IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 1 STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 MET. AVERAGE OF MEAN DAILY TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MAX-MIN 1972 ****** ****** ****** ****** ****** ****** ****** ****** 20.7 17.9 6.4 -4.3 ****** 1973 -6.5 -2.2 4.7 10.3 15.0 20.6 ****** ****** ****** ****** ****** ****** ****** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1975 ****** ****** ****** ****** ****** ****** ****** 21.1 18.0 12.6 5.7 ****** ****** 1976 -0.3 0.4 0.7 9.7 14.4 20.2 22.0 22.9 18.5 12.5 6.5 4.7 23.2 1977 -6.3 0.6 6.3 10.3 14.2 19.6 22.9 24.2 20.6 11.9 7.0 -0.8 30.5 1978 0.2 3.2 6.1 10.9 15.0 17.6 23.0 24.2 20.8 15.7 2.3 ****** ****** 1979 -6.5 0.7 6.3 10.2 14.2 20.2 19.7 24.2 20.6 12.5 ****** ****** ****** 1980 -5.9 -1.0 4.4 10.2 14.5 19.7 25.2 23.5 ****** ****** ****** ****** ****** 1981 ****** ****** 0.6 7.1 12.5 20.2 ****** ****** 20.6 12.0 ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 ****** 3.1 3.3 ****** 13.0 18.0 24.5 23.5 20.6 ****** 4.3 -2.3 ****** 1987 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1988 -2.7 -2.1 3.9 10.1 15.5 19.2 22.9 22.3 19.0 14.1 5.9 0.7 25.6 1989 -8.6 -7.5 5.3 13.7 16.4 20.3 25.9 23.3 18.8 15.2 8.3 3.1 34.5 1990 -4.2 -1.2 5.1 9.4 15.1 20.6 24.6 23.1 19.7 13.4 9.3 2.1 28.8 1991 -3.5 -2.4 4.9 11.4 14.8 20.4 24.5 25.0 20.0 14.4 8.5 -1.6 28.5 1992 -6.1 -3.7 -2.6 8.4 12.3 18.2 22.5 21.8 18.0 14.0 6.6 -0.3 28.6 1993 -3.5 -2.5 3.2 10.0 14.2 19.5 23.9 23.0 20.6 13.0 5.3 0.7 27.4 1994 1.8 1.9 6.2 12.6 15.7 20.2 23.5 23.8 19.0 14.1 7.7 -2.2 26.0 1995 2.5 2.3 6.4 10.3 16.1 19.7 23.8 24.8 20.2 13.2 7.0 1.6 23.2 1996 -2.3 3.4 4.3 10.0 17.2 20.2 25.3 24.9 21.0 14.0 7.4 6.1 27.6 1997 -0.2 -4.5 0.4 9.7 16.3 20.7 23.6 24.7 19.5 15.5 7.5 3.5 29.2 1998 -3.3 -1.9 5.2 11.8 16.1 22.5 25.1 26.2 21.5 15.1 12.0 6.9 29.5 1999 1.2 3.8 6.0 12.2 17.6 22.7 24.8 27.0 21.0 16.1 7.8 4.5 25.8 2000 -1.1 -0.5 4.9 13.4 17.0 21.7 27.3 25.9 21.3 13.3 6.6 3.0 28.4 MEAN -2.9 -0.5 4.1 10.6 15.1 20.1 24.0 24.0 20.0 14.0 6.9 1.5 26.9 SD 3.22 2.97 2.42 1.58 1.45 1.27 1.66 1.46 1.07 1.54 2.00 3.16 1.98 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 2 STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 MET. AVERAGE OF MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1972 ****** ****** ****** ****** ****** ****** ****** ****** 12.6 9.9 0.9 -7.5 ****** 1973 -11.8 -6.8 -0.7 5.7 8.3 12.8 ****** ****** ****** ****** ****** ****** ****** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1975 ****** ****** ****** ****** ****** ****** ****** 10.8 7.2 4.7 -0.5 -8.4 ****** 1976 -6.3 -4.6 -1.9 5.3 7.7 12.8 13.4 14.3 9.5 5.6 0.2 0.1 4.7 1977 -11.0 -5.2 1.4 4.7 7.5 11.4 14.8 15.8 12.2 5.4 0.3 -4.7 4.4 1978 -3.3 -2.1 -0.4 5.3 7.8 10.6 14.5 15.5 11.4 7.6 -2.3 ****** ****** 1979 -11.0 -5.1 1.3 4.7 7.5 12.8 11.4 15.8 12.2 5.6 ****** ****** ****** 1980 -10.4 -5.4 -1.0 4.2 6.7 10.2 17.0 14.6 ****** ****** ****** ****** ****** 1981 ****** ****** -1.9 -0.4 6.0 12.8 ****** ****** 12.3 5.7 ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 ****** -2.3 -1.2 ****** 6.4 10.0 16.2 15.0 11.6 ****** 0.6 -6.5 ****** 1987 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1988 -6.1 -6.2 -0.1 5.1 9.1 11.7 15.8 15.7 10.5 8.0 0.1 -4.5 4.9 1989 -14.0 -13.5 1.4 6.8 9.2 11.1 17.1 14.1 10.7 9.7 4.3 -1.4 4.6 1990 -8.5 -4.7 0.1 3.9 8.0 12.4 16.9 14.3 10.2 6.7 2.6 -2.5 5.0 1991 -7.8 -7.0 0.7 5.2 8.3 12.5 16.8 16.5 11.7 8.0 3.6 -4.4 5.3 1992 -10.2 -7.2 -7.9 3.5 7.8 11.2 14.0 15.0 10.1 6.5 1.6 -3.4 3.4 1993 -6.9 -6.2 -1.2 5.0 9.4 12.4 16.5 15.5 12.1 6.3 1.9 -2.9 5.2 1994 -1.6 -1.8 1.9 6.6 9.3 13.1 16.2 15.9 12.2 8.0 3.6 -5.5 6.5 1995 -1.1 -2.0 0.7 5.0 10.1 12.8 15.9 15.6 12.5 5.9 1.4 -3.1 6.1 1996 -5.6 -0.7 0.4 5.1 11.2 13.1 18.0 16.7 13.7 7.9 1.0 2.3 6.9 1997 -5.0 -10.1 -3.6 4.2 9.7 13.0 15.7 15.9 12.8 9.4 3.1 -0.3 5.4 1998 -7.0 -6.3 1.0 6.0 9.5 14.8 18.3 18.4 14.2 7.8 6.4 1.9 7.1 1999 -2.4 -1.0 0.6 6.4 10.0 15.6 17.8 19.6 13.8 10.4 2.7 -0.4 7.7 2000 -4.9 -4.7 -0.3 7.7 10.3 13.8 19.9 18.6 13.9 7.6 2.0 -0.4 7.0 MEAN -7.1 -5.1 -0.5 5.0 8.6 12.4 16.1 15.7 11.8 7.3 1.8 -2.9 5.3 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 3 STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 MET. AVERAGE OF MAXIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1972 ****** ****** ****** ****** ****** ****** ****** ****** 28.7 25.9 12.0 -1.1 ****** 1973 -1.2 2.4 10.1 14.9 21.7 28.4 ****** ****** ****** ****** ****** ****** ****** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1975 ****** ****** ****** ****** ****** ****** ****** 31.4 28.7 20.5 11.9 ****** ****** 1976 5.8 5.3 3.2 14.2 21.0 27.5 30.7 31.5 27.6 19.3 12.9 9.3 17.4 1977 -1.7 6.4 11.2 15.9 21.0 27.9 31.0 32.6 28.9 18.4 13.6 3.0 17.4 1978 3.6 8.5 12.6 16.6 22.4 24.5 31.5 32.8 30.3 23.8 6.8 ****** ****** 1979 -1.7 6.4 11.2 15.9 20.9 27.5 27.8 32.5 29.0 19.4 ****** ****** ****** 1980 -1.5 3.6 9.8 16.1 22.3 29.1 33.5 32.4 ****** ****** ****** ****** ****** 1981 ****** ****** 3.2 14.6 19.1 27.5 ****** ****** 29.0 18.3 ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 ****** 8.1 8.8 15.6 19.6 26.0 32.8 32.0 29.6 ****** 8.1 1.9 ****** 1987 7.6 8.6 6.8 15.2 24.1 29.1 31.4 30.8 27.3 15.9 ****** 7.2 ****** 1988 0.8 2.0 7.9 15.0 21.9 26.8 30.0 28.9 27.5 20.2 11.6 5.8 16.5 1989 -3.2 -1.4 9.1 20.6 23.5 29.4 34.8 32.5 26.9 20.8 12.2 7.5 17.7 1990 0.1 2.2 10.1 14.8 22.3 28.7 32.4 31.9 29.3 20.0 16.0 6.7 17.9 1991 0.7 2.3 9.0 17.7 21.2 28.4 32.3 33.5 28.3 20.7 13.3 1.2 17.4 1992 -2.0 -0.2 2.7 13.3 16.8 25.2 30.9 28.6 26.0 21.5 11.6 2.9 14.8 1993 -0.0 1.1 7.6 15.0 19.0 26.5 31.4 30.5 29.0 19.8 8.8 4.4 16.1 1994 5.2 5.5 10.6 18.6 22.1 27.3 30.8 31.8 25.8 20.3 11.7 1.2 17.6 1995 6.1 6.5 12.1 15.5 22.1 26.5 31.6 34.0 27.8 20.6 12.7 6.3 18.5 1996 0.9 7.6 8.2 14.9 23.2 27.3 32.7 33.1 28.4 20.0 13.9 10.0 18.4 1997 4.6 1.1 4.4 15.1 22.9 28.4 31.4 33.4 26.2 21.5 11.9 7.3 17.3 1998 0.4 2.4 9.5 17.6 22.7 30.3 31.8 33.9 28.8 22.3 17.6 11.8 19.1 1999 4.7 8.6 11.5 17.9 25.2 29.8 31.8 34.4 28.3 21.9 12.8 9.4 19.7 2000 2.7 3.7 10.0 19.1 23.7 29.5 34.7 33.3 28.6 19.0 11.2 6.4 18.5 MEAN 1.6 4.3 8.6 16.1 21.8 27.8 31.8 32.2 28.2 20.5 12.1 5.6 17.5 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 4 STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 MET. DIFFERENCE BETWEEN AVERAGE MAXIMUM AND MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1972 ****** ****** ****** ****** ****** ****** ****** ****** 16.1 16.0 11.1 6.4 ****** 1973 10.6 9.2 10.8 9.2 13.4 15.6 ****** ****** ****** ****** ****** ****** ****** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1975 ****** ****** ****** ****** ****** ****** ****** 20.6 21.5 15.8 12.4 ****** ****** 1976 12.1 9.9 5.1 8.9 13.3 14.7 17.3 17.2 18.1 13.7 12.7 9.2 12.7 1977 9.3 11.6 9.8 11.2 13.5 16.5 16.2 16.8 16.7 13.0 13.3 7.7 13.0 1978 6.9 10.6 13.0 11.4 14.6 13.9 17.0 17.3 18.9 16.2 9.1 ****** ****** 1979 9.3 11.5 9.9 11.2 13.4 14.7 16.4 16.7 16.8 13.8 ****** ****** ****** 1980 8.9 9.0 10.8 11.9 15.6 18.9 16.5 17.8 ****** ****** ****** ****** ****** 1981 ****** ****** 5.1 15.0 13.1 14.7 ****** ****** 16.8 12.6 ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 ****** 10.4 10.0 ****** 13.2 16.0 16.6 17.0 18.0 ****** 7.5 8.4 ****** 1987 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1988 6.9 8.2 8.0 9.9 12.8 15.1 14.2 13.2 17.0 12.2 11.5 10.3 11.6 1989 10.8 12.1 7.7 13.8 14.3 18.3 17.7 18.4 16.2 11.1 7.9 8.9 13.1 1990 8.6 6.9 10.0 10.9 14.3 16.3 15.5 17.6 19.1 13.3 13.4 9.2 12.9 1991 8.5 9.3 8.3 12.5 12.9 15.9 15.5 17.0 16.6 12.7 9.7 5.6 12.0 1992 8.2 7.0 10.6 9.8 9.0 14.0 16.9 13.6 15.9 15.0 10.0 6.3 11.4 1993 6.9 7.3 8.8 10.0 9.6 14.1 14.9 15.0 16.9 13.5 6.9 7.3 10.9 1994 6.8 7.3 8.7 12.0 12.8 14.2 14.6 15.9 13.6 12.3 8.1 6.7 11.1 1995 7.2 8.5 11.4 10.5 12.0 13.7 15.7 18.4 15.3 14.7 11.3 9.4 12.3 1996 6.5 8.3 7.8 9.8 12.0 14.2 14.7 16.4 14.7 12.1 12.9 7.7 11.4 1997 9.6 11.2 8.0 10.9 13.2 15.4 15.7 17.5 13.4 12.1 8.8 7.6 11.9 1998 7.4 8.7 8.5 11.6 13.2 15.5 13.5 15.5 14.6 14.5 11.2 9.9 12.0 1999 7.1 9.6 10.9 11.5 15.2 14.2 14.0 14.8 14.5 11.5 10.1 9.8 11.9 2000 7.6 8.4 10.3 11.4 13.4 15.7 14.8 14.7 14.7 11.4 9.2 6.8 11.5 MEAN 8.4 9.2 9.2 11.2 13.1 15.3 15.7 16.6 16.4 13.4 10.4 8.1 12.2 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 5 STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1972 ****** ****** ****** ****** ****** ****** ****** ****** 5.91 4.52 4.34 2.45 ****** 1973 1.82 2.44 4.40 4.75 5.45 7.44 ****** ****** ****** ****** ****** ****** ****** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1975 ****** ****** ****** ****** ****** ****** ****** 9.17 7.67 5.64 3.91 3.06 ****** 1976 2.91 2.90 3.81 5.39 7.54 9.10 9.45 9.84 5.63 5.19 3.77 3.98 5.79 1977 1.82 2.79 4.13 5.23 6.68 7.21 7.81 8.52 7.43 5.04 3.81 3.07 5.29 1978 3.41 3.48 3.82 4.77 6.61 8.81 10.53 8.37 5.19 5.53 3.51 ****** ****** 1979 1.84 2.76 4.16 5.23 6.68 9.10 7.21 8.50 7.37 5.16 ****** ****** ****** 1980 1.96 3.31 4.28 5.35 5.74 7.16 9.46 8.67 ****** ****** ****** ****** ****** 1981 ****** ****** 3.79 3.81 5.85 9.10 ****** ****** 7.38 5.05 ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 ****** ****** ****** ****** 6.81 7.86 9.29 8.16 5.38 ****** 5.15 ****** ****** 1987 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1988 ****** ****** ****** 7.27 7.97 9.69 12.27 11.54 6.32 6.01 3.66 3.39 ****** 1989 1.49 1.48 4.05 4.59 5.93 6.71 8.62 8.08 6.89 5.57 5.44 3.35 5.18 1990 2.33 2.89 3.72 4.83 5.88 6.81 8.28 6.33 3.65 5.40 4.51 ****** ****** 1991 ****** ****** ****** ****** 6.29 7.73 8.20 7.93 5.86 6.15 4.91 3.15 ****** 1992 2.21 2.50 2.52 4.64 6.96 8.04 8.41 8.71 5.80 5.14 4.65 3.29 5.24 1993 2.58 2.70 3.34 4.93 6.65 7.44 8.53 8.08 5.41 5.27 4.28 3.21 5.20 1994 3.02 3.20 4.21 5.69 6.58 7.35 8.98 7.35 6.63 6.40 4.90 2.43 5.56 1995 3.20 3.40 3.91 5.26 6.89 8.10 8.46 7.32 6.40 4.99 4.04 2.89 5.40 1996 2.78 3.55 3.78 4.65 6.99 6.84 8.62 6.66 6.09 5.63 4.07 4.19 5.32 1997 2.69 2.22 3.14 4.72 6.63 7.68 7.99 7.51 6.72 6.47 5.17 3.81 5.40 1998 2.78 2.62 4.17 5.65 7.24 7.54 8.90 7.57 5.94 4.55 4.83 3.87 5.47 1999 3.50 3.52 3.84 4.99 5.74 6.69 7.99 7.26 6.05 5.10 4.17 3.59 5.20 2000 2.69 2.44 3.21 5.29 5.91 6.10 7.41 6.43 5.41 5.16 4.27 3.78 4.84 MEAN 2.54 2.84 3.80 5.11 6.53 7.74 8.76 8.11 6.15 5.40 4.39 3.35 5.39 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 6 STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1972 ****** ****** ****** ****** ****** ****** ****** ****** 5.12 4.18 4.76 2.76 ****** 1973 2.95 3.75 4.60 6.72 6.64 5.67 ****** ****** ****** ****** ****** ****** ****** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1975 ****** ****** ****** ****** ****** ****** ****** 9.32 8.96 7.56 5.53 2.91 ****** 1976 2.51 3.04 4.05 5.71 7.99 10.17 9.82 16.58 9.13 5.89 4.81 4.73 7.04 1977 2.88 4.40 4.82 7.36 8.01 8.25 10.45 11.58 10.97 7.04 4.86 3.94 7.05 1978 4.88 5.21 5.98 5.73 9.80 14.96 20.38 8.98 6.53 7.02 5.00 ****** ****** 1979 2.85 4.37 4.77 7.36 8.01 10.18 8.29 12.60 10.90 5.94 ****** ****** ****** 1980 2.99 4.23 5.68 6.88 8.25 15.69 17.55 19.85 ****** ****** ****** ****** ****** 1981 ****** ****** 4.05 7.63 11.43 10.16 ****** ****** 10.88 7.34 ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 ****** 4.02 4.22 6.67 7.18 7.35 9.38 8.32 4.47 ****** 5.21 3.22 ****** 1987 3.56 4.59 3.92 4.49 7.12 6.94 7.91 7.81 8.24 5.20 3.02 4.39 5.60 1988 3.51 3.58 4.51 6.50 8.07 9.91 12.86 12.02 7.32 6.13 4.30 3.91 6.89 1989 2.03 1.97 4.14 5.33 6.15 6.43 11.11 11.44 9.99 4.98 5.85 3.68 6.09 1990 2.64 3.09 3.93 4.81 6.31 7.05 8.38 7.95 5.75 5.96 4.64 4.08 5.38 1991 3.24 3.53 4.67 5.74 6.88 7.88 8.56 8.51 5.81 6.06 5.15 3.35 5.78 1992 2.43 2.94 2.95 4.91 7.41 7.63 7.90 8.37 5.64 4.85 5.86 3.49 5.36 1993 3.07 2.97 3.56 5.11 6.59 6.51 8.40 7.86 5.40 4.96 4.36 3.42 5.18 1994 3.20 3.16 4.27 5.77 6.05 7.19 9.11 8.33 6.26 6.33 4.97 2.71 5.61 1995 3.43 3.46 3.98 5.10 6.54 8.02 8.68 7.85 6.02 4.90 3.89 3.19 5.42 1996 2.86 3.49 4.00 4.69 6.64 6.61 8.58 6.46 5.83 6.02 4.38 4.48 5.34 1997 2.99 2.58 3.45 4.53 6.39 7.82 7.46 8.17 6.85 7.04 5.77 4.06 5.59 1998 2.96 2.84 4.35 5.63 7.09 7.83 8.90 7.80 5.60 4.80 5.13 4.10 5.58 1999 3.73 3.65 4.03 4.66 5.22 6.83 7.73 6.64 5.81 4.71 4.11 3.80 5.08 2000 2.84 2.47 3.19 5.23 5.60 5.34 6.55 5.80 4.98 5.16 4.46 3.99 4.63 MEAN 3.08 3.50 4.24 5.76 7.25 8.39 9.91 9.64 7.12 5.82 4.81 3.70 6.09 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 7 STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1972 ****** ****** ****** ****** ****** ****** ****** ****** 7.00 4.29 4.72 2.83 ****** 1973 2.35 3.78 5.58 6.33 6.25 5.24 ****** ****** ****** ****** ****** ****** ****** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1975 ****** ****** ****** ****** ****** ****** ****** 9.05 8.33 7.72 5.09 3.17 ****** 1976 3.08 2.95 3.82 5.65 8.16 8.79 8.95 15.49 6.45 5.29 4.49 4.46 6.47 1977 2.55 3.68 4.97 6.55 7.26 6.95 8.53 10.57 9.87 6.14 4.67 3.33 6.26 1978 3.81 4.43 5.14 5.57 9.05 12.84 19.17 8.50 6.26 6.81 4.35 ****** ****** 1979 2.51 3.64 4.95 6.39 7.22 8.79 6.95 10.56 9.95 5.29 ****** ****** ****** 1980 2.57 3.93 4.68 5.85 6.18 10.43 16.91 16.43 ****** ****** ****** ****** ****** 1981 ****** ****** 3.82 6.31 8.98 8.62 ****** ****** 9.92 6.14 ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 ****** ****** 4.08 6.86 7.19 6.91 8.24 7.41 3.98 ****** 5.29 3.06 ****** 1987 3.30 4.38 3.92 4.54 6.49 5.87 6.44 6.69 6.61 5.26 ****** 4.44 ****** 1988 ****** 3.63 4.46 6.39 7.57 8.87 12.09 10.56 6.22 6.22 4.20 3.60 ****** 1989 1.95 1.98 3.95 4.56 5.17 5.21 9.95 9.60 8.26 5.09 5.64 3.43 5.40 1990 2.61 3.06 3.63 4.51 5.29 6.03 7.69 6.23 4.50 5.52 4.45 3.98 4.79 1991 3.19 3.36 4.60 5.18 5.54 7.13 7.46 7.11 5.11 6.35 4.80 3.32 5.26 1992 2.41 2.86 3.02 4.74 7.30 7.05 6.78 7.62 5.18 5.09 5.80 3.33 5.10 1993 2.94 2.98 3.24 4.98 6.50 6.54 7.70 6.85 4.71 5.35 4.47 3.66 4.99 1994 3.22 3.28 4.14 5.32 5.76 6.45 7.63 6.46 5.85 6.09 4.89 2.67 5.15 1995 3.43 3.45 3.95 4.93 6.59 7.85 7.27 7.15 5.53 4.54 3.83 3.02 5.13 1996 3.01 3.61 4.03 4.43 6.19 5.87 8.13 5.83 5.76 5.64 3.84 4.23 5.05 1997 2.94 2.54 3.40 4.44 6.01 6.67 6.50 6.85 6.87 6.85 5.64 3.94 5.22 1998 2.90 2.96 4.42 5.57 6.86 7.22 8.08 6.44 5.29 4.48 4.98 3.90 5.26 1999 3.69 3.44 4.08 4.35 5.00 5.44 6.37 5.74 5.50 5.14 3.99 3.70 4.70 2000 2.79 2.55 3.16 4.98 4.97 5.02 5.34 4.80 4.61 5.12 4.42 4.07 4.32 MEAN 2.91 3.33 4.14 5.39 6.62 7.27 8.81 8.38 6.45 5.65 4.72 3.59 5.60 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 8 STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 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 1972 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** 10.0 25 5.5 22 -2.5 11 -19.5 28 ***** 1973 -22.0 11 -14.5 11 -3.5 9 3.0 11 4.0 3 9.0 5 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1974 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1975 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** 4.0 20 5.0 25 0.5 20 -9.0 29 -12.0 22 ***** 1976 -14.0 15 -7.0 12 -6.0 1 1.5 4 5.0 6 8.5 12 11.0 1 12.5 24 7.0 22 1.0 31 -4.5 20 -3.5 1 -14.0 1977 -19.5 24 -11.5 11 -5.0 4 0.5 17 4.5 1 8.0 4 10.5 3 11.5 31 9.0 3 -4.0 24 -3.0 14 -16.0 26 -19.5 1978 -18.0 16 -7.5 12 -3.5 8 -0.5 1 4.0 3 6.0 4 10.5 1 11.5 21 9.0 27 3.5 31 -7.0 28 ***** ** ***** 1979 -19.5 24 -11.5 11 -5.0 4 0.5 17 4.5 1 8.5 12 8.0 4 11.5 31 9.0 3 1.0 31 ***** ** ***** ** ***** 1980 -19.5 25 -8.5 1 -12.0 5 -2.5 20 3.5 25 8.0 17 12.5 5 12.5 24 ***** ** ***** ** ***** ** ***** ** ***** 1981 ***** ** ***** ** -6.0 1 -6.0 1 -4.0 1 8.5 12 ***** ** ***** ** 10.0 18 -4.0 24 ***** ** ***** ** ***** 1982 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1983 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1984 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1985 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1986 ***** ** -7.5 11 -6.5 3 ***** ** 2.0 15 5.0 22 12.0 1 11.5 26 9.4 20 ***** ** -5.0 15 -19.0 5 ***** 1987 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1988 -22.0 20 -18.7 27 -10.0 6 -1.3 1 3.2 7 7.6 26 11.4 2 9.4 31 7.4 7 1.0 23 -12.0 15 -22.0 29 -22.0 1989 -28.6 5 -25.0 15 -5.2 30 2.0 3 4.0 12 6.0 2 10.4 1 8.8 16 5.0 21 3.0 25 -5.0 22 -9.0 6 -28.6 1990 -20.0 26 -15.0 1 -9.0 17 -2.0 4 1.0 8 8.2 28 12.6 8 10.2 25 6.8 18 3.0 17 -4.2 14 -20.0 29 -20.0 1991 -22.0 25 -17.0 5 -11.0 11 -3.0 20 3.0 3 8.0 3 13.0 8 8.8 31 7.4 28 2.6 30 -2.0 23 -14.0 7 -22.0 1992 -20.6 28 -21.6 29 -20.0 2 -5.8 3 0.6 6 7.6 5 10.4 1 11.0 30 5.6 29 1.0 30 -17.0 27 -18.4 27 -21.6 1993 -16.0 20 -18.0 18 -6.0 22 -1.0 23 3.6 4 8.0 6 11.4 6 11.0 13 8.4 25 0.5 22 -10.8 14 -11.4 20 -18.0 1994 -7.0 25 -7.6 4 -2.0 2 0.8 4 5.0 7 9.4 30 11.0 1 11.6 3 9.0 22 5.0 11 -3.0 9 -18.0 22 -18.0 1995 -6.6 23 -8.4 10 -3.4 1 -1.0 6 4.6 8 9.6 6 12.0 3 12.0 17 5.6 22 2.6 15 -8.0 27 -9.8 20 -9.8 1996 -15.4 22 -10.0 3 -3.0 17 0.6 15 7.0 1 7.4 7 14.0 1 13.0 24 9.0 23 -0.4 31 -3.8 13 -2.6 19 -15.4 1997 -19.6 29 -23.0 1 -15.2 8 -6.0 11 4.2 6 8.4 7 12.0 17 12.0 17 7.6 15 3.6 25 -2.0 28 -7.4 29 -23.0 1998 -21.0 14 -17.6 21 -6.4 3 -0.8 1 4.4 4 9.8 4 15.0 26 15.2 21 10.0 27 3.8 27 1.4 25 -4.0 20 -21.0 1999 -8.0 14 -5.0 23 -3.8 28 1.4 10 2.6 21 10.0 5 13.6 15 14.8 31 9.0 24 3.6 14 -4.0 30 -4.4 5 -8.0 2000 -19.6 18 -14.4 1 -6.4 16 -1.0 2 5.4 1 8.8 14 16.0 1 12.0 30 10.0 29 2.2 29 -1.6 29 -6.0 27 -19.6 LOW. -28.6 5 -25.0 15 -20.0 2 -6.0 1 -4.0 1 5.0 22 8.0 4 4.0 20 5.0 25 -4.0 24 -17.0 27 -22.0 29 -28.6 YEAR 1989 1989 1992 1981 1981 1986 1979 1975 1975 1977 1992 1988 1989 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 9 STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 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 1972 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** 33.5 3 30.0 1 16.5 26 6.5 2 ***** 1973 2.5 16 8.8 17 15.0 25 21.0 29 29.5 28 34.0 22 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1974 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1975 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** 36.5 23 35.0 6 26.0 2 15.5 3 ***** ** ***** 1976 9.0 14 7.0 5 6.5 28 22.0 26 25.5 31 30.5 18 33.5 27 34.0 14 32.0 3 26.5 6 21.0 3 15.0 16 34.0 1977 2.5 28 17.0 27 16.0 22 20.5 28 27.0 13 31.5 25 34.0 26 37.0 24 31.5 7 29.0 2 17.5 7 12.0 1 37.0 1978 8.5 21 13.5 16 17.0 10 20.0 24 27.5 30 31.5 17 38.5 20 36.5 15 33.0 8 29.5 1 20.5 1 ***** ** ***** 1979 3.5 1 17.0 27 16.0 22 20.5 29 27.0 13 30.5 18 31.5 25 37.0 24 31.5 7 26.5 6 ***** ** ***** ** ***** 1980 3.5 1 7.5 9 16.0 28 21.5 8 28.5 31 32.5 30 36.0 16 34.5 14 ***** ** ***** ** ***** ** ***** ** ***** 1981 ***** ** ***** ** 6.5 28 23.0 23 23.5 24 30.5 18 ***** ** ***** ** 31.5 7 29.0 2 ***** ** ***** ** ***** 1982 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1983 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1984 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1985 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1986 ***** ** 12.2 24 17.5 29 21.0 23 25.0 21 31.0 30 36.0 7 35.4 2 32.5 3 ***** ** 16.0 1 10.0 26 ***** 1987 14.8 17 16.6 3 12.5 24 25.0 30 27.8 8 33.4 24 35.6 15 34.8 11 31.4 9 27.6 2 ***** ** 11.2 11 ***** 1988 5.0 25 8.8 29 14.5 19 20.2 20 27.2 18 32.0 12 36.8 31 34.4 12 31.8 15 24.8 28 18.8 3 15.0 5 36.8 1989 4.0 20 10.0 27 17.0 24 25.0 29 29.0 24 34.4 29 39.0 21 36.0 7 34.0 3 27.6 6 17.0 4 13.0 27 39.0 1990 4.0 2 8.0 28 15.4 31 25.0 26 28.8 31 32.0 12 37.0 16 35.4 5 31.0 9 26.2 7 22.0 3 16.0 2 37.0 1991 5.6 4 8.6 28 21.0 30 25.0 25 25.2 27 36.0 30 38.0 30 39.0 1 34.0 1 25.6 6 17.2 2 10.0 9 39.0 1992 3.0 20 4.4 20 11.2 30 19.4 12 27.6 29 30.4 29 34.8 30 33.6 16 32.0 8 25.4 4 19.8 2 9.6 11 34.8 1993 8.0 28 11.6 28 19.2 31 24.0 19 24.0 31 33.0 30 35.4 16 34.6 31 32.4 1 26.0 1 19.6 8 10.0 28 35.4 1994 11.6 3 11.4 27 17.4 31 26.0 21 30.0 28 32.2 10 35.4 15 35.0 18 30.4 12 23.4 6 19.0 3 8.2 2 35.4 1995 11.0 31 11.6 28 16.8 22 20.0 29 27.4 25 31.4 20 34.8 26 37.2 5 34.6 3 28.2 2 19.0 21 11.6 30 37.2 1996 11.2 1 14.0 25 15.0 30 23.0 30 28.4 27 35.6 30 36.0 21 36.4 1 33.4 2 28.4 3 18.0 3 14.4 2 36.4 1997 12.4 14 9.4 19 11.0 31 28.0 25 28.0 27 32.0 22 36.2 28 36.0 26 30.8 19 27.4 17 16.4 16 13.4 7 36.2 1998 4.4 26 10.6 6 15.0 12 26.6 15 30.0 9 35.4 23 36.0 18 38.4 29 36.4 1 28.2 6 21.4 6 19.4 10 38.4 1999 10.4 31 14.0 28 17.4 7 23.4 25 32.0 30 33.8 20 36.6 20 38.0 2 32.4 4 30.4 1 19.0 21 17.0 31 38.0 2000 17.4 2 12.0 24 18.0 31 24.6 14 28.6 25 34.8 30 37.6 16 38.0 2 34.4 9 25.2 11 16.8 12 11.8 1 38.0 HIG. 17.4 2 17.0 27 21.0 30 28.0 25 32.0 30 36.0 30 39.0 21 39.0 1 36.4 1 30.4 1 22.0 3 19.4 10 39.0 YEAR 2000 1977 1991 1997 1999 1991 1989 1991 1998 1999 1990 1998 1989 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 10 STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 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 1972 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** 1.0 8 30.0 29 22.0 4 1.5 25 ***** 1973 35.0 14 0.7 1 3.0 27 26.0 9 26.0 6 0.0 ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1974 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1975 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** 0.0 ** 0.0 ** 0.0 ** 11.0 28 10.0 29 ***** 1976 25.0 30 14.8 29 6.4 6 7.0 14 4.4 11 0.0 ** 0.0 ** 0.0 ** 0.0 ** 8.0 16 12.0 24 17.0 9 25.0 1977 17.0 4 5.0 5 49.0 16 30.0 13 33.0 20 0.0 ** 0.0 ** 8.0 7 0.0 ** 19.0 17 0.0 ** 28.0 13 49.0 1978 8.0 9 6.0 11 18.0 11 4.0 29 15.0 8 34.0 4 0.0 ** 0.0 ** 0.0 ** 0.0 ** 20.0 12 ***** ** ***** 1979 0.0 ** 6.0 5 49.0 16 40.0 14 33.0 20 0.0 ** 0.0 ** 6.0 7 0.0 ** 8.0 16 ***** ** ***** ** ***** 1980 18.0 27 21.0 6 10.0 15 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** ***** ** ***** ** ***** ** ***** ** ***** 1981 ***** ** ***** ** 4.0 12 4.0 16 8.0 30 0.0 ** ***** ** ***** ** 0.0 ** 19.0 17 ***** ** ***** ** ***** 1982 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1983 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1984 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1985 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1986 ***** ** 63.0 6 33.0 31 26.0 28 30.0 9 1.0 10 0.0 ** 0.0 ** 0.0 ** ***** ** 46.0 9 17.0 27 ***** 1987 14.0 6 21.0 4 21.2 6 27.0 13 7.0 12 3.0 18 0.0 ** 0.0 ** 0.0 ** 28.0 5 28.0 3 49.0 6 49.0 1988 22.0 28 25.0 17 21.0 4 20.0 22 15.0 1 4.0 30 0.8 1 9.0 4 0.0 ** 9.0 16 18.0 10 27.0 26 27.0 1989 37.0 11 16.0 19 27.0 10 1.0 1 4.6 10 0.0 ** 0.0 ** 0.3 18 0.1 19 19.0 29 52.0 12 12.0 12 52.0 1990 17.0 1 26.0 15 20.0 14 41.0 13 1.1 11 0.0 ** 0.0 ** 0.0 ** 0.0 ** 10.0 25 14.0 11 30.0 24 41.0 1991 13.0 31 34.0 26 49.0 6 23.0 4 6.0 16 0.0 ** 0.0 ** 0.0 ** 0.0 ** 12.0 16 85.0 4 74.0 9 85.0 1992 89.0 16 64.0 7 12.0 6 19.0 13 16.4 6 15.0 3 0.0 ** 0.0 ** 3.0 27 0.0 ** 27.0 7 23.0 15 89.0 1993 22.0 8 35.0 3 35.0 8 45.0 8 50.0 13 4.0 21 0.0 ** 2.0 7 0.0 ** 51.0 28 49.0 1 38.0 14 51.0 1994 31.0 2 22.0 28 27.0 12 45.0 1 13.0 4 22.8 28 0.0 ** 0.0 ** 11.0 8 21.0 15 53.0 6 34.0 19 53.0 1995 18.0 16 22.0 5 26.0 17 35.0 4 12.0 4 8.0 22 0.0 ** 0.0 ** 6.0 20 1.4 3 30.0 3 4.6 12 35.0 1996 24.0 7 17.0 1 15.0 23 45.0 12 10.0 8 1.0 1 0.7 8 0.1 29 1.1 21 6.0 15 11.0 6 24.0 10 45.0 1997 41.0 16 28.3 24 24.0 28 15.0 9 21.0 21 6.0 6 0.8 6 0.0 ** 0.0 ** 4.2 20 18.0 3 18.1 10 41.0 1998 35.0 12 22.0 8 58.0 17 23.0 28 12.0 3 5.0 3 0.0 ** 0.0 ** 0.0 ** 1.0 19 18.6 11 19.0 30 58.0 1999 28.6 9 23.0 18 15.0 11 45.0 1 1.0 14 0.0 ** 4.0 15 1.0 10 0.6 22 16.0 25 18.0 1 15.3 15 45.0 2000 36.0 21 20.0 14 26.0 8 23.6 29 4.0 8 0.0 ** 1.0 15 0.0 ** 1.6 29 13.0 25 16.0 24 37.0 21 37.0 HIG. 89.0 16 64.0 7 58.0 17 45.0 8 50.0 13 34.0 4 4.0 15 9.0 4 11.0 8 51.0 28 85.0 4 74.0 9 89.0 YEAR 1992 1992 1998 1993 1993 1978 1999 1988 1994 1993 1991 1991 1992 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 11 STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 MET. MONTHLY TOTAL PRECIPITATION WITH SEASONAL PERCENT. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL SEASONAL-PERCENT ----------------------- 1972 ****** ****** ****** ****** ****** ****** ****** ****** 1.0 32.0 50.5 2.7 ****** ***** ***** 1.2 98.8 1973 64.0 2.4 8.6 72.4 74.7 0.0 ****** ****** ****** ****** ****** ****** ****** 33.8 66.2 ***** ***** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1975 ****** ****** ****** ****** ****** ****** ****** 0.0 0.0 0.0 15.0 31.0 ****** ***** ***** 0.0 100.0 1976 89.0 34.8 11.6 43.8 22.0 0.0 0.0 0.0 0.0 18.0 20.0 17.0 256.2 52.8 25.7 0.0 21.5 1977 47.0 9.0 136.0 98.0 109.0 0.0 0.0 8.0 0.0 36.0 0.0 85.0 528.0 36.4 39.2 1.5 22.9 1978 16.0 18.0 37.0 6.0 56.0 41.0 0.0 0.0 0.0 0.0 66.0 ****** ****** 29.6 42.9 0.0 27.5 1979 0.0 17.0 136.0 114.0 109.0 0.0 0.0 6.0 0.0 24.0 ****** ****** ****** 37.7 54.9 1.5 5.9 1980 70.0 55.0 14.0 0.0 0.0 0.0 0.0 0.0 ****** ****** ****** ****** ****** 100.0 0.0 0.0 ***** 1981 ****** ****** 7.0 7.0 19.0 0.0 ****** ****** 0.0 36.0 ****** ****** ****** 10.1 37.7 0.0 52.2 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1986 ****** 111.9 95.2 115.8 94.6 3.0 0.0 0.0 0.0 ****** 211.3 80.6 ****** 29.1 30.0 0.0 41.0 1987 34.0 126.0 152.9 67.7 15.0 3.0 0.0 0.0 0.0 167.0 43.0 342.8 951.4 32.9 9.0 0.0 58.1 1988 112.5 108.1 106.6 106.6 16.0 6.0 0.8 20.0 0.0 35.3 77.9 80.8 670.6 48.8 19.2 3.1 28.9 1989 59.7 28.0 109.5 1.8 9.0 0.0 0.0 0.6 0.1 41.8 108.7 38.5 397.7 49.6 2.7 0.2 47.5 1990 69.1 95.4 79.6 180.6 1.1 0.0 0.0 0.0 0.0 31.0 26.9 68.2 551.9 44.2 32.9 0.0 22.8 1991 42.0 93.3 179.4 56.7 11.4 0.0 0.0 0.0 0.0 30.4 106.1 217.4 736.7 42.7 9.2 0.0 48.0 1992 152.8 318.4 65.0 87.0 131.0 20.6 0.0 0.0 3.4 0.0 149.6 111.5 1039.3 51.6 23.0 0.3 25.1 1993 46.0 134.8 101.8 151.0 119.8 6.8 0.0 2.0 0.0 73.0 173.0 84.2 892.4 31.7 31.1 0.2 37.0 1994 128.0 69.2 99.2 113.2 32.2 25.6 0.0 0.0 17.0 62.3 202.6 101.2 850.5 34.9 20.1 2.0 43.0 1995 28.0 69.4 68.2 156.7 32.4 19.9 0.0 0.0 8.0 1.4 71.4 10.8 466.2 35.5 44.8 1.7 17.9 1996 138.2 54.3 74.7 134.7 30.3 1.0 0.7 0.1 1.9 26.4 19.5 86.7 568.5 47.0 29.2 0.5 23.3 1997 103.2 123.2 127.1 73.6 53.4 7.0 1.2 0.0 0.0 12.3 87.4 36.1 624.5 56.6 21.5 0.2 21.7 1998 119.4 55.8 160.6 71.4 34.8 6.2 0.0 0.0 0.0 1.0 38.4 37.6 525.2 63.9 21.4 0.0 14.7 1999 70.0 91.0 60.4 57.6 4.6 0.0 5.4 1.0 0.6 32.0 44.6 37.7 404.9 54.7 15.4 1.7 28.2 2000 118.1 54.0 98.6 95.2 10.1 0.0 1.0 0.0 3.1 41.0 42.0 114.1 577.2 46.9 18.2 0.7 34.1 MEAN 75.4 79.5 87.7 82.3 44.8 6.4 0.5 1.8 1.6 33.4 77.7 83.4 574.5 42.3 23.2 0.6 33.9 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 12 STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 MET. NO. OF DAYS WITH PRECIPITATION YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1972 *** *** *** *** *** *** *** *** 1 2 7 3 *** 1973 4 4 5 5 5 0 *** *** *** *** *** *** *** 1974 *** *** *** *** *** *** *** *** *** *** *** *** *** 1975 *** *** *** *** *** *** *** 0 0 0 2 6 *** 1976 6 4 2 11 6 0 0 0 0 3 2 1 35 1977 4 2 10 5 5 0 0 1 0 4 0 11 42 1978 3 4 5 2 4 3 0 0 0 0 5 *** *** 1979 0 3 10 7 5 0 0 1 0 4 *** *** *** 1980 6 3 2 0 0 0 0 0 *** *** *** *** *** 1981 *** *** 2 2 3 0 *** *** 0 4 *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** 10 14 14 15 4 0 0 0 *** 15 11 *** 1987 8 14 17 11 4 1 0 0 0 14 4 18 91 1988 15 15 14 16 2 2 1 3 0 10 12 11 101 1989 11 6 12 2 4 0 0 2 1 6 13 8 65 1990 10 15 13 10 1 0 0 0 0 8 4 10 71 1991 8 9 14 9 4 0 0 0 0 8 4 14 70 1992 14 18 12 10 21 5 0 0 2 0 11 11 104 1993 8 12 12 16 13 3 0 1 0 4 14 7 90 1994 10 10 10 14 6 3 0 0 2 7 16 12 90 1995 7 9 9 13 9 6 0 0 2 1 8 4 68 1996 14 8 15 11 9 1 1 1 2 11 3 13 89 1997 9 9 17 12 8 2 2 0 0 7 9 8 83 1998 15 8 14 10 8 3 0 0 0 1 7 7 73 1999 10 10 14 4 6 0 3 1 1 9 5 6 69 2000 18 9 8 13 6 0 1 0 3 6 8 12 84 MEAN 9 9 11 9 7 2 0 0 1 5 7 9 69 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 13 STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 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 1972 *** *** *** *** *** *** *** *** 1 2 4 1 *** 1973 4 0 4 5 4 0 *** *** *** *** *** *** *** 1974 *** *** *** *** *** *** *** *** *** *** *** *** *** 1975 *** *** *** *** *** *** *** 0 0 0 2 6 *** 1976 6 4 2 11 6 0 0 0 0 3 2 1 35 1977 4 2 10 5 5 0 0 1 0 4 0 11 42 1978 3 4 5 2 4 3 0 0 0 0 5 *** *** 1979 0 3 10 7 5 0 0 1 0 4 *** *** *** 1980 6 3 2 0 0 0 0 0 *** *** *** *** *** 1981 *** *** 2 2 3 0 *** *** 0 4 *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** 8 13 13 11 2 0 0 0 *** 13 9 *** 1987 5 14 15 8 4 1 0 0 0 14 4 17 82 1988 15 12 13 14 2 2 0 3 0 7 10 9 87 1989 6 5 11 1 2 0 0 0 0 5 5 5 40 1990 9 10 12 8 1 0 0 0 0 6 3 7 56 1991 8 7 13 8 3 0 0 0 0 6 4 12 61 1992 13 16 12 9 19 4 0 0 1 0 10 11 95 1993 8 12 11 11 12 2 0 1 0 4 14 6 81 1994 10 10 10 12 5 2 0 0 2 7 15 11 84 1995 5 8 9 11 7 4 0 0 2 1 8 4 59 1996 13 8 14 10 6 1 0 0 1 7 2 9 71 1997 7 9 15 11 6 2 0 0 0 3 8 8 69 1998 14 7 11 9 7 1 0 0 0 1 5 6 61 1999 10 10 12 4 3 0 2 1 0 5 4 5 56 2000 14 7 7 11 3 0 1 0 2 6 6 11 68 MEAN 8 8 10 8 5 1 0 0 0 4 6 8 58 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 14 STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 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 1972 *** *** *** *** *** *** *** *** 0 1 3 0 *** 1973 2 0 0 3 4 0 *** *** *** *** *** *** *** 1974 *** *** *** *** *** *** *** *** *** *** *** *** *** 1975 *** *** *** *** *** *** *** 0 0 0 1 1 *** 1976 5 1 0 0 0 0 0 0 0 0 1 1 8 1977 3 0 5 3 4 0 0 0 0 1 0 3 19 1978 0 0 2 0 4 1 0 0 0 0 3 *** *** 1979 0 0 5 4 4 0 0 0 0 0 *** *** *** 1980 5 3 1 0 0 0 0 0 *** *** *** *** *** 1981 *** *** 0 0 0 0 *** *** 0 1 *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** 3 3 4 3 0 0 0 0 *** 8 4 *** 1987 1 6 7 2 0 0 0 0 0 8 2 11 37 1988 6 4 5 6 1 0 0 0 0 0 3 3 28 1989 1 1 4 0 0 0 0 0 0 2 2 3 13 1990 3 3 4 6 0 0 0 0 0 1 2 3 22 1991 2 4 5 3 0 0 0 0 0 1 2 6 23 1992 2 8 3 5 4 1 0 0 0 0 7 4 34 1993 1 4 3 4 3 0 0 0 0 2 5 2 24 1994 5 3 4 4 2 1 0 0 1 2 5 3 30 1995 1 3 2 5 1 0 0 0 0 0 1 0 13 1996 5 2 3 4 1 0 0 0 0 0 1 4 20 1997 3 7 4 3 2 0 0 0 0 0 4 1 24 1998 3 2 5 3 1 0 0 0 0 0 2 1 17 1999 2 4 2 1 0 0 0 0 0 1 3 2 15 2000 5 2 5 3 0 0 0 0 0 3 1 4 23 MEAN 3 3 3 3 2 0 0 0 0 1 3 3 21 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 15 STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1972 *** *** *** *** *** *** *** *** 42 43 76 83 *** 1973 82 84 86 64 59 55 *** *** *** *** *** *** *** 1974 *** *** *** *** *** *** *** *** *** *** *** *** *** 1975 *** *** *** *** *** *** *** 63 58 68 70 75 *** 1976 79 79 82 73 81 67 69 67 59 73 75 81 74 1977 78 80 76 76 81 66 56 58 64 68 77 78 72 1978 85 81 77 65 74 82 78 60 49 67 85 *** *** 1979 75 78 76 76 81 67 66 58 63 73 *** *** *** 1980 75 88 82 77 71 68 57 60 *** *** *** *** *** 1981 *** *** 82 61 71 67 *** *** 63 68 *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** *** *** *** 86 74 63 60 51 *** 93 *** *** 1987 *** *** *** *** *** *** *** *** *** *** *** *** *** 1988 *** *** *** 90 83 85 84 80 64 71 72 80 *** 1989 75 76 78 61 66 62 54 64 71 60 83 78 69 1990 78 80 76 78 68 58 53 50 39 70 65 *** *** 1991 *** *** *** *** 72 64 55 54 59 77 81 87 *** 1992 80 81 81 75 82 73 64 65 61 70 82 80 75 1993 78 79 76 72 74 64 58 60 51 67 76 79 70 1994 70 73 78 76 71 61 61 52 60 79 77 70 69 1995 72 80 77 76 70 69 59 53 58 69 73 76 69 1996 79 76 76 69 69 57 53 46 52 69 77 74 66 1997 74 82 80 71 70 63 56 53 61 73 86 80 71 1998 90 76 80 77 78 56 54 47 49 57 66 69 67 1999 87 78 76 68 59 47 49 41 51 53 72 76 63 2000 75 72 67 64 58 47 40 39 45 66 77 81 61 MEAN 78 79 78 72 73 64 59 57 56 67 77 78 70 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 16 STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1972 *** *** *** *** *** *** *** *** 21 21 51 76 *** 1973 85 77 61 60 42 24 *** *** *** *** *** *** *** 1974 *** *** *** *** *** *** *** *** *** *** *** *** *** 1975 *** *** *** *** *** *** *** 35 37 50 68 74 *** 1976 72 81 82 55 58 42 36 55 37 43 50 61 56 1977 84 71 55 60 51 34 36 37 42 51 49 78 54 1978 88 71 63 47 55 73 67 29 24 38 77 *** *** 1979 83 70 54 60 51 42 34 39 42 43 *** *** *** 1980 84 86 74 59 47 62 54 62 *** *** *** *** *** 1981 *** *** 82 66 75 42 *** *** 42 53 *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** 64 60 62 50 36 31 28 17 *** 73 72 *** 1987 58 70 65 41 37 27 28 29 37 51 31 73 46 1988 86 82 68 60 46 45 49 50 33 43 50 66 57 1989 71 62 57 35 34 25 33 37 43 35 63 59 46 1990 70 69 53 48 37 29 29 29 22 42 43 64 45 1991 80 76 64 45 44 33 29 28 24 42 54 78 50 1992 70 76 64 52 63 39 29 36 28 31 66 67 52 1993 76 68 58 52 49 30 31 30 23 37 60 69 49 1994 60 56 54 44 36 34 34 30 31 44 58 62 45 1995 60 58 47 50 39 38 32 25 29 33 43 55 42 1996 69 58 61 47 39 31 29 22 25 43 47 61 44 1997 58 66 68 45 38 34 28 27 33 44 67 64 48 1998 76 64 62 47 42 31 32 25 24 31 44 49 44 1999 71 55 50 39 28 27 28 20 25 30 46 53 39 2000 62 50 45 40 31 22 20 19 22 39 54 65 39 MEAN 73 68 61 51 45 36 34 33 30 40 55 66 49 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 17 STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1972 *** *** *** *** *** *** *** *** 28 25 65 82 *** 1973 79 82 77 60 38 22 *** *** *** *** *** *** *** 1974 *** *** *** *** *** *** *** *** *** *** *** *** *** 1975 *** *** *** *** *** *** *** 34 35 60 63 79 *** 1976 81 80 82 61 55 42 34 58 30 47 58 70 58 1977 83 72 66 65 55 33 33 37 43 51 62 77 56 1978 85 79 69 59 58 74 69 29 24 39 76 *** *** 1979 82 70 65 63 54 43 33 37 44 47 *** *** *** 1980 84 88 84 72 51 57 62 58 *** *** *** *** *** 1981 *** *** 82 67 73 41 *** *** 43 51 *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** *** 58 63 53 33 26 24 17 *** 82 73 *** 1987 55 67 66 44 35 23 22 25 30 50 *** 72 *** 1988 *** 84 68 60 45 40 43 42 29 48 55 67 *** 1989 73 62 55 32 29 20 28 31 39 40 67 60 45 1990 72 70 53 46 31 24 25 21 18 44 45 67 43 1991 82 75 66 45 35 28 24 23 22 49 55 77 48 1992 73 76 68 53 62 35 24 31 27 36 71 69 52 1993 76 69 54 52 50 29 26 25 20 43 65 72 48 1994 60 61 55 43 36 29 26 21 30 48 62 65 45 1995 60 59 48 50 39 38 23 21 27 34 47 56 42 1996 73 61 62 47 36 25 26 18 27 44 44 60 44 1997 60 63 69 45 38 29 22 21 33 47 69 65 47 1998 76 66 62 47 41 26 27 19 23 30 46 49 43 1999 72 52 53 36 28 20 22 17 24 38 48 56 39 2000 63 53 44 37 27 19 15 15 21 42 57 72 39 MEAN 73 69 64 52 44 33 31 29 29 43 60 68 50 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 18 STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 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 1972 *** *** *** *** *** *** *** *** 0 0 0 22 *** 1973 30 22 0 0 0 0 *** *** *** *** *** *** *** 1974 *** *** *** *** *** *** *** *** *** *** *** *** *** 1975 *** *** *** *** *** *** *** 0 0 0 3 31 *** 1976 24 24 13 0 0 0 0 0 0 0 2 0 63 1977 29 16 1 0 0 0 0 0 0 1 0 13 60 1978 10 7 0 0 0 0 0 0 0 0 16 *** *** 1979 29 16 1 0 0 0 0 0 0 0 *** *** *** 1980 27 19 9 0 0 0 0 0 *** *** *** *** *** 1981 *** *** 12 6 1 0 *** *** 0 1 *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** 6 4 *** 0 0 0 0 0 *** 4 17 *** 1987 *** *** *** *** *** *** *** *** *** *** *** *** *** 1988 20 20 3 0 0 0 0 0 0 0 8 15 66 1989 28 26 1 0 0 0 0 0 0 0 1 7 63 1990 24 18 5 0 0 0 0 0 0 0 1 9 57 1991 22 17 3 0 0 0 0 0 0 0 0 17 59 1992 23 18 23 1 0 0 0 0 0 0 3 11 79 1993 21 18 5 0 0 0 0 0 0 0 3 10 57 1994 8 8 0 0 0 0 0 0 0 0 0 17 33 1995 7 8 0 0 0 0 0 0 0 0 7 12 34 1996 19 6 0 0 0 0 0 0 0 0 0 0 25 1997 13 18 12 1 0 0 0 0 0 0 0 6 50 1998 18 19 2 0 0 0 0 0 0 0 0 2 41 1999 11 4 0 0 0 0 0 0 0 0 1 4 20 2000 15 16 7 0 0 0 0 0 0 0 0 4 42 MEAN 20 15 5 0 0 0 0 0 0 0 3 11 54 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 19 STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 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 1972 *** *** *** *** *** *** *** *** 0 0 0 0 *** 1973 0 0 0 0 0 0 *** *** *** *** *** *** *** 1974 *** *** *** *** *** *** *** *** *** *** *** *** *** 1975 *** *** *** *** *** *** *** 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 1 0 0 0 *** *** 1979 0 0 0 0 0 0 0 0 0 0 *** *** *** 1980 0 0 0 0 0 0 2 0 *** *** *** *** *** 1981 *** *** 0 0 0 0 *** *** 0 0 *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** 0 0 *** 0 0 0 0 0 *** 0 0 *** 1987 *** *** *** *** *** *** *** *** *** *** *** *** *** 1988 0 0 0 0 0 0 1 0 0 0 0 0 1 1989 0 0 0 0 0 0 5 0 0 0 0 0 5 1990 0 0 0 0 0 1 1 0 0 0 0 0 2 1991 0 0 0 0 0 0 3 3 0 0 0 0 6 1992 0 0 0 0 0 0 0 0 0 0 0 0 0 1993 0 0 0 0 0 0 1 0 0 0 0 0 1 1994 0 0 0 0 0 0 0 0 0 0 0 0 0 1995 0 0 0 0 0 0 4 0 0 0 0 0 4 1996 0 0 0 0 0 0 2 0 0 0 0 0 2 1997 0 0 0 0 0 0 0 0 0 0 0 0 0 1998 0 0 0 0 0 0 5 1 0 0 0 0 6 1999 0 0 0 0 0 0 3 9 0 0 0 0 12 2000 0 0 0 0 0 0 10 4 0 0 0 0 14 MEAN 0 0 0 0 0 0 2 1 0 0 0 0 3 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 20 STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 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 1972 *** *** *** *** *** *** *** *** 0 0 0 21 *** 1973 22 12 0 0 0 0 *** *** *** *** *** *** *** 1974 *** *** *** *** *** *** *** *** *** *** *** *** *** 1975 *** *** *** *** *** *** *** 0 0 0 0 *** *** 1976 0 0 0 0 0 0 0 0 0 0 0 0 0 1977 22 3 0 0 0 0 0 0 0 0 0 9 34 1978 6 0 0 0 0 0 0 0 0 0 2 *** *** 1979 22 3 0 0 0 0 0 0 0 0 *** *** *** 1980 22 3 2 0 0 0 0 0 *** *** *** *** *** 1981 *** *** 0 1 0 0 *** *** 0 0 *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** 0 0 0 0 0 0 0 0 *** 0 13 *** 1987 0 0 1 0 0 0 0 0 0 0 *** 0 *** 1988 10 8 0 0 0 0 0 0 0 0 0 8 26 1989 25 19 0 0 0 0 0 0 0 0 0 2 46 1990 14 9 1 0 0 0 0 0 0 0 0 8 32 1991 12 10 2 0 0 0 0 0 0 0 0 13 37 1992 22 13 10 0 0 0 0 0 0 0 2 8 55 1993 18 9 1 0 0 0 0 0 0 0 2 2 32 1994 2 1 0 0 0 0 0 0 0 0 0 12 15 1995 0 0 0 0 0 0 0 0 0 0 1 0 1 1996 13 2 0 0 0 0 0 0 0 0 0 0 15 1997 10 12 4 0 0 0 0 0 0 0 0 0 26 1998 14 10 0 0 0 0 0 0 0 0 0 0 24 1999 0 1 0 0 0 0 0 0 0 0 0 0 1 2000 8 6 0 0 0 0 0 0 0 0 0 0 14 MEAN 12 6 1 0 0 0 0 0 0 0 0 5 24 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 21 STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 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 1972 *** *** *** *** *** *** *** *** 9 2 0 0 *** 1973 0 0 0 0 0 11 *** *** *** *** *** *** *** 1974 *** *** *** *** *** *** *** *** *** *** *** *** *** 1975 *** *** *** *** *** *** *** 26 8 0 0 *** *** 1976 0 0 0 0 0 7 24 28 6 0 0 0 65 1977 0 0 0 0 0 3 26 26 9 0 0 0 64 1978 0 0 0 0 0 5 21 28 21 0 0 *** *** 1979 0 0 0 0 0 7 3 25 9 0 *** *** *** 1980 0 0 0 0 0 10 30 31 *** *** *** *** *** 1981 *** *** 0 0 0 7 *** *** 9 0 *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** 0 0 0 0 4 25 27 17 *** 0 0 *** 1987 0 0 0 0 0 7 20 22 6 0 *** 0 *** 1988 0 0 0 0 0 5 14 10 7 0 0 0 36 1989 0 0 0 0 0 15 31 29 9 0 0 0 84 1990 0 0 0 0 0 12 22 25 11 0 0 0 70 1991 0 0 0 0 0 12 27 27 12 0 0 0 78 1992 0 0 0 0 0 1 22 12 5 0 0 0 40 1993 0 0 0 0 0 5 23 21 14 0 0 0 63 1994 0 0 0 0 1 5 19 28 1 0 0 0 54 1995 0 0 0 0 0 4 26 31 14 0 0 0 75 1996 0 0 0 0 0 4 26 29 10 0 0 0 69 1997 0 0 0 0 0 11 22 31 2 0 0 0 66 1998 0 0 0 0 1 17 24 28 13 0 0 0 83 1999 0 0 0 0 2 13 24 31 11 2 0 0 83 2000 0 0 0 0 0 16 31 30 11 0 0 0 88 MEAN 0 0 0 0 0 8 23 26 10 0 0 0 67 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 22 STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 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 1972 *** *** *** *** *** *** *** *** 0 0 0 0 *** 1973 0 0 0 0 0 0 *** *** *** *** *** *** *** 1974 *** *** *** *** *** *** *** *** *** *** *** *** *** 1975 *** *** *** *** *** *** *** 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 *** *** 1979 0 0 0 0 0 0 0 0 0 0 *** *** *** 1980 0 0 0 0 0 0 0 0 *** *** *** *** *** 1981 *** *** 0 0 0 0 *** *** 0 0 *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** 0 0 0 0 0 0 0 0 *** 0 0 *** 1987 0 0 0 0 0 0 0 0 0 0 *** 0 *** 1988 0 0 0 0 0 0 0 0 0 0 0 0 0 1989 0 0 0 0 0 0 0 0 0 0 0 0 0 1990 0 0 0 0 0 0 0 0 0 0 0 0 0 1991 0 0 0 0 0 0 0 0 0 0 0 0 0 1992 0 0 0 0 0 0 0 0 0 0 0 0 0 1993 0 0 0 0 0 0 0 0 0 0 0 0 0 1994 0 0 0 0 0 0 0 0 0 0 0 0 0 1995 0 0 0 0 0 0 0 0 0 0 0 0 0 1996 0 0 0 0 0 0 0 0 0 0 0 0 0 1997 0 0 0 0 0 0 0 0 0 0 0 0 0 1998 0 0 0 0 0 0 0 0 0 0 0 0 0 1999 0 0 0 0 0 0 0 0 0 0 0 0 0 2000 0 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 0 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 23 STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 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 1972 *** *** *** *** *** *** *** *** 0 0 0 0 *** 1973 0 0 0 0 0 0 *** *** *** *** *** *** *** 1974 *** *** *** *** *** *** *** *** *** *** *** *** *** 1975 *** *** *** *** *** *** *** 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 *** *** 1979 0 0 0 0 0 0 0 0 0 0 *** *** *** 1980 0 0 0 0 0 0 0 0 *** *** *** *** *** 1981 *** *** 0 0 0 0 *** *** 0 0 *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** 0 0 0 0 0 0 0 0 *** 0 0 *** 1987 0 0 0 0 0 0 0 0 0 0 *** 0 *** 1988 0 0 0 0 0 0 0 0 0 0 0 0 0 1989 0 0 0 0 0 0 0 0 0 0 0 0 0 1990 0 0 0 0 0 0 0 0 0 0 0 0 0 1991 0 0 0 0 0 0 0 0 0 0 0 0 0 1992 0 0 0 0 0 0 0 0 0 0 0 0 0 1993 0 0 0 0 0 0 0 0 0 0 0 0 0 1994 0 0 0 0 0 0 0 0 0 0 0 0 0 1995 0 0 0 0 0 0 0 0 0 0 0 0 0 1996 0 0 0 0 0 0 0 0 0 0 0 0 0 1997 0 0 0 0 0 0 0 0 0 0 0 0 0 1998 0 0 0 0 0 0 0 0 0 0 0 0 0 1999 0 0 0 0 0 0 0 0 0 0 0 0 0 2000 0 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 0 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 24 STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 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 -------------- 1972 *** *** *** *** *** *** *** *** 0 0 15 28 *** 11 7 12 31 1973 31 28 23 0 0 0 *** *** *** *** *** *** *** 1 1 3 31 1974 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1975 *** *** *** *** *** *** *** 0 0 0 16 31 *** 11 3 12 31 1976 31 29 18 0 0 0 0 0 0 0 14 16 108 11 14 3 22 1977 31 27 11 0 0 0 0 0 0 5 15 26 115 10 23 3 20 1978 19 23 20 1 0 0 0 0 0 0 20 *** *** 11 7 4 1 1979 31 27 11 0 0 0 0 0 0 0 *** *** *** 1 1 3 21 1980 28 28 17 3 0 0 0 0 *** *** *** *** *** 1 1 4 20 1981 *** *** 17 16 1 0 *** *** 0 4 *** *** *** 10 23 5 1 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1986 *** 20 12 *** 0 0 0 0 0 *** 18 25 *** 11 8 4 1 1987 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1988 31 26 19 3 0 0 0 0 0 0 17 21 117 11 12 4 13 1989 30 27 8 0 0 0 0 0 0 0 2 22 89 11 21 3 30 1990 31 26 16 7 0 0 0 0 0 0 12 21 113 11 13 4 11 1991 31 23 14 1 0 0 0 0 0 0 6 22 97 11 17 4 20 1992 31 28 27 2 0 0 0 0 0 0 6 25 119 11 25 4 4 1993 28 26 24 1 0 0 0 0 0 0 7 28 114 11 13 4 23 1994 23 23 7 0 0 0 0 0 0 0 3 24 80 11 9 3 17 1995 19 22 17 1 0 0 0 0 0 0 13 28 100 11 12 4 6 1996 28 13 16 0 0 0 0 0 0 2 12 9 80 10 28 3 27 1997 24 27 28 6 0 0 0 0 0 0 6 14 105 11 20 4 14 1998 31 24 13 2 0 0 0 0 0 0 0 13 83 12 2 4 2 1999 25 17 15 0 0 0 0 0 0 0 9 20 86 11 2 3 28 2000 26 24 16 2 0 0 0 0 0 0 7 17 92 11 9 4 2 MEAN 28 24 17 2 0 0 0 0 0 1 10 22 104 10 23 5 1 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 25 STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 MET. AVERAGE OF DRY BULB TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1972 ****** ****** ****** ****** ****** ****** ****** ****** 23.2 19.1 6.9 -4.7 ****** 1973 -6.6 -1.8 5.6 10.9 16.5 22.8 ****** ****** ****** ****** ****** ****** ****** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1975 ****** ****** ****** ****** ****** ****** ****** 24.1 22.7 14.2 6.7 -1.5 ****** 1976 -2.7 -2.6 0.5 10.0 15.2 22.1 24.0 24.6 20.3 12.9 7.0 4.8 11.3 1977 -6.5 0.9 6.7 10.8 14.8 21.1 24.3 25.6 22.0 12.4 7.0 -1.0 11.5 1978 0.0 3.2 6.7 11.2 16.3 18.3 24.4 25.4 22.8 17.3 2.8 ****** ****** 1979 -6.5 1.0 6.6 10.7 14.8 22.0 21.1 25.6 22.1 12.9 ****** ****** ****** 1980 -6.0 -0.4 4.3 9.5 14.6 20.0 26.0 25.4 ****** ****** ****** ****** ****** 1981 ****** ****** 0.4 9.2 13.5 22.1 ****** ****** 22.0 12.4 ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 ****** ****** ****** ****** 14.3 20.0 26.3 25.3 22.2 ****** 5.4 ****** ****** 1987 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1988 ****** ****** ****** 12.4 17.1 21.0 24.4 23.6 20.7 14.6 5.8 1.6 ****** 1989 -8.5 -7.1 5.6 14.5 17.7 22.8 27.7 25.2 20.2 15.9 8.3 2.8 12.1 1990 -4.0 -0.9 5.1 9.6 16.7 22.5 26.3 24.5 21.5 14.2 ****** ****** ****** 1991 ****** ****** ****** ****** 15.9 22.3 25.9 26.3 21.1 14.6 8.5 -1.8 ****** 1992 -5.8 -3.7 -2.1 9.0 12.9 19.9 24.5 23.0 19.2 14.9 6.5 0.2 9.9 1993 -2.8 -2.1 3.4 10.2 14.6 21.2 25.2 24.2 21.6 13.9 5.2 0.6 11.3 1994 1.7 1.8 6.6 13.3 16.7 21.6 24.9 25.3 19.8 14.2 7.7 -2.2 12.6 1995 2.4 2.4 6.9 10.5 17.2 20.9 25.2 26.2 21.0 13.9 7.1 1.5 13.0 1996 -2.3 3.1 4.4 10.1 18.2 21.5 26.6 26.2 22.1 14.2 7.6 5.9 13.1 1997 -0.3 -4.8 0.3 10.1 17.1 22.1 25.1 26.1 20.3 15.9 7.5 3.4 11.9 1998 -3.3 -1.6 5.1 12.4 17.0 24.1 26.0 27.3 22.1 15.7 12.2 7.1 13.7 1999 0.9 4.0 6.3 12.7 18.7 24.2 26.0 28.2 21.9 16.6 7.7 4.5 14.3 2000 -1.1 -0.2 5.1 14.2 18.5 23.6 29.0 27.2 22.1 13.7 6.9 2.9 13.5 MEAN -3.0 -0.5 4.3 11.1 16.1 21.7 25.4 25.5 21.5 14.7 7.1 1.5 12.1 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 26 STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 MET. AVERAGE OF DEW POINT TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1972 ****** ****** ****** ****** ****** ****** ****** ****** 3.7 -0.7 0.1 -7.6 ****** 1973 -9.2 -4.8 0.9 3.4 3.8 3.5 ****** ****** ****** ****** ****** ****** ****** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1975 ****** ****** ****** ****** ****** ****** ****** 9.8 8.4 5.7 0.3 -5.5 ****** 1976 -6.3 -5.6 -2.2 3.0 7.9 10.4 10.5 15.9 5.9 2.5 -0.6 -0.4 3.4 1977 -9.2 -3.5 0.1 4.6 6.7 7.0 9.6 11.8 10.4 3.2 -0.3 -4.7 3.0 1978 -2.0 -0.7 1.1 2.4 8.7 13.9 17.8 9.2 3.9 5.1 -1.2 ****** ****** 1979 -9.5 -3.6 0.1 4.5 6.7 10.4 7.0 12.1 10.4 2.6 ****** ****** ****** 1980 -8.1 -2.3 0.7 3.9 5.3 12.5 16.9 17.0 ****** ****** ****** ****** ****** 1981 ****** ****** -2.3 2.8 8.8 10.2 ****** ****** 10.4 3.7 ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 ****** ****** ****** ****** 6.2 6.7 9.7 7.7 0.1 ****** 2.6 ****** ****** 1987 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1988 ****** ****** ****** 6.8 7.8 10.7 14.6 13.1 5.1 4.3 -2.2 -3.7 ****** 1989 -12.9 -12.7 -1.6 0.9 3.4 4.1 10.6 10.3 8.5 1.7 2.9 -3.7 0.9 1990 -8.2 -5.6 -2.9 0.5 3.2 5.3 8.3 5.6 0.1 3.0 ****** ****** ****** 1991 ****** ****** ****** ****** 4.5 7.3 8.1 7.4 2.7 4.3 1.2 -5.1 ****** 1992 -10.1 -7.2 -7.1 0.7 6.5 7.2 7.3 8.3 2.8 1.4 1.2 -4.8 0.5 1993 -6.4 -6.9 -4.1 1.4 5.0 5.7 8.5 7.3 1.5 1.8 -1.2 -3.8 0.7 1994 -5.1 -4.9 -1.0 2.8 4.1 6.0 9.1 6.1 3.9 4.3 1.0 -8.5 1.5 1995 -4.2 -3.9 -2.1 1.4 5.3 8.1 7.9 6.2 3.9 0.9 -2.5 -5.5 1.3 1996 -6.6 -3.5 -2.0 0.0 5.2 4.7 8.8 4.5 3.6 3.2 -1.6 -0.8 1.3 1997 -6.9 -9.9 -4.6 -0.1 4.7 6.8 6.3 6.9 5.7 5.8 2.8 -2.1 1.3 1998 -6.5 -7.0 -0.9 3.0 6.2 7.2 9.1 6.5 2.8 0.2 1.2 -2.0 1.7 1999 -3.0 -3.5 -1.8 0.4 2.0 4.6 6.7 5.0 3.4 1.3 -1.5 -2.9 0.9 2000 -7.2 -8.5 -5.3 1.7 2.8 2.5 4.5 2.5 1.0 1.7 -0.6 -1.9 -0.6 MEAN -7.1 -5.5 -1.9 2.3 5.5 7.4 9.5 8.7 4.7 2.8 0.1 -3.9 1.9 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 27 STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 MET. AVERAGE OF MIXING RATIO IN G/KG YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1972 ****** ****** ****** ****** ****** ****** ****** ****** 6.01 4.33 4.61 2.70 ****** 1973 2.37 3.32 4.86 5.94 6.11 6.12 ****** ****** ****** ****** ****** ****** ****** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1975 ****** ****** ****** ****** ****** ****** ****** 9.18 8.29 6.98 4.84 3.06 ****** 1976 2.83 2.96 3.89 5.58 7.89 9.35 9.41 13.97 7.07 5.46 4.36 4.40 6.43 1977 2.42 3.62 4.64 6.38 7.31 7.47 8.93 10.22 9.42 6.08 4.45 3.45 6.20 1978 4.10 4.37 4.98 5.37 8.49 12.20 16.69 8.62 5.99 6.45 4.29 ****** ****** 1979 2.37 3.59 4.62 6.33 7.29 9.35 7.48 10.58 9.41 5.47 ****** ****** ****** 1980 2.58 3.83 4.88 6.02 6.72 11.09 14.64 14.98 ****** ****** ****** ****** ****** 1981 ****** ****** 3.88 5.92 8.76 9.29 ****** ****** 9.40 6.25 ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 ****** ****** ****** ****** 7.06 7.37 8.97 7.96 4.63 ****** 5.50 ****** ****** 1987 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1988 ****** ****** ****** 7.36 7.87 9.49 12.33 11.30 6.58 6.13 4.03 3.64 ****** 1989 1.80 1.81 4.04 4.83 5.75 6.12 9.89 9.71 8.38 5.26 5.64 3.46 5.56 1990 2.54 3.04 3.75 4.69 5.83 6.63 8.12 6.82 4.59 5.63 ****** ****** ****** 1991 ****** ****** ****** ****** 