IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 1 STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 MET. AVERAGE OF MEAN DAILY TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. 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AVERAGE OF MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. 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AVERAGE OF MAXIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** 21.7 11.3 4.9 ****** 1975 ****** ****** ****** 9.6 13.6 ****** ****** ****** 16.8 10.4 5.6 5.0 ****** 1976 4.8 3.4 6.8 12.4 19.3 27.6 33.2 30.5 23.8 ****** 7.7 6.9 ****** 1977 3.4 8.3 ****** ****** ****** ****** ****** ****** ****** ****** 12.6 4.5 ****** 1978 3.1 6.1 12.0 19.6 23.3 28.9 30.9 ****** ****** 22.9 10.1 9.0 ****** 1979 3.7 6.6 10.3 20.9 20.7 28.5 31.8 28.7 27.1 21.8 15.4 3.3 18.2 1980 1.1 2.7 7.1 18.5 23.5 28.8 30.5 31.4 27.4 21.3 9.3 13.8 18.0 1981 3.4 4.6 11.9 17.9 22.7 27.2 30.8 31.2 26.0 18.7 14.0 10.9 18.3 1982 3.6 2.5 8.0 19.8 24.5 30.0 31.1 33.0 27.4 17.2 10.3 3.0 17.5 1983 0.7 0.3 6.2 15.7 23.0 30.6 33.1 33.0 29.3 21.2 16.2 6.1 18.0 1984 2.2 4.5 ****** 18.3 20.5 29.6 30.8 32.8 27.6 19.9 13.6 5.1 ****** 1985 8.2 7.3 12.1 18.4 23.6 30.3 33.1 29.7 28.9 22.2 14.9 4.3 19.4 1986 2.4 4.9 9.1 16.9 22.1 28.8 31.5 30.0 27.0 22.8 10.9 3.3 17.5 1987 2.2 5.6 8.9 17.5 26.1 30.4 31.5 31.2 28.8 17.6 15.0 8.6 18.6 1988 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1989 -1.2 1.0 9.9 18.0 22.3 31.1 33.9 32.9 29.4 24.5 15.2 6.2 18.6 1990 0.5 3.3 11.6 18.1 ****** ****** 32.0 33.6 30.0 22.2 17.7 9.8 ****** 1991 4.7 4.8 10.8 18.7 22.9 29.1 33.4 32.6 28.8 19.7 14.8 3.9 18.7 1992 -3.4 1.1 5.1 15.5 21.2 28.3 31.9 29.7 25.8 21.3 14.8 6.3 16.5 1993 -1.5 2.5 8.7 16.0 19.8 28.4 31.8 31.4 27.8 14.4 11.4 12.0 16.9 1994 6.1 7.4 11.1 18.9 22.8 29.4 34.0 33.7 25.2 19.6 12.7 5.7 18.9 1995 8.7 8.1 12.6 17.1 21.7 27.9 33.7 33.3 27.8 20.5 15.6 3.5 19.2 1996 -0.3 7.3 7.7 16.9 24.7 30.2 30.7 31.8 29.6 22.1 14.1 10.3 18.8 1997 5.0 5.8 9.4 16.4 22.6 29.0 35.0 33.7 28.3 21.9 11.7 4.2 18.6 1998 -0.0 3.6 10.9 20.0 24.1 29.7 32.9 31.9 28.7 22.7 18.1 15.3 19.8 1999 6.3 9.6 11.4 18.8 26.3 31.5 32.2 31.8 30.2 23.5 14.0 ****** ****** 2000 ****** ****** ****** ****** ****** ****** ****** 32.6 28.9 21.3 11.6 5.7 ****** 2001 5.0 5.8 15.7 21.7 25.0 30.9 33.2 32.0 28.3 23.0 14.0 8.2 20.2 2002 ****** 6.8 14.4 16.5 24.1 29.4 32.4 33.3 30.1 24.7 13.6 6.2 ****** 2003 ****** 6.6 12.1 18.6 23.1 30.2 34.6 32.6 29.0 23.4 15.0 8.7 ****** MEAN 2.9 5.0 10.2 17.6 22.6 29.4 32.4 31.9 27.6 20.8 13.2 7.0 18.4 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 4 STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 MET. DIFFERENCE BETWEEN AVERAGE MAXIMUM AND MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** 16.8 ****** 17.3 ****** 1975 ****** ****** ****** 7.1 5.8 ****** ****** ****** 9.2 8.6 10.3 12.3 ****** 1976 11.6 11.4 12.7 10.4 15.3 15.8 17.9 18.5 14.6 ****** 10.8 10.9 ****** 1977 15.7 12.1 ****** ****** ****** ****** ****** ****** ****** ****** ****** 11.8 ****** 1978 13.6 12.2 11.9 16.2 17.6 21.4 20.0 ****** ****** 21.9 13.5 12.1 ****** 1979 11.4 12.1 14.9 16.0 12.1 15.3 15.2 17.2 20.2 18.9 19.5 11.0 15.3 1980 12.2 13.0 11.2 13.5 16.3 18.5 18.4 19.4 22.0 19.3 14.3 13.3 15.9 1981 ****** 10.5 12.6 15.3 17.1 18.2 18.3 20.3 20.9 17.4 15.7 16.2 ****** 1982 12.8 15.9 13.0 16.9 15.4 18.5 18.9 21.2 20.5 13.7 13.8 12.0 16.0 1983 12.8 13.0 14.2 16.6 15.8 20.1 20.5 20.7 22.8 22.8 19.0 12.9 17.6 1984 14.2 13.8 ****** 16.9 15.6 21.3 20.3 22.3 22.5 21.2 16.4 11.8 ****** 1985 15.8 15.8 16.2 17.6 18.9 21.4 21.0 18.9 22.7 22.2 16.7 13.1 18.4 1986 14.3 13.2 13.2 15.0 16.1 19.8 18.5 19.3 21.3 19.7 13.0 15.1 16.5 1987 14.7 14.9 11.0 16.3 18.4 20.9 19.8 19.2 21.2 14.6 17.2 14.7 16.9 1988 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1989 11.9 14.8 13.2 15.7 15.1 22.0 21.5 19.8 23.0 22.4 17.8 14.4 17.6 1990 14.2 14.9 15.5 17.6 ****** ****** 21.8 24.2 25.7 ****** ****** 19.5 ****** 1991 13.5 13.8 14.3 17.4 19.7 22.0 22.2 22.1 21.9 16.9 16.9 13.0 17.8 1992 14.8 14.6 12.7 14.3 15.6 18.6 17.9 17.6 19.9 21.0 16.8 11.8 16.3 1993 13.4 13.0 13.1 13.9 13.9 19.7 18.0 19.2 20.0 13.2 12.9 18.2 15.7 1994 13.1 15.0 14.6 17.4 18.1 22.2 21.2 22.1 21.0 18.2 14.3 14.3 17.6 1995 16.0 13.1 15.6 15.7 15.4 18.3 20.8 20.8 19.7 18.8 18.6 11.8 17.0 1996 10.9 10.6 9.4 14.5 17.8 20.2 17.5 19.5 21.7 19.7 16.3 14.7 16.1 1997 14.1 15.1 13.8 15.0 16.4 18.8 20.5 20.2 20.8 17.5 11.2 12.2 16.3 1998 11.9 11.7 12.0 16.4 16.9 18.7 18.5 18.3 19.7 19.7 20.3 18.4 16.9 1999 11.7 14.6 14.5 16.3 19.6 21.8 18.6 18.3 22.1 20.1 15.5 ****** ****** 2000 ****** ****** ****** ****** ****** ****** ****** 20.0 20.1 18.9 13.5 11.8 ****** 2001 14.6 13.8 17.7 19.6 18.5 20.5 19.3 19.5 20.1 17.7 16.2 11.6 17.4 2002 ****** 13.6 16.6 12.9 18.6 19.8 19.9 20.6 20.5 20.2 14.1 10.7 ****** 2003 ****** 12.5 14.5 14.7 17.2 20.4 19.5 19.9 20.9 18.4 16.8 12.7 ****** MEAN 13.4 13.4 13.7 15.4 16.3 19.8 19.4 20.0 20.6 18.5 15.4 13.6 16.6 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 5 STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** 2.92 5.26 3.24 ****** 1975 1.37 4.46 ****** 6.00 8.26 ****** ****** ****** 8.32 5.26 3.92 2.94 ****** 1976 2.68 2.91 2.77 4.87 5.45 6.59 6.88 5.50 6.13 ****** 3.30 3.24 ****** 1977 2.10 3.33 ****** ****** ****** ****** ****** ****** ****** ****** 4.33 2.59 ****** 1978 2.11 2.58 4.04 4.35 5.38 6.48 6.54 ****** ****** 3.43 3.38 3.13 ****** 1979 2.60 2.90 2.93 4.53 6.32 7.43 7.61 5.79 4.51 4.22 2.96 2.54 4.53 1980 2.01 2.20 3.04 4.88 5.45 6.33 6.54 6.05 3.86 3.59 2.84 3.76 4.21 1981 2.04 2.77 3.79 4.39 5.03 5.44 5.68 5.94 4.54 3.96 3.69 2.84 4.18 1982 2.24 1.81 2.78 4.74 6.26 5.11 5.45 5.25 4.57 5.30 3.64 2.53 4.14 1983 2.16 1.95 2.56 4.20 6.55 6.49 6.91 6.49 5.16 3.16 3.05 2.59 4.27 1984 2.00 2.50 ****** 4.14 5.08 6.29 5.61 6.55 4.61 3.33 3.80 2.92 ****** 1985 2.77 2.53 3.65 4.43 5.48 5.82 6.19 5.83 3.94 3.03 3.68 2.58 4.16 1986 2.07 2.56 3.22 5.26 6.09 6.00 6.58 5.49 3.95 4.00 3.75 2.05 4.25 1987 2.01 2.49 3.84 4.41 5.34 5.78 6.14 5.86 5.21 4.70 3.31 2.73 4.32 1988 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1989 1.75 1.76 3.27 4.92 5.58 5.64 6.97 6.13 5.53 3.87 3.65 2.56 4.30 1990 1.77 2.14 3.39 4.19 ****** ****** 8.55 6.04 4.28 3.73 3.18 2.27 ****** 1991 2.56 2.53 3.60 4.34 4.50 5.58 6.43 4.83 4.69 4.81 3.33 2.26 4.12 1992 1.21 1.61 2.62 4.73 5.24 5.33 7.18 6.14 3.79 3.22 2.85 2.41 3.86 1993 1.35 2.06 3.11 4.48 5.71 5.61 7.11 7.65 5.27 3.42 3.29 2.33 4.28 1994 2.32 2.13 3.38 4.38 5.24 5.96 7.90 7.21 4.82 4.82 3.96 2.21 4.53 1995 2.39 2.64 2.97 4.33 6.20 6.86 9.13 7.29 4.92 3.79 2.75 2.07 4.61 1996 1.81 3.30 3.73 4.56 6.06 6.12 7.21 6.07 5.04 3.58 3.08 2.57 4.43 1997 1.84 1.87 2.61 4.24 5.62 6.99 6.92 5.75 4.29 4.10 4.02 2.28 4.21 1998 1.65 2.39 3.51 4.57 6.22 7.53 8.47 8.51 5.71 4.32 3.10 3.14 4.93 1999 2.73 2.80 3.18 4.26 4.60 5.63 8.23 6.74 4.02 3.89 3.68 2.65 4.37 2000 2.21 1.67 2.82 3.99 4.80 5.71 8.42 4.89 4.31 4.01 3.36 2.65 4.07 2001 1.92 2.39 3.38 4.12 5.25 5.92 6.17 5.65 3.89 4.52 3.19 3.17 4.13 2002 ****** 2.48 3.10 4.56 4.67 6.23 7.34 5.48 4.25 4.16 3.41 3.07 ****** 2003 ****** 2.58 3.30 4.60 4.86 6.08 7.21 6.19 4.40 4.10 3.27 2.77 ****** MEAN 2.07 2.48 3.23 4.54 5.59 6.12 7.06 6.14 4.78 3.98 3.49 2.70 4.34 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 6 STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** 2.88 5.43 5.52 ****** 1975 3.28 5.69 ****** 7.68 8.71 ****** ****** ****** 11.82 6.89 4.99 4.04 ****** 1976 4.02 3.50 4.35 5.00 6.21 6.51 7.37 7.74 6.66 ****** 4.55 4.61 ****** 1977 3.44 4.65 ****** ****** ****** ****** ****** ****** ****** ****** 4.07 3.78 ****** 1978 3.17 3.64 3.91 4.79 4.63 6.60 6.83 ****** ****** 4.13 4.39 4.11 ****** 1979 2.92 3.89 4.15 4.74 5.52 7.07 7.38 6.68 5.77 5.55 4.45 3.15 5.10 1980 2.77 2.95 3.76 4.43 5.78 5.88 6.86 6.33 5.43 6.64 4.04 5.15 5.00 1981 3.08 3.16 4.06 4.89 5.09 6.21 6.46 7.68 6.20 5.05 4.41 3.79 5.01 1982 3.02 2.76 3.16 5.12 6.24 6.55 6.06 7.46 6.10 6.39 4.90 3.38 5.09 1983 3.16 3.15 3.69 4.94 6.58 7.17 7.25 7.80 6.90 4.43 4.39 4.03 5.29 1984 3.49 3.79 ****** 4.42 4.06 5.24 5.34 7.61 6.01 3.83 4.30 3.98 ****** 1985 4.50 3.71 4.81 4.40 5.60 5.77 7.28 6.98 5.32 4.23 5.11 3.65 5.11 1986 3.25 3.82 4.07 5.94 5.49 5.33 6.48 5.91 5.04 5.34 4.62 3.69 4.92 1987 2.97 3.47 4.47 4.68 6.36 7.69 7.42 6.32 6.95 5.80 5.54 4.33 5.50 1988 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1989 2.69 2.53 4.30 4.87 5.66 7.19 6.66 7.25 8.75 7.72 4.91 3.71 5.52 1990 2.98 3.33 4.47 4.46 ****** ****** 5.92 4.06 3.13 3.43 3.41 3.65 ****** 1991 4.02 3.95 4.41 3.98 4.94 6.19 6.45 5.50 5.12 4.64 4.51 3.95 4.80 1992 1.91 2.60 3.68 4.81 5.58 6.77 7.63 6.76 5.51 4.10 4.20 3.66 4.77 1993 2.47 3.23 4.59 5.50 6.54 7.98 7.43 7.02 5.20 4.08 4.14 4.39 5.21 1994 3.57 3.88 4.58 5.14 5.99 6.95 7.23 6.70 5.54 5.29 5.83 3.89 5.38 1995 4.37 4.02 4.55 4.87 6.25 7.03 6.44 7.02 5.55 5.13 3.91 3.17 5.19 1996 2.73 4.23 4.23 3.92 5.37 5.59 7.18 7.00 5.30 4.17 3.41 3.76 4.74 1997 3.22 3.30 3.91 4.06 4.86 6.03 6.30 6.88 4.98 4.88 4.50 3.27 4.68 1998 3.68 3.57 4.75 5.08 5.53 8.12 8.57 8.16 7.01 6.19 5.04 4.37 5.84 1999 4.01 3.93 4.31 4.50 6.40 6.18 7.12 6.77 5.93 4.68 4.14 4.16 5.18 2000 4.12 3.46 3.44 4.49 5.38 6.20 6.38 6.40 5.66 4.85 4.44 3.96 4.90 2001 3.48 3.81 3.81 4.17 5.10 6.16 6.56 6.66 5.86 4.62 4.08 4.24 4.88 2002 ****** 3.81 4.06 4.39 4.91 6.13 6.67 6.80 6.18 4.46 4.27 4.20 ****** 2003 ****** 4.23 4.40 4.89 4.90 6.63 7.40 6.69 5.58 4.56 4.49 4.42 ****** MEAN 3.32 3.65 4.16 4.83 5.68 6.53 6.88 6.81 6.06 4.97 4.50 4.01 5.11 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 7 STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** 3.22 5.16 3.32 ****** 1975 2.33 4.22 ****** 5.80 8.41 ****** ****** ****** 8.48 5.43 4.52 3.40 ****** 1976 3.90 3.09 4.17 4.78 6.10 5.68 6.87 6.77 5.76 ****** 4.19 4.22 ****** 1977 2.82 4.34 ****** ****** ****** ****** ****** ****** ****** ****** 3.80 3.48 ****** 1978 3.18 3.74 4.37 4.93 3.91 6.01 6.31 ****** ****** 4.07 3.91 3.87 ****** 1979 2.85 3.36 4.08 4.32 5.46 6.99 6.94 6.83 5.86 5.19 4.04 2.87 4.90 1980 2.56 2.95 3.69 4.55 5.34 5.82 6.09 6.00 5.50 5.30 3.48 4.56 4.66 1981 2.71 2.92 3.80 4.54 4.83 5.96 6.88 7.07 5.57 4.72 3.99 3.06 4.67 1982 2.77 2.59 2.87 4.62 5.87 6.30 6.11 7.09 5.46 6.20 4.48 3.28 4.80 1983 2.52 2.48 3.66 4.60 6.37 6.90 7.31 7.17 6.64 4.07 3.93 3.43 4.92 1984 3.00 3.46 ****** 4.72 3.91 5.02 5.36 7.14 5.82 3.87 4.47 3.47 ****** 1985 4.05 3.34 4.07 4.02 5.24 5.49 6.77 6.66 4.98 3.98 4.41 3.29 4.69 1986 2.82 3.28 3.73 5.55 5.55 5.26 6.10 5.59 4.86 4.63 4.40 3.24 4.58 1987 2.78 3.19 4.01 4.50 5.78 6.99 7.21 6.21 6.18 5.33 4.95 4.18 5.11 1988 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1989 2.38 2.50 4.03 4.47 5.14 5.84 6.54 6.35 8.43 7.03 4.76 3.48 5.08 1990 2.27 3.17 4.78 4.42 ****** ****** 5.16 3.95 6.14 3.44 3.35 3.61 ****** 1991 3.86 3.57 4.52 3.71 4.31 5.39 5.38 5.19 4.92 4.39 4.50 3.15 4.41 1992 1.81 2.76 3.75 4.45 5.31 6.20 6.77 6.54 5.64 4.20 3.99 3.42 4.57 1993 2.27 3.07 4.24 5.28 6.31 7.94 7.50 6.72 5.43 4.22 4.17 4.25 5.12 1994 3.63 3.59 4.37 5.57 7.21 6.42 6.48 6.02 5.41 5.00 5.76 3.75 5.27 1995 4.50 3.87 4.40 5.42 6.51 7.11 6.17 6.76 5.51 4.63 3.65 3.18 5.14 1996 2.44 4.11 4.41 4.66 5.47 5.60 6.56 6.86 4.83 3.90 3.00 3.61 4.62 1997 2.90 3.12 