 17.2 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.87 2.63 3.31 4.93 6.79 5.74 7.73 7.08 7.16 4.35 3.77 3.06 4.95 MEAN OF MIXING RATIO AT 09 GMT. 4.02 4.37 4.13 4.78 6.87 5.12 6.07 6.45 4.92 4.80 4.24 4.12 4.99 MEAN OF MIXING RATIO AT 15 GMT. 3.61 4.41 4.83 5.63 6.95 6.47 7.90 6.49 4.41 5.29 3.98 4.23 5.35 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -12.5 -11.5 -7.5 -3.5 6.0 3.5 11.0 10.0 5.0 -1.0 -6.0 -10.5 -12.5 DAY 24 6 7 5 3 8 7 30 28 31 27 23 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 14.5 14.5 17.5 27.0 32.5 34.0 35.0 36.0 32.0 27.0 20.0 13.0 36.0 DAY 5 10 14 28 9 5 14 7 6 5 12 7 24 HOUR MAXIMUM PRECIPITATION IN MM. 51.0 17.0 30.0 25.0 6.0 1.0 0.0 0.0 0.0 2.0 18.0 30.0 51.0 DAY 8 15 21 3 3 26 ** ** ** 22 7 11 MONTHLY TOTAL PRECIPITATION IN MM. 92.0 25.0 47.5 90.0 8.0 1.0 0.0 0.0 0.0 2.0 19.0 93.0 377.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 43.6 26.2 0.0 30.2 NO. OF DAYS WITH PRECIPITATION. 5 3 3 6 3 1 0 0 0 1 2 5 29 NO. OF DAYS PRECIPITATION EQUAL 5 3 3 6 3 1 0 0 0 1 2 5 29 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 3 1 2 5 0 0 0 0 0 0 1 4 16 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 78 75 68 66 49 42 48 52 64 54 66 79 62 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 51 47 34 38 25 16 17 18 16 21 40 51 31 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 57 63 56 52 34 27 27 21 16 29 43 65 41 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 20 21 10 0 0 0 0 0 0 0 6 19 76 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 8 21 31 30 25 0 0 0 115 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 28 27 9 0 0 0 0 0 5 24 31 152 DATE OF START AND END FREEZING START = 26 OCT. END = 25 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 MET. MEAN AND EXTREMES FOR THE YEAR 2003 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 1.1 4.3 4.9 12.1 14.7 20.2 25.2 22.5 19.0 15.0 6.6 4.5 12.5 AVERAGE OF MINIMUM TEMPERATURE IN C. -7.3 -1.8 -1.9 4.6 5.3 9.9 15.3 10.1 7.6 6.1 -2.5 -2.2 3.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. 9.5 10.5 11.6 19.6 24.2 30.6 35.1 34.9 30.4 23.9 15.8 11.1 21.4 DIFFERENCE BETWEEN AVERAGE MAXIMUM 16.8 12.3 13.5 15.0 18.9 20.7 19.8 24.8 22.8 17.8 18.3 13.3 17.8 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.77 3.72 3.90 4.80 4.83 7.46 9.00 6.78 5.68 4.87 3.79 3.56 5.10 MEAN OF MIXING RATIO AT 09 GMT. 4.14 4.59 4.39 4.91 5.05 5.48 5.50 4.37 5.30 5.61 4.38 4.20 4.83 MEAN OF MIXING RATIO AT 15 GMT. 3.87 4.30 4.51 4.89 6.27 6.94 9.38 6.06 6.87 7.55 4.36 4.69 5.81 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -19.0 -8.0 -10.0 -2.0 0.0 7.0 9.0 8.0 5.0 1.0 -7.5 -9.0 -19.0 DAY 26 4 3 2 2 1 1 25 17 7 16 23 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 14.5 14.0 15.0 25.0 27.0 34.8 37.0 36.5 33.0 29.0 23.0 15.0 37.0 DAY 11 9 24 15 20 27 29 8 1 1 1 16 24 HOUR MAXIMUM PRECIPITATION IN MM. 18.0 25.0 20.0 24.0 4.0 0.0 0.0 0.0 0.0 0.0 1.0 31.0 31.0 DAY 20 13 23 21 8 ** ** ** ** ** 12 5 MONTHLY TOTAL PRECIPITATION IN MM. 53.0 46.0 68.0 48.0 4.0 0.0 0.0 0.0 0.0 0.0 1.0 65.0 285.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 58.6 18.2 0.0 23.2 NO. OF DAYS WITH PRECIPITATION. 4 3 6 5 1 0 0 0 0 0 1 5 25 NO. OF DAYS PRECIPITATION EQUAL 4 3 6 5 1 0 0 0 0 0 1 5 25 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 3 2 3 2 0 0 0 0 0 0 0 2 12 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 87 77 77 62 51 53 52 50 57 58 75 67 64 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 50 47 43 29 23 17 13 11 17 26 32 44 29 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 65 62 58 38 37 28 30 19 29 47 41 63 43 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 28 7 3 0 0 0 0 0 0 0 13 11 62 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 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 