6.25 7.58 8.07 7.85 5.59 6.19 4.97 3.24 ****** 1992 2.35 2.77 2.83 4.76 7.20 7.57 7.70 8.24 5.54 5.03 5.43 3.37 5.23 1993 2.89 2.86 3.38 5.01 6.58 6.83 8.21 7.66 5.18 5.19 4.37 3.43 5.13 1994 3.15 3.26 4.21 5.62 6.13 7.00 8.59 7.24 6.25 6.27 4.92 2.60 5.44 1995 3.36 3.43 3.95 5.10 6.68 7.99 8.12 7.39 6.00 4.81 3.92 3.03 5.31 1996 2.88 3.55 3.93 4.59 6.61 6.44 8.44 6.31 5.90 5.76 4.10 4.30 5.23 1997 2.87 2.44 3.33 4.56 6.34 7.39 7.32 7.51 6.82 6.79 5.52 3.94 5.40 1998 2.88 2.80 4.31 5.62 7.06 7.53 8.63 7.27 5.61 4.61 4.98 3.96 5.44 1999 3.64 3.53 3.98 4.67 5.32 6.32 7.36 6.60 5.77 4.99 4.09 3.70 5.00 2000 2.77 2.49 3.19 5.17 5.49 5.49 6.43 5.67 5.00 5.15 4.38 3.94 4.60 MEAN 2.81 3.16 4.04 5.45 6.80 7.84 9.23 8.75 6.54 5.64 4.69 3.51 5.70 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 28 STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 MET. AVERAGE OF VAPOUR PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1972 ****** ****** ****** ****** ****** ****** ****** ****** 8.31 5.99 6.33 3.69 ****** 1973 3.25 4.55 6.67 8.15 8.42 8.44 ****** ****** ****** ****** ****** ****** ****** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1975 ****** ****** ****** ****** ****** ****** ****** 12.62 11.41 9.58 6.65 4.19 ****** 1976 3.88 4.06 5.34 7.67 10.84 12.86 12.94 19.06 9.75 7.51 5.99 6.04 8.83 1977 3.31 4.97 6.37 8.77 10.05 10.30 12.30 14.06 12.96 8.35 6.12 4.73 8.52 1978 5.62 6.00 6.84 7.39 11.65 16.65 22.61 11.88 8.29 8.89 5.88 ****** ****** 1979 3.25 4.93 6.34 8.69 10.02 12.86 10.31 14.54 12.94 7.53 ****** ****** ****** 1980 3.54 5.25 6.69 8.27 9.24 15.18 19.99 20.43 ****** ****** ****** ****** ****** 1981 ****** ****** 5.32 8.12 11.99 12.77 ****** ****** 12.92 8.58 ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 ****** ****** ****** ****** 9.70 10.15 12.36 10.98 6.42 ****** 7.54 ****** ****** 1987 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1988 ****** ****** ****** 10.10 10.81 13.04 16.88 15.49 9.08 8.43 5.55 5.00 ****** 1989 2.47 2.48 5.55 6.66 7.93 8.45 13.60 13.35 11.53 7.24 7.75 4.75 7.65 1990 3.48 4.17 5.16 6.46 8.03 9.16 11.20 9.42 6.35 7.75 ****** ****** ****** 1991 ****** ****** ****** ****** 8.61 10.45 11.14 10.83 7.73 8.51 6.83 4.45 ****** 1992 3.22 3.79 3.88 6.55 9.88 10.42 10.61 11.34 7.65 6.93 7.44 4.62 7.19 1993 3.97 3.92 4.65 6.89 9.05 9.42 11.32 10.56 7.16 7.15 6.00 4.70 7.06 1994 4.32 4.47 5.78 7.73 8.45 9.65 11.84 9.99 8.61 8.63 6.76 3.57 7.48 1995 4.61 4.72 5.43 7.01 9.19 11.00 11.20 10.20 8.28 6.64 5.39 4.16 7.32 1996 3.95 4.88 5.40 6.31 9.10 8.89 11.65 8.73 8.14 7.93 5.64 5.91 7.21 1997 3.94 3.35 4.57 6.28 8.74 10.19 10.10 10.37 9.40 9.34 7.58 5.41 7.44 1998 3.95 3.85 5.92 7.73 9.72 10.39 11.89 10.05 7.75 6.36 6.86 5.45 7.49 1999 4.99 4.86 5.48 6.43 7.34 8.74 10.17 9.14 7.98 6.88 5.63 5.08 6.89 2000 3.81 3.42 4.38 7.12 7.58 7.59 8.91 7.86 6.91 7.09 6.02 5.41 6.34 MEAN 3.86 4.33 5.54 7.49 9.35 10.79 12.69 12.05 9.03 7.77 6.44 4.82 7.85 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 29 STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 MET. AVERAGE OF SATURATION DEFICIT PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1972 ****** ****** ****** ****** ****** ****** ****** ****** 21.10 17.19 4.01 0.96 ****** 1973 0.66 1.16 2.67 5.23 11.48 20.85 ****** ****** ****** ****** ****** ****** ****** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1975 ****** ****** ****** ****** ****** ****** ****** 18.69 17.57 7.45 3.63 1.38 ****** 1976 1.12 1.00 1.11 4.86 6.97 14.70 18.34 13.25 15.89 8.39 4.51 2.98 7.76 1977 0.67 2.07 3.80 4.61 7.61 16.27 19.67 20.62 14.94 7.31 4.48 1.46 8.63 1978 0.93 2.01 3.36 6.32 8.10 5.57 10.19 22.53 21.66 12.24 2.21 ****** ****** 1979 0.73 2.19 3.90 4.64 7.66 14.53 16.22 20.35 14.98 8.34 ****** ****** ****** 1980 0.68 0.81 1.97 4.07 8.41 9.56 14.93 13.49 ****** ****** ****** ****** ****** 1981 ****** ****** 1.11 4.25 4.27 14.78 ****** ****** 14.97 6.86 ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 ****** ****** ****** ****** 7.45 14.49 23.91 23.34 22.44 ****** 1.81 ****** ****** 1987 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1988 ****** ****** ****** 4.58 9.60 13.17 15.17 14.86 17.09 8.86 4.29 2.60 ****** 1989 1.01 1.50 3.85 10.77 13.64 21.62 25.86 21.43 14.47 11.88 3.54 2.96 11.04 1990 1.26 1.70 4.07 6.42 12.22 19.61 24.93 23.43 21.59 9.51 ****** ****** ****** 1991 ****** ****** ****** ****** 10.33 18.13 24.06 25.82 19.27 8.92 4.69 1.17 ****** 1992 1.01 1.09 1.84 5.41 5.52 13.88 22.13 18.08 16.42 11.15 3.00 1.86 8.45 1993 1.35 1.68 3.67 6.21 8.28 17.02 22.53 21.19 20.52 9.54 3.30 1.83 9.76 1994 2.78 2.68 4.37 8.59 11.90 17.61 21.22 24.02 15.53 8.24 4.08 1.93 10.25 1995 2.82 2.80 5.00 6.15 11.34 14.99 22.81 26.36 18.37 10.23 5.54 2.89 10.77 1996 1.48 3.04 3.15 6.58 12.76 18.05 24.78 27.38 19.99 9.29 5.24 3.57 11.28 1997 2.63 1.42 1.94 7.28 11.81 17.89 23.67 25.70 15.77 9.70 3.04 2.63 10.29 1998 1.03 1.87 3.24 7.62 10.85 21.36 23.16 28.30 20.40 12.67 7.82 5.11 11.95 1999 1.65 3.60 4.45 9.06 15.75 22.67 24.97 30.85 19.55 13.20 5.45 3.59 12.90 2000 2.24 2.92 4.93 9.73 14.63 23.24 32.99 30.09 21.16 9.39 4.20 2.24 13.15 MEAN 1.41 1.97 3.25 6.44 10.03 16.67 21.66 22.49 18.27 10.02 4.16 2.45 9.90 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 30 STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 MET. AVERAGE OF RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1972 *** *** *** *** *** *** *** *** 30 30 64 80 *** 1973 82 81 75 62 46 34 *** *** *** *** *** *** *** 1974 *** *** *** *** *** *** *** *** *** *** *** *** *** 1975 *** *** *** *** *** *** *** 44 43 59 67 76 *** 1976 78 80 82 63 65 50 46 60 42 54 61 71 63 1977 81 74 66 67 62 44 42 44 50 57 63 77 61 1978 86 77 69 57 63 77 71 40 32 48 79 *** *** 1979 80 73 65 67 62 51 44 45 49 54 *** *** *** 1980 82 87 80 70 56 62 58 60 *** *** *** *** *** 1981 *** *** 82 65 73 50 *** *** 49 58 *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** *** *** *** 63 48 40 38 29 *** 84 *** *** 1987 *** *** *** *** *** *** *** *** *** *** *** *** *** 1988 *** *** *** 72 58 56 59 56 41 55 60 71 *** 1989 73 67 63 43 43 36 38 44 51 45 71 65 53 1990 74 73 60 58 45 37 36 33 26 52 *** *** *** 1991 *** *** *** *** 51 42 36 35 35 56 63 80 *** 1992 75 78 71 60 69 49 39 44 39 46 73 72 60 1993 77 72 63 59 58 41 38 38 31 49 67 74 56 1994 63 64 62 54 48 42 41 34 40 57 66 66 53 1995 64 66 57 59 49 48 38 33 38 45 55 62 51 1996 74 65 66 54 48 37 36 29 35 52 56 65 51 1997 64 70 72 54 49 42 35 34 42 55 74 70 55 1998 81 69 68 57 54 38 38 31 32 39 52 56 51 1999 77 62 60 48 38 31 33 26 34 40 55 62 47 2000 67 58 52 47 39 29 25 24 29 49 63 73 46 MEAN 75 72 67 59 54 45 42 40 38 50 65 70 56 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 31 STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 MET. AVERAGE OF MAXIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1972 *** *** *** *** *** *** *** *** 43 43 80 86 *** 1973 87 88 88 71 61 55 *** *** *** *** *** *** *** 1974 *** *** *** *** *** *** *** *** *** *** *** *** *** 1975 *** *** *** *** *** *** *** 65 59 74 81 87 *** 1976 87 86 88 75 81 68 69 72 59 73 75 85 77 1977 90 86 82 77 81 66 57 58 64 70 79 86 75 1978 92 89 80 70 76 84 79 60 49 67 89 *** *** 1979 87 84 80 77 81 68 66 60 63 73 *** *** *** 1980 89 93 88 80 72 68 63 64 *** *** *** *** *** 1981 *** *** 88 72 78 68 *** *** 64 69 *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** *** *** *** 87 74 63 60 52 *** 94 *** *** 1987 *** *** *** *** *** *** *** *** *** *** *** *** *** 1988 *** *** *** 92 84 85 84 80 65 73 77 84 *** 1989 80 76 79 62 66 62 55 64 71 60 87 81 70 1990 82 82 79 78 68 58 53 50 39 72 *** *** *** 1991 *** *** *** *** 74 64 55 54 59 79 82 90 *** 1992 85 87 83 79 85 73 64 65 62 70 89 82 77 1993 84 80 78 76 76 65 58 60 51 69 79 83 72 1994 75 78 79 77 71 61 61 51 61 80 80 77 71 1995 75 82 78 79 70 70 59 54 59 69 75 79 71 1996 82 79 82 74 70 57 53 46 53 71 77 77 68 1997 76 84 86 73 71 64 56 53 61 74 88 84 73 1998 91 81 83 78 78 56 54 47 49 57 69 71 68 1999 88 81 78 68 61 47 49 42 51 56 73 77 64 2000 81 75 69 66 59 47 40 39 47 67 79 86 63 MEAN 84 83 82 75 74 65 60 57 56 68 81 82 72 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 32 STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 MET. AVERAGE OF MINIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1972 *** *** *** *** *** *** *** *** 20 19 49 74 *** 1973 76 74 60 51 35 19 *** *** *** *** *** *** *** 1974 *** *** *** *** *** *** *** *** *** *** *** *** *** 1975 *** *** *** *** *** *** *** 30 29 46 52 65 *** 1976 68 75 77 52 49 37 29 50 29 41 48 59 51 1977 72 64 51 58 48 30 32 35 41 47 47 68 49 1978 80 64 59 45 52 70 66 28 23 37 70 *** *** 1979 70 61 51 58 48 37 30 35 40 41 *** *** *** 1980 73 80 70 58 44 56 53 56 *** *** *** *** *** 1981 *** *** 77 57 69 37 *** *** 40 49 *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** *** *** *** 44 31 25 24 14 *** 74 *** *** 1987 *** *** *** *** *** *** *** *** *** *** *** *** *** 1988 *** *** *** 57 41 38 42 40 26 42 46 61 *** 1989 65 58 51 30 29 19 26 30 37 34 58 53 41 1990 66 64 46 43 30 23 24 21 18 38 *** *** *** 1991 *** *** *** *** 35 27 23 22 20 40 49 69 *** 1992 64 68 60 46 58 33 23 30 25 29 60 63 47 1993 71 63 51 46 43 27 25 24 18 35 55 64 44 1994 54 51 50 38 30 28 26 20 28 41 54 53 39 1995 54 54 41 43 35 34 23 18 25 30 41 50 37 1996 65 53 53 37 33 25 24 18 22 38 41 54 39 1997 52 60 59 40 33 26 22 20 31 42 64 58 42 1998 70 58 54 42 37 25 26 19 21 28 39 44 39 1999 68 48 45 34 22 20 21 16 22 29 42 49 35 2000 54 46 39 32 26 18 15 14 17 37 51 61 34 MEAN 66 61 55 46 40 31 29 28 26 37 52 59 44 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 33 STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 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 1972 *** *** *** *** *** *** *** *** 0 1 3 0 *** 1973 4 0 0 4 4 0 *** *** *** *** *** *** *** 1974 *** *** *** *** *** *** *** *** *** *** *** *** *** 1975 *** *** *** *** *** *** *** 0 0 0 1 3 *** 1976 6 4 2 3 0 0 0 0 0 2 2 1 20 1977 3 1 6 3 5 0 0 1 0 4 0 6 29 1978 2 1 2 0 4 2 0 0 0 0 4 *** *** 1979 0 3 6 5 5 0 0 1 0 3 *** *** *** 1980 6 3 1 0 0 0 0 0 *** *** *** *** *** 1981 *** *** 0 0 2 0 *** *** 0 4 *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** 4 5 8 4 0 0 0 0 *** 9 7 *** 1987 3 8 12 3 2 0 0 0 0 11 2 13 54 1988 9 5 8 7 1 0 0 2 0 3 8 6 49 1989 3 2 6 0 0 0 0 0 0 4 4 3 22 1990 5 7 5 6 0 0 0 0 0 4 2 4 33 1991 4 5 7 3 1 0 0 0 0 3 3 10 36 1992 7 11 6 5 14 1 0 0 0 0 8 7 59 1993 3 7 5 6 5 0 0 0 0 3 8 5 42 1994 9 5 7 5 2 1 0 0 2 6 9 5 51 1995 1 5 2 9 2 2 0 0 1 0 5 0 27 1996 9 4 6 7 2 0 0 0 0 3 2 4 37 1997 5 8 9 6 3 1 0 0 0 0 8 2 42 1998 6 4 7 5 3 1 0 0 0 0 2 3 31 1999 4 5 4 2 0 0 0 0 0 2 3 3 23 2000 7 4 6 5 0 0 0 0 0 4 3 6 35 MEAN 5 5 5 4 3 0 0 0 0 3 4 5 34 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 34 STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 MET. HIGHEST AND LOWEST LIMITS FOR 29 YEARS DURING 1972-2000 ELE- JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MENT --------------------------------------------------------------------------------------------- NO. HIG. DRY 03 8.6 8.0 12.2 18.4 21.6 24.0 27.0 25.2 26.4 20.2 15.0 14.4 1 YEAR - DAY 1997- 6 1989-28 1994-31 2000-14 1999-31 1998-24 2000-22 2000-25 1996- 3 1989- 7 1990- 8 1998-10 LOW. DRY 03 -25.0 -21.6 -19.0 -5.6 -2.2 6.2 10.0 8.8 5.0 -2.8 -15.0 -21.0 2 YEAR - DAY 1989- 9 1997- 1 1992- 2 1997-11 1981- 1 1978- 4 1979- 4 1989-16 1989-21 1977-24 1992-27 1988-29 HIG. WET 03 4.0 4.6 8.0 11.6 14.0 16.2 20.2 20.2 16.4 12.2 10.0 9.4 3 YEAR - DAY 1978- 3 1993-28 1998-29 1992-13 1988-14 1978-21 1978-21 1975- 8 1975-22 1989- 2 1989-29 1998-10 LOW. WET 03 -25.0 -21.8 -19.1 -5.8 -2.4 4.4 7.0 4.8 2.6 -3.0 -15.1 -21.0 4 YEAR - DAY 1989- 9 1997- 1 1992- 2 1997-11 1981- 1 1978- 4 1977- 4 1990-25 1990-18 1977-24 1992-27 1988-29 HIG. DRY 09 13.2 15.8 18.4 25.4 30.0 33.6 36.0 37.0 34.6 28.0 21.0 18.6 5 YEAR - DAY 1987-31 1977-27 1991-30 1997-26 1994-28 1998-23 2000-29 1991- 5 1998- 1 1972- 2 1990- 3 1998-10 LOW. DRY 09 -13.2 -14.0 -8.2 -2.6 0.8 10.6 20.4 16.8 13.0 0.8 -8.4 -13.2 6 YEAR - DAY 1989- 5 1997- 1 1992- 1 1997-10 1981- 1 1994-28 1979- 3 1992-11 1992-27 1977-22 1992-27 1988-29 HIG. WET 09 7.2 10.2 11.4 17.6 22.8 26.0 31.2 30.6 21.2 20.6 13.6 10.2 7 YEAR - DAY 1978-21 1978- 8 1977-31 1981-25 1978-30 1978-17 1978-20 1979-23 1989- 6 1977- 3 1992-13 1976-16 LOW. WET 09 -14.4 -14.4 -9.4 -2.6 0.0 8.6 12.2 11.6 9.0 0.0 -8.5 -13.8 8 YEAR - DAY 1997-29 1997- 1 1992- 1 1997-10 1981- 1 1994-28 1991- 7 2000-31 1992-28 1977-22 1992-27 1988-29 HIG. DRY 15 10.6 13.2 18.4 26.2 29.4 34.0 37.0 37.0 32.0 28.0 18.6 16.8 9 YEAR - DAY 1987-17 1977-28 1991-29 1997-25 1999-29 1998-22 1991-31 1991- 1 1991- 1 1972- 3 1990- 3 1998-10 LOW. DRY 15 -17.0 -18.4 -9.6 -3.0 -3.2 9.0 17.8 16.2 11.4 0.8 -7.2 -16.8 10 YEAR - DAY 1989- 8 1997- 6 1992- 1 1981- 1 1981- 1 1978- 3 1979- 1 1988- 4 1995-20 1977-22 1992-27 1972-27 HIG. WET 15 6.4 8.6 10.4 16.0 20.0 24.2 30.0 28.0 20.6 18.0 13.6 9.6 11 YEAR - DAY 1994- 2 1977-27 1991-29 1973-17 1978-29 1978-17 1978-20 1976- 6 1975-11 1977- 3 1992- 5 1998- 9 LOW. WET 15 -17.0 -19.0 -10.3 -4.8 -4.4 7.4 10.2 11.4 8.6 -2.0 -7.6 -16.8 12 YEAR - DAY 1989- 8 1997- 6 1992- 1 1981- 1 1981- 1 1978- 4 1979-14 2000-30 1992-27 1977-22 1992-27 1972-27 HIG. MIN. 6.4 7.0 8.2 18.0 20.0 22.4 26.0 24.0 20.2 19.0 13.8 12.4 13 YEAR - DAY 1994- 3 2000-24 1989-26 1990-28 1996-25 1990-27 2000-22 1991- 1 1996- 8 1989- 7 1998- 9 1998-10 LOW. MIN. -28.6 -25.0 -20.0 -6.0 -4.0 5.0 8.0 4.0 5.0 -4.0 -17.0 -22.0 14 YEAR - DAY 1989- 5 1989-15 1992- 2 1981- 1 1981- 1 1986-22 1979- 4 1975-20 1975-25 1977-24 1992-27 1988-29 HIG. MAX. 17.4 17.0 21.0 28.0 32.0 36.0 39.0 39.0 36.4 30.4 22.0 19.4 15 YEAR - DAY 2000- 2 1977-27 1991-30 1997-25 1999-30 1991-30 1989-21 1991- 1 1998- 1 1999- 1 1990- 3 1998-10 LOW. MAX. -10.0 -9.4 -4.6 0.0 1.5 14.0 22.0 21.2 17.0 5.5 -3.6 -8.0 16 YEAR - DAY 1989- 8 1997- 1 1992- 1 1981- 1 1981- 1 1978- 3 1979- 3 1992-28 1989-19 1977-22 1992-27 1972-26 HIG. PPTN 89.0 64.0 58.0 45.0 50.0 34.0 4.0 9.0 11.0 51.0 85.0 74.0 17 YEAR - DAY 1992-16 1992- 7 1998-17 1993- 8 1993-13 1978- 4 1999-15 1988- 4 1994- 8 1993-28 1991- 4 1991- 9 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 35 STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 MET. HIGHEST LIMITS OF ABSOLUTE DIFFERENCES FOR 29 YEARS DURING 1972-2000 ELE- JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MENT --------------------------------------------------------------------------------------------- NO. DRY 09 - DRY 03 20.2 18.2 16.4 18.0 21.6 19.0 18.0 22.0 22.6 17.6 16.2 15.0 18 YEAR - DAY 2000-18 1977-27 1978-29 1991-20 1980-25 1989-15 1986-10 1989-15 1991- 1 1990- 4 1976- 3 1998-20 DRY 15 - DRY 09 10.4 9.0 9.4 10.2 10.4 12.2 6.2 8.8 10.4 9.0 9.0 9.0 19 YEAR - DAY 1989-25 1997- 2 1990- 6 1980-30 1980-26 1979-13 1980- 7 1979-26 1996-21 1988-25 1998-10 1977-25 DRY 15 - DRY 03 20.2 16.4 15.0 17.2 17.4 20.8 21.0 24.0 21.8 17.2 14.4 11.8 20 YEAR - DAY 2000-18 1997- 2 1990-23 1991-20 1973-26 1989-15 1997-27 1989-16 1991- 1 1975-31 1992- 5 1998-25 WET 09 - WET 03 16.0 13.2 13.2 12.2 14.6 14.0 15.4 19.6 13.9 11.6 12.0 10.8 21 YEAR - DAY 2000-18 1973-10 1978-29 1981-23 1980-25 1980-17 1978-11 1979-23 1976- 7 1977- 2 1977- 8 1977-26 WET 15 - WET 09 9.8 9.8 7.0 8.2 8.2 9.0 5.8 10.8 8.0 6.6 6.8 8.4 22 YEAR - DAY 1978-11 1978- 8 1978-27 1980-21 1980-17 1978-20 1980- 1 1979-23 1988- 9 1975- 3 1978- 3 1977-25 WET 15 - WET 03 15.4 13.0 11.9 11.4 11.5 11.0 14.0 15.8 12.2 10.7 12.2 9.9 23 YEAR - DAY 2000-18 1992-18 1992-12 1973-16 1986- 1 1978-18 1978-12 1995-19 1989- 5 1975-31 1992- 5 1991-30 DAY BY DAY DRY 03 18.2 18.2 19.4 14.0 12.2 12.4 9.0 8.8 12.4 10.8 14.6 15.8 24 YEAR - DAY 1989- 3 1997- 1 1992-14 1993-21 1999-21 1990-28 1991- 8 1990-26 1996- 4 1992-27 1993-14 1991-30 DAY BY DAY WET 03 16.6 18.2 17.2 8.8 8.0 7.0 7.8 8.2 7.4 7.6 11.8 13.9 25 YEAR - DAY 2000-19 1997- 1 1992-14 1993-21 1993-15 1992- 3 1989- 8 1990-26 1975-23 1992- 8 1993-14 1991-30 DAY BY DAY DRY 09 12.2 13.4 12.4 13.6 16.8 11.2 8.6 9.0 9.6 19.0 12.2 11.8 26 YEAR - DAY 1997-30 1987- 4 1999-11 1993-20 1999-20 1994-28 1988-26 1975-23 1995-20 1987- 5 1999-11 1986- 6 DAY BY DAY WET 09 11.4 10.2 9.3 8.2 10.4 6.2 11.8 10.2 6.6 11.3 8.4 11.0 27 YEAR - DAY 1979-18 1997- 3 1992-14 1981-30 1978-31 1994-28 1989- 7 1979-23 1988-10 1987- 5 1975-28 1977-31 DAY BY DAY DRY 15 12.0 10.4 11.6 12.6 15.8 11.8 10.4 11.6 11.8 12.2 9.8 11.8 28 YEAR - DAY 2000-18 1997- 2 1990-16 1993-20 1999-20 1997- 7 1998-28 1988- 4 1994- 8 1987- 5 1999-11 1977-31 DAY BY DAY WET 15 10.0 9.6 8.2 8.6 12.0 9.4 13.0 11.8 5.8 9.2 9.2 11.8 29 YEAR - DAY 1973-17 1997- 5 1990-16 1981- 1 1981- 2 1978-20 1989- 7 1976- 6 1975-24 1977-22 1978- 4 1977-31 DAY BY DAY MIN. 18.2 15.0 11.6 12.6 12.0 14.2 8.3 7.4 10.6 11.4 12.0 14.0 30 YEAR - DAY 1989-20 1992-29 1992-14 1999-20 1991- 3 1990-28 1988-16 1993- 8 1993-25 1992-27 1992-29 1991-30 DAY BY DAY MAX. 11.0 11.4 10.6 10.4 10.5 9.5 9.4 8.5 8.0 16.8 9.0 10.6 31 YEAR - DAY 1989- 3 1987- 4 1990-17 1986-26 1978-31 1978- 3 1988-26 1975-17 1978-29 1987- 5 1975- 1 1986- 6 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 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.