3.89 4.08 4.90 5.96 6.06 6.60 4.68 4.73 4.26 3.33 4.54 1998 2.85 3.58 6.17 5.44 5.20 7.21 7.99 8.04 6.96 5.90 4.95 4.36 5.72 1999 3.89 4.29 4.26 4.20 4.85 5.36 6.03 6.44 5.11 4.40 4.28 4.40 4.79 2000 3.75 2.82 3.89 4.29 4.75 5.58 5.93 6.62 5.56 5.01 4.49 4.20 4.74 2001 3.38 3.96 4.20 4.18 4.97 5.50 6.16 6.19 5.73 4.96 4.27 4.35 4.82 2002 ****** 3.95 4.11 4.45 4.51 5.23 5.94 6.27 5.70 4.30 4.54 4.42 ****** 2003 ****** 4.28 4.40 4.83 4.58 5.68 6.63 5.94 5.24 4.51 4.48 4.58 ****** MEAN 3.01 3.42 4.16 4.69 5.42 6.06 6.44 6.45 5.79 4.70 4.29 3.72 4.84 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 8 STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 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 1974 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** 4.0 19 ***** ** -28.0 29 ***** 1975 -23.0 1 -6.8 5 ***** ** -4.0 2 5.0 1 ***** ** ***** ** ***** ** 6.0 11 -4.0 30 -11.0 28 -13.2 31 ***** 1976 -14.0 31 -15.0 28 -11.0 2 -4.0 1 2.0 1 8.2 3 12.2 5 10.0 10 6.0 21 ***** ** -5.8 20 -8.5 29 ***** 1977 -19.2 14 -7.8 3 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** -19.0 29 ***** 1978 -19.0 17 -14.5 1 -6.0 4 1.0 1 3.0 5 0.5 3 6.5 17 ***** ** ***** ** -3.0 11 -9.5 25 -10.5 18 ***** 1979 -19.5 28 -19.0 1 -12.5 5 -3.0 30 1.5 2 9.5 21 13.0 14 1.5 31 3.5 30 -2.5 31 -11.5 21 -18.5 29 -19.5 1980 -23.5 2 -21.5 3 -16.0 7 -2.5 17 1.5 1 6.5 1 9.0 2 9.0 31 -9.0 9 -3.5 31 -10.5 14 -5.5 21 -23.5 1981 ***** ** -17.5 13 -10.0 5 -5.5 2 -1.0 3 4.5 6 8.0 31 8.0 1 -2.5 26 -2.5 31 -8.5 24 -8.0 9 ***** 1982 -15.5 22 -22.0 20 -13.0 6 -5.5 1 7.5 8 9.0 3 10.5 21 7.0 29 2.0 26 0.0 22 -9.5 29 -14.0 16 -22.0 1983 -24.5 29 -27.0 3 -17.5 8 -5.0 2 2.5 7 6.5 3 11.0 6 5.0 30 3.0 26 -5.0 22 -7.0 17 -12.5 23 -27.0 1984 -23.0 23 -19.5 1 ***** ** -3.0 27 0.5 11 5.0 4 7.5 1 6.5 29 -0.5 30 -8.5 21 -6.5 8 -12.5 8 ***** 1985 -14.0 8 -14.0 7 -12.0 10 -3.5 4 1.0 5 4.5 4 7.0 28 7.5 29 1.5 28 -5.5 22 -5.0 1 -17.0 25 -17.0 1986 -17.5 25 -13.5 17 -7.5 1 -4.5 2 2.5 1 4.0 2 11.0 10 7.5 12 2.5 11 -1.5 31 -8.5 27 -18.0 24 -18.0 1987 -20.5 9 -16.5 14 -7.0 28 -6.5 6 5.0 1 7.0 1 9.5 1 9.0 30 3.5 29 -5.5 12 -9.5 30 -11.5 1 -20.5 1988 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1989 -22.5 8 -22.5 6 -8.5 1 -5.5 1 3.5 1 7.0 9 9.5 18 11.0 18 2.5 18 -1.0 23 -6.0 24 -15.0 8 -22.5 1990 -23.5 12 -20.0 13 -14.0 1 -5.5 9 ***** ** ***** ** 7.5 4 6.5 21 1.5 30 ***** ** ***** ** -18.5 28 ***** 1991 -14.5 17 -16.0 14 -8.5 8 -3.5 13 -2.5 4 2.0 1 8.0 14 6.5 28 2.5 28 -1.0 31 -6.5 27 -21.5 30 -21.5 1992 -26.0 5 -24.0 14 -19.0 1 -7.0 2 1.0 12 6.0 6 10.0 12 9.0 13 1.0 30 -5.0 30 -11.5 27 -14.0 31 -26.0 1993 -21.0 23 -23.0 18 -10.5 23 -4.5 1 1.0 1 5.5 4 10.5 14 10.5 11 4.5 28 -1.5 8 -8.5 30 -10.0 13 -23.0 1994 -15.5 28 -14.0 20 -11.5 1 -4.0 3 1.0 2 4.5 5 8.0 1 9.0 26 -0.5 22 -2.5 13 -6.5 18 -16.0 8 -16.0 1995 -12.5 21 -9.5 26 -8.0 28 -4.5 7 0.5 10 5.0 1 7.0 2 10.5 13 3.5 30 -2.5 21 -12.0 29 -15.0 14 -15.0 1996 -20.0 22 -11.0 6 -7.5 10 -3.0 7 4.5 22 4.0 7 10.0 20 9.0 4 5.5 19 -1.5 20 -7.5 13 -9.0 12 -20.0 1997 -21.5 20 -18.5 8 -11.0 9 -9.5 11 0.0 6 6.0 5 10.5 6 9.0 30 5.5 28 -1.5 27 -4.0 29 -18.6 24 -21.5 1998 -21.2 17 -15.8 3 -10.5 4 -2.0 25 1.0 2 7.5 3 12.0 5 11.0 8 6.5 6 -0.5 27 -5.0 17 -8.5 23 -21.2 1999 -13.0 27 -14.0 7 -8.0 9 -2.5 15 3.5 2 5.5 7 9.5 28 11.0 1 4.0 26 -1.0 23 -10.2 30 -9.4 22 -14.0 2000 -20.5 31 -21.5 11 -9.5 4 -11.0 6 2.0 4 6.5 15 10.5 21 9.5 21 6.0 27 -2.0 29 -7.5 28 -17.0 17 -21.5 2001 -23.2 29 -18.2 1 -6.4 1 -4.0 16 2.5 1 6.0 1 9.0 30 9.5 1 5.5 25 2.0 8 -9.5 20 -9.2 18 -23.2 2002 ***** ** -16.5 5 -8.8 11 -2.2 4 0.0 5 5.0 4 9.5 1 9.5 29 7.0 16 0.5 23 -6.5 30 -15.5 23 ***** 2003 ***** ** -20.2 1 -9.6 2 -4.0 2 1.0 9 5.5 7 9.5 2 10.5 12 4.5 20 2.0 24 -8.0 23 -12.5 14 ***** LOW. -26.0 5 -27.0 3 -19.0 1 -11.0 6 -2.5 4 0.5 3 6.5 17 1.5 31 -9.0 9 -8.5 21 -12.0 29 -28.0 29 -28.0 YEAR 1992 1983 1992 2000 1991 1978 1978 1979 1980 1984 1995 1974 1974 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 9 STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 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 1974 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** 29.0 4 18.0 1 18.5 1 ***** 1975 ***** ** ***** ** ***** ** 14.2 17 16.0 29 ***** ** ***** ** ***** ** 19.0 14 16.0 3 9.0 20 9.0 21 ***** 1976 8.0 3 8.0 15 9.8 30 17.0 25 22.0 31 32.0 30 35.8 31 34.2 3 29.2 2 ***** ** 12.0 1 10.0 2 ***** 1977 7.2 7 12.8 21 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** 15.5 9 12.5 4 ***** 1978 9.0 8 12.5 18 17.5 25 22.5 7 29.5 27 33.5 29 34.0 1 ***** ** ***** ** 33.0 6 15.5 1 14.5 2 ***** 1979 11.5 2 13.0 28 15.5 19 26.0 21 26.5 29 32.0 28 34.0 10 32.0 1 31.0 12 25.5 8 20.5 9 12.5 4 34.0 1980 9.5 30 8.5 25 16.5 31 24.5 23 27.0 26 32.5 22 33.5 30 33.5 20 31.5 9 28.0 6 14.5 7 17.5 6 33.5 1981 8.5 26 9.5 8 17.5 20 24.0 22 28.5 27 31.5 24 34.0 4 33.5 18 30.0 20 24.5 5 18.0 1 13.0 7 34.0 1982 9.5 4 7.0 12 12.5 24 24.5 23 29.0 19 33.0 12 34.5 30 36.0 4 30.5 1 21.5 1 16.5 20 8.5 23 36.0 1983 7.5 2 7.0 20 14.0 29 21.0 17 26.5 15 32.5 16 35.0 25 35.5 8 33.5 3 26.5 3 22.0 2 15.5 1 35.5 1984 8.5 4 13.0 13 ***** ** 22.5 19 25.5 27 32.5 14 32.5 19 35.5 17 31.5 1 25.5 3 18.5 1 14.0 1 ***** 1985 13.0 27 12.5 20 19.5 23 23.0 19 30.0 30 34.0 24 35.5 26 33.0 1 31.0 5 26.5 1 20.0 2 12.0 1 35.5 1986 7.5 4 12.0 28 16.0 30 23.0 18 27.5 31 34.5 28 34.5 1 32.0 4 29.5 27 27.0 3 18.5 2 9.5 2 34.5 1987 8.5 31 9.5 28 13.5 10 24.5 30 32.0 13 32.5 7 34.0 23 33.0 16 32.5 7 26.0 2 25.5 17 14.5 20 34.0 1988 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1989 9.0 1 7.5 28 15.5 25 23.0 16 31.0 31 35.5 22 37.5 12 37.5 3 33.5 4 29.0 8 18.5 1 17.0 1 37.5 1990 6.0 1 9.5 19 16.5 12 24.5 27 ***** ** ***** ** 34.5 1 36.0 17 32.0 5 26.5 1 22.0 5 17.0 7 ***** 1991 10.0 22 11.0 26 17.5 19 24.0 24 28.0 30 31.5 6 36.0 9 36.0 8 33.5 4 23.5 11 20.0 4 9.5 12 36.0 1992 3.0 2 7.0 22 14.0 30 21.0 13 31.0 28 33.5 30 36.0 5 33.5 6 29.0 14 25.5 3 20.0 20 13.0 2 36.0 1993 5.5 8 8.5 28 15.5 30 23.0 19 26.5 28 32.5 30 34.0 16 34.5 16 31.0 4 20.0 1 17.0 14 16.5 19 34.5 1994 15.5 2 13.5 12 16.5 16 24.5 24 28.0 31 32.0 21 36.5 24 37.0 6 32.0 3 28.5 8 19.0 3 10.5 2 37.0 1995 11.0 29 13.0 21 18.0 25 21.5 30 25.0 19 31.5 13 36.5 17 35.0 6 33.5 1 26.0 1 20.0 8 11.5 2 36.5 1996 8.0 5 14.0 9 16.0 31 22.5 25 30.5 31 33.5 16 32.5 2 35.0 22 32.5 11 28.5 1 21.0 1 15.5 6 35.0 1997 12.5 10 15.0 21 16.5 2 24.0 26 28.5 28 32.0 16 37.5 14 36.5 1 31.0 1 26.5 4 18.0 3 11.0 8 37.5 1998 6.5 25 8.5 11 20.0 28 26.0 15 30.0 28 32.0 14 37.0 11 35.0 19 32.5 3 28.0 1 21.0 17 20.6 18 37.0 1999 11.0 6 14.5 25 18.5 31 24.0 27 31.0 31 34.0 28 36.5 9 33.0 15 33.5 27 31.0 1 19.0 19 ***** ** ***** 2000 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** 35.0 3 32.5 1 28.0 18 19.5 2 9.5 1 ***** 2001 12.5 15 16.5 28 21.5 31 25.0 25 30.0 15 35.0 30 37.0 14 34.5 7 31.5 10 27.5 2 21.5 4 14.0 28 37.0 2002 ***** ** 13.0 27 21.0 13 25.0 28 30.5 31 33.5 29 35.0 19 35.5 10 32.5 2 31.0 29 25.5 1 11.0 7 ***** 2003 ***** ** 14.5 18 19.0 25 24.5 6 26.5 18 34.0 23 36.0 11 35.5 1 31.5 2 29.0 29 21.5 1 14.5 18 ***** HIG. 15.5 2 16.5 28 21.5 31 26.0 21 32.0 13 35.5 22 37.5 12 37.5 3 33.5 3 33.0 6 25.5 17 20.6 18 37.5 YEAR 1994 2001 2001 1979 1987 1989 1989 1989 1983 1978 1987 1998 1989 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 10 STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 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 1974 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** 0.0 ** 0.0 ** 18.0 6 ***** 1975 15.0 20 7.0 26 ***** ** 8.0 1 5.0 7 ***** ** ***** ** ***** ** 0.0 ** 0.0 ** 20.0 10 15.0 29 ***** 1976 24.0 11 10.0 15 9.0 9 10.0 5 12.0 22 0.0 ** 0.0 ** 0.0 ** 0.0 ** ***** ** 4.0 2 5.0 18 ***** 1977 13.0 15 10.0 6 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** 26.0 12 35.0 14 ***** 1978 17.0 21 20.0 23 38.3 10 3.7 3 3.5 2 0.0 ** 0.0 ** ***** ** ***** ** 5.0 31 10.0 1 59.0 6 ***** 1979 28.0 23 18.0 9 13.0 27 5.0 15 13.5 8 4.0 4 0.0 ** 0.0 ** 1.0 28 2.5 26 2.5 30 29.0 26 29.0 1980 12.0 22 74.0 11 15.0 14 11.0 4 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 6.5 30 15.5 24 5.0 18 74.0 1981 42.0 12 32.0 21 18.0 27 14.5 17 9.5 1 0.0 ** 0.0 ** 0.0 ** 0.0 ** 3.5 13 29.5 5 4.0 25 42.0 1982 16.0 29 7.0 1 17.0 2 2.0 8 5.0 24 0.0 ** 0.0 ** 0.0 ** 0.0 ** 14.5 29 27.0 9 10.5 6 27.0 1983 25.0 19 2.5 18 13.2 6 12.2 25 6.5 9 0.0 ** 0.0 ** 1.0 10 0.2 16 0.0 ** 4.0 11 13.0 11 25.0 1984 26.0 14 17.0 24 ***** ** 15.5 17 15.0 9 0.0 ** 0.0 ** 0.0 ** 0.0 ** 5.0 19 18.0 12 24.0 4 ***** 1985 6.5 2 20.0 1 10.0 24 3.5 29 14.0 17 0.5 12 0.0 ** 0.0 ** 0.0 ** 0.0 ** 15.5 13 57.0 19 57.0 1986 5.0 27 7.0 10 20.5 8 18.0 29 21.0 4 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.5 23 40.0 30 22.0 20 40.0 1987 7.0 6 17.0 9 30.0 3 14.5 27 5.5 5 0.0 ** 13.0 28 1.5 8 0.0 ** 14.5 26 12.0 3 28.0 24 30.0 1988 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1989 20.0 3 17.5 19 28.0 29 8.0 12 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 16.0 17 50.0 4 50.0 1990 36.0 6 25.0 5 30.0 14 3.0 2 ***** ** ***** ** 0.0 ** 0.0 ** 0.0 ** 2.0 29 5.0 13 7.0 25 ***** 1991 11.0 21 20.0 1 26.0 6 5.0 18 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 24.0 16 6.5 16 37.0 9 37.0 1992 13.0 1 21.0 24 18.0 31 11.5 26 20.0 6 3.0 13 0.0 ** 0.0 ** 0.0 ** 0.0 ** 10.0 9 78.0 15 78.0 1993 41.0 8 34.0 21 32.0 9 49.0 27 8.0 5 0.0 ** 0.0 ** 35.0 24 0.0 ** 0.0 ** 34.0 12 0.0 ** 49.0 1994 14.0 5 36.0 1 37.0 27 14.0 2 4.5 4 0.0 ** 0.0 ** 0.0 ** 0.0 ** 4.0 19 34.5 24 10.0 1 37.0 1995 17.0 12 21.0 5 9.0 18 20.0 22 22.0 30 1.5 1 0.0 ** 0.0 ** 0.5 20 2.5 22 0.0 ** 7.0 12 22.0 1996 21.5 6 13.0 3 48.0 24 17.0 15 2.0 8 2.0 16 0.0 ** 2.0 30 0.0 ** 0.0 ** 1.0 20 8.0 15 48.0 1997 16.5 16 2.5 19 18.0 29 11.0 15 7.0 5 4.0 1 0.0 ** 0.0 ** 0.0 ** 1.0 21 15.0 3 13.5 1 18.0 1998 21.0 5 35.5 9 25.0 1 4.0 28 8.5 14 2.5 19 0.0 ** 3.0 7 0.0 ** 7.0 10 0.0 ** 7.0 4 35.5 1999 13.0 25 25.0 21 16.0 14 5.0 3 1.5 14 0.0 ** 0.0 ** 0.0 ** 0.0 ** 2.0 31 11.5 8 9.5 2 25.0 2000 15.5 28 18.0 25 17.0 25 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.5 6 7.0 7 7.5 18 20.0 1 20.0 2001 20.5 24 7.5 19 19.0 25 0.0 ** 11.5 3 7.0 15 0.0 ** 4.5 13 1.0 24 7.0 29 28.5 18 23.5 5 28.5 2002 ***** ** 10.5 14 25.0 18 22.5 20 30.0 3 0.0 ** 0.5 30 0.0 ** 0.0 ** 0.0 ** 8.0 6 55.0 9 ***** 2003 ***** ** 21.0 14 20.5 26 12.0 17 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 5.5 28 25.5 3 ***** HIG. 42.0 12 74.0 11 48.0 24 49.0 27 30.0 3 7.0 15 13.0 28 35.0 24 1.0 28 24.0 16 40.0 30 78.0 15 78.0 YEAR 1981 1980 1996 1993 2002 2001 1987 1993 1979 1991 1986 1992 1992 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 11 STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 MET. MONTHLY TOTAL PRECIPITATION WITH SEASONAL PERCENT. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL SEASONAL-PERCENT ----------------------- 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** 0.0 0.0 63.0 ****** ***** ***** ***** 100.0 1975 77.0 32.0 ****** 51.0 23.0 ****** ****** ****** 0.0 0.0 29.0 55.0 ****** 40.8 27.7 0.0 31.5 1976 89.0 42.7 62.2 16.3 24.0 0.0 0.0 0.0 0.0 ****** 14.0 19.8 ****** 72.4 15.0 0.0 12.6 1977 29.2 10.0 ****** ****** ****** ****** ****** ****** ****** ****** 37.5 99.0 ****** 22.3 ***** ***** 77.7 1978 41.0 44.4 69.0 7.1 4.3 0.0 0.0 ****** ****** 5.0 21.0 108.5 ****** 51.4 3.8 0.0 44.8 1979 73.0 33.0 18.5 7.0 34.5 4.0 0.0 0.0 1.0 4.0 6.0 73.0 254.0 49.0 17.9 0.4 32.7 1980 42.0 204.0 77.5 35.5 0.0 0.0 0.0 0.0 0.0 6.5 44.2 7.0 416.7 77.6 8.5 0.0 13.8 1981 80.5 80.5 31.0 30.0 14.5 0.0 0.0 0.0 0.0 6.0 41.5 7.5 291.5 65.9 15.3 0.0 18.9 1982 35.0 27.5 59.1 2.0 23.5 0.0 0.0 0.0 0.0 61.5 54.0 29.0 291.6 41.7 8.7 0.0 49.6 1983 64.3 10.5 45.1 28.2 19.5 0.0 0.0 1.4 0.2 0.0 8.2 27.7 205.1 58.5 23.3 0.8 17.5 1984 68.3 40.6 ****** 23.8 25.9 0.0 0.0 0.0 0.0 9.0 37.6 41.0 ****** 44.2 20.2 0.0 35.6 1985 14.5 49.9 29.2 8.0 15.0 0.5 0.0 0.0 0.0 0.0 28.0 107.0 252.1 37.1 9.3 0.0 53.6 1986 9.0 25.5 79.5 79.0 47.5 0.0 0.0 0.0 0.0 0.5 184.5 67.0 492.5 23.1 25.7 0.0 51.2 1987 19.0 40.0 104.0 35.0 7.5 0.0 27.5 2.5 0.0 47.0 12.0 125.5 420.0 38.8 10.1 7.1 43.9 1988 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1989 35.5 34.0 87.5 28.5 0.0 0.0 0.0 0.0 0.0 0.0 48.5 110.0 344.0 45.6 8.3 0.0 46.1 1990 81.5 48.5 61.5 6.5 ****** ****** 0.0 0.0 0.0 2.0 5.0 13.0 ****** 87.8 3.0 0.0 9.2 1991 31.0 42.5 69.5 16.5 0.0 0.0 0.0 0.0 0.0 32.5 12.5 175.0 379.5 37.7 4.3 0.0 58.0 1992 65.0 39.0 40.5 33.0 33.5 3.0 0.0 0.0 0.0 0.0 16.5 122.0 352.5 41.0 19.7 0.0 39.3 1993 56.6 117.2 149.5 93.5 14.5 0.0 0.0 35.0 0.0 0.0 66.7 0.0 533.0 60.7 20.3 6.6 12.5 1994 28.5 55.5 62.7 24.9 11.0 0.0 0.0 0.0 0.0 19.0 135.0 34.5 371.1 39.5 9.7 0.0 50.8 1995 32.5 30.0 26.0 52.5 42.0 2.0 0.0 0.0 0.5 3.5 0.0 27.5 216.5 40.9 44.6 0.2 14.3 1996 40.0 62.5 219.5 45.0 4.5 2.0 0.0 3.5 0.0 0.0 1.0 22.5 400.5 80.4 12.9 0.9 5.9 1997 35.5 2.5 44.5 37.5 13.5 8.5 0.0 0.0 0.0 3.5 53.0 50.0 248.5 33.2 23.9 0.0 42.9 1998 43.5 101.8 64.7 8.5 9.0 3.5 0.0 3.0 0.0 14.5 0.0 18.0 266.5 78.8 7.9 1.1 12.2 1999 33.0 72.5 63.5 13.5 1.5 0.0 0.0 0.0 0.0 5.0 25.5 28.0 242.5 69.7 6.2 0.0 24.1 2000 43.5 49.0 28.0 0.0 0.0 0.0 0.0 0.0 0.5 14.5 26.0 58.4 219.9 54.8 0.0 0.2 45.0 2001 24.5 21.0 37.5 0.0 17.5 15.0 0.0 4.5 1.0 14.0 41.5 116.5 293.0 28.3 11.1 1.9 58.7 2002 ****** 23.0 65.5 70.0 34.5 0.0 0.5 0.0 0.0 0.0 18.5 111.0 ****** 27.4 32.4 0.2 40.1 2003 ****** 50.5 58.5 64.5 0.0 0.0 0.0 0.0 0.0 0.0 12.5 72.5 ****** 42.2 25.0 0.0 32.9 MEAN 45.9 49.6 66.2 30.3 16.2 1.5 1.1 2.0 0.1 9.2 33.8 61.7 317.6 51.0 15.1 0.9 33.0 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 12 STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 MET. NO. OF DAYS WITH PRECIPITATION YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1974 *** *** *** *** *** *** *** *** *** 0 0 7 *** 1975 8 6 *** 11 6 *** *** *** 0 0 3 7 *** 1976 10 7 11 3 5 0 0 0 0 *** 4 9 *** 1977 5 1 *** *** *** *** *** *** *** *** 3 6 *** 1978 5 7 7 3 2 0 0 *** *** 1 4 6 *** 1979 4 4 4 2 5 1 0 0 1 2 3 8 34 1980 7 9 8 4 0 0 0 0 0 1 5 2 36 1981 8 6 6 6 2 0 0 0 0 3 4 3 38 1982 7 7 8 1 8 0 0 0 0 11 7 6 55 1983 7 6 8 9 7 0 0 2 1 0 3 5 48 1984 5 5 *** 4 3 0 0 0 0 2 6 5 *** 1985 4 8 6 3 2 1 0 0 0 0 6 10 40 1986 4 7 7 9 7 0 0 0 0 1 12 5 52 1987 3 5 11 7 2 0 4 2 0 5 1 7 47 1988 *** *** *** *** *** *** *** *** *** *** *** *** *** 1989 6 6 11 6 0 0 0 0 0 0 7 5 41 1990 9 3 5 3 *** *** 0 0 0 1 1 3 *** 1991 7 4 10 6 0 0 0 0 0 4 2 10 43 1992 9 4 7 4 5 1 0 0 0 0 4 7 41 1993 6 9 9 5 3 0 0 1 0 0 8 0 41 1994 5 3 7 5 4 0 0 0 0 9 10 8 51 1995 4 3 6 7 5 2 0 0 1 2 0 7 37 1996 7 6 14 9 3 1 0 2 0 0 1 5 48 1997 4 1 12 7 4 3 0 0 0 4 7 7 49 1998 5 7 9 3 2 2 0 1 0 3 0 3 35 1999 7 9 6 4 1 0 0 0 0 4 4 5 40 2000 6 6 4 0 0 0 0 0 1 4 5 9 35 2001 3 5 5 0 2 3 0 1 1 3 4 11 38 2002 *** 3 7 6 4 0 1 0 0 0 4 5 *** 2003 *** 7 7 9 0 0 0 0 0 0 3 9 *** MEAN 6 6 8 5 3 1 0 0 0 2 4 6 41 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 13 STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 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 1974 *** *** *** *** *** *** *** *** *** 0 0 7 *** 1975 8 6 *** 11 6 *** *** *** 0 0 3 7 *** 1976 10 7 11 3 5 0 0 0 0 *** 4 9 *** 1977 5 1 *** *** *** *** *** *** *** *** 3 6 *** 1978 5 6 7 2 1 0 0 *** *** 1 4 6 *** 1979 4 4 4 2 5 1 0 0 1 2 3 8 34 1980 7 9 8 4 0 0 0 0 0 1 5 2 36 1981 8 6 6 6 2 0 0 0 0 3 4 3 38 1982 7 7 7 1 8 0 0 0 0 11 7 5 53 1983 7 6 8 7 5 0 0 1 0 0 2 4 40 1984 5 5 *** 4 3 0 0 0 0 2 6 5 *** 1985 3 8 6 3 2 0 0 0 0 0 6 10 38 1986 4 6 7 9 6 0 0 0 0 0 12 5 49 1987 3 5 11 7 2 0 4 2 0 5 1 7 47 1988 *** *** *** *** *** *** *** *** *** *** *** *** *** 1989 6 6 11 6 0 0 0 0 0 0 7 5 41 1990 9 3 5 2 *** *** 0 0 0 1 1 3 *** 1991 7 4 10 6 0 0 0 0 0 4 2 10 43 1992 9 4 7 4 5 1 0 0 0 0 3 7 40 1993 5 9 9 5 3 0 0 1 0 0 8 0 40 1994 5 3 7 4 4 0 0 0 0 9 9 8 49 1995 4 3 6 6 5 1 0 0 0 2 0 7 34 1996 6 6 14 8 3 1 0 2 0 0 1 5 46 1997 4 1 12 7 4 3 0 0 0 3 7 7 48 1998 4 6 9 3 1 2 0 1 0 3 0 3 32 1999 6 9 6 3 1 0 0 0 0 3 4 5 37 2000 6 6 4 0 0 0 0 0 0 4 5 9 34 2001 3 4 5 0 2 3 0 1 1 3 4 11 37 2002 *** 3 7 6 4 0 0 0 0 0 3 5 *** 2003 *** 7 7 9 0 0 0 0 0 0 3 8 *** MEAN 6 5 8 5 3 0 0 0 0 2 4 6 39 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 14 STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 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 1974 *** *** *** *** *** *** *** *** *** 0 0 3 *** 1975 5 0 *** 0 0 *** *** *** 0 0 1 2 *** 1976 4 1 0 1 1 0 0 0 0 *** 0 0 *** 1977 1 1 *** *** *** *** *** *** *** *** 2 4 *** 1978 1 2 2 0 0 0 0 *** *** 0 1 2 *** 1979 3 1 1 0 1 0 0 0 0 0 0 3 9 1980 1 6 4 2 0 0 0 0 0 0 3 0 16 1981 2 3 1 1 0 0 0 0 0 0 1 0 8 1982 1 0 3 0 0 0 0 0 0 2 2 2 10 1983 2 0 1 1 0 0 0 0 0 0 0 2 6 1984 2 2 *** 1 1 0 0 0 0 0 1 1 *** 1985 0 2 1 0 1 0 0 0 0 0 1 2 7 1986 0 0 4 4 2 0 0 0 0 0 7 3 20 1987 0 1 6 1 0 0 1 0 0 2 1 5 17 1988 *** *** *** *** *** *** *** *** *** *** *** *** *** 1989 1 1 3 0 0 0 0 0 0 0 2 3 10 1990 3 3 2 0 *** *** 0 0 0 0 0 0 *** 1991 1 2 2 0 0 0 0 0 0 1 0 7 13 1992 3 2 1 1 1 0 0 0 0 0 1 2 11 1993 1 4 6 3 0 0 0 1 0 0 2 0 17 1994 1 2 2 1 0 0 0 0 0 0 6 1 13 1995 1 1 0 2 1 0 0 0 0 0 0 0 5 1996 1 3 7 1 0 0 0 0 0 0 0 0 12 1997 2 0 1 2 0 0 0 0 0 0 2 2 9 1998 1 4 3 0 0 0 0 0 0 0 0 0 8 1999 1 3 4 0 0 0 0 0 0 0 1 0 9 2000 1 1 1 0 0 0 0 0 0 0 0 2 5 2001 1 0 2 0 1 0 0 0 0 0 1 7 12 2002 *** 1 2 4 1 0 0 0 0 0 0 3 *** 2003 *** 1 2 2 0 0 0 0 0 0 0 4 *** MEAN 2 2 2 1 0 0 0 0 0 0 1 2 10 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 15 STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1974 *** *** *** *** *** *** *** *** *** 20 80 62 *** 1975 56 85 *** 89 83 *** *** *** 86 83 78 79 *** 1976 75 83 77 79 70 56 44 44 61 *** 78 78 *** 1977 84 78 *** *** *** *** *** *** *** *** 81 80 *** 1978 84 77 77 63 49 54 49 *** *** 63 82 77 *** 1979 82 81 79 63 69 60 50 50 53 66 77 83 68 1980 80 81 80 67 60 52 46 47 48 60 79 73 64 1981 79 79 77 64 58 48 42 48 56 69 73 76 64 1982 76 78 70 68 63 42 43 42 49 78 85 86 65 1983 82 85 84 76 70 55 49 48 57 63 68 79 68 1984 81 82 *** 62 61 50 41 50 52 60 76 83 *** 1985 77 78 76 70 61 47 44 47 46 56 74 81 63 1986 79 80 77 79 68 51 48 44 48 60 77 79 66 1987 78 79 76 69 50 47 47 46 52 66 69 73 63 1988 *** *** *** *** *** *** *** *** *** *** *** *** *** 1989 79 77 70 70 53 46 46 46 61 63 76 78 64 1990 78 77 76 65 *** *** 55 43 45 58 67 71 *** 1991 83 80 75 66 52 47 47 40 52 73 72 70 63 1992 76 72 78 72 60 45 48 49 45 58 56 66 60 1993 67 72 72 67 62 50 45 53 52 55 64 66 60 1994 68 65 79 65 56 50 49 49 55 70 74 71 63 1995 73 70 67 68 67 56 61 51 49 64 64 69 63 1996 73 78 80 66 60 48 47 44 52 55 70 69 62 1997 68 68 68 66 59 53 41 40 47 57 75 76 60 1998 84 79 78 65 62 56 54 59 55 66 71 76 67 1999 79 78 78 67 47 44 54 47 41 61 80 79 63 2000 77 71 73 56 47 47 54 36 43 61 75 75 60 2001 73 81 77 66 53 46 41 41 41 59 76 79 61 2002 *** 79 71 69 54 50 50 39 40 59 71 82 *** 2003 *** 77 77 67 55 50 44 44 45 55 72 69 *** MEAN 77 78 76 68 60 50 48 46 51 61 74 75 64 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 16 STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1974 *** *** *** *** *** *** *** *** *** 19 80 68 *** 1975 80 90 *** 87 75 *** *** *** 84 78 80 66 *** 1976 64 65 61 49 37 25 20 24 31 *** 59 63 *** 1977 63 56 *** *** *** *** *** *** *** *** 43 57 *** 1978 57 54 41 30 22 23 22 *** *** 21 49 50 *** 1979 52 54 49 29 32 26 21 24 23 30 36 58 36 1980 60 56 51 31 29 21 22 19 21 36 49 46 37 1981 56 54 40 36 27 24 21 23 26 32 39 42 35 1982 53 55 42 32 30 21 19 21 23 46 54 64 38 1983 69 73 57 40 34 23 20 22 24 25 35 57 40 1984 67 67 *** 30 25 18 17 22 22 25 40 64 *** 1985 58 53 48 30 28 19 21 24 19 23 46 62 36 1986 65 64 52 48 32 19 20 19 20 27 51 65 40 1987 60 52 55 34 27 25 24 20 24 43 46 55 39 1988 *** *** *** *** *** *** *** *** *** *** *** *** *** 1989 67 57 50 35 31 23 19 21 30 36 42 57 39 1990 67 62 47 33 *** *** 18 11 10 19 23 46 *** 1991 66 64 48 27 25 22 18 16 19 31 39 67 37 1992 62 56 57 40 31 24 22 22 23 22 37 53 37 1993 63 60 56 42 39 28 21 21 19 34 42 43 39 1994 49 51 48 32 30 23 19 18 24 32 55 56 36 1995 53 53 43 34 34 27 17 18 20 30 31 54 35 1996 62 58 56 29 24 18 23 20 17 21 30 44 34 1997 52 48 46 30 25 21 15 18 18 25 46 55 33 1998 83 59 50 29 25 26 23 23 24 31 32 35 37 1999 61 47 45 29 25 18 20 19 19 23 36 55 33 2000 60 66 36 25 21 18 17 18 19 27 45 58 34 2001 58 59 31 23 23 19 18 19 21 23 37 55 32 2002 *** 56 34 33 22 20 18 18 19 20 39 58 *** 2003 *** 59 42 31 23 21 18 18 19 21 36 53 *** MEAN 62 59 47 35 30 22 20 20 24 30 44 55 37 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 17 STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1974 *** *** *** *** *** *** *** *** *** 23 78 52 *** 1975 64 85 *** 87 83 *** *** *** 87 82 83 71 *** 1976 70 68 68 54 41 24 25 27 33 *** 64 69 *** 1977 66 62 *** *** *** *** *** *** *** *** 56 64 *** 1978 68 68 56 38 24 26 23 *** *** 31 58 58 *** 1979 61 58 58 34 39 30 23 27 27 39 45 64 42 1980 63 66 59 40 30 22 21 20 26 41 56 51 41 1981 60 59 50 41 32 27 25 24 28 38 46 44 40 1982 57 63 44 35 33 24 22 23 26 58 66 73 44 1983 78 78 70 48 41 26 23 23 29 29 39 61 45 1984 72 74 *** 41 29 20 19 24 27 33 55 71 *** 1985 65 60 54 33 30 21 21 26 21 27 48 72 40 1986 70 67 56 55 41 23 21 22 23 29 57 71 45 1987 65 59 59 42 32 27 28 23 26 47 49 62 43 1988 *** *** *** *** *** *** *** *** *** *** *** *** *** 1989 69 62 55 39 32 23 21 22 35 41 50 64 43 1990 71 72 64 42 *** *** 19 13 24 24 29 53 *** 1991 78 72 60 30 25 22 16 17 21 34 47 62 40 1992 69 70 67 44 36 25 22 25 29 27 40 59 43 1993 65 65 62 48 44 31 27 23 25 42 51 53 45 1994 61 58 55 39 41 24 19 18 26 35 61 64 42 1995 65 61 50 47 44 32 20 20 24 30 33 65 41 1996 67 66 68 43 32 22 24 25 21 27 32 53 40 1997 60 58 62 41 31 25 18 20 21 32 52 66 41 1998 87 72 80 43 29 28 25 27 28 36 39 46 45 1999 72 68 56 34 24 19 21 22 20 28 49 71 40 2000 73 70 53 32 24 20 19 22 24 36 56 78 42 2001 66 76 51 36 32 21 21 22 29 33 54 71 43 2002 *** 73 50 46 33 23 21 21 22 25 55 77 *** 2003 *** 74 57 46 33 24 20 20 22 28 46 69 *** MEAN 68 67 59 43 35 24 22 22 28 35 52 63 43 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 18 STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 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 1974 *** *** *** *** *** *** *** *** *** 0 *** 25 *** 1975 31 9 *** 2 0 *** *** *** 0 1 16 29 *** 1976 27 27 28 2 0 0 0 0 0 *** 11 22 *** 1977 31 17 *** *** *** *** *** *** *** *** *** 25 *** 1978 28 18 4 0 0 0 0 *** *** 0 17 15 *** 1979 22 14 16 0 0 0 0 0 0 0 13 26 91 1980 26 23 17 0 0 0 0 0 1 0 20 1 88 1981 *** 13 7 1 0 0 0 0 0 0 7 24 *** 1982 29 27 14 2 0 0 0 0 0 0 13 26 111 1983 28 23 24 2 0 0 0 0 0 1 9 25 112 1984 30 27 *** 0 0 0 0 0 0 8 12 22 *** 1985 24 24 16 0 0 0 0 0 0 4 3 