21 31 31 25 0 0 0 108 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 18 24 2 3 0 0 0 0 0 25 21 124 DATE OF START AND END FREEZING START = 3 NOV. END = 8 MAY IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 MET. MEAN AND EXTREMES FOR THE PERIOD 1964 TO 2003 PAGE 1 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPE. IN C. -0.3 1.3 5.8 11.3 15.9 20.5 22.7 21.6 18.3 13.1 7.4 2.3 11.7 SD OF MEAN DAILY TEMPERATURE IN C. 2.30 2.24 1.94 1.44 1.30 1.19 1.49 1.36 1.45 2.24 1.29 2.21 1.70 AVERAGE OF MINIMUM TEMPERATURE IN C. -7.7 -5.7 -1.4 3.5 7.3 10.5 12.7 11.5 7.8 3.8 -0.6 -5.0 3.1 AVERAGE OF MAXIMUM TEMPERATURE IN C. 6.9 8.2 13.0 19.0 24.6 30.5 32.6 31.8 28.8 22.4 15.4 9.5 20.2 DIFFERENCE BETWEEN AVERAGE MAXIMUM 14.3 14.0 14.4 15.5 17.4 20.0 19.9 20.3 20.9 18.6 15.9 14.5 17.1 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.39 2.75 3.54 4.49 5.25 5.52 5.86 5.67 4.94 4.31 3.54 2.82 4.25 MEAN OF MIXING RATIO AT 09 GMT. 4.00 4.23 4.51 5.04 6.17 7.60 8.07 8.03 7.04 5.83 4.93 4.23 5.80 MEAN OF MIXING RATIO AT 15 GMT. 3.17 3.48 4.19 4.72 5.62 6.34 6.79 6.58 5.75 5.13 4.49 3.70 4.99 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -25.5 -25.0 -13.0 -6.5 -2.0 0.6 3.5 2.0 -1.0 -12.0 -13.0 -24.0 -25.5 YEAR - DAY 64-20 72-11 79- 5 99-13 78- 1 93- 9 67-23 67-29 81-26 92-19 74-30 64-21 64-20 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 18.2 19.5 25.0 29.5 38.0 39.0 40.0 40.0 36.0 33.0 32.0 22.0 40.0 YEAR - DAY 0- 6 87- 2 74-20 79-12 87-12 73-27 72-19 71- 1 73- 4 0- 2 72-15 70- 6 71- 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 70.0 36.0 81.0 52.0 25.0 10.0 38.0 7.0 18.0 30.0 37.0 52.0 81.0 YEAR - DAY 0-29 72-21 98-19 81-17 72-13 79- 2 76-24 72- 5 69- 1 92-10 93-12 78- 3 98-19 MONTHLY TOTAL PRECIPITATION IN MM. 51.0 37.4 53.6 30.3 12.5 0.6 4.6 0.6 0.5 10.2 25.1 47.4 273.8 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 51.9 15.9 2.0 30.2 NO. OF DAYS WITH PRECIPITATION. 5 4 4 3 1 0 0 0 0 1 3 4 25 NO. OF DAYS PRECIPITATION EQUAL 5 4 4 3 1 0 0 0 0 1 2 4 24 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 2 2 1 1 0 0 0 0 0 1 2 11 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 72 72 69 62 55 46 43 45 51 59 65 70 59 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 59 56 44 34 29 25 24 25 26 32 41 52 37 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 63 61 54 43 36 29 27 27 29 39 51 60 43 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 25 19 10 1 0 0 0 0 0 0 6 19 80 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 1 0 0 0 0 0 0 0 0 0 1 4 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 2 19 28 26 13 1 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. 30 26 21 6 0 0 0 0 0 4 18 27 132 DATE OF START AND END FREEZING START = 26 SEP. END = 8 MAY IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION HAMGIN LATITUDE 31 55 N DATA PROCESSING CENTER LONGITUDE 51 27 E ELEVATION 2150 MET. MEAN AND EXTREMES FOR THE PERIOD 1964 TO 2003 PAGE 2 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE DRY BULB TEMPERATURE. IN C. -0.6 1.3 5.9 11.5 16.4 21.3 23.5 22.7 19.3 13.5 7.8 2.4 12.1 AVERAGE DEW POINT TEMPERATURE. IN C. -6.9 -5.6 -3.0 -0.8 1.5 3.2 4.3 4.0 2.1 -0.0 -2.2 -5.1 -0.7 AVERAGE OF MIXING RATIO IN G/KG 3.19 3.49 4.07 4.76 5.67 6.48 6.90 6.76 5.91 5.08 4.31 3.58 5.02 AVERAGE OF VAPOUR PRESSURE HPA 3.97 4.35 5.10 5.97 7.14 8.17 8.72 8.53 7.45 6.39 5.40 4.47 6.30 AVERAGE OF SATURATION DEFICIT IN HPA 2.49 2.93 4.87 8.50 12.90 19.22 22.37 21.21 17.19 10.57 6.04 3.48 10.98 AVERAGE RELATIVE HUMIDITY IN PERCENT 64 63 56 46 40 33 32 32 35 43 52 60 46 AVERAGE OF MAXIMUM RELATIVE HUMIDITY(%) 77 76 71 63 56 47 44 46 52 60 67 74 61 AVERAGE OF MINIMUM RELATIVE HUMIDITY(%) 52 51 42 32 27 23 22 22 23 29 39 48 34 NO. OF DAYS PRECIPITATION EQUAL 4 3 3 2 1 0 0 0 0 1 2 3 19 OR MORE THAN 5 MM.