***** ***** ***** ***** ***** ***** ***** ***** 20.7 17.9 6.4 -4.3 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** 12.6 9.9 0.9 -7.5 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** 28.7 25.9 12.0 -1.1 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** ***** ***** ***** ***** ***** ***** 16.1 16.0 11.1 6.4 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** ***** ***** ***** ***** ***** ***** 5.91 4.52 4.34 2.45 ***** MEAN OF MIXING RATIO AT 09 GMT. ***** ***** ***** ***** ***** ***** ***** ***** 5.12 4.18 4.76 2.76 ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** ***** ***** ***** ***** ***** ***** 7.00 4.29 4.72 2.83 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** 10.0 5.5 -2.5 -19.5 ****** DAY ** ** ** ** ** ** ** ** 25 22 11 28 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** 33.5 30.0 16.5 6.5 ****** DAY ** ** ** ** ** ** ** ** 3 1 26 2 24 HOUR MAXIMUM PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** 1.0 30.0 22.0 1.5 ****** DAY ** ** ** ** ** ** ** ** 8 29 4 25 MONTHLY TOTAL PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** 1.0 32.0 50.5 2.7 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION ***** ***** 1.2 98.8 NO. OF DAYS WITH PRECIPITATION. *** *** *** *** *** *** *** *** 1 2 7 3 *** NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** 1 2 4 1 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** 0 1 3 0 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** *** *** *** *** *** *** 42 43 76 83 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** *** *** *** *** *** *** *** 21 21 51 76 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** *** *** *** *** *** *** 28 25 65 82 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** 0 0 0 22 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** 0 0 0 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** 0 0 0 21 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** 9 2 0 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** 0 0 0 0 *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** 0 0 0 0 *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. *** *** *** *** *** *** *** *** 0 0 15 28 *** DATE OF START AND END FREEZING START = 7 NOV. END = 31 DEC. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 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. -6.5 -2.2 4.7 10.3 15.0 20.6 ***** ***** ***** ***** ***** ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -11.8 -6.8 -0.7 5.7 8.3 12.8 ***** ***** ***** ***** ***** ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. -1.2 2.4 10.1 14.9 21.7 28.4 ***** ***** ***** ***** ***** ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.6 9.2 10.8 9.2 13.4 15.6 ***** ***** ***** ***** ***** ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.82 2.44 4.40 4.75 5.45 7.44 ***** ***** ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 09 GMT. 2.95 3.75 4.60 6.72 6.64 5.67 ***** ***** ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 15 GMT. 2.35 3.78 5.58 6.33 6.25 5.24 ***** ***** ***** ***** ***** ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -22.0 -14.5 -3.5 3.0 4.0 9.0 ***** ***** ***** ***** ***** ***** ****** DAY 11 11 9 11 3 5 ** ** ** ** ** ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 2.5 8.8 15.0 21.0 29.5 34.0 ***** ***** ***** ***** ***** ***** ****** DAY 16 17 25 29 28 22 ** ** ** ** ** ** 24 HOUR MAXIMUM PRECIPITATION IN MM. 35.0 0.7 3.0 26.0 26.0 0.0 ***** ***** ***** ***** ***** ***** ****** DAY 14 1 27 9 6 ** ** ** ** ** ** ** MONTHLY TOTAL PRECIPITATION IN MM. 64.0 2.4 8.6 72.4 74.7 0.0 ***** ***** ***** ***** ***** ***** ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 33.8 66.2 ***** ***** NO. OF DAYS WITH PRECIPITATION. 4 4 5 5 5 0 *** *** *** *** *** *** *** NO. OF DAYS PRECIPITATION EQUAL 4 0 4 5 4 0 *** *** *** *** *** *** *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 0 0 3 4 0 *** *** *** *** *** *** *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 82 84 86 64 59 55 *** *** *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 85 77 61 60 42 24 *** *** *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 79 82 77 60 38 22 *** *** *** *** *** *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 30 22 0 0 0 0 *** *** *** *** *** *** *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 *** *** *** *** *** *** *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 22 12 0 0 0 0 *** *** *** *** *** *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 11 *** *** *** *** *** *** *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 *** *** *** *** *** *** *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 *** *** *** *** *** *** *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. 31 28 23 0 0 0 *** *** *** *** *** *** *** DATE OF START AND END FREEZING START = 1 JAN. END = 31 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 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.***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 09 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 24 HOUR MAXIMUM PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MONTHLY TOTAL PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION ***** ***** ***** ***** NO. OF DAYS WITH PRECIPITATION. *** *** *** *** *** *** *** *** *** *** *** *** *** NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. *** *** *** *** *** *** *** *** *** *** *** *** *** DATE OF START AND END FREEZING START = ** **** END = ** **** IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 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.***** ***** ***** ***** ***** ***** ***** 21.1 18.0 12.6 5.7 ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** 10.8 7.2 4.7 -0.5 -8.4 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** 31.4 28.7 20.5 11.9 ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** ***** ***** ***** ***** ***** 20.6 21.5 15.8 12.4 ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** ***** ***** ***** ***** ***** 9.17 7.67 5.64 3.91 3.06 ***** MEAN OF MIXING RATIO AT 09 GMT. ***** ***** ***** ***** ***** ***** ***** 9.32 8.96 7.56 5.53 2.91 ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** ***** ***** ***** ***** ***** 9.05 8.33 7.72 5.09 3.17 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** 4.0 5.0 0.5 -9.0 -12.0 ****** DAY ** ** ** ** ** ** ** 20 25 20 29 22 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** 36.5 35.0 26.0 15.5 ***** ****** DAY ** ** ** ** ** ** ** 23 6 2 3 ** 24 HOUR MAXIMUM PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** 0.0 0.0 0.0 11.0 10.0 ****** DAY ** ** ** ** ** ** ** ** ** ** 28 29 MONTHLY TOTAL PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** 0.0 0.0 0.0 15.0 31.0 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION ***** ***** 0.0 100.0 NO. OF DAYS WITH PRECIPITATION. *** *** *** *** *** *** *** 0 0 0 2 6 *** NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** 0 0 0 2 6 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** 0 0 0 1 1 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** *** *** *** *** *** 63 58 68 70 75 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** *** *** *** *** *** *** 35 37 50 68 74 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** *** *** *** *** *** 34 35 60 63 79 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** 0 0 0 3 31 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** 0 0 0 0 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** 0 0 0 0 *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** 26 8 0 0 *** *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** 0 0 0 0 *** *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** 0 0 0 0 *** *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. *** *** *** *** *** *** *** 0 0 0 16 31 *** DATE OF START AND END FREEZING START = 3 NOV. END = 31 DEC. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 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. -0.3 0.4 0.7 9.7 14.4 20.2 22.0 22.9 18.5 12.5 6.5 4.7 11.0 AVERAGE OF MINIMUM TEMPERATURE IN C. -6.3 -4.6 -1.9 5.3 7.7 12.8 13.4 14.3 9.5 5.6 0.2 0.1 4.7 AVERAGE OF MAXIMUM TEMPERATURE IN C. 5.8 5.3 3.2 14.2 21.0 27.5 30.7 31.5 27.6 19.3 12.9 9.3 17.4 DIFFERENCE BETWEEN AVERAGE MAXIMUM 12.1 9.9 5.1 8.9 13.3 14.7 17.3 17.2 18.1 13.7 12.7 9.2 12.7 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.91 2.90 3.81 5.39 7.54 9.10 9.45 9.84 5.63 5.19 3.77 3.98 5.79 MEAN OF MIXING RATIO AT 09 GMT. 2.51 3.04 4.05 5.71 7.99 10.17 9.82 16.58 9.13 5.89 4.81 4.73 7.04 MEAN OF MIXING RATIO AT 15 GMT. 3.08 2.95 3.82 5.65 8.16 8.79 8.95 15.49 6.45 5.29 4.49 4.46 6.47 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -14.0 -7.0 -6.0 1.5 5.0 8.5 11.0 12.5 7.0 1.0 -4.5 -3.5 -14.0 DAY 15 12 1 4 6 12 1 24 22 31 20 1 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 9.0 7.0 6.5 22.0 25.5 30.5 33.5 34.0 32.0 26.5 21.0 15.0 34.0 DAY 14 5 28 26 31 18 27 14 3 6 3 16 24 HOUR MAXIMUM PRECIPITATION IN MM. 25.0 14.8 6.4 7.0 4.4 0.0 0.0 0.0 0.0 8.0 12.0 17.0 25.0 DAY 30 29 6 14 11 ** ** ** ** 16 24 9 MONTHLY TOTAL PRECIPITATION IN MM. 89.0 34.8 11.6 43.8 22.0 0.0 0.0 0.0 0.0 18.0 20.0 17.0 256.2 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 52.8 25.7 0.0 21.5 NO. OF DAYS WITH PRECIPITATION. 6 4 2 11 6 0 0 0 0 3 2 1 35 NO. OF DAYS PRECIPITATION EQUAL 6 4 2 11 6 0 0 0 0 3 2 1 35 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 5 1 0 0 0 0 0 0 0 0 1 1 8 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 79 79 82 73 81 67 69 67 59 73 75 81 74 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 72 81 82 55 58 42 36 55 37 43 50 61 56 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 81 80 82 61 55 42 34 58 30 47 58 70 58 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 24 24 13 0 0 0 0 0 0 0 2 0 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 7 24 28 6 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 29 18 0 0 0 0 0 0 0 14 16 108 DATE OF START AND END FREEZING START = 14 NOV. END = 22 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 MET. MEAN AND EXTREMES FOR THE YEAR 1977 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. -6.3 0.6 6.3 10.3 14.2 19.6 22.9 24.2 20.6 11.9 7.0 -0.8 10.9 AVERAGE OF MINIMUM TEMPERATURE IN C. -11.0 -5.2 1.4 4.7 7.5 11.4 14.8 15.8 12.2 5.4 0.3 -4.7 4.4 AVERAGE OF MAXIMUM TEMPERATURE IN C. -1.7 6.4 11.2 15.9 21.0 27.9 31.0 32.6 28.9 18.4 13.6 3.0 17.4 DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.3 11.6 9.8 11.2 13.5 16.5 16.2 16.8 16.7 13.0 13.3 7.7 13.0 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.82 2.79 4.13 5.23 6.68 7.21 7.81 8.52 7.43 5.04 3.81 3.07 5.29 MEAN OF MIXING RATIO AT 09 GMT. 2.88 4.40 4.82 7.36 8.01 8.25 10.45 11.58 10.97 7.04 4.86 3.94 7.05 MEAN OF MIXING RATIO AT 15 GMT. 2.55 3.68 4.97 6.55 7.26 6.95 8.53 10.57 9.87 6.14 4.67 3.33 6.26 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -19.5 -11.5 -5.0 0.5 4.5 8.0 10.5 11.5 9.0 -4.0 -3.0 -16.0 -19.5 DAY 24 11 4 17 1 4 3 31 3 24 14 26 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 2.5 17.0 16.0 20.5 27.0 31.5 34.0 37.0 31.5 29.0 17.5 12.0 37.0 DAY 28 27 22 28 13 25 26 24 7 2 7 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 17.0 5.0 49.0 30.0 33.0 0.0 0.0 8.0 0.0 19.0 0.0 28.0 49.0 DAY 4 5 16 13 20 ** ** 7 ** 17 ** 13 MONTHLY TOTAL PRECIPITATION IN MM. 47.0 9.0 136.0 98.0 109.0 0.0 0.0 8.0 0.0 36.0 0.0 85.0 528.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 36.4 39.2 1.5 22.9 NO. OF DAYS WITH PRECIPITATION. 4 2 10 5 5 0 0 1 0 4 0 11 42 NO. OF DAYS PRECIPITATION EQUAL 4 2 10 5 5 0 0 1 0 4 0 11 42 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 3 0 5 3 4 0 0 0 0 1 0 3 19 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 78 80 76 76 81 66 56 58 64 68 77 78 72 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 84 71 55 60 51 34 36 37 42 51 49 78 54 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 83 72 66 65 55 33 33 37 43 51 62 77 56 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 29 16 1 0 0 0 0 0 0 1 0 13 60 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 22 3 0 0 0 0 0 0 0 0 0 9 34 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 3 26 26 9 0 0 0 64 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 31 27 11 0 0 0 0 0 0 5 15 26 115 DATE OF START AND END FREEZING START = 23 OCT. END = 20 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 MET. MEAN AND EXTREMES FOR THE YEAR 1978 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 0.2 3.2 6.1 10.9 15.0 17.6 23.0 24.2 20.8 15.7 2.3 ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -3.3 -2.1 -0.4 5.3 7.8 10.6 14.5 15.5 11.4 7.6 -2.3 ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 3.6 8.5 12.6 16.6 22.4 24.5 31.5 32.8 30.3 23.8 6.8 ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 6.9 10.6 13.0 11.4 14.6 13.9 17.0 17.3 18.9 16.2 9.1 ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.41 3.48 3.82 4.77 6.61 8.81 10.53 8.37 5.19 5.53 3.51 ***** ***** MEAN OF MIXING RATIO AT 09 GMT. 4.88 5.21 5.98 5.73 9.80 14.96 20.38 8.98 6.53 7.02 5.00 ***** ***** MEAN OF MIXING RATIO AT 15 GMT. 3.81 4.43 5.14 5.57 9.05 12.84 19.17 8.50 6.26 6.81 4.35 ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -18.0 -7.5 -3.5 -0.5 4.0 6.0 10.5 11.5 9.0 3.5 -7.0 ***** ****** DAY 16 12 8 1 3 4 1 21 27 31 28 ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 8.5 13.5 17.0 20.0 27.5 31.5 38.5 36.5 33.0 29.5 20.5 ***** ****** DAY 21 16 10 24 30 17 20 15 8 1 1 ** 24 HOUR MAXIMUM PRECIPITATION IN MM. 8.0 6.0 18.0 4.0 15.0 34.0 0.0 0.0 0.0 0.0 20.0 ***** ****** DAY 9 11 11 29 8 4 ** ** ** ** 12 ** MONTHLY TOTAL PRECIPITATION IN MM. 16.0 18.0 37.0 6.0 56.0 41.0 0.0 0.0 0.0 0.0 66.0 ***** ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 29.6 42.9 0.0 27.5 NO. OF DAYS WITH PRECIPITATION. 3 4 5 2 4 3 0 0 0 0 5 *** *** NO. OF DAYS PRECIPITATION EQUAL 3 4 5 2 4 3 0 0 0 0 5 *** *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 2 0 4 1 0 0 0 0 3 *** *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 85 81 77 65 74 82 78 60 49 67 85 *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 88 71 63 47 55 73 67 29 24 38 77 *** *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 85 79 69 59 58 74 69 29 24 39 76 *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 10 7 0 0 0 0 0 0 0 0 16 *** *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 1 0 0 0 *** *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 6 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 5 21 28 21 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. 