21 92 1986 29 26 18 1 0 0 0 0 0 0 8 29 111 1987 26 24 10 5 0 0 0 0 0 1 9 26 101 1988 *** *** *** *** *** *** *** *** *** *** *** *** *** 1989 31 28 13 3 0 0 0 0 0 0 8 24 107 1990 31 26 14 3 *** *** 0 0 0 *** *** 19 *** 1991 25 24 15 0 0 0 0 0 0 0 11 24 99 1992 31 26 22 4 0 0 0 0 0 2 9 23 117 1993 29 23 20 1 0 0 0 0 0 0 4 27 104 1994 23 23 14 1 0 0 0 0 0 0 11 26 98 1995 27 17 13 1 0 0 0 0 0 0 11 26 95 1996 27 13 9 0 0 0 0 0 0 0 10 19 78 1997 29 23 18 3 0 0 0 0 0 0 1 25 99 1998 18 22 4 0 0 0 0 0 0 0 6 19 69 1999 22 20 14 0 0 0 0 0 0 0 8 23 87 2000 25 26 11 1 0 0 0 0 0 0 8 19 90 2001 28 24 8 1 0 0 0 0 0 0 7 13 81 2002 *** 19 14 0 0 0 0 0 0 0 7 17 *** 2003 *** 17 10 1 0 0 0 0 0 0 7 16 *** MEAN 27 22 14 1 0 0 0 0 0 1 9 22 96 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 19 STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 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 1974 *** *** *** *** *** *** *** *** *** 0 *** 0 *** 1975 0 0 *** 0 0 *** *** *** 0 0 0 0 *** 1976 0 0 0 0 0 0 0 0 0 *** 0 0 *** 1977 0 0 *** *** *** *** *** *** *** *** *** 0 *** 1978 0 0 0 0 0 0 0 *** *** 0 0 0 *** 1979 0 0 0 0 0 0 0 0 0 0 0 0 0 1980 0 0 0 0 0 0 0 0 0 0 0 0 0 1981 *** 0 0 0 0 0 0 0 0 0 0 0 *** 1982 0 0 0 0 0 0 0 0 0 0 0 0 0 1983 0 0 0 0 0 0 0 0 0 0 0 0 0 1984 0 0 *** 0 0 0 0 0 0 0 0 0 *** 1985 0 0 0 0 0 0 0 0 0 0 0 0 0 1986 0 0 0 0 0 0 0 0 0 0 0 0 0 1987 0 0 0 0 0 0 0 0 0 0 0 0 0 1988 *** *** *** *** *** *** *** *** *** *** *** *** *** 1989 0 0 0 0 0 0 0 0 0 0 0 0 0 1990 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 1 0 0 0 0 0 1 1999 0 0 0 0 0 0 0 0 0 0 0 0 0 2000 0 0 0 0 0 0 0 0 0 0 0 0 0 2001 0 0 0 0 0 0 0 0 0 0 0 0 0 2002 *** 0 0 0 0 0 0 0 0 0 0 0 *** 2003 *** 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 20 STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 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 1974 *** *** *** *** *** *** *** *** *** 0 0 13 *** 1975 *** *** *** 0 0 *** *** *** 0 0 0 1 *** 1976 0 4 0 0 0 0 0 0 0 *** 0 0 *** 1977 5 0 *** *** *** *** *** *** *** *** 0 9 *** 1978 10 3 0 0 0 0 0 *** *** 0 0 0 *** 1979 8 0 0 0 0 0 0 0 0 0 0 10 18 1980 14 8 0 0 0 0 0 0 0 0 0 0 22 1981 6 1 0 0 0 0 0 0 0 0 0 0 7 1982 7 6 0 0 0 0 0 0 0 0 0 3 16 1983 10 13 0 0 0 0 0 0 0 0 0 6 29 1984 11 4 *** 0 0 0 0 0 0 0 0 1 *** 1985 0 0 0 0 0 0 0 0 0 0 0 6 6 1986 10 1 0 0 0 0 0 0 0 0 0 8 19 1987 12 0 0 0 0 0 0 0 0 0 0 0 12 1988 *** *** *** *** *** *** *** *** *** *** *** *** *** 1989 23 14 0 0 0 0 0 0 0 0 0 0 37 1990 11 2 0 0 *** *** 0 0 0 0 0 3 *** 1991 2 3 0 0 0 0 0 0 0 0 0 5 10 1992 20 12 5 0 0 0 0 0 0 0 0 0 37 1993 20 8 0 0 0 0 0 0 0 0 0 0 28 1994 1 0 0 0 0 0 0 0 0 0 0 3 4 1995 0 0 0 0 0 0 0 0 0 0 0 4 4 1996 17 0 0 0 0 0 0 0 0 0 0 0 17 1997 8 2 0 0 0 0 0 0 0 0 0 7 17 1998 15 4 0 0 0 0 0 0 0 0 0 0 19 1999 3 0 0 0 0 0 0 0 0 0 0 *** *** 2000 *** *** *** *** *** *** *** 0 0 0 0 1 *** 2001 7 2 0 0 0 0 0 0 0 0 0 0 9 2002 *** 0 0 0 0 0 0 0 0 0 0 1 *** 2003 *** 2 0 0 0 0 0 0 0 0 0 0 *** MEAN 9 3 0 0 0 0 0 0 0 0 0 3 15 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 21 STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 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 1974 *** *** *** *** *** *** *** *** *** 0 0 0 *** 1975 *** *** *** 0 0 *** *** *** 0 0 0 0 *** 1976 0 0 0 0 0 5 26 18 0 *** 0 0 *** 1977 0 0 *** *** *** *** *** *** *** *** 0 0 *** 1978 0 0 0 0 0 11 23 *** *** 1 0 0 *** 1979 0 0 0 0 0 7 29 8 4 0 0 0 48 1980 0 0 0 0 0 9 27 25 3 0 0 0 64 1981 0 0 0 0 0 4 22 25 1 0 0 0 52 1982 0 0 0 0 0 15 24 25 1 0 0 0 65 1983 0 0 0 0 0 24 31 28 11 0 0 0 94 1984 0 0 *** 0 0 21 28 31 6 0 0 0 *** 1985 0 0 0 0 1 18 28 16 10 0 0 0 73 1986 0 0 0 0 0 9 29 21 0 0 0 0 59 1987 0 0 0 0 1 23 27 29 12 0 0 0 92 1988 *** *** *** *** *** *** *** *** *** *** *** *** *** 1989 0 0 0 0 1 20 31 31 17 0 0 0 100 1990 0 0 0 0 *** *** 31 30 16 0 0 0 *** 1991 0 0 0 0 0 13 31 29 16 0 0 0 89 1992 0 0 0 0 1 12 29 16 0 0 0 0 58 1993 0 0 0 0 0 12 30 26 5 0 0 0 73 1994 0 0 0 0 0 13 30 31 4 0 0 0 78 1995 0 0 0 0 0 9 31 31 9 0 0 0 80 1996 0 0 0 0 1 21 26 29 18 0 0 0 95 1997 0 0 0 0 0 9 30 31 7 0 0 0 77 1998 0 0 0 0 1 17 29 27 10 0 0 0 84 1999 0 0 0 0 2 27 23 31 22 1 0 *** *** 2000 *** *** *** *** *** *** *** 31 10 0 0 0 *** 2001 0 0 0 0 1 22 26 28 12 0 0 0 89 2002 *** 0 0 0 1 13 31 31 17 2 0 0 *** 2003 *** 0 0 0 0 17 31 31 11 0 0 0 *** MEAN 0 0 0 0 0 15 28 26 9 0 0 0 78 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 22 STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 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 1974 *** *** *** *** *** *** *** *** *** 0 0 0 *** 1975 *** *** *** 0 0 *** *** *** 0 0 0 0 *** 1976 0 0 0 0 0 0 0 0 0 *** 0 0 *** 1977 0 0 *** *** *** *** *** *** *** *** 0 0 *** 1978 0 0 0 0 0 0 0 *** *** 0 0 0 *** 1979 0 0 0 0 0 0 0 0 0 0 0 0 0 1980 0 0 0 0 0 0 0 0 0 0 0 0 0 1981 0 0 0 0 0 0 0 0 0 0 0 0 0 1982 0 0 0 0 0 0 0 0 0 0 0 0 0 1983 0 0 0 0 0 0 0 0 0 0 0 0 0 1984 0 0 *** 0 0 0 0 0 0 0 0 0 *** 1985 0 0 0 0 0 0 0 0 0 0 0 0 0 1986 0 0 0 0 0 0 0 0 0 0 0 0 0 1987 0 0 0 0 0 0 0 0 0 0 0 0 0 1988 *** *** *** *** *** *** *** *** *** *** *** *** *** 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 *** 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 *** *** 2000 *** *** *** *** *** *** *** 0 0 0 0 0 *** 2001 0 0 0 0 0 0 0 0 0 0 0 0 0 2002 *** 0 0 0 0 0 0 0 0 0 0 0 *** 2003 *** 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 CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 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 1974 *** *** *** *** *** *** *** *** *** 0 0 0 *** 1975 *** *** *** 0 0 *** *** *** 0 0 0 0 *** 1976 0 0 0 0 0 0 0 0 0 *** 0 0 *** 1977 0 0 *** *** *** *** *** *** *** *** 0 0 *** 1978 0 0 0 0 0 0 0 *** *** 0 0 0 *** 1979 0 0 0 0 0 0 0 0 0 0 0 0 0 1980 0 0 0 0 0 0 0 0 0 0 0 0 0 1981 0 0 0 0 0 0 0 0 0 0 0 0 0 1982 0 0 0 0 0 0 0 0 0 0 0 0 0 1983 0 0 0 0 0 0 0 0 0 0 0 0 0 1984 0 0 *** 0 0 0 0 0 0 0 0 0 *** 1985 0 0 0 0 0 0 0 0 0 0 0 0 0 1986 0 0 0 0 0 0 0 0 0 0 0 0 0 1987 0 0 0 0 0 0 0 0 0 0 0 0 0 1988 *** *** *** *** *** *** *** *** *** *** *** *** *** 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 *** 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 *** *** 2000 *** *** *** *** *** *** *** 0 0 0 0 0 *** 2001 0 0 0 0 0 0 0 0 0 0 0 0 0 2002 *** 0 0 0 0 0 0 0 0 0 0 0 *** 2003 *** 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 CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 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 -------------- 1974 *** *** *** *** *** *** *** *** *** 0 *** 27 *** 12 2 12 31 1975 31 18 *** 7 0 *** *** *** 0 5 26 31 *** 10 23 4 21 1976 28 29 31 6 0 0 0 0 0 *** 27 25 *** 11 4 4 10 1977 31 24 *** *** *** *** *** *** *** *** *** 30 *** 12 1 2 24 1978 31 27 16 0 0 0 0 *** *** 13 24 22 *** 10 10 3 31 1979 29 27 29 1 0 0 0 0 0 5 26 31 148 10 27 4 30 1980 30 28 22 6 0 0 0 0 1 12 28 11 138 9 9 4 20 1981 *** 16 15 2 1 0 0 0 6 11 23 31 *** 9 25 5 3 1982 31 27 31 8 0 0 0 0 0 2 26 30 155 10 22 4 12 1983 29 25 31 20 0 0 0 0 0 25 25 30 185 10 7 4 26 1984 30 28 *** 14 0 0 0 0 3 21 27 31 *** 9 28 4 27 1985 28 26 22 10 0 0 0 0 0 12 24 25 147 10 12 4 26 1986 31 28 27 7 0 0 0 0 0 8 24 31 156 10 24 4 14 1987 31 28 22 13 0 0 0 0 0 4 23 29 150 10 12 4 13 1988 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1989 31 28 25 8 0 0 0 0 0 3 26 29 150 10 23 4 8 1990 31 28 27 15 *** *** 0 0 0 *** *** 20 *** 10 2 4 23 1991 31 27 27 9 5 0 0 0 0 2 24 28 153 10 30 5 24 1992 31 29 31 13 0 0 0 0 0 9 18 28 159 10 9 4 20 1993 31 28 28 10 0 0 0 0 0 9 22 31 159 10 7 4 28 1994 30 27 26 9 0 0 0 0 3 7 19 30 151 9 22 4 13 1995 31 27 26 9 0 0 0 0 0 13 26 31 163 10 14 4 25 1996 30 24 21 9 0 0 0 0 0 13 24 30 151 10 16 4 27 1997 31 26 29 7 1 0 0 0 0 4 14 31 143 10 25 5 6 1998 19 26 10 2 0 0 0 0 0 3 28 24 112 10 26 4 25 1999 26 24 25 6 0 0 0 0 0 3 21 29 134 10 22 4 19 2000 29 29 28 5 0 0 0 0 0 4 23 25 143 10 19 4 6 2001 31 28 23 8 0 0 0 0 0 0 26 27 143 11 1 4 17 2002 *** 26 21 6 1 0 0 0 0 0 18 27 *** 11 3 5 5 2003 *** 25 24 3 0 0 0 0 0 0 20 23 *** 11 3 4 30 MEAN 30 26 25 8 0 0 0 0 1 7 24 27 148 9 9 5 24 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 25 STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 MET. AVERAGE OF DRY BULB TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** 16.3 4.7 -3.7 ****** 1975 -6.5 1.3 ****** 5.6 11.1 ****** ****** ****** 11.7 5.4 1.6 -0.3 ****** 1976 0.1 -1.5 1.4 7.7 13.8 21.0 25.2 22.6 17.5 ****** 2.9 2.1 ****** 1977 -3.3 3.6 ****** ****** ****** ****** ****** ****** ****** ****** 4.9 -0.6 ****** 1978 -3.4 0.0 5.8 12.3 17.5 21.1 23.6 ****** ****** 12.4 3.6 3.1 ****** 1979 -2.0 0.9 3.0 12.9 15.1 21.4 25.4 21.5 18.6 13.1 6.3 -2.4 11.2 1980 -5.0 -3.6 1.8 11.6 16.5 22.1 24.1 24.0 18.4 12.3 2.1 7.3 11.0 1981 -3.3 -1.0 5.8 11.0 15.6 20.4 23.8 23.5 17.4 11.1 7.2 3.4 11.2 1982 -1.8 -4.1 2.4 12.5 17.5 22.7 23.5 24.5 19.2 10.6 3.7 -2.5 10.7 1983 -6.4 -6.9 -0.5 8.6 16.3 22.6 25.4 25.1 19.9 11.8 8.0 0.6 10.4 1984 -4.1 -2.2 ****** 11.1 14.0 22.5 23.7 24.6 19.0 10.9 6.6 -0.5 ****** 1985 1.7 0.5 5.2 11.2 16.4 22.6 25.2 22.5 19.7 12.6 7.3 -1.8 11.9 1986 -3.9 -1.0 3.2 9.9 14.9 21.3 24.2 22.8 18.5 14.6 5.3 -2.9 10.6 1987 -3.8 -0.4 4.1 10.3 18.8 22.6 23.5 23.5 20.5 11.5 7.9 2.4 11.7 1988 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1989 -6.6 -5.2 4.4 11.2 16.3 22.9 25.7 24.4 20.0 14.9 7.5 -0.3 11.3 1990 -6.4 -3.1 4.8 10.8 ****** ****** 24.6 25.3 21.3 13.7 9.5 2.5 ****** 1991 -1.1 -1.2 5.1 11.9 16.1 21.6 25.7 24.3 20.1 12.0 7.4 -1.9 11.7 1992 -10.7 -5.6 -0.3 9.5 15.1 21.8 25.5 22.8 17.9 13.0 8.0 1.0 9.8 1993 -7.4 -2.9 3.5 10.6 14.8 21.6 25.5 24.8 20.0 9.1 6.1 4.5 10.9 1994 0.5 1.1 5.1 12.5 16.8 22.8 27.0 26.4 18.3 13.3 7.4 -0.0 12.6 1995 2.3 2.2 6.0 10.7 15.6 21.3 26.0 26.2 20.4 13.2 8.2 -1.7 12.5 1996 -5.8 2.4 3.2 10.7 18.0 22.9 24.3 24.4 20.9 13.8 7.0 3.4 12.1 1997 -1.9 -0.8 2.8 10.0 16.2 22.4 27.6 26.4 19.9 14.5 6.7 -1.4 11.9 1998 -6.8 -1.8 4.7 13.0 17.7 23.1 26.4 25.0 21.2 14.7 9.9 7.2 12.9 1999 0.3 2.5 4.8 11.8 19.1 23.9 25.3 24.8 21.3 14.8 6.9 1.4 13.1 2000 -0.6 -4.7 4.2 13.5 19.5 24.0 26.3 25.0 20.9 13.2 5.6 0.3 12.3 2001 -1.9 -0.7 6.8 12.2 17.1 23.3 25.5 24.6 19.8 15.0 6.3 2.5 12.5 2002 ****** 0.0 6.4 10.1 15.8 22.0 25.1 25.6 22.3 16.1 6.7 1.2 ****** 2003 ****** 0.8 5.4 11.6 15.5 22.6 27.3 25.3 20.8 15.5 7.8 3.0 ****** MEAN -3.4 -1.1 4.0 10.9 16.2 22.3 25.2 24.4 19.4 12.9 6.3 0.9 11.5 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 26 STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 MET. AVERAGE OF DEW POINT TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** -7.0 1.0 -4.0 ****** 1975 -11.4 -0.7 ****** 3.6 7.8 ****** ****** ****** 9.4 2.3 -1.5 -5.0 ****** 1976 -4.9 -6.1 -3.9 -0.1 2.5 3.5 5.1 4.2 3.3 ****** -2.9 -3.0 ****** 1977 -8.1 -2.6 ****** ****** ****** ****** ****** ****** ****** ****** -3.1 -6.3 ****** 1978 -8.4 -5.9 -2.6 -0.8 -1.0 3.4 4.1 ****** ****** -3.6 -3.4 -4.1 ****** 1979 -8.3 -5.5 -4.1 -1.2 2.2 5.4 5.8 3.9 1.2 0.0 -3.9 -7.8 -1.0 1980 -10.2 -8.9 -5.0 -0.9 1.7 2.9 4.1 3.1 0.0 0.1 -5.1 -1.3 -1.6 1981 -9.3 -7.2 -3.3 -1.0 0.2 2.6 3.5 4.8 1.3 -1.0 -2.9 -5.8 -1.5 1982 -8.4 -10.0 -7.0 -0.4 3.2 2.9 2.6 4.1 1.2 2.5 -2.1 -6.7 -1.5 1983 -9.7 -10.1 -5.8 -1.2 4.0 4.8 5.4 5.4 3.1 -3.3 -3.8 -5.7 -1.4 1984 -8.3 -6.4 ****** -1.7 -1.8 1.8 1.6 5.3 1.1 -4.1 -2.2 -4.9 ****** 1985 -4.2 -6.2 -2.7 -1.9 1.5 