19 23 20 1 0 0 0 0 0 0 20 *** *** DATE OF START AND END FREEZING START = 7 NOV. END = 1 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 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. -6.5 0.7 6.3 10.2 14.2 20.2 19.7 24.2 20.6 12.5 ***** ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -11.0 -5.1 1.3 4.7 7.5 12.8 11.4 15.8 12.2 5.6 ***** ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. -1.7 6.4 11.2 15.9 20.9 27.5 27.8 32.5 29.0 19.4 ***** ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.3 11.5 9.9 11.2 13.4 14.7 16.4 16.7 16.8 13.8 ***** ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.84 2.76 4.16 5.23 6.68 9.10 7.21 8.50 7.37 5.16 ***** ***** ***** MEAN OF MIXING RATIO AT 09 GMT. 2.85 4.37 4.77 7.36 8.01 10.18 8.29 12.60 10.90 5.94 ***** ***** ***** MEAN OF MIXING RATIO AT 15 GMT. 2.51 3.64 4.95 6.39 7.22 8.79 6.95 10.56 9.95 5.29 ***** ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -19.5 -11.5 -5.0 0.5 4.5 8.5 8.0 11.5 9.0 1.0 ***** ***** ****** DAY 24 11 4 17 1 12 4 31 3 31 ** ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 3.5 17.0 16.0 20.5 27.0 30.5 31.5 37.0 31.5 26.5 ***** ***** ****** DAY 1 27 22 29 13 18 25 24 7 6 ** ** 24 HOUR MAXIMUM PRECIPITATION IN MM. 0.0 6.0 49.0 40.0 33.0 0.0 0.0 6.0 0.0 8.0 ***** ***** ****** DAY ** 5 16 14 20 ** ** 7 ** 16 ** ** MONTHLY TOTAL PRECIPITATION IN MM. 0.0 17.0 136.0 114.0 109.0 0.0 0.0 6.0 0.0 24.0 ***** ***** ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 37.7 54.9 1.5 5.9 NO. OF DAYS WITH PRECIPITATION. 0 3 10 7 5 0 0 1 0 4 *** *** *** NO. OF DAYS PRECIPITATION EQUAL 0 3 10 7 5 0 0 1 0 4 *** *** *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 5 4 4 0 0 0 0 0 *** *** *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 75 78 76 76 81 67 66 58 63 73 *** *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 83 70 54 60 51 42 34 39 42 43 *** *** *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 82 70 65 63 54 43 33 37 44 47 *** *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 29 16 1 0 0 0 0 0 0 0 *** *** *** 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 22 3 0 0 0 0 0 0 0 0 *** *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 7 3 25 9 0 *** *** *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 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 *** *** *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. 31 27 11 0 0 0 0 0 0 0 *** *** *** DATE OF START AND END FREEZING START = 1 JAN. END = 21 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 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. -5.9 -1.0 4.4 10.2 14.5 19.7 25.2 23.5 ***** ***** ***** ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -10.4 -5.4 -1.0 4.2 6.7 10.2 17.0 14.6 ***** ***** ***** ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. -1.5 3.6 9.8 16.1 22.3 29.1 33.5 32.4 ***** ***** ***** ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.9 9.0 10.8 11.9 15.6 18.9 16.5 17.8 ***** ***** ***** ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.96 3.31 4.28 5.35 5.74 7.16 9.46 8.67 ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 09 GMT. 2.99 4.23 5.68 6.88 8.25 15.69 17.55 19.85 ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 15 GMT. 2.57 3.93 4.68 5.85 6.18 10.43 16.91 16.43 ***** ***** ***** ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -19.5 -8.5 -12.0 -2.5 3.5 8.0 12.5 12.5 ***** ***** ***** ***** ****** DAY 25 1 5 20 25 17 5 24 ** ** ** ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 3.5 7.5 16.0 21.5 28.5 32.5 36.0 34.5 ***** ***** ***** ***** ****** DAY 1 9 28 8 31 30 16 14 ** ** ** ** 24 HOUR MAXIMUM PRECIPITATION IN MM. 18.0 21.0 10.0 0.0 0.0 0.0 0.0 0.0 ***** ***** ***** ***** ****** DAY 27 6 15 ** ** ** ** ** ** ** ** ** MONTHLY TOTAL PRECIPITATION IN MM. 70.0 55.0 14.0 0.0 0.0 0.0 0.0 0.0 ***** ***** ***** ***** ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 100.0 0.0 0.0 ***** NO. OF DAYS WITH PRECIPITATION. 6 3 2 0 0 0 0 0 *** *** *** *** *** NO. OF DAYS PRECIPITATION EQUAL 6 3 2 0 0 0 0 0 *** *** *** *** *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 5 3 1 0 0 0 0 0 *** *** *** *** *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 75 88 82 77 71 68 57 60 *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 84 86 74 59 47 62 54 62 *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 84 88 84 72 51 57 62 58 *** *** *** *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 27 19 9 0 0 0 0 0 *** *** *** *** *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 2 0 *** *** *** *** *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 22 3 2 0 0 0 0 0 *** *** *** *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 10 30 31 *** *** *** *** *** 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. 28 28 17 3 0 0 0 0 *** *** *** *** *** DATE OF START AND END FREEZING START = 1 JAN. END = 20 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 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.***** ***** 0.6 7.1 12.5 20.2 ***** ***** 20.6 12.0 ***** ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** ***** -1.9 -0.4 6.0 12.8 ***** ***** 12.3 5.7 ***** ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** 3.2 14.6 19.1 27.5 ***** ***** 29.0 18.3 ***** ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** 5.1 15.0 13.1 14.7 ***** ***** 16.8 12.6 ***** ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** 3.79 3.81 5.85 9.10 ***** ***** 7.38 5.05 ***** ***** ***** MEAN OF MIXING RATIO AT 09 GMT. ***** ***** 4.05 7.63 11.43 10.16 ***** ***** 10.88 7.34 ***** ***** ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** 3.82 6.31 8.98 8.62 ***** ***** 9.92 6.14 ***** ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** ***** -6.0 -6.0 -4.0 8.5 ***** ***** 10.0 -4.0 ***** ***** ****** DAY ** ** 1 1 1 12 ** ** 18 24 ** ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** 6.5 23.0 23.5 30.5 ***** ***** 31.5 29.0 ***** ***** ****** DAY ** ** 28 23 24 18 ** ** 7 2 ** ** 24 HOUR MAXIMUM PRECIPITATION IN MM. ***** ***** 4.0 4.0 8.0 0.0 ***** ***** 0.0 19.0 ***** ***** ****** DAY ** ** 12 16 30 ** ** ** ** 17 ** ** MONTHLY TOTAL PRECIPITATION IN MM. ***** ***** 7.0 7.0 19.0 0.0 ***** ***** 0.0 36.0 ***** ***** ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 10.1 37.7 0.0 52.2 NO. OF DAYS WITH PRECIPITATION. *** *** 2 2 3 0 *** *** 0 4 *** *** *** NO. OF DAYS PRECIPITATION EQUAL *** *** 2 2 3 0 *** *** 0 4 *** *** *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL *** *** 0 0 0 0 *** *** 0 1 *** *** *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** 82 61 71 67 *** *** 63 68 *** *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** *** 82 66 75 42 *** *** 42 53 *** *** *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** 82 67 73 41 *** *** 43 51 *** *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** 12 6 1 0 *** *** 0 1 *** *** *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** 0 0 0 0 *** *** 0 0 *** *** *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** 0 1 0 0 *** *** 0 0 *** *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** 0 0 0 7 *** *** 9 0 *** *** *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** 0 0 0 0 *** *** 0 0 *** *** *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** 0 0 0 0 *** *** 0 0 *** *** *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. *** *** 17 16 1 0 *** *** 0 4 *** *** *** DATE OF START AND END FREEZING START = 23 OCT. END = 1 MAY IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 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.***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 09 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 24 HOUR MAXIMUM PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MONTHLY TOTAL PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION ***** ***** ***** ***** NO. OF DAYS WITH PRECIPITATION. *** *** *** *** *** *** *** *** *** *** *** *** *** NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. *** *** *** *** *** *** *** *** *** *** *** *** *** DATE OF START AND END FREEZING START = ** **** END = ** **** IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 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.***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 09 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 24 HOUR MAXIMUM PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MONTHLY TOTAL PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION ***** ***** ***** ***** NO. OF DAYS WITH PRECIPITATION. *** *** *** *** *** *** *** *** *** *** *** *** *** NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. *** *** *** *** *** *** *** *** *** *** *** *** *** DATE OF START AND END FREEZING START = ** **** END = ** **** IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 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.***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 09 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 24 HOUR MAXIMUM PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MONTHLY TOTAL PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION ***** ***** ***** ***** NO. OF DAYS WITH PRECIPITATION. *** *** *** *** *** *** *** *** *** *** *** *** *** NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. *** *** *** *** *** *** *** *** *** *** *** *** *** DATE OF START AND END FREEZING START = ** **** END = ** **** IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 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.***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 09 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 24 HOUR MAXIMUM PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MONTHLY TOTAL PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION ***** ***** ***** ***** NO. OF DAYS WITH PRECIPITATION. *** *** *** *** *** *** *** *** *** *** *** *** *** NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. *** *** *** *** *** *** *** *** *** *** *** *** *** DATE OF START AND END FREEZING START = ** **** END = ** **** IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 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.***** 3.1 3.3 ***** 13.0 18.0 24.5 23.5 20.6 ***** 4.3 -2.3 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** -2.3 -1.2 ***** 6.4 10.0 16.2 15.0 11.6 ***** 0.6 -6.5 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** 8.1 8.8 15.6 19.6 26.0 32.8 32.0 29.6 ***** 8.1 1.9 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** 10.4 10.0 ***** 13.2 16.0 16.6 17.0 18.0 ***** 7.5 8.4 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** ***** ***** 6.81 7.86 9.29 8.16 5.38 ***** 5.15 ***** ***** MEAN OF MIXING RATIO AT 09 GMT. ***** 4.02 4.22 6.67 7.18 7.35 9.38 8.32 4.47 ***** 5.21 3.22 ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** 4.08 6.86 7.19 6.91 8.24 7.41 3.98 ***** 5.29 3.06 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** -7.5 -6.5 ***** 2.0 5.0 12.0 11.5 9.4 ***** -5.0 -19.0 ****** DAY ** 11 3 ** 15 22 1 26 20 ** 15 5 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** 12.2 17.5 21.0 25.0 31.0 36.0 35.4 32.5 ***** 16.0 10.0 ****** DAY ** 24 29 23 21 30 7 2 3 ** 1 26 24 HOUR MAXIMUM PRECIPITATION IN MM. ***** 63.0 33.0 26.0 30.0 1.0 0.0 0.0 0.0 ***** 46.0 17.0 ****** DAY ** 6 31 28 9 10 ** ** ** ** 9 27 MONTHLY TOTAL PRECIPITATION IN MM. ***** 111.9 95.2 115.8 94.6 3.0 0.0 0.0 0.0 ***** 211.3 80.6 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 29.1 30.0 0.0 41.0 NO. OF DAYS WITH PRECIPITATION. *** 10 14 14 15 4 0 0 0 *** 15 11 *** NO. OF DAYS PRECIPITATION EQUAL *** 8 13 13 11 2 0 0 0 *** 13 9 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL *** 3 3 4 3 0 0 0 0 *** 8 4 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** *** *** 86 74 63 60 51 *** 93 *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** 64 60 62 50 36 31 28 17 *** 73 72 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** 58 63 53 33 26 24 17 *** 82 73 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** 6 4 *** 0 0 0 0 0 *** 4 17 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** 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 13 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** 0 0 0 0 4 25 27 17 *** 0 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** 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 *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. *** 20 12 *** 0 0 0 0 0 *** 18 25 *** DATE OF START AND END FREEZING START = 8 NOV. END = 1 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 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.***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 7.6 8.6 6.8 15.2 24.1 29.1 31.4 30.8 27.3 15.9 ***** 7.2 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 09 GMT. 3.56 4.59 3.92 4.49 7.12 6.94 7.91 7.81 8.24 5.20 3.02 4.39 5.60 MEAN OF MIXING RATIO AT 15 GMT. 3.30 4.38 3.92 4.54 6.49 5.87 6.44 6.69 6.61 5.26 ***** 4.44 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 14.8 16.6 12.5 25.0 27.8 33.4 35.6 34.8 31.4 27.6 ***** 11.2 ****** DAY 17 3 24 30 8 24 15 11 9 2 ** 11 24 HOUR MAXIMUM PRECIPITATION IN MM. 14.0 21.0 21.2 27.0 7.0 3.0 0.0 0.0 0.0 28.0 28.0 49.0 49.0 DAY 6 4 6 13 12 18 ** ** ** 5 3 6 MONTHLY TOTAL PRECIPITATION IN MM. 34.0 126.0 152.9 67.7 15.0 3.0 0.0 0.0 0.0 167.0 43.0 342.8 951.4 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 32.9 9.0 0.0 58.1 NO. OF DAYS WITH PRECIPITATION. 8 14 17 11 4 1 0 0 0 14 4 18 91 NO. OF DAYS PRECIPITATION EQUAL 5 14 15 8 4 1 0 0 0 14 4 17 82 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 6 7 2 0 0 0 0 0 8 2 11 37 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 58 70 65 41 37 27 28 29 37 51 31 73 46 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 55 67 66 44 35 23 22 25 30 50 *** 72 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 1 0 0 0 0 0 0 0 *** 0 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 7 20 22 6 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. *** *** *** *** *** *** *** *** *** *** *** *** *** DATE OF START AND END FREEZING START = ** **** END = ** **** IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 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. -2.7 -2.1 3.9 10.1 15.5 19.2 22.9 22.3 19.0 14.1 5.9 0.7 10.7 AVERAGE OF MINIMUM TEMPERATURE IN C. -6.1 -6.2 -0.1 5.1 9.1 11.7 15.8 15.7 10.5 8.0 0.1 -4.5 4.9 AVERAGE OF MAXIMUM TEMPERATURE IN C. 0.8 2.0 7.9 15.0 21.9 26.8 30.0 28.9 27.5 20.2 11.6 5.8 16.5 DIFFERENCE BETWEEN AVERAGE MAXIMUM 6.9 8.2 8.0 9.9 12.8 15.1 14.2 13.2 17.0 12.2 11.5 10.3 11.6 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** ***** 7.27 7.97 9.69 12.27 11.54 6.32 6.01 3.66 3.39 ***** MEAN OF MIXING RATIO AT 09 GMT. 3.51 3.58 4.51 6.50 8.07 9.91 12.86 12.02 7.32 6.13 4.30 3.91 6.89 MEAN OF MIXING RATIO AT 15 GMT. ***** 3.63 4.46 6.39 7.57 8.87 12.09 10.56 6.22 6.22 4.20 3.60 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -22.0 -18.7 -10.0 -1.3 3.2 7.6 11.4 9.4 7.4 1.0 -12.0 -22.0 -22.0 DAY 20 27 6 1 7 26 2 31 7 23 15 29 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 5.0 8.8 14.5 20.2 27.2 32.0 36.8 34.4 31.8 24.8 18.8 15.0 36.8 DAY 25 29 19 20 18 12 31 12 15 28 3 5 24 HOUR MAXIMUM PRECIPITATION IN MM. 22.0 25.0 21.0 20.0 15.0 4.0 0.8 9.0 0.0 9.0 18.0 27.0 27.0 DAY 28 17 4 22 1 30 1 4 ** 16 10 26 MONTHLY TOTAL PRECIPITATION IN MM. 112.5 108.1 106.6 106.6 16.0 6.0 0.8 20.0 0.0 35.3 77.9 80.8 670.6 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 48.8 19.2 3.1 28.9 NO. OF DAYS WITH PRECIPITATION. 15 15 14 16 2 2 1 3 0 10 12 11 101 NO. OF DAYS PRECIPITATION EQUAL 15 12 13 14 2 2 0 3 0 7 10 9 87 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 6 4 5 6 1 0 0 0 0 0 3 3 28 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** *** 90 83 85 84 80 64 71 72 80 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 86 82 68 60 46 45 49 50 33 43 50 66 57 MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** 84 68 60 45 40 43 42 29 48 55 67 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 20 20 3 0 0 0 0 0 0 0 8 15 66 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 10 8 0 0 0 0 0 0 0 0 0 8 26 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 5 14 10 7 0 0 0 36 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 19 3 0 0 0 0 0 0 17 21 117 DATE OF START AND END FREEZING START = 12 NOV. END = 13 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 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. -8.6 -7.5 5.3 13.7 16.4 20.3 25.9 23.3 18.8 15.2 8.3 3.1 11.2 AVERAGE OF MINIMUM TEMPERATURE IN C. -14.0 -13.5 1.4 6.8 9.2 11.1 17.1 14.1 10.7 9.7 4.3 -1.4 4.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. -3.2 -1.4 9.1 20.6 23.5 29.4 34.8 32.5 26.9 20.8 12.2 7.5 17.7 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.8 12.1 7.7 13.8 14.3 18.3 17.7 18.4 16.2 11.1 7.9 8.9 13.1 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.49 1.48 4.05 4.59 5.93 6.71 8.62 8.08 6.89 5.57 5.44 3.35 5.18 MEAN OF MIXING RATIO AT 09 GMT. 2.03 1.97 4.14 5.33 6.15 6.43 11.11 11.44 9.99 4.98 5.85 3.68 6.09 MEAN OF MIXING RATIO AT 15 GMT. 1.95 1.98 3.95 4.56 5.17 5.21 9.95 9.60 8.26 5.09 5.64 3.43 5.40 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -28.6 -25.0 -5.2 2.0 4.0 6.0 10.4 8.8 5.0 3.0 -5.0 -9.0 -28.6 DAY 5 15 30 3 12 2 1 16 21 25 22 6 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 4.0 10.0 17.0 25.0 29.0 34.4 39.0 36.0 34.0 27.6 17.0 13.0 39.0 DAY 20 27 24 29 24 29 21 7 3 6 4 27 24 HOUR MAXIMUM PRECIPITATION IN MM. 37.0 16.0 27.0 1.0 4.6 0.0 0.0 0.3 0.1 19.0 52.0 12.0 52.0 DAY 11 19 10 1 10 ** ** 18 19 29 12 12 MONTHLY TOTAL PRECIPITATION IN MM. 59.7 28.0 109.5 1.8 9.0 0.0 0.0 0.6 0.1 41.8 108.7 38.5 397.7 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 49.6 2.7 0.2 47.5 NO. OF DAYS WITH PRECIPITATION. 11 6 12 2 4 0 0 2 1 6 13 8 65 NO. OF DAYS PRECIPITATION EQUAL 6 5 11 1 2 0 0 0 0 5 5 5 40 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 1 4 0 0 0 0 0 0 2 2 3 13 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 75 76 78 61 66 62 54 64 71 60 83 78 69 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 71 62 57 35 34 25 33 37 43 35 63 59 46 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 73 62 55 32 29 20 28 31 39 40 67 60 45 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 28 26 1 0 0 0 0 0 0 0 1 7 63 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 5 0 0 0 0 0 5 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 25 19 0 0 0 0 0 0 0 0 0 2 46 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 15 31 29 9 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. 30 27 8 0 0 0 0 0 0 0 2 22 89 DATE OF START AND END FREEZING START = 21 NOV. END = 30 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 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. -4.2 -1.2 5.1 9.4 15.1 20.6 24.6 23.1 19.7 13.4 9.3 2.1 11.4 AVERAGE OF MINIMUM TEMPERATURE IN C. -8.5 -4.7 0.1 3.9 8.0 12.4 16.9 14.3 10.2 6.7 2.6 -2.5 5.0 AVERAGE OF MAXIMUM TEMPERATURE IN C. 0.1 2.2 10.1 14.8 22.3 28.7 32.4 31.9 29.3 20.0 16.0 6.7 17.9 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.6 6.9 10.0 10.9 14.3 16.3 15.5 17.6 19.1 13.3 13.4 9.2 12.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.33 2.89 3.72 4.83 5.88 6.81 8.28 6.33 3.65 5.40 4.51 ***** ***** MEAN OF MIXING RATIO AT 09 GMT. 2.64 3.09 3.93 4.81 6.31 7.05 8.38 7.95 5.75 5.96 4.64 4.08 5.38 MEAN OF MIXING RATIO AT 15 GMT. 2.61 3.06 3.63 4.51 5.29 6.03 7.69 6.23 4.50 5.52 4.45 3.98 4.79 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -20.0 -15.0 -9.0 -2.0 1.0 8.2 12.6 10.2 6.8 3.0 -4.2 -20.0 -20.0 DAY 26 1 17 4 8 28 8 25 18 17 14 29 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 4.0 8.0 15.4 25.0 28.8 32.0 37.0 35.4 31.0 26.2 22.0 16.0 37.0 DAY 2 28 31 26 31 12 16 5 9 7 3 2 24 HOUR MAXIMUM PRECIPITATION IN MM. 17.0 26.0 20.0 41.0 1.1 0.0 0.0 0.0 0.0 10.0 14.0 30.0 41.0 DAY 1 15 14 13 11 ** ** ** ** 25 11 24 MONTHLY TOTAL PRECIPITATION IN MM. 69.1 95.4 79.6 180.6 1.1 0.0 0.0 0.0 0.0 31.0 26.9 68.2 551.9 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 44.2 32.9 0.0 22.8 NO. OF DAYS WITH PRECIPITATION. 10 15 13 10 1 0 0 0 0 8 4 10 71 NO. OF DAYS PRECIPITATION EQUAL 9 10 12 8 1 0 0 0 0 6 3 7 56 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 3 3 4 6 0 0 0 0 0 1 2 3 22 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 78 80 76 78 68 58 53 50 39 70 65 *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 70 69 53 48 37 29 29 29 22 42 43 64 45 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 72 70 53 46 31 24 25 21 18 44 45 67 43 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 24 18 5 0 0 0 0 0 0 0 1 9 57 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 1 0 0 0 0 0 2 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 14 9 1 0 0 0 0 0 0 0 0 8 32 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 12 22 25 11 0 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 26 16 7 0 0 0 0 0 0 12 21 113 DATE OF START AND END FREEZING START = 13 NOV. END = 11 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 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. -3.5 -2.4 4.9 11.4 14.8 20.4 24.5 25.0 20.0 14.4 8.5 -1.6 11.4 AVERAGE OF MINIMUM TEMPERATURE IN C. -7.8 -7.0 0.7 5.2 8.3 12.5 16.8 16.5 11.7 8.0 3.6 -4.4 5.3 AVERAGE OF MAXIMUM TEMPERATURE IN C. 0.7 2.3 9.0 17.7 21.2 28.4 32.3 33.5 28.3 20.7 13.3 1.2 17.4 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.5 9.3 8.3 12.5 12.9 15.9 15.5 17.0 16.6 12.7 9.7 5.6 12.0 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** ***** ***** 6.29 7.73 8.20 7.93 5.86 6.15 4.91 3.15 ***** MEAN OF MIXING RATIO AT 09 GMT. 3.24 3.53 4.67 5.74 6.88 7.88 8.56 8.51 5.81 6.06 5.15 3.35 5.78 MEAN OF MIXING RATIO AT 15 GMT. 3.19 3.36 4.60 5.18 5.54 7.13 7.46 7.11 5.11 6.35 4.80 3.32 5.26 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -22.0 -17.0 -11.0 -3.0 3.0 8.0 13.0 8.8 7.4 2.6 -2.0 -14.0 -22.0 DAY 25 5 11 20 3 3 8 31 28 30 23 7 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 5.6 8.6 21.0 25.0 25.2 36.0 38.0 39.0 34.0 25.6 17.2 10.0 39.0 DAY 4 28 30 25 27 30 30 1 1 6 2 9 24 HOUR MAXIMUM PRECIPITATION IN MM. 13.0 34.0 49.0 23.0 6.0 0.0 0.0 0.0 0.0 12.0 85.0 74.0 85.0 DAY 31 26 6 4 16 ** ** ** ** 16 4 9 MONTHLY TOTAL PRECIPITATION IN MM. 42.0 93.3 179.4 56.7 11.4 0.0 0.0 0.0 0.0 30.4 106.1 217.4 736.7 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 42.7 9.2 0.0 48.0 NO. OF DAYS WITH PRECIPITATION. 8 9 14 9 4 0 0 0 0 8 4 14 70 NO. OF DAYS PRECIPITATION EQUAL 8 7 13 8 3 0 0 0 0 6 4 12 61 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 4 5 3 0 0 0 0 0 1 2 6 23 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** *** *** 72 64 55 54 59 77 81 87 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 80 76 64 45 44 33 29 28 24 42 54 78 50 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 82 75 66 45 35 28 24 23 22 49 55 77 48 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 22 17 3 0 0 0 0 0 0 0 0 17 59 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 3 3 0 0 0 0 6 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 12 10 2 0 0 0 0 0 0 0 0 13 37 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 12 27 27 12 0 0 0 78 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 31 23 14 1 0 0 0 0 0 0 6 22 97 DATE OF START AND END FREEZING START = 17 NOV. END = 20 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 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. -6.1 -3.7 -2.6 8.4 12.3 18.2 22.5 21.8 18.0 14.0 6.6 -0.3 9.1 AVERAGE OF MINIMUM TEMPERATURE IN C. -10.2 -7.2 -7.9 3.5 7.8 11.2 14.0 15.0 10.1 6.5 1.6 -3.4 3.4 AVERAGE OF MAXIMUM TEMPERATURE IN C. -2.0 -0.2 2.7 13.3 16.8 25.2 30.9 28.6 26.0 21.5 11.6 2.9 14.8 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.2 7.0 10.6 9.8 9.0 14.0 16.9 13.6 15.9 15.0 10.0 6.3 11.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.21 2.50 2.52 4.64 6.96 8.04 8.41 8.71 5.80 5.14 4.65 3.29 5.24 MEAN OF MIXING RATIO AT 09 GMT. 2.43 2.94 2.95 4.91 7.41 7.63 7.90 8.37 5.64 4.85 5.86 3.49 5.36 MEAN OF MIXING RATIO AT 15 GMT. 2.41 2.86 3.02 4.74 7.30 7.05 6.78 7.62 5.18 5.09 5.80 3.33 5.10 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -20.6 -21.6 -20.0 -5.8 0.6 7.6 10.4 11.0 5.6 1.0 -17.0 -18.4 -21.6 DAY 28 29 2 3 6 5 1 30 29 30 27 27 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 3.0 4.4 11.2 19.4 27.6 30.4 34.8 33.6 32.0 25.4 19.8 9.6 34.8 DAY 20 20 30 12 29 29 30 16 8 4 2 11 24 HOUR MAXIMUM PRECIPITATION IN MM. 89.0 64.0 12.0 19.0 16.4 15.0 0.0 0.0 3.0 0.0 27.0 23.0 89.0 DAY 16 7 6 13 6 3 ** ** 27 ** 7 15 MONTHLY TOTAL PRECIPITATION IN MM. 152.8 318.4 65.0 87.0 131.0 20.6 0.0 0.0 3.4 0.0 149.6 111.5 1039.3 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 51.6 23.0 0.3 25.1 NO. OF DAYS WITH PRECIPITATION. 14 18 12 10 21 5 0 0 2 0 11 11 104 NO. OF DAYS PRECIPITATION EQUAL 13 16 12 9 19 4 0 0 1 0 10 11 95 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 8 3 5 4 1 0 0 0 0 7 4 34 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 80 81 81 75 82 73 64 65 61 70 82 80 75 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 70 76 64 52 63 39 29 36 28 31 66 67 52 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 73 76 68 53 62 35 24 31 27 36 71 69 52 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 23 18 23 1 0 0 0 0 0 0 3 11 79 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 22 13 10 0 0 0 0 0 0 0 2 8 55 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 22 12 5 0 0 0 40 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 27 2 0 0 0 0 0 0 6 25 119 DATE OF START AND END FREEZING START = 25 NOV. END = 4 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 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. -3.5 -2.5 3.2 10.0 14.2 19.5 23.9 23.0 20.6 13.0 5.3 0.7 10.6 AVERAGE OF MINIMUM TEMPERATURE IN C. -6.9 -6.2 -1.2 5.0 9.4 12.4 16.5 15.5 12.1 6.3 1.9 -2.9 5.2 AVERAGE OF MAXIMUM TEMPERATURE IN C. -0.0 1.1 7.6 15.0 19.0 26.5 31.4 30.5 29.0 19.8 8.8 4.4 16.1 DIFFERENCE BETWEEN AVERAGE MAXIMUM 6.9 7.3 8.8 10.0 9.6 14.1 14.9 15.0 16.9 13.5 6.9 7.3 10.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.58 2.70 3.34 4.93 6.65 7.44 8.53 8.08 5.41 5.27 4.28 3.21 5.20 MEAN OF MIXING RATIO AT 09 GMT. 3.07 2.97 3.56 5.11 6.59 6.51 8.40 7.86 5.40 4.96 4.36 3.42 5.18 MEAN OF MIXING RATIO AT 15 GMT. 2.94 2.98 3.24 4.98 6.50 6.54 7.70 6.85 4.71 5.35 4.47 3.66 4.99 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -16.0 -18.0 -6.0 -1.0 3.6 8.0 11.4 11.0 8.4 0.5 -10.8 -11.4 -18.0 DAY 20 18 22 23 4 6 6 13 25 22 14 20 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 8.0 11.6 19.2 24.0 24.0 33.0 35.4 34.6 32.4 26.0 19.6 10.0 35.4 DAY 28 28 31 19 31 30 16 31 1 1 8 28 24 HOUR MAXIMUM PRECIPITATION IN MM. 22.0 35.0 35.0 45.0 50.0 4.0 0.0 2.0 0.0 51.0 49.0 38.0 51.0 DAY 8 3 8 8 13 21 ** 7 ** 28 1 14 MONTHLY TOTAL PRECIPITATION IN MM. 46.0 134.8 101.8 151.0 119.8 6.8 0.0 2.0 0.0 73.0 173.0 84.2 892.4 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 31.7 31.1 0.2 37.0 NO. OF DAYS WITH PRECIPITATION. 8 12 12 16 13 3 0 1 0 4 14 7 90 NO. OF DAYS PRECIPITATION EQUAL 8 12 11 11 12 2 0 1 0 4 14 6 81 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 4 3 4 3 0 0 0 0 2 5 2 24 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 78 79 76 72 74 64 58 60 51 67 76 79 70 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 76 68 58 52 49 30 31 30 23 37 60 69 49 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 76 69 54 52 50 29 26 25 20 43 65 72 48 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 21 18 5 0 0 0 0 0 0 0 3 10 57 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 18 9 1 0 0 0 0 0 0 0 2 2 32 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 5 23 21 14 0 0 0 63 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 28 26 24 1 0 0 0 0 0 0 7 28 114 DATE OF START AND END FREEZING START = 13 NOV. END = 23 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 MET. MEAN AND EXTREMES FOR THE YEAR 1994 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 1.8 1.9 6.2 12.6 15.7 20.2 23.5 23.8 19.0 14.1 7.7 -2.2 12.0 AVERAGE OF MINIMUM TEMPERATURE IN C. -1.6 -1.8 1.9 6.6 9.3 13.1 16.2 15.9 12.2 8.0 3.6 -5.5 6.5 AVERAGE OF MAXIMUM TEMPERATURE IN C. 5.2 5.5 10.6 18.6 22.1 27.3 30.8 31.8 25.8 20.3 11.7 1.2 17.6 DIFFERENCE BETWEEN AVERAGE MAXIMUM 6.8 7.3 8.7 12.0 12.8 14.2 14.6 15.9 13.6 12.3 8.1 6.7 11.1 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.02 3.20 4.21 5.69 6.58 7.35 8.98 7.35 6.63 6.40 4.90 2.43 5.56 MEAN OF MIXING RATIO AT 09 GMT. 3.20 3.16 4.27 5.77 6.05 7.19 9.11 8.33 6.26 6.33 4.97 2.71 5.61 MEAN OF MIXING RATIO AT 15 GMT. 3.22 3.28 4.14 5.32 5.76 6.45 7.63 6.46 5.85 6.09 4.89 2.67 5.15 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -7.0 -7.6 -2.0 0.8 5.0 9.4 11.0 11.6 9.0 5.0 -3.0 -18.0 -18.0 DAY 25 4 2 4 7 30 1 3 22 11 9 22 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 11.6 11.4 17.4 26.0 30.0 32.2 35.4 35.0 30.4 23.4 19.0 8.2 35.4 DAY 3 27 31 21 28 10 15 18 12 6 3 2 24 HOUR MAXIMUM PRECIPITATION IN MM. 31.0 22.0 27.0 45.0 13.0 22.8 0.0 0.0 11.0 21.0 53.0 34.0 53.0 DAY 2 28 12 1 4 28 ** ** 8 15 6 19 MONTHLY TOTAL PRECIPITATION IN MM. 128.0 69.2 99.2 113.2 32.2 25.6 0.0 0.0 17.0 62.3 202.6 101.2 850.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 34.9 20.1 2.0 43.0 NO. OF DAYS WITH PRECIPITATION. 10 10 10 14 6 3 0 0 2 7 16 12 90 NO. OF DAYS PRECIPITATION EQUAL 10 10 10 12 5 2 0 0 2 7 15 11 84 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 5 3 4 4 2 1 0 0 1 2 5 3 30 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 70 73 78 76 71 61 61 52 60 79 77 70 69 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 60 56 54 44 36 34 34 30 31 44 58 62 45 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 60 61 55 43 36 29 26 21 30 48 62 65 45 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 8 8 0 0 0 0 0 0 0 0 0 17 33 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 12 15 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 1 5 19 28 1 0 0 0 54 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 23 23 7 0 0 0 0 0 0 0 3 24 80 DATE OF START AND END FREEZING START = 9 NOV. END = 17 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 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. 2.5 2.3 6.4 10.3 16.1 19.7 23.8 24.8 20.2 13.2 7.0 1.6 12.3 AVERAGE OF MINIMUM TEMPERATURE IN C. -1.1 -2.0 0.7 5.0 10.1 12.8 15.9 15.6 12.5 5.9 1.4 -3.1 6.1 AVERAGE OF MAXIMUM TEMPERATURE IN C. 6.1 6.5 12.1 15.5 22.1 26.5 31.6 34.0 27.8 20.6 12.7 6.3 18.5 DIFFERENCE BETWEEN AVERAGE MAXIMUM 7.2 8.5 11.4 10.5 12.0 13.7 15.7 18.4 15.3 14.7 11.3 9.4 12.3 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.20 3.40 3.91 5.26 6.89 8.10 8.46 7.32 6.40 4.99 4.04 2.89 5.40 MEAN OF MIXING RATIO AT 09 GMT. 3.43 3.46 3.98 5.10 6.54 8.02 8.68 7.85 6.02 4.90 3.89 3.19 5.42 MEAN OF MIXING RATIO AT 15 GMT. 3.43 3.45 3.95 4.93 6.59 7.85 7.27 7.15 5.53 4.54 3.83 3.02 5.13 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -6.6 -8.4 -3.4 -1.0 4.6 9.6 12.0 12.0 5.6 2.6 -8.0 -9.8 -9.8 DAY 23 10 1 6 8 6 3 17 22 15 27 20 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 11.0 11.6 16.8 20.0 27.4 31.4 34.8 37.2 34.6 28.2 19.0 11.6 37.2 DAY 31 28 22 29 25 20 26 5 3 2 21 30 24 HOUR MAXIMUM PRECIPITATION IN MM. 18.0 22.0 26.0 35.0 12.0 8.0 0.0 0.0 6.0 1.4 30.0 4.6 35.0 DAY 16 5 17 4 4 22 ** ** 20 3 3 12 MONTHLY TOTAL PRECIPITATION IN MM. 28.0 69.4 68.2 156.7 32.4 19.9 0.0 0.0 8.0 1.4 71.4 10.8 466.2 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 35.5 44.8 1.7 17.9 NO. OF DAYS WITH PRECIPITATION. 