2.2 4.5 4.1 -0.4 -3.9 -1.7 -6.5 -1.3 1986 -8.4 -5.9 -4.0 1.7 2.0 1.8 3.8 2.2 -0.8 -0.7 -2.1 -7.4 -1.5 1987 -9.2 -6.9 -2.7 -1.5 2.3 4.7 4.8 3.1 3.0 0.9 -1.2 -4.2 -0.6 1988 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1989 -10.9 -11.0 -3.5 -0.6 1.5 3.4 4.6 4.1 5.8 2.8 -1.6 -6.1 -1.0 1990 -10.7 -7.9 -2.4 -1.9 ****** ****** 3.7 -0.9 -1.5 -4.5 -5.3 -6.4 ****** 1991 -5.1 -5.7 -2.5 -2.8 -0.9 2.1 3.1 0.9 0.0 -0.8 -2.5 -7.6 -1.8 1992 -15.5 -10.8 -5.9 -1.0 1.3 3.1 5.6 4.0 0.1 -3.4 -4.6 -6.4 -2.8 1993 -13.1 -9.3 -3.4 0.3 3.3 5.1 5.8 5.4 1.1 -3.1 -3.4 -4.4 -1.3 1994 -6.7 -6.4 -2.6 0.2 3.0 3.9 5.6 4.4 1.1 0.4 0.2 -6.3 -0.3 1995 -4.2 -4.8 -3.2 -0.4 3.3 4.7 5.3 5.3 1.2 -1.3 -5.0 -8.3 -0.6 1996 -11.1 -3.4 -2.5 -1.8 2.0 2.0 5.1 4.4 0.5 -3.5 -5.9 -5.6 -1.7 1997 -9.2 -8.4 -5.1 -2.5 0.7 3.6 3.9 3.9 -0.6 -1.0 -2.1 -7.5 -2.0 1998 -9.1 -6.5 -1.0 0.3 2.0 6.3 7.7 7.5 4.1 1.3 -1.9 -3.1 0.6 1999 -4.8 -4.4 -3.2 -1.8 0.6 2.1 5.3 4.4 0.2 -1.7 -2.8 -4.1 -0.9 2000 -6.0 -9.7 -5.4 -2.0 -0.1 2.4 4.4 2.6 0.8 -1.0 -3.0 -4.8 -1.8 2001 -8.2 -5.6 -3.5 -2.3 0.5 2.6 3.5 3.3 0.5 -0.6 -3.4 -3.3 -1.4 2002 ****** -5.4 -3.8 -1.3 -0.5 2.6 4.4 3.3 1.3 -1.7 -2.7 -3.6 ****** 2003 ****** -4.5 -2.8 -0.6 -0.2 3.0 5.4 3.6 0.6 -1.4 -2.7 -3.6 ****** MEAN -8.6 -6.7 -3.7 -0.9 1.6 3.3 4.6 3.9 1.4 -1.4 -2.8 -5.3 -1.2 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 27 STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 MET. AVERAGE OF MIXING RATIO IN G/KG YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** 3.01 5.28 4.55 ****** 1975 2.43 4.79 ****** 6.50 8.46 ****** ****** ****** 9.54 5.86 4.48 3.46 ****** 1976 3.53 3.17 3.76 4.88 5.92 6.26 7.04 6.67 6.18 ****** 4.01 4.02 ****** 1977 2.76 4.10 ****** ****** ****** ****** ****** ****** ****** ****** 4.05 3.28 ****** 1978 2.82 3.32 4.10 4.69 4.64 6.37 6.56 ****** ****** 3.93 3.90 3.70 ****** 1979 2.79 3.38 3.72 4.53 5.76 7.16 7.31 6.43 5.38 4.99 3.82 2.86 4.84 1980 2.45 2.72 3.50 4.62 5.52 6.01 6.50 6.13 4.93 5.18 3.45 4.51 4.63 1981 2.61 2.95 3.89 4.61 4.99 5.87 6.34 6.90 5.44 4.58 4.03 3.23 4.62 1982 2.68 2.39 2.94 4.83 6.12 5.98 5.87 6.60 5.38 5.92 4.34 3.06 4.68 1983 2.65 2.53 3.30 4.58 6.50 6.85 7.13 7.15 6.23 3.89 3.79 3.31 4.83 1984 2.87 3.25 ****** 4.43 4.35 5.52 5.44 7.10 5.48 3.68 4.19 3.48 ****** 1985 3.77 3.19 4.17 4.28 5.44 5.68 6.75 6.48 4.75 3.73 4.42 3.17 4.65 1986 2.71 3.22 3.67 5.58 5.71 5.53 6.39 5.66 4.62 4.66 4.26 2.99 4.58 1987 2.59 3.05 4.10 4.53 5.83 6.82 6.92 6.13 6.12 5.28 4.60 3.75 4.98 1988 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1989 2.27 2.26 3.87 4.75 5.46 6.23 6.72 6.58 7.57 6.21 4.44 3.25 4.97 1990 2.34 2.88 4.21 4.36 ****** ****** 6.54 4.69 4.52 3.53 3.31 3.18 ****** 1991 3.48 3.35 4.18 4.01 4.58 5.72 6.09 5.17 4.91 4.61 4.11 3.15 4.45 1992 1.64 2.37 3.35 4.66 5.37 6.10 7.19 6.48 4.98 3.84 3.69 3.18 4.41 1993 2.03 2.79 3.98 5.09 6.19 7.17 7.35 7.13 5.30 3.91 3.86 3.66 4.87 1994 3.17 3.20 4.11 5.03 6.14 6.45 7.20 6.64 5.26 5.04 5.13 3.28 5.05 1995 3.75 3.51 3.97 4.87 6.32 7.00 7.25 7.03 5.33 4.52 3.44 2.81 4.98 1996 2.33 3.88 4.12 4.38 5.63 5.77 6.98 6.64 5.06 3.88 3.16 3.31 4.60 1997 2.65 2.76 3.47 4.13 5.13 6.33 6.43 6.41 4.65 4.57 4.26 2.98 4.48 1998 2.72 3.23 4.81 5.03 5.65 7.62 8.35 8.24 6.56 5.47 4.36 3.95 5.50 1999 3.54 3.67 3.92 4.32 5.28 5.72 7.13 6.65 5.02 4.32 4.03 3.74 4.78 2000 3.36 2.65 3.38 4.25 4.98 5.83 6.91 5.97 5.18 4.62 4.10 3.62 4.57 2001 2.93 3.38 3.80 4.16 5.11 5.86 6.30 6.17 5.16 4.70 3.85 3.92 4.61 2002 ****** 3.41 3.75 4.46 4.70 5.86 6.65 6.18 5.37 4.32 4.07 3.90 ****** 2003 ****** 3.70 4.03 4.79 4.78 6.13 7.08 6.28 5.07 4.39 4.08 3.92 ****** MEAN 2.80 3.18 3.84 4.68 5.56 6.23 6.79 6.46 5.54 4.54 4.09 3.49 4.77 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 28 STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 MET. AVERAGE OF VAPOUR PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** 3.82 6.63 5.71 ****** 1975 3.03 6.00 ****** 8.14 10.62 ****** ****** ****** 11.96 7.35 5.61 4.33 ****** 1976 4.43 3.96 4.72 6.15 7.47 7.95 8.95 8.47 7.83 ****** 5.04 5.05 ****** 1977 3.46 5.15 ****** ****** ****** ****** ****** ****** ****** ****** 5.09 4.12 ****** 1978 3.53 4.16 5.16 5.92 5.89 8.08 8.34 ****** ****** 4.97 4.90 4.65 ****** 1979 3.50 4.24 4.68 5.73 7.29 9.08 9.30 8.17 6.83 6.30 4.81 3.58 6.12 1980 3.06 3.40 4.39 5.83 6.99 7.64 8.27 7.80 6.27 6.54 4.34 5.67 5.85 1981 3.27 3.70 4.89 5.81 6.31 7.45 8.06 8.77 6.90 5.78 5.08 4.06 5.84 1982 3.36 2.99 3.69 6.10 7.75 7.61 7.48 8.40 6.83 7.46 5.45 3.83 5.91 1983 3.32 3.15 4.14 5.77 8.22 8.70 9.07 9.09 7.91 4.92 4.78 4.16 6.10 1984 3.59 4.07 ****** 5.59 5.50 7.02 6.92 9.03 6.95 4.65 5.27 4.36 ****** 1985 4.73 4.00 5.25 5.41 6.89 7.22 8.59 8.24 6.04 4.73 5.57 3.97 5.88 1986 3.39 4.03 4.61 7.03 7.21 7.03 8.12 7.21 5.86 5.90 5.35 3.75 5.79 1987 3.24 3.82 5.15 5.71 7.39 8.66 8.80 7.80 7.77 6.66 5.79 4.70 6.29 1988 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1989 2.84 2.83 4.86 6.00 6.92 7.92 8.56 8.37 9.59 7.85 5.59 4.07 6.28 1990 2.92 3.60 5.30 5.50 ****** ****** 8.31 5.98 5.75 4.48 4.19 4.00 ****** 1991 4.36 4.19 5.25 5.07 5.81 7.27 7.75 6.60 6.24 5.83 5.18 3.94 5.62 1992 2.05 2.96 4.20 5.88 6.80 7.75 9.15 8.24 6.32 4.87 4.65 3.99 5.57 1993 2.54 3.49 5.00 6.41 7.82 9.10 9.34 9.06 6.74 4.93 4.86 4.60 6.16 1994 3.98 4.01 5.17 6.35 7.77 8.19 9.17 8.46 6.68 6.37 6.45 4.12 6.39 1995 4.71 4.41 5.00 6.15 7.98 8.86 9.21 8.94 6.77 5.72 4.34 3.52 6.30 1996 2.91 4.87 5.17 5.53 7.14 7.34 8.88 8.45 6.43 4.92 3.99 4.17 5.82 1997 3.33 3.47 4.36 5.21 6.49 8.04 8.20 8.17 5.91 5.79 5.36 3.73 5.67 1998 3.40 4.04 6.04 6.36 7.16 9.67 10.60 10.45 8.33 6.92 5.51 4.98 6.96 1999 4.44 4.61 4.92 5.46 6.70 7.29 9.06 8.46 6.39 5.48 5.08 4.69 6.05 2000 4.21 3.31 4.26 5.38 6.32 7.42 8.78 7.60 6.59 5.85 5.15 4.53 5.78 2001 3.67 4.24 4.78 5.25 6.47 7.46 8.02 7.85 6.56 5.95 4.85 4.92 5.83 2002 ****** 4.28 4.73 5.63 5.95 7.45 8.46 7.88 6.85 5.48 5.13 4.89 ****** 2003 ****** 4.63 5.07 6.05 6.06 7.79 9.02 7.99 6.45 5.56 5.14 4.93 ****** MEAN 3.51 3.99 4.83 5.90 7.04 7.92 8.63 8.22 7.03 5.74 5.14 4.38 6.03 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 29 STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 MET. AVERAGE OF SATURATION DEFICIT PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** 14.78 2.07 3.06 ****** 1975 1.15 0.87 ****** 1.15 2.67 ****** ****** ****** 1.98 1.81 1.37 1.81 ****** 1976 2.00 1.66 2.31 4.83 9.04 18.39 24.94 20.98 13.35 ****** 2.73 2.35 ****** 1977 1.60 3.13 ****** ****** ****** ****** ****** ****** ****** ****** 4.02 2.35 ****** 1978 1.68 2.38 4.59 9.24 15.06 18.69 22.76 ****** ****** 11.13 3.60 3.43 ****** 1979 2.26 2.70 3.49 10.30 10.97 17.87 24.86 19.28 16.94 10.32 6.02 2.00 10.58 1980 1.60 1.83 3.07 8.66 13.01 20.72 23.46 24.30 17.34 9.55 3.35 5.18 11.01 1981 2.04 2.27 4.95 8.20 12.80 17.95 23.51 22.56 15.48 8.72 5.89 4.30 10.72 1982 2.34 1.87 3.99 9.51 13.30 21.85 23.48 25.28 17.38 6.04 3.05 1.51 10.80 1983 1.22 0.93 2.23 6.21 11.47 20.95 25.85 25.36 17.95 10.72 7.10 2.89 11.07 1984 1.53 1.56 ****** 8.43 11.32 22.20 24.10 24.38 17.42 9.76 5.03 1.93 ****** 1985 2.77 2.75 4.46 8.89 13.08 22.11 25.85 20.77 19.59 11.77 5.37 1.82 11.60 1986 1.49 1.96 3.56 5.81 10.77 20.05 23.85 22.51 17.58 12.49 4.12 1.63 10.49 1987 1.81 2.58 3.26 7.92 15.54 20.62 22.35 23.19 18.73 7.87 5.88 3.15 11.07 1988 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1989 1.19 1.75 3.95 8.23 12.63 22.07 26.50 24.54 16.64 11.37 5.58 2.34 11.40 1990 1.20 1.64 3.90 8.59 ****** ****** 24.04 28.77 22.42 12.77 9.08 4.43 ****** 1991 1.62 1.83 4.15 9.99 13.59 20.21 28.00 26.46 20.02 9.18 6.01 1.95 11.92 1992 0.95 1.56 2.28 6.72 11.55 20.14 25.39 21.65 16.05 11.98 7.19 3.01 10.70 1993 1.37 1.93 3.30 7.19 9.91 18.83 25.04 24.09 18.69 7.12 4.94 4.61 10.59 1994 2.96 3.16 4.25 9.40 12.57 21.60 28.66 28.69 16.33 10.08 4.55 2.55 12.07 1995 3.10 3.17 5.09 7.51 10.74 17.96 26.78 27.62 19.42 11.18 7.91 2.24 11.89 1996 1.51 2.73 2.79 8.14 14.75 22.46 22.88 24.22 20.84 12.64 7.04 4.23 12.02 1997 2.75 3.02 3.72 8.10 13.14 20.41 31.10 28.97 19.66 12.21 4.96 2.37 12.53 1998 0.66 1.85 3.30 9.84 14.38 20.29 26.04 23.44 19.21 11.72 8.31 6.35 12.12 1999 2.22 3.33 4.43 9.46 17.10 24.84 25.19 24.78 21.76 13.46 5.80 2.49 12.90 2000 2.31 1.51 4.72 11.26 18.20 25.28 28.10 26.61 20.45 10.81 4.64 2.14 13.00 2001 2.41 2.08 6.05 10.51 14.49 23.42 26.91 25.26 18.84 12.51 5.84 2.86 12.60 2002 ****** 2.42 5.84 7.66 13.65 20.85 25.49 27.53 22.82 14.85 5.53 2.22 ****** 2003 ****** 2.45 4.65 8.58 12.75 21.85 29.63 26.70 20.57 13.62 6.55 3.19 ****** MEAN 1.84 2.18 3.93 8.16 12.63 20.86 25.57 24.72 17.98 10.76 5.29 2.91 11.40 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 30 STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 MET. AVERAGE OF RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1974 *** *** *** *** *** *** *** *** *** 21 79 62 *** 1975 68 87 *** 88 81 *** *** *** 86 81 80 72 *** 1976 70 72 69 61 49 35 30 32 41 *** 67 70 *** 1977 71 65 *** *** *** *** *** *** *** *** 60 67 *** 1978 70 66 58 44 32 35 31 *** *** 40 63 61 *** 1979 65 64 62 42 47 39 31 34 34 45 53 69 49 1980 68 68 63 46 40 32 30 29 32 46 61 56 48 1981 65 64 55 47 39 33 29 32 37 47 52 54 46 1982 62 65 52 45 42 29 28 29 32 61 68 75 49 1983 76 79 70 55 48 35 31 31 37 39 47 65 51 1984 74 74 *** 45 38 29 26 32 33 39 57 73 *** 1985 67 64 60 44 40 29 29 32 29 35 56 72 46 1986 72 70 62 60 47 31 30 28 30 39 62 72 50 1987 68 63 63 48 36 33 33 29 34 52 55 63 48 1988 *** *** *** *** *** *** *** *** *** *** *** *** *** 1989 72 65 59 48 39 30 29 30 42 47 56 67 49 1990 72 70 62 47 *** *** 31 22 26 34 40 57 *** 1991 76 72 61 41 34 30 27 24 31 46 53 66 47 1992 69 67 67 52 42 31 30 32 32 36 44 60 47 1993 65 66 63 52 49 36 31 32 32 44 52 54 48 1994 59 58 60 45 42 32 29 28 35 46 63 64 47 1995 64 61 54 50 48 39 32 30 31 41 43 62 46 1996 67 67 68 46 39 29 31 30 30 34 44 55 45 1997 60 58 59 46 38 33 25 26 28 38 58 66 45 1998 84 70 69 46 39 37 34 37 36 44 47 52 50 1999 70 64 59 43 32 27 32 30 27 37 55 69 45 2000 70 69 54 38 31 28 30 25 29 42 59 70 45 2001 66 72 53 42 36 29 27 27 30 39 55 68 45 2002 *** 69 52 49 36 31 30 26 27 34 55 72 *** 2003 *** 70 59 48 37 31 27 27 29 35 51 63 *** MEAN 69 68 61 49 42 32 30 29 34 42 56 65 48 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 31 STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 MET. AVERAGE OF MAXIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1974 *** *** *** *** *** *** *** *** *** 26 83 77 *** 1975 83 93 *** 93 86 *** *** *** 90 86 87 81 *** 1976 78 83 78 79 70 56 44 45 61 *** 78 81 *** 1977 84 78 *** *** *** *** *** *** *** *** 83 80 *** 1978 85 79 77 63 49 54 49 *** *** 67 82 78 *** 1979 82 81 80 63 69 60 50 50 53 67 79 84 68 1980 81 82 80 67 60 52 46 47 48 61 79 74 65 1981 80 79 77 65 59 48 44 48 56 69 74 76 65 1982 76 78 70 68 63 42 43 42 49 79 85 86 65 1983 83 85 86 78 71 55 49 48 57 63 68 79 69 1984 83 82 *** 63 61 50 41 50 52 61 76 83 *** 1985 78 80 76 70 61 47 44 47 46 56 75 82 64 1986 79 80 77 79 69 51 48 44 48 60 78 80 66 1987 79 80 77 70 50 47 48 46 52 67 70 77 64 1988 *** *** *** *** *** *** *** *** *** *** *** *** *** 1989 79 78 71 70 53 46 46 46 61 63 76 79 64 1990 79 78 77 66 *** *** 55 43 45 58 67 73 *** 1991 85 81 78 66 52 47 47 40 52 73 72 77 64 1992 78 76 80 73 60 45 48 49 46 58 61 72 62 1993 74 