7 9 9 13 9 6 0 0 2 1 8 4 68 NO. OF DAYS PRECIPITATION EQUAL 5 8 9 11 7 4 0 0 2 1 8 4 59 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 3 2 5 1 0 0 0 0 0 1 0 13 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 72 80 77 76 70 69 59 53 58 69 73 76 69 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 60 58 47 50 39 38 32 25 29 33 43 55 42 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 60 59 48 50 39 38 23 21 27 34 47 56 42 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 7 8 0 0 0 0 0 0 0 0 7 12 34 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 4 0 0 0 0 0 4 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 1 0 1 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 4 26 31 14 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. 19 22 17 1 0 0 0 0 0 0 13 28 100 DATE OF START AND END FREEZING START = 12 NOV. END = 6 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 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. -2.3 3.4 4.3 10.0 17.2 20.2 25.3 24.9 21.0 14.0 7.4 6.1 12.6 AVERAGE OF MINIMUM TEMPERATURE IN C. -5.6 -0.7 0.4 5.1 11.2 13.1 18.0 16.7 13.7 7.9 1.0 2.3 6.9 AVERAGE OF MAXIMUM TEMPERATURE IN C. 0.9 7.6 8.2 14.9 23.2 27.3 32.7 33.1 28.4 20.0 13.9 10.0 18.4 DIFFERENCE BETWEEN AVERAGE MAXIMUM 6.5 8.3 7.8 9.8 12.0 14.2 14.7 16.4 14.7 12.1 12.9 7.7 11.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.78 3.55 3.78 4.65 6.99 6.84 8.62 6.66 6.09 5.63 4.07 4.19 5.32 MEAN OF MIXING RATIO AT 09 GMT. 2.86 3.49 4.00 4.69 6.64 6.61 8.58 6.46 5.83 6.02 4.38 4.48 5.34 MEAN OF MIXING RATIO AT 15 GMT. 3.01 3.61 4.03 4.43 6.19 5.87 8.13 5.83 5.76 5.64 3.84 4.23 5.05 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -15.4 -10.0 -3.0 0.6 7.0 7.4 14.0 13.0 9.0 -0.4 -3.8 -2.6 -15.4 DAY 22 3 17 15 1 7 1 24 23 31 13 19 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 11.2 14.0 15.0 23.0 28.4 35.6 36.0 36.4 33.4 28.4 18.0 14.4 36.4 DAY 1 25 30 30 27 30 21 1 2 3 3 2 24 HOUR MAXIMUM PRECIPITATION IN MM. 24.0 17.0 15.0 45.0 10.0 1.0 0.7 0.1 1.1 6.0 11.0 24.0 45.0 DAY 7 1 23 12 8 1 8 29 21 15 6 10 MONTHLY TOTAL PRECIPITATION IN MM. 138.2 54.3 74.7 134.7 30.3 1.0 0.7 0.1 1.9 26.4 19.5 86.7 568.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 47.0 29.2 0.5 23.3 NO. OF DAYS WITH PRECIPITATION. 14 8 15 11 9 1 1 1 2 11 3 13 89 NO. OF DAYS PRECIPITATION EQUAL 13 8 14 10 6 1 0 0 1 7 2 9 71 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 5 2 3 4 1 0 0 0 0 0 1 4 20 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 79 76 76 69 69 57 53 46 52 69 77 74 66 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 69 58 61 47 39 31 29 22 25 43 47 61 44 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 73 61 62 47 36 25 26 18 27 44 44 60 44 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 19 6 0 0 0 0 0 0 0 0 0 0 25 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 2 0 0 0 0 0 2 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 13 2 0 0 0 0 0 0 0 0 0 0 15 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 4 26 29 10 0 0 0 69 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 28 13 16 0 0 0 0 0 0 2 12 9 80 DATE OF START AND END FREEZING START = 28 OCT. END = 27 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 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. -0.2 -4.5 0.4 9.7 16.3 20.7 23.6 24.7 19.5 15.5 7.5 3.5 11.4 AVERAGE OF MINIMUM TEMPERATURE IN C. -5.0 -10.1 -3.6 4.2 9.7 13.0 15.7 15.9 12.8 9.4 3.1 -0.3 5.4 AVERAGE OF MAXIMUM TEMPERATURE IN C. 4.6 1.1 4.4 15.1 22.9 28.4 31.4 33.4 26.2 21.5 11.9 7.3 17.3 DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.6 11.2 8.0 10.9 13.2 15.4 15.7 17.5 13.4 12.1 8.8 7.6 11.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.69 2.22 3.14 4.72 6.63 7.68 7.99 7.51 6.72 6.47 5.17 3.81 5.40 MEAN OF MIXING RATIO AT 09 GMT. 2.99 2.58 3.45 4.53 6.39 7.82 7.46 8.17 6.85 7.04 5.77 4.06 5.59 MEAN OF MIXING RATIO AT 15 GMT. 2.94 2.54 3.40 4.44 6.01 6.67 6.50 6.85 6.87 6.85 5.64 3.94 5.22 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -19.6 -23.0 -15.2 -6.0 4.2 8.4 12.0 12.0 7.6 3.6 -2.0 -7.4 -23.0 DAY 29 1 8 11 6 7 17 17 15 25 28 29 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 12.4 9.4 11.0 28.0 28.0 32.0 36.2 36.0 30.8 27.4 16.4 13.4 36.2 DAY 14 19 31 25 27 22 28 26 19 17 16 7 24 HOUR MAXIMUM PRECIPITATION IN MM. 41.0 28.3 24.0 15.0 21.0 6.0 0.8 0.0 0.0 4.2 18.0 18.1 41.0 DAY 16 24 28 9 21 6 6 ** ** 20 3 10 MONTHLY TOTAL PRECIPITATION IN MM. 103.2 123.2 127.1 73.6 53.4 7.0 1.2 0.0 0.0 12.3 87.4 36.1 624.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 56.6 21.5 0.2 21.7 NO. OF DAYS WITH PRECIPITATION. 9 9 17 12 8 2 2 0 0 7 9 8 83 NO. OF DAYS PRECIPITATION EQUAL 7 9 15 11 6 2 0 0 0 3 8 8 69 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 3 7 4 3 2 0 0 0 0 0 4 1 24 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 74 82 80 71 70 63 56 53 61 73 86 80 71 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 58 66 68 45 38 34 28 27 33 44 67 64 48 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 60 63 69 45 38 29 22 21 33 47 69 65 47 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 13 18 12 1 0 0 0 0 0 0 0 6 50 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 10 12 4 0 0 0 0 0 0 0 0 0 26 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 11 22 31 2 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. 24 27 28 6 0 0 0 0 0 0 6 14 105 DATE OF START AND END FREEZING START = 20 NOV. END = 14 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 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. -3.3 -1.9 5.2 11.8 16.1 22.5 25.1 26.2 21.5 15.1 12.0 6.9 13.1 AVERAGE OF MINIMUM TEMPERATURE IN C. -7.0 -6.3 1.0 6.0 9.5 14.8 18.3 18.4 14.2 7.8 6.4 1.9 7.1 AVERAGE OF MAXIMUM TEMPERATURE IN C. 0.4 2.4 9.5 17.6 22.7 30.3 31.8 33.9 28.8 22.3 17.6 11.8 19.1 DIFFERENCE BETWEEN AVERAGE MAXIMUM 7.4 8.7 8.5 11.6 13.2 15.5 13.5 15.5 14.6 14.5 11.2 9.9 12.0 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.78 2.62 4.17 5.65 7.24 7.54 8.90 7.57 5.94 4.55 4.83 3.87 5.47 MEAN OF MIXING RATIO AT 09 GMT. 2.96 2.84 4.35 5.63 7.09 7.83 8.90 7.80 5.60 4.80 5.13 4.10 5.58 MEAN OF MIXING RATIO AT 15 GMT. 2.90 2.96 4.42 5.57 6.86 7.22 8.08 6.44 5.29 4.48 4.98 3.90 5.26 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -21.0 -17.6 -6.4 -0.8 4.4 9.8 15.0 15.2 10.0 3.8 1.4 -4.0 -21.0 DAY 14 21 3 1 4 4 26 21 27 27 25 20 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 4.4 10.6 15.0 26.6 30.0 35.4 36.0 38.4 36.4 28.2 21.4 19.4 38.4 DAY 26 6 12 15 9 23 18 29 1 6 6 10 24 HOUR MAXIMUM PRECIPITATION IN MM. 35.0 22.0 58.0 23.0 12.0 5.0 0.0 0.0 0.0 1.0 18.6 19.0 58.0 DAY 12 8 17 28 3 3 ** ** ** 19 11 30 MONTHLY TOTAL PRECIPITATION IN MM. 119.4 55.8 160.6 71.4 34.8 6.2 0.0 0.0 0.0 1.0 38.4 37.6 525.2 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 63.9 21.4 0.0 14.7 NO. OF DAYS WITH PRECIPITATION. 15 8 14 10 8 3 0 0 0 1 7 7 73 NO. OF DAYS PRECIPITATION EQUAL 14 7 11 9 7 1 0 0 0 1 5 6 61 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 3 2 5 3 1 0 0 0 0 0 2 1 17 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 90 76 80 77 78 56 54 47 49 57 66 69 67 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 76 64 62 47 42 31 32 25 24 31 44 49 44 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 76 66 62 47 41 26 27 19 23 30 46 49 43 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 18 19 2 0 0 0 0 0 0 0 0 2 41 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 5 1 0 0 0 0 6 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 14 10 0 0 0 0 0 0 0 0 0 0 24 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 1 17 24 28 13 0 0 0 83 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 31 24 13 2 0 0 0 0 0 0 0 13 83 DATE OF START AND END FREEZING START = 2 DEC. END = 2 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 MET. MEAN AND EXTREMES FOR THE YEAR 1999 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 1.2 3.8 6.0 12.2 17.6 22.7 24.8 27.0 21.0 16.1 7.8 4.5 13.7 AVERAGE OF MINIMUM TEMPERATURE IN C. -2.4 -1.0 0.6 6.4 10.0 15.6 17.8 19.6 13.8 10.4 2.7 -0.4 7.7 AVERAGE OF MAXIMUM TEMPERATURE IN C. 4.7 8.6 11.5 17.9 25.2 29.8 31.8 34.4 28.3 21.9 12.8 9.4 19.7 DIFFERENCE BETWEEN AVERAGE MAXIMUM 7.1 9.6 10.9 11.5 15.2 14.2 14.0 14.8 14.5 11.5 10.1 9.8 11.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.50 3.52 3.84 4.99 5.74 6.69 7.99 7.26 6.05 5.10 4.17 3.59 5.20 MEAN OF MIXING RATIO AT 09 GMT. 3.73 3.65 4.03 4.66 5.22 6.83 7.73 6.64 5.81 4.71 4.11 3.80 5.08 MEAN OF MIXING RATIO AT 15 GMT. 3.69 3.44 4.08 4.35 5.00 5.44 6.37 5.74 5.50 5.14 3.99 3.70 4.70 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -8.0 -5.0 -3.8 1.4 2.6 10.0 13.6 14.8 9.0 3.6 -4.0 -4.4 -8.0 DAY 14 23 28 10 21 5 15 31 24 14 30 5 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 10.4 14.0 17.4 23.4 32.0 33.8 36.6 38.0 32.4 30.4 19.0 17.0 38.0 DAY 31 28 7 25 30 20 20 2 4 1 21 31 24 HOUR MAXIMUM PRECIPITATION IN MM. 28.6 23.0 15.0 45.0 1.0 0.0 4.0 1.0 0.6 16.0 18.0 15.3 45.0 DAY 9 18 11 1 14 ** 15 10 22 25 1 15 MONTHLY TOTAL PRECIPITATION IN MM. 70.0 91.0 60.4 57.6 4.6 0.0 5.4 1.0 0.6 32.0 44.6 37.7 404.9 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 54.7 15.4 1.7 28.2 NO. OF DAYS WITH PRECIPITATION. 10 10 14 4 6 0 3 1 1 9 5 6 69 NO. OF DAYS PRECIPITATION EQUAL 10 10 12 4 3 0 2 1 0 5 4 5 56 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 4 2 1 0 0 0 0 0 1 3 2 15 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 87 78 76 68 59 47 49 41 51 53 72 76 63 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 71 55 50 39 28 27 28 20 25 30 46 53 39 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 72 52 53 36 28 20 22 17 24 38 48 56 39 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 11 4 0 0 0 0 0 0 0 0 1 4 20 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 3 9 0 0 0 0 12 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 1 0 0 0 0 0 0 0 0 0 0 1 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 2 13 24 31 11 2 0 0 83 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 25 17 15 0 0 0 0 0 0 0 9 20 86 DATE OF START AND END FREEZING START = 2 NOV. END = 28 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 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. -1.1 -0.5 4.9 13.4 17.0 21.7 27.3 25.9 21.3 13.3 6.6 3.0 12.7 AVERAGE OF MINIMUM TEMPERATURE IN C. -4.9 -4.7 -0.3 7.7 10.3 13.8 19.9 18.6 13.9 7.6 2.0 -0.4 7.0 AVERAGE OF MAXIMUM TEMPERATURE IN C. 2.7 3.7 10.0 19.1 23.7 29.5 34.7 33.3 28.6 19.0 11.2 6.4 18.5 DIFFERENCE BETWEEN AVERAGE MAXIMUM 7.6 8.4 10.3 11.4 13.4 15.7 14.8 14.7 14.7 11.4 9.2 6.8 11.5 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.69 2.44 3.21 5.29 5.91 6.10 7.41 6.43 5.41 5.16 4.27 3.78 4.84 MEAN OF MIXING RATIO AT 09 GMT. 2.84 2.47 3.19 5.23 5.60 5.34 6.55 5.80 4.98 5.16 4.46 3.99 4.63 MEAN OF MIXING RATIO AT 15 GMT. 2.79 2.55 3.16 4.98 4.97 5.02 5.34 4.80 4.61 5.12 4.42 4.07 4.32 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -19.6 -14.4 -6.4 -1.0 5.4 8.8 16.0 12.0 10.0 2.2 -1.6 -6.0 -19.6 DAY 18 1 16 2 1 14 1 30 29 29 29 27 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 17.4 12.0 18.0 24.6 28.6 34.8 37.6 38.0 34.4 25.2 16.8 11.8 38.0 DAY 2 24 31 14 25 30 16 2 9 11 12 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 36.0 20.0 26.0 23.6 4.0 0.0 1.0 0.0 1.6 13.0 16.0 37.0 37.0 DAY 21 14 8 29 8 ** 15 ** 29 25 24 21 MONTHLY TOTAL PRECIPITATION IN MM. 118.1 54.0 98.6 95.2 10.1 0.0 1.0 0.0 3.1 41.0 42.0 114.1 577.2 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 46.9 18.2 0.7 34.1 NO. OF DAYS WITH PRECIPITATION. 18 9 8 13 6 0 1 0 3 6 8 12 84 NO. OF DAYS PRECIPITATION EQUAL 14 7 7 11 3 0 1 0 2 6 6 11 68 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 5 2 5 3 0 0 0 0 0 3 1 4 23 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 75 72 67 64 58 47 40 39 45 66 77 81 61 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 62 50 45 40 31 22 20 19 22 39 54 65 39 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 63 53 44 37 27 19 15 15 21 42 57 72 39 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 15 16 7 0 0 0 0 0 0 0 0 4 42 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 10 4 0 0 0 0 14 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 8 6 0 0 0 0 0 0 0 0 0 0 14 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 16 31 30 11 0 0 0 88 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 26 24 16 2 0 0 0 0 0 0 7 17 92 DATE OF START AND END FREEZING START = 9 NOV. END = 2 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 MET. MEAN AND EXTREMES FOR THE PERIOD 1972 TO 2000 PAGE 1 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPE. IN C. -2.9 -0.5 4.1 10.6 15.1 20.1 24.0 24.0 20.0 14.0 6.9 1.5 11.4 SD OF MEAN DAILY TEMPERATURE IN C. 3.22 2.97 2.42 1.58 1.45 1.27 1.66 1.46 1.07 1.54 2.00 3.16 1.98 AVERAGE OF MINIMUM TEMPERATURE IN C. -7.1 -5.1 -0.5 5.0 8.6 12.4 16.1 15.7 11.8 7.3 1.8 -2.9 5.3 AVERAGE OF MAXIMUM TEMPERATURE IN C. 1.6 4.3 8.6 16.1 21.8 27.8 31.8 32.2 28.2 20.5 12.1 5.6 17.5 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.4 9.2 9.2 11.2 13.1 15.3 15.7 16.6 16.4 13.4 10.4 8.1 12.2 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.54 2.84 3.80 5.11 6.53 7.74 8.76 8.11 6.15 5.40 4.39 3.35 5.39 MEAN OF MIXING RATIO AT 09 GMT. 3.08 3.50 4.24 5.76 7.25 8.39 9.91 9.64 7.12 5.82 4.81 3.70 6.09 MEAN OF MIXING RATIO AT 15 GMT. 2.91 3.33 4.14 5.39 6.62 7.27 8.81 8.38 6.45 5.65 4.72 3.59 5.60 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -28.6 -25.0 -20.0 -6.0 -4.0 5.0 8.0 4.0 5.0 -4.0 -17.0 -22.0 -28.6 YEAR - DAY 89- 5 89-15 92- 2 81- 1 81- 1 86-22 79- 4 75-20 75-25 77-24 92-27 88-29 89- 5 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 17.4 17.0 21.0 28.0 32.0 36.0 39.0 39.0 36.4 30.4 22.0 19.4 39.0 YEAR - DAY 0- 2 77-27 91-30 97-25 99-30 91-30 89-21 91- 1 98- 1 99- 1 90- 3 98-10 89-21 24 HOUR MAXIMUM PRECIPITATION IN MM. 89.0 64.0 58.0 45.0 50.0 34.0 4.0 9.0 11.0 51.0 85.0 74.0 89.0 YEAR - DAY 92-16 92- 7 98-17 93- 8 93-13 78- 4 99-15 88- 4 94- 8 93-28 91- 4 91- 9 92-16 MONTHLY TOTAL PRECIPITATION IN MM. 75.4 79.5 87.7 82.3 44.8 6.4 0.5 1.8 1.6 33.4 77.7 83.4 574.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 42.3 23.2 0.6 33.9 NO. OF DAYS WITH PRECIPITATION. 9 9 11 9 7 2 0 0 1 5 7 9 69 NO. OF DAYS PRECIPITATION EQUAL 8 8 10 8 5 1 0 0 0 4 6 8 58 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 3 3 3 3 2 0 0 0 0 1 3 3 21 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 78 79 78 72 73 64 59 57 56 67 77 78 70 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 73 68 61 51 45 36 34 33 30 40 55 66 49 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 73 69 64 52 44 33 31 29 29 43 60 68 50 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 20 15 5 0 0 0 0 0 0 0 3 11 54 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 2 1 0 0 0 0 3 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 12 6 1 0 0 0 0 0 0 0 0 5 24 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 8 23 26 10 0 0 0 67 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 28 24 17 2 0 0 0 0 0 1 10 22 104 DATE OF START AND END FREEZING START = 23 OCT. END = 1 MAY IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION PIRANSHAHR LATITUDE 36 42 N DATA PROCESSING CENTER LONGITUDE 45 8 E ELEVATION 1350 MET. MEAN AND EXTREMES FOR THE PERIOD 1972 TO 2000 PAGE 2 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE DRY BULB TEMPERATURE. IN C. -3.0 -0.5 4.3 11.1 16.1 21.7 25.4 25.5 21.5 14.7 7.1 1.5 12.1 AVERAGE DEW POINT TEMPERATURE. IN C. -7.1 -5.5 -1.9 2.3 5.5 7.4 9.5 8.7 4.7 2.8 0.1 -3.9 1.9 AVERAGE OF MIXING RATIO IN G/KG 2.81 3.16 4.04 5.45 6.80 7.84 9.23 8.75 6.54 5.64 4.69 3.51 5.70 AVERAGE OF VAPOUR PRESSURE HPA 3.86 4.33 5.54 7.49 9.35 10.79 12.69 12.05 9.03 7.77 6.44 4.82 7.85 AVERAGE OF SATURATION DEFICIT IN HPA 1.41 1.97 3.25 6.44 10.03 16.67 21.66 22.49 18.27 10.02 4.16 2.45 9.90 AVERAGE RELATIVE HUMIDITY IN PERCENT 75 72 67 59 54 45 42 40 38 50 65 70 56 AVERAGE OF MAXIMUM RELATIVE HUMIDITY(%) 84 83 82 75 74 65 60 57 56 68 81 82 72 AVERAGE OF MINIMUM RELATIVE HUMIDITY(%) 66 61 55 46 40 31 29 28 26 37 52 59 44 NO. OF DAYS PRECIPITATION EQUAL 5 5 5 4 3 0 0 0 0 3 4 5 34 OR MORE THAN 5 MM.