77 76 69 63 51 47 53 52 55 65 66 62 1994 68 67 79 65 58 50 49 49 55 70 77 74 63 1995 74 71 68 68 69 56 61 51 49 64 64 71 64 1996 74 78 82 67 61 48 47 45 52 55 70 70 62 1997 70 68 72 68 59 53 41 40 47 57 76 80 61 1998 91 81 83 65 62 56 54 59 55 66 71 76 68 1999 84 81 78 68 50 44 54 47 41 61 80 81 64 2000 82 77 74 56 47 48 54 37 43 62 77 82 62 2001 76 84 77 66 56 46 42 41 44 59 77 82 63 2002 *** 83 72 69 54 50 50 39 40 59 73 84 *** 2003 *** 82 78 71 55 50 44 44 45 55 72 76 *** MEAN 79 79 77 69 60 50 48 46 52 62 75 78 65 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 32 STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 MET. AVERAGE OF MINIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1974 *** *** *** *** *** *** *** *** *** 16 75 43 *** 1975 53 81 *** 83 74 *** *** *** 82 75 72 62 *** 1976 62 62 60 48 35 22 19 23 29 *** 58 61 *** 1977 60 55 *** *** *** *** *** *** *** *** 41 55 *** 1978 56 52 41 29 20 21 20 *** *** 20 47 49 *** 1979 52 51 47 26 31 25 21 23 22 29 35 56 35 1980 58 56 49 31 27 20 20 18 21 34 48 44 36 1981 55 53 38 34 26 24 20 22 24 32 38 41 34 1982 52 55 41 31 29 21 19 21 23 46 54 64 38 1983 68 72 57 39 34 23 20 21 24 25 34 55 39 1984 66 66 *** 30 24 18 17 21 22 24 40 63 *** 1985 56 52 48 30 28 19 20 23 19 22 44 61 35 1986 64 63 51 47 31 19 20 19 20 26 51 65 40 1987 60 52 53 34 26 25 23 19 24 42 44 52 38 1988 *** *** *** *** *** *** *** *** *** *** *** *** *** 1989 66 55 50 34 30 22 18 20 30 35 41 57 38 1990 65 61 47 32 *** *** 17 11 10 18 23 44 *** 1991 65 63 47 26 24 21 15 16 19 30 39 56 35 1992 58 57 56 39 31 23 21 22 23 22 33 48 36 1993 55 55 53 41 38 26 21 20 19 33 42 42 37 1994 49 49 47 32 30 23 18 17 23 32 51 54 35 1995 53 52 43 34 33 27 17 18 20 28 30 52 34 1996 61 57 56 29 24 18 22 20 17 21 29 42 33 1997 50 48 45 30 24 20 15 18 17 24 44 52 32 1998 77 58 48 29 25 25 22 23 23 31 32 35 36 1999 58 47 44 28 21 17 19 19 18 22 36 55 32 2000 56 60 35 25 20 16 16 18 19 27 42 57 33 2001 53 59 31 22 23 19 18 19 20 23 37 53 31 2002 *** 55 34 33 22 20 18 18 19 19 37 58 *** 2003 *** 56 42 31 23 20 17 17 19 21 36 51 *** MEAN 59 57 47 34 29 21 19 19 23 29 43 53 36 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 33 STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 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 1974 *** *** *** *** *** *** *** *** *** 0 0 6 *** 1975 8 5 *** 5 2 *** *** *** 0 0 2 7 *** 1976 8 5 8 1 2 0 0 0 0 *** 0 1 *** 1977 2 1 *** *** *** *** *** *** *** *** 2 5 *** 1978 4 2 2 0 0 0 0 *** *** 1 2 5 *** 1979 4 2 1 1 3 0 0 0 0 0 0 5 16 1980 4 7 7 4 0 0 0 0 0 1 3 1 27 1981 4 3 1 2 2 0 0 0 0 0 2 0 14 1982 3 3 5 0 1 0 0 0 0 6 2 2 22 1983 5 0 4 2 2 0 0 0 0 0 0 2 15 1984 5 3 *** 1 3 0 0 0 0 1 3 2 *** 1985 2 3 3 0 1 0 0 0 0 0 1 5 15 1986 1 3 6 6 2 0 0 0 0 0 8 4 30 1987 3 3 8 2 1 0 2 0 0 4 1 7 31 1988 *** *** *** *** *** *** *** *** *** *** *** *** *** 1989 1 2 6 4 0 0 0 0 0 0 4 5 22 1990 3 3 2 0 *** *** 0 0 0 0 1 1 *** 1991 2 4 4 1 0 0 0 0 0 1 2 9 23 1992 5 2 3 4 2 0 0 0 0 0 2 5 23 1993 2 8 7 4 1 0 0 1 0 0 4 0 27 1994 2 3 3 2 0 0 0 0 0 0 7 2 19 1995 3 2 2 4 4 0 0 0 0 0 0 2 17 1996 1 6 11 4 0 0 0 0 0 0 0 2 24 1997 2 0 1 4 1 0 0 0 0 0 5 5 18 1998 4 5 3 0 1 0 0 0 0 2 0 2 17 1999 2 6 4 2 0 0 0 0 0 0 2 3 19 2000 5 5 2 0 0 0 0 0 0 2 3 5 22 2001 1 2 2 0 2 2 0 0 0 2 2 9 22 2002 *** 3 5 5 1 0 0 0 0 0 3 3 *** 2003 *** 3 4 7 0 0 0 0 0 0 2 4 *** MEAN 3 3 4 2 1 0 0 0 0 1 2 4 20 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 34 STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 MET. HIGHEST AND LOWEST LIMITS FOR 30 YEARS DURING 1974-2003 ELE- JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MENT --------------------------------------------------------------------------------------------- NO. HIG. DRY 03 5.4 7.8 8.2 14.0 19.6 19.6 23.6 23.2 16.2 18.8 11.0 9.8 1 YEAR - DAY 1994- 4 1975-26 1985-20 1990-14 1978-31 2002-30 1998-12 2001- 8 2000- 6 1974- 5 1977-13 1974- 5 LOW. DRY 03 -25.5 -25.8 -18.2 -7.4 0.4 6.6 10.0 6.8 -1.2 -6.2 -11.4 -21.2 2 YEAR - DAY 1992- 5 1983- 3 1992- 1 1997-11 2002- 5 2002- 4 1981-31 1983-29 1981-25 1984-21 1979-21 1991-30 HIG. WET 03 3.2 6.2 6.2 9.4 12.4 14.6 18.5 17.0 11.8 8.4 7.2 8.8 3 YEAR - DAY 1979- 5 1975-26 1985-24 1992-22 1998-29 2002-30 2000-13 1998-25 1975- 4 1974- 2 1999- 8 1974- 6 LOW. WET 03 -25.6 -25.8 -18.4 -9.2 -2.2 3.0 5.0 3.4 -3.4 -7.8 -12.4 -21.6 4 YEAR - DAY 1992- 5 1983- 3 1992- 1 1997-11 1985- 5 1978- 3 1981-30 1983-29 1981-25 1984-21 1995-29 1991-30 HIG. DRY 09 14.6 14.4 20.4 26.6 30.4 35.4 37.0 35.8 32.4 30.4 24.4 19.2 5 YEAR - DAY 1994- 2 2003-18 2001-31 2000-15 1999-31 2000-24 1997-22 1997- 1 1999-27 2002-29 2002- 1 1998-18 LOW. DRY 09 -14.2 -10.6 -4.2 1.8 6.4 19.8 19.6 20.2 13.8 2.0 -2.2 -10.0 6 YEAR - DAY 1992- 5 1989- 6 1992- 1 1983- 1 1981- 1 1995- 1 1999-27 1992-30 1975-24 1975-31 1980-21 1991-30 HIG. WET 09 8.6 8.6 12.8 17.2 24.6 21.2 21.2 20.0 20.0 24.8 13.0 13.0 7 YEAR - DAY 1994- 2 1978-18 1985-29 1998- 5 1999-28 1993- 4 1976-31 1976- 4 1989- 6 1980- 4 1998-18 1974- 5 LOW. WET 09 -14.4 -11.2 -6.8 0.0 3.8 9.8 11.6 11.2 7.0 1.0 -4.4 -12.0 8 YEAR - DAY 1983-29 1989- 6 1992- 1 1983- 1 1981- 1 1978-22 1999-27 1987- 3 1981-23 1975-31 1980-21 1974-24 HIG. DRY 15 10.8 10.2 16.0 22.2 36.0 33.0 38.0 33.8 29.4 25.0 18.2 13.8 9 YEAR - DAY 1994- 3 1996- 9 1998-28 1994-24 2000-27 1999-28 2000- 5 1994- 6 1994- 3 1989- 8 2003- 1 1998-16 LOW. DRY 15 -22.8 -18.8 -5.6 -2.8 4.8 15.4 17.0 18.0 7.8 1.8 -4.0 -12.2 10 YEAR - DAY 1983-28 1983- 6 1992- 3 1975-12 1981- 1 1984- 1 1987-29 1992-30 1975-24 1975-20 1975-28 1991-29 HIG. WET 15 6.8 5.2 13.0 15.2 19.8 19.6 22.0 24.8 19.0 16.4 10.4 8.1 11 YEAR - DAY 1994- 4 1978-28 1998-28 1978- 3 1994-26 1993-18 1981-31 2000-18 1983- 1 1995- 4 1998-17 1974- 1 LOW. WET 15 -22.8 -19.0 -7.6 -3.0 2.8 7.6 9.0 10.0 6.2 1.0 -5.4 -14.0 12 YEAR - DAY 1983-28 1983- 6 1992- 1 1975-12 1997- 5 1978- 2 1999-27 1986-30 1975-24 1975-15 1980-21 1974-25 HIG. MIN. 4.5 5.0 7.0 11.5 14.5 17.5 21.0 18.5 15.0 10.5 7.5 9.0 13 YEAR - DAY 1979- 5 1981- 9 1998-18 1979-23 1979-28 1979-28 1998-12 2001- 9 1993- 1 2001-21 1981-15 1974- 6 LOW. MIN. -26.0 -27.0 -19.0 -11.0 -2.5 0.5 6.5 1.5 -9.0 -8.5 -12.0 -28.0 14 YEAR - DAY 1992- 5 1983- 3 1992- 1 2000- 6 1991- 4 1978- 3 1978-17 1979-31 1980- 9 1984-21 1995-29 1974-29 HIG. MAX. 15.5 16.5 21.5 26.0 32.0 35.5 37.5 37.5 33.5 33.0 25.5 20.6 15 YEAR - DAY 1994- 2 2001-28 2001-31 1979-21 1987-13 1989-22 1989-12 1989- 3 1983- 3 1978- 6 1987-17 1998-18 LOW. MAX. -14.0 -8.0 -3.0 4.5 10.5 20.5 21.5 21.0 14.2 5.0 1.0 -7.0 16 YEAR - DAY 1992- 5 1989- 6 1992- 1 1983- 1 1979- 9 1995- 1 1999-27 1992-30 1975- 2 1975-23 1980-21 1974-16 HIG. PPTN 42.0 74.0 48.0 49.0 30.0 7.0 13.0 35.0 1.0 24.0 40.0 78.0 17 YEAR - DAY 1981-12 1980-11 1996-24 1993-27 2002- 3 2001-15 1987-28 1993-24 1979-28 1991-16 1986-30 1992-15 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 35 STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 MET. HIGHEST LIMITS OF ABSOLUTE DIFFERENCES FOR 30 YEARS DURING 1974-2003 ELE- JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MENT --------------------------------------------------------------------------------------------- NO. DRY 09 - DRY 03 20.6 25.7 22.8 21.8 23.0 22.6 21.2 21.8 26.2 27.8 25.6 23.6 18 YEAR - DAY 2000-15 1993-19 2002-14 2001-16 2002-17 2000-26 2000- 6 1981-13 1999-26 2002-29 1998-17 1998-15 DRY 15 - DRY 09 14.2 10.0 11.4 17.0 11.2 13.4 12.2 9.4 13.6 11.2 11.2 12.2 19 YEAR - DAY 1990-13 2000-11 1997-27 1998- 5 1986-22 2000-24 1993- 8 2001-21 2001-19 1978-26 1980-28 1984- 8 DRY 15 - DRY 03 22.8 24.7 18.4 17.6 22.6 19.6 20.6 18.6 21.2 21.4 21.4 19.8 20 YEAR - DAY 2000-15 1993-19 1994-22 1995- 2 2000-27 2000-26 2000- 5 2000- 3 1991-23 1983-11 1992-19 1998-23 WET 09 - WET 03 19.0 23.4 16.6 15.0 17.4 16.2 10.6 12.4 14.4 21.4 18.0 16.8 21 YEAR - DAY 1993-28 1993-19 1983- 8 1995- 2 1999-29 1993- 4 1987-14 2000-31 1985-26 1980- 4 1998-17 1998-23 WET 15 - WET 09 12.1 9.4 9.8 13.4 12.1 10.0 9.0 8.8 8.0 14.6 8.6 9.2 22 YEAR - DAY 1990-13 2000-11 1985-29 1998- 5 1999-29 1993- 4 1981-31 2000-18 1975-27 1980- 4 1980-28 1984- 8 WET 15 - WET 03 18.0 21.8 14.8 15.0 14.4 13.0 17.0 16.2 13.6 14.4 16.2 15.0 23 YEAR - DAY 1983-23 1993-19 1998-23 1978- 3 1994- 9 1993-17 1981-31 2000-18 1979- 8 1989-11 1998-17 1998-23 DAY BY DAY DRY 03 18.0 22.9 14.2 11.6 9.6 6.8 6.6 6.6 8.8 14.0 11.6 13.8 24 YEAR - DAY 1983-13 1993-20 1992-13 1999-15 2002-17 1986- 1 1984- 3 1985-12 1995-22 1985-22 1979-29 1984-13 DAY BY DAY WET 03 17.0 22.2 14.0 10.2 7.6 6.6 5.9 6.0 6.0 10.0 10.4 13.6 25 YEAR - DAY 1983-13 1993-20 1992-13 1975- 2 1992-11 1999- 7 2000- 1 1983- 1 1995-22 1985-22 1977-19 1974- 7 DAY BY DAY DRY 09 12.6 12.4 10.0 15.8 12.4 12.6 9.0 4.8 11.4 12.6 13.1 16.4 26 YEAR - DAY 1983-18 2003-18 1997- 8 1998- 6 1987- 5 2000- 8 1999-27 1992-30 1981-23 1994- 9 2002- 2 1974- 1 DAY BY DAY WET 09 10.4 9.2 7.0 13.0 11.2 9.0 3.6 5.0 6.0 10.8 8.2 11.7 27 YEAR - DAY 1983-18 1980- 1 1992-18 1998- 6 1999-28 1993- 5 1978- 7 1987- 4 1976-16 1980- 4 1980-22 1974- 1 DAY BY DAY DRY 15 15.8 15.6 9.4 8.8 11.0 9.4 11.2 8.5 11.9 10.6 11.4 10.7 28 YEAR - DAY 1983-18 2000-13 1998-29 1975-13 2000-28 2003-24 1993- 9 1987- 1 2001-19 1994- 9 2002- 2 1974- 1 DAY BY DAY WET 15 15.0 12.2 8.8 8.8 10.4 5.8 9.4 10.6 4.1 9.4 8.0 8.4 29 YEAR - DAY 1983-18 2000-13 1998-29 1975-13 2001-18 1995- 8 1981-31 2000-19 2001-11 1998-11 1980-28 1997-22 DAY BY DAY MIN. 17.0 18.5 14.0 12.0 12.0 7.0 7.0 7.5 18.0 9.0 11.0 15.0 30 YEAR - DAY 1992-31 1993-20 1992-13 2000- 7 1991- 4 1986- 1 1978- 9 1979-31 1980-10 1984-21 1979-29 1974- 7 DAY BY DAY MAX. 14.0 12.0 9.0 11.5 10.0 7.0 7.5 6.5 7.5 13.0 13.5 14.5 31 YEAR - DAY 1983-18 1980- 1 1997- 8 1999-22 2002- 2 1984- 4 1999-27 1989- 3 1976-16 2000-18 2002- 2 1974- 1 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 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.***** ***** ***** ***** ***** ***** ***** ***** ***** 13.3 ***** -3.7 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** 4.9 ***** -12.4 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** 21.7 11.3 4.9 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** ***** ***** ***** ***** ***** ***** ***** 16.8 ***** 17.3 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** 2.92 5.26 3.24 ***** MEAN OF MIXING RATIO AT 09 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** 2.88 5.43 5.52 ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** 3.22 5.16 3.32 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** 4.0 ***** -28.0 ****** DAY ** ** ** ** ** ** ** ** ** 19 ** 29 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** 29.0 18.0 18.5 ****** DAY ** ** ** ** ** ** ** ** ** 4 1 1 24 HOUR MAXIMUM PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** ***** 0.0 0.0 18.0 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 6 MONTHLY TOTAL PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** ***** 0.0 0.0 63.0 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION ***** ***** ***** 100.0 NO. OF DAYS WITH PRECIPITATION. *** *** *** *** *** *** *** *** *** 0 0 7 *** NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** *** 0 0 7 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** *** 0 0 3 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** *** *** *** *** *** *** *** 20 80 62 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** *** *** *** *** *** *** *** *** 19 80 68 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** *** *** *** *** *** *** *** 23 78 52 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** 0 *** 25 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** 0 *** 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** 0 0 13 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** 0 0 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** 0 0 0 *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** 0 0 0 *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. *** *** *** *** *** *** *** *** *** 0 *** 27 *** DATE OF START AND END FREEZING START = 2 DEC. END = 31 DEC. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 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.***** ***** ***** 6.0 10.7 ***** ***** ***** 12.2 6.1 0.5 -1.2 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -15.2 -1.6 ***** 2.5 7.8 ***** ***** ***** 7.6 1.8 -4.7 -7.3 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** 9.6 13.6 ***** ***** ***** 16.8 10.4 5.6 5.0 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** ***** 7.1 5.8 ***** ***** ***** 9.2 8.6 10.3 12.3 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.37 4.46 ***** 6.00 8.26 ***** ***** ***** 8.32 5.26 3.92 2.94 ***** MEAN OF MIXING RATIO AT 09 GMT. 3.28 5.69 ***** 7.68 8.71 ***** ***** ***** 11.82 6.89 4.99 4.04 ***** MEAN OF MIXING RATIO AT 15 GMT. 2.33 4.22 ***** 5.80 8.41 ***** ***** ***** 8.48 5.43 4.52 3.40 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -23.0 -6.8 ***** -4.0 5.0 ***** ***** ***** 6.0 -4.0 -11.0 -13.2 ****** DAY 1 5 ** 2 1 ** ** ** 11 30 28 31 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** 14.2 16.0 ***** ***** ***** 19.0 16.0 9.0 9.0 ****** DAY ** ** ** 17 29 ** ** ** 14 3 20 21 24 HOUR MAXIMUM PRECIPITATION IN MM. 15.0 7.0 ***** 8.0 5.0 ***** ***** ***** 0.0 0.0 20.0 15.0 ****** DAY 20 26 ** 1 7 ** ** ** ** ** 10 29 MONTHLY TOTAL PRECIPITATION IN MM. 77.0 32.0 ***** 51.0 23.0 ***** ***** ***** 0.0 0.0 29.0 55.0 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 40.8 27.7 0.0 31.5 NO. OF DAYS WITH PRECIPITATION. 8 6 *** 11 6 *** *** *** 0 0 3 7 *** NO. OF DAYS PRECIPITATION EQUAL 8 6 *** 11 6 *** *** *** 0 0 3 7 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 5 0 *** 0 0 *** *** *** 0 0 1 2 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 56 85 *** 89 83 *** *** *** 86 83 78 79 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 80 90 *** 87 75 *** *** *** 84 78 80 66 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 64 85 *** 87 83 *** *** *** 87 82 83 71 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 31 9 *** 2 0 *** *** *** 0 1 16 29 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 *** 0 0 *** *** *** 0 0 0 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** 0 0 *** *** *** 0 0 0 1 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** 0 0 *** *** *** 0 0 0 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. 31 18 *** 7 0 *** *** *** 0 5 26 31 *** DATE OF START AND END FREEZING START = 23 OCT. END = 21 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 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. -1.0 -2.3 0.5 7.2 11.6 19.7 24.2 21.3 16.5 ***** 2.3 1.5 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -6.8 -8.0 -5.9 2.0 4.0 11.8 15.3 12.0 9.2 ***** -3.1 -4.0 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 4.8 3.4 6.8 12.4 19.3 27.6 33.2 30.5 23.8 ***** 7.7 6.9 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.6 11.4 12.7 10.4 15.3 15.8 17.9 18.5 14.6 ***** 10.8 10.9 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.68 2.91 2.77 4.87 5.45 6.59 6.88 5.50 6.13 ***** 3.30 3.24 ***** MEAN OF MIXING RATIO AT 09 GMT. 4.02 3.50 4.35 5.00 6.21 6.51 7.37 7.74 6.66 ***** 4.55 4.61 ***** MEAN OF MIXING RATIO AT 15 GMT. 3.90 3.09 4.17 4.78 6.10 5.68 6.87 6.77 5.76 ***** 4.19 4.22 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -14.0 -15.0 -11.0 -4.0 2.0 8.2 12.2 10.0 6.0 ***** -5.8 -8.5 ****** DAY 31 28 2 1 1 3 5 10 21 ** 20 29 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 8.0 8.0 9.8 17.0 22.0 32.0 35.8 34.2 29.2 ***** 12.0 10.0 ****** DAY 3 15 30 25 31 30 31 3 2 ** 1 2 24 HOUR MAXIMUM PRECIPITATION IN MM. 24.0 10.0 9.0 10.0 12.0 0.0 0.0 0.0 0.0 ***** 4.0 5.0 ****** DAY 11 15 9 5 22 ** ** ** ** ** 2 18 MONTHLY TOTAL PRECIPITATION IN MM. 89.0 42.7 62.2 16.3 24.0 0.0 0.0 0.0 0.0 ***** 14.0 19.8 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 72.4 15.0 0.0 12.6 NO. OF DAYS WITH PRECIPITATION. 10 7 11 3 5 0 0 0 0 *** 4 9 *** NO. OF DAYS PRECIPITATION EQUAL 10 7 11 3 5 0 0 0 0 *** 4 9 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 4 1 0 1 1 0 0 0 0 *** 0 0 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 75 83 77 79 70 56 44 44 61 *** 78 78 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 64 65 61 49 37 25 20 24 31 *** 59 63 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 70 68 68 54 41 24 25 27 33 *** 64 69 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 27 27 28 2 0 0 0 0 0 *** 11 22 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 *** 0 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 4 0 0 0 0 0 0 0 *** 0 0 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 5 26 18 0 *** 0 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 *** 0 0 *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 *** 0 0 *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. 28 29 31 6 0 0 0 0 0 *** 27 25 *** DATE OF START AND END FREEZING START = 4 NOV. END = 10 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 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. -4.4 2.2 ***** ***** ***** ***** ***** ***** ***** ***** ***** -1.4 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -12.3 -3.8 ***** ***** ***** ***** ***** ***** ***** ***** ***** -7.3 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 3.4 8.3 ***** ***** ***** ***** ***** ***** ***** ***** 12.6 4.5 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 15.7 12.1 ***** ***** ***** ***** ***** ***** ***** ***** ***** 11.8 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.10 3.33 ***** ***** ***** ***** ***** ***** ***** ***** 4.33 2.59 ***** MEAN OF MIXING RATIO AT 09 GMT. 3.44 4.65 ***** ***** ***** ***** ***** ***** ***** ***** 4.07 3.78 ***** MEAN OF MIXING RATIO AT 15 GMT. 2.82 4.34 ***** ***** ***** ***** ***** ***** ***** ***** 3.80 3.48 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -19.2 -7.8 ***** ***** ***** ***** ***** ***** ***** ***** ***** -19.0 ****** DAY 14 3 ** ** ** ** ** ** ** ** ** 29 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 7.2 12.8 ***** ***** ***** ***** ***** ***** ***** ***** 15.5 12.5 ****** DAY 7 21 ** ** ** ** ** ** ** ** 9 4 24 HOUR MAXIMUM PRECIPITATION IN MM. 13.0 10.0 ***** ***** ***** ***** ***** ***** ***** ***** 26.0 35.0 ****** DAY 15 6 ** ** ** ** ** ** ** ** 12 14 MONTHLY TOTAL PRECIPITATION IN MM. 29.2 10.0 ***** ***** ***** ***** ***** ***** ***** ***** 37.5 99.0 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 22.3 ***** ***** 77.7 NO. OF DAYS WITH PRECIPITATION. 5 1 *** *** *** *** *** *** *** *** 3 6 *** NO. OF DAYS PRECIPITATION EQUAL 5 1 *** *** *** *** *** *** *** *** 3 6 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 1 *** *** *** *** *** *** *** *** 2 4 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 84 78 *** *** *** *** *** *** *** *** 81 80 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 63 56 *** *** *** *** *** *** *** *** 43 57 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 66 62 *** *** *** *** *** *** *** *** 56 64 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 31 17 *** *** *** *** *** *** *** *** *** 25 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 *** *** *** *** *** *** *** *** *** 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 5 0 *** *** *** *** *** *** *** *** 0 9 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 *** *** *** *** *** *** *** *** 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. 31 24 *** *** *** *** *** *** *** *** *** 30 *** DATE OF START AND END FREEZING START = 1 DEC. END = 24 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 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. -3.7 -0.0 6.0 11.6 14.5 18.2 20.9 ***** ***** 11.9 3.3 2.9 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -10.5 -6.1 0.1 3.4 5.7 7.5 10.9 ***** ***** 1.0 -3.4 -3.1 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 3.1 6.1 12.0 19.6 23.3 28.9 30.9 ***** ***** 22.9 10.1 9.0 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 13.6 12.2 11.9 16.2 17.6 21.4 20.0 ***** ***** 21.9 13.5 12.1 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.11 2.58 4.04 4.35 5.38 6.48 6.54 ***** ***** 3.43 3.38 3.13 ***** MEAN OF MIXING RATIO AT 09 GMT. 3.17 3.64 3.91 4.79 4.63 6.60 6.83 ***** ***** 4.13 4.39 4.11 ***** MEAN OF MIXING RATIO AT 15 GMT. 3.18 3.74 4.37 4.93 3.91 6.01 6.31 ***** ***** 4.07 3.91 3.87 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -19.0 -14.5 -6.0 1.0 3.0 0.5 6.5 ***** ***** -3.0 -9.5 -10.5 ****** DAY 17 1 4 1 5 3 17 ** ** 11 25 18 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 9.0 12.5 17.5 22.5 29.5 33.5 34.0 ***** ***** 33.0 15.5 14.5 ****** DAY 8 18 25 7 27 29 1 ** ** 6 1 2 24 HOUR MAXIMUM PRECIPITATION IN MM. 17.0 20.0 38.3 3.7 3.5 0.0 0.0 ***** ***** 5.0 10.0 59.0 ****** DAY 21 23 10 3 2 ** ** ** ** 31 1 6 MONTHLY TOTAL PRECIPITATION IN MM. 41.0 44.4 69.0 7.1 4.3 0.0 0.0 ***** ***** 5.0 21.0 108.5 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 51.4 3.8 0.0 44.8 NO. OF DAYS WITH PRECIPITATION. 5 7 7 3 2 0 0 *** *** 1 4 6 *** NO. OF DAYS PRECIPITATION EQUAL 5 6 7 2 1 0 0 *** *** 1 4 6 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 2 2 0 0 0 0 *** *** 0 1 2 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 84 77 77 63 49 54 49 *** *** 63 82 77 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 57 54 41 30 22 23 22 *** *** 21 49 50 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 68 68 56 38 24 26 23 *** *** 31 58 58 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 28 18 4 0 0 0 0 *** *** 0 17 15 *** 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 10 3 0 0 0 0 0 *** *** 0 0 0 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 11 23 *** *** 1 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. 31 27 16 0 0 0 0 *** *** 13 24 22 *** DATE OF START AND END FREEZING START = 10 OCT. END = 31 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 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. -2.0 0.5 2.9 12.9 14.7 20.9 24.2 20.1 17.0 12.3 5.7 -2.2 10.6 AVERAGE OF MINIMUM TEMPERATURE IN C. -7.7 -5.5 -4.6 4.9 8.6 13.2 16.6 11.5 6.9 2.9 -4.1 -7.7 2.9 AVERAGE OF MAXIMUM TEMPERATURE IN C. 3.7 6.6 10.3 20.9 20.7 28.5 31.8 28.7 27.1 21.8 15.4 3.3 18.2 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.4 12.1 14.9 16.0 12.1 15.3 15.2 17.2 20.2 18.9 19.5 11.0 15.3 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.60 2.90 2.93 4.53 6.32 7.43 7.61 5.79 4.51 4.22 2.96 2.54 4.53 MEAN OF MIXING RATIO AT 09 GMT. 2.92 3.89 4.15 4.74 5.52 7.07 7.38 6.68 5.77 5.55 4.45 3.15 5.10 MEAN OF MIXING RATIO AT 15 GMT. 2.85 3.36 4.08 4.32 5.46 6.99 6.94 6.83 5.86 5.19 4.04 2.87 4.90 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -19.5 -19.0 -12.5 -3.0 1.5 9.5 13.0 1.5 3.5 -2.5 -11.5 -18.5 -19.5 DAY 28 1 5 30 2 21 14 31 30 31 21 29 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 11.5 13.0 15.5 26.0 26.5 32.0 34.0 32.0 31.0 25.5 20.5 12.5 34.0 DAY 2 28 19 21 29 28 10 1 12 8 9 4 24 HOUR MAXIMUM PRECIPITATION IN MM. 28.0 18.0 13.0 5.0 13.5 4.0 0.0 0.0 1.0 2.5 2.5 29.0 29.0 DAY 23 9 27 15 8 4 ** ** 28 26 30 26 MONTHLY TOTAL PRECIPITATION IN MM. 73.0 33.0 18.5 7.0 34.5 4.0 0.0 0.0 1.0 4.0 6.0 73.0 254.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 49.0 17.9 0.4 32.7 NO. OF DAYS WITH PRECIPITATION. 4 4 4 2 5 1 0 0 1 2 3 8 34 NO. OF DAYS PRECIPITATION EQUAL 4 4 4 2 5 1 0 0 1 2 3 8 34 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 3 1 1 0 1 0 0 0 0 0 0 3 9 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 82 81 79 63 69 60 50 50 53 66 77 83 68 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 52 54 49 29 32 26 21 24 23 30 36 58 36 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 61 58 58 34 39 30 23 27 27 39 45 64 42 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 22 14 16 0 0 0 0 0 0 0 13 26 91 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 8 0 0 0 0 0 0 0 0 0 0 10 18 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 7 29 8 4 0 0 0 48 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 29 27 29 1 0 0 0 0 0 5 26 31 148 DATE OF START AND END FREEZING START = 27 OCT. END = 30 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 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. -5.0 -3.8 1.6 11.9 15.4 19.6 21.3 21.7 16.4 11.6 2.1 7.0 10.0 AVERAGE OF MINIMUM TEMPERATURE IN C. -11.1 -10.3 -4.1 5.0 7.2 10.3 12.1 12.0 5.4 2.0 -5.0 0.5 2.0 AVERAGE OF MAXIMUM TEMPERATURE IN C. 1.1 2.7 7.1 18.5 23.5 28.8 30.5 31.4 27.4 21.3 9.3 13.8 18.0 DIFFERENCE BETWEEN AVERAGE MAXIMUM 12.2 13.0 11.2 13.5 16.3 18.5 18.4 19.4 22.0 19.3 14.3 13.3 15.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.01 2.20 3.04 4.88 5.45 6.33 6.54 6.05 3.86 3.59 2.84 3.76 4.21 MEAN OF MIXING RATIO AT 09 GMT. 2.77 2.95 3.76 4.43 5.78 5.88 6.86 6.33 5.43 6.64 4.04 5.15 5.00 MEAN OF MIXING RATIO AT 15 GMT. 2.56 2.95 3.69 4.55 5.34 5.82 6.09 6.00 5.50 5.30 3.48 4.56 4.66 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -23.5 -21.5 -16.0 -2.5 1.5 6.5 9.0 9.0 -9.0 -3.5 -10.5 -5.5 -23.5 DAY 2 3 7 17 1 1 2 31 9 31 14 21 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 9.5 8.5 16.5 24.5 27.0 32.5 33.5 33.5 31.5 28.0 14.5 17.5 33.5 DAY 30 25 31 23 26 22 30 20 9 6 7 6 24 HOUR MAXIMUM PRECIPITATION IN MM. 12.0 74.0 15.0 11.0 0.0 0.0 0.0 0.0 0.0 6.5 15.5 5.0 74.0 DAY 22 11 14 4 ** ** ** ** ** 30 24 18 MONTHLY TOTAL PRECIPITATION IN MM. 42.0 204.0 77.5 35.5 0.0 0.0 0.0 0.0 0.0 6.5 44.2 7.0 416.7 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 77.6 8.5 0.0 13.8 NO. OF DAYS WITH PRECIPITATION. 7 9 8 4 0 0 0 0 0 1 5 2 36 NO. OF DAYS PRECIPITATION EQUAL 7 9 8 4 0 0 0 0 0 1 5 2 36 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 6 4 2 0 0 0 0 0 0 3 0 16 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 80 81 80 67 60 52 46 47 48 60 79 73 64 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 60 56 51 31 29 21 22 19 21 36 49 46 37 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 63 66 59 40 30 22 21 20 26 41 56 51 41 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 26 23 17 0 0 0 0 0 1 0 20 1 88 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 14 8 0 0 0 0 0 0 0 0 0 0 22 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 9 27 25 3 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. 30 28 22 6 0 0 0 0 1 12 28 11 138 DATE OF START AND END FREEZING START = 9 SEP. END = 20 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 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.***** -0.5 5.6 10.3 14.2 18.1 21.6 21.0 15.5 10.2 6.2 2.8 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** -5.9 -0.7 2.6 5.6 9.0 12.5 10.9 5.1 1.3 -1.7 -5.3 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 3.4 4.6 11.9 17.9 22.7 27.2 30.8 31.2 26.0 18.7 14.0 10.9 18.3 DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** 10.5 12.6 15.3 17.1 18.2 18.3 20.3 20.9 17.4 15.7 16.2 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.04 2.77 3.79 4.39 5.03 5.44 5.68 5.94 4.54 3.96 3.69 2.84 4.18 MEAN OF MIXING RATIO AT 09 GMT. 3.08 3.16 4.06 4.89 5.09 6.21 6.46 7.68 6.20 5.05 4.41 3.79 5.01 MEAN OF MIXING RATIO AT 15 GMT. 2.71 2.92 3.80 4.54 4.83 5.96 6.88 7.07 5.57 4.72 3.99 3.06 4.67 ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** -17.5 -10.0 -5.5 -1.0 4.5 8.0 8.0 -2.5 -2.5 -8.5 -8.0 ****** DAY ** 13 5 2 3 6 31 1 26 31 24 9 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 8.5 9.5 17.5 24.0 28.5 31.5 34.0 33.5 30.0 24.5 18.0 13.0 34.0 DAY 26 8 20 22 27 24 4 18 20 5 1 7 24 HOUR MAXIMUM PRECIPITATION IN MM. 42.0 32.0 18.0 14.5 9.5 0.0 0.0 0.0 0.0 3.5 29.5 4.0 42.0 DAY 12 21 27 17 1 ** ** ** ** 13 5 25 MONTHLY TOTAL PRECIPITATION IN MM. 80.5 80.5 31.0 30.0 14.5 0.0 0.0 0.0 0.0 6.0 41.5 7.5 291.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 65.9 15.3 0.0 18.9 NO. OF DAYS WITH PRECIPITATION. 8 6 6 6 2 0 0 0 0 3 4 3 38 NO. OF DAYS PRECIPITATION EQUAL 8 6 6 6 2 0 0 0 0 3 4 3 38 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 3 1 1 0 0 0 0 0 0 1 0 8 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 79 79 77 64 58 48 42 48 56 69 73 76 64 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 56 54 40 36 27 24 21 23 26 32 39 42 35 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 60 59 50 41 32 27 25 24 28 38 46 44 40 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** 13 7 1 0 0 0 0 0 0 7 24 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** 0 0 0 0 0 0 0 0 0 0 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 6 1 0 0 0 0 0 0 0 0 0 0 7 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 4 22 25 1 0 0 0 52 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. *** 16 15 2 1 0 0 0 6 11 23 31 *** DATE OF START AND END FREEZING START = 25 SEP. END = 3 MAY IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 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. -2.8 -5.5 1.5 11.4 16.8 20.7 21.6 22.4 17.1 10.5 3.4 -3.0 9.5 AVERAGE OF MINIMUM TEMPERATURE IN C. -9.2 -13.4 -5.0 2.9 9.1 11.5 12.2 11.8 6.9 3.5 -3.5 -9.0 1.5 AVERAGE OF MAXIMUM TEMPERATURE IN C. 3.6 2.5 8.0 19.8 24.5 30.0 31.1 33.0 27.4 17.2 10.3 3.0 17.5 DIFFERENCE BETWEEN AVERAGE MAXIMUM 12.8 15.9 13.0 16.9 15.4 18.5 18.9 21.2 20.5 13.7 13.8 12.0 16.0 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.24 1.81 2.78 4.74 6.26 5.11 5.45 5.25 4.57 5.30 3.64 2.53 4.14 MEAN OF MIXING RATIO AT 09 GMT. 3.02 2.76 3.16 5.12 6.24 6.55 6.06 7.46 6.10 6.39 4.90 3.38 5.09 MEAN OF MIXING RATIO AT 15 GMT. 2.77 2.59 2.87 4.62 5.87 6.30 6.11 7.09 5.46 6.20 4.48 3.28 4.80 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -15.5 -22.0 -13.0 -5.5 7.5 9.0 10.5 7.0 2.0 0.0 -9.5 -14.0 -22.0 DAY 22 20 6 1 8 3 21 29 26 22 29 16 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 9.5 7.0 12.5 24.5 29.0 33.0 34.5 36.0 30.5 21.5 16.5 8.5 36.0 DAY 4 12 24 23 19 12 30 4 1 1 20 23 24 HOUR MAXIMUM PRECIPITATION IN MM. 16.0 7.0 17.0 2.0 5.0 0.0 0.0 0.0 0.0 14.5 27.0 10.5 27.0 DAY 29 1 2 8 24 ** ** ** ** 29 9 6 MONTHLY TOTAL PRECIPITATION IN MM. 35.0 27.5 59.1 2.0 23.5 0.0 0.0 0.0 0.0 61.5 54.0 29.0 291.6 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 41.7 8.7 0.0 49.6 NO. OF DAYS WITH PRECIPITATION. 7 7 8 1 8 0 0 0 0 11 7 6 55 NO. OF DAYS PRECIPITATION EQUAL 7 7 7 1 8 0 0 0 0 11 7 5 53 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 0 3 0 0 0 0 0 0 2 2 2 10 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 76 78 70 68 63 42 43 42 49 78 85 86 65 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 53 55 42 32 30 21 19 21 23 46 54 64 38 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 57 63 44 35 33 24 22 23 26 58 66 73 44 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 29 27 14 2 0 0 0 0 0 0 13 26 111 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 7 6 0 0 0 0 0 0 0 0 0 3 16 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 15 24 25 1 0 0 0 65 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 31 27 31 8 0 0 0 0 0 2 26 30 155 DATE OF START AND END FREEZING START = 22 OCT. END = 12 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 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. -5.5 -6.0 -0.9 7.4 15.1 20.6 22.9 22.6 18.0 9.8 6.6 -0.4 9.2 AVERAGE OF MINIMUM TEMPERATURE IN C. -12.1 -12.7 -8.0 -0.9 7.2 10.5 12.6 12.3 6.5 -1.6 -2.8 -6.8 0.4 AVERAGE OF MAXIMUM TEMPERATURE IN C. 0.7 0.3 6.2 15.7 23.0 30.6 33.1 33.0 29.3 21.2 16.2 6.1 18.0 DIFFERENCE BETWEEN AVERAGE MAXIMUM 12.8 13.0 14.2 16.6 15.8 20.1 20.5 20.7 22.8 22.8 19.0 12.9 17.6 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.16 1.95 2.56 4.20 6.55 6.49 6.91 6.49 5.16 3.16 3.05 2.59 4.27 MEAN OF MIXING RATIO AT 09 GMT. 3.16 3.15 3.69 4.94 6.58 7.17 7.25 7.80 6.90 4.43 4.39 4.03 5.29 MEAN OF MIXING RATIO AT 15 GMT. 2.52 2.48 3.66 4.60 6.37 6.90 7.31 7.17 6.64 4.07 3.93 3.43 4.92 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -24.5 -27.0 -17.5 -5.0 2.5 6.5 11.0 5.0 3.0 -5.0 -7.0 -12.5 -27.0 DAY 29 3 8 2 7 3 6 30 26 22 17 23 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 7.5 7.0 14.0 21.0 26.5 32.5 35.0 35.5 33.5 26.5 22.0 15.5 35.5 DAY 2 20 29 17 15 16 25 8 3 3 2 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 25.0 2.5 13.2 12.2 6.5 0.0 0.0 1.0 0.2 0.0 4.0 13.0 25.0 DAY 19 18 6 25 9 ** ** 10 16 ** 11 11 MONTHLY TOTAL PRECIPITATION IN MM. 64.3 10.5 45.1 28.2 19.5 0.0 0.0 1.4 0.2 0.0 8.2 27.7 205.1 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 58.5 23.3 0.8 17.5 NO. OF DAYS WITH PRECIPITATION. 7 6 8 9 7 0 0 2 1 0 3 5 48 NO. OF DAYS PRECIPITATION EQUAL 7 6 8 7 5 0 0 1 0 0 2 4 40 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 0 1 1 0 0 0 0 0 0 0 2 6 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 82 85 84 76 70 55 49 48 57 63 68 79 68 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 69 73 57 40 34 23 20 22 24 25 35 57 40 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 78 78 70 48 41 26 23 23 29 29 39 61 45 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 28 23 24 2 0 0 0 0 0 1 9 25 112 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 13 0 0 0 0 0 0 0 0 0 6 29 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 24 31 28 11 0 0 0 94 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 29 25 31 20 0 0 0 0 0 25 25 30 185 DATE OF START AND END FREEZING START = 7 OCT. END = 26 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 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. -4.9 -2.4 ***** 9.8 12.7 19.0 20.7 21.6 16.3 9.4 5.4 -0.8 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -12.0 -9.3 ***** 1.4 4.9 8.3 10.5 10.5 5.1 -1.3 -2.8 -6.7 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 2.2 4.5 ***** 18.3 20.5 29.6 30.8 32.8 27.6 19.9 13.6 5.1 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 14.2 13.8 ***** 16.9 15.6 21.3 20.3 22.3 22.5 21.2 16.4 11.8 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.00 2.50 ***** 4.14 5.08 6.29 5.61 6.55 4.61 3.33 3.80 2.92 ***** MEAN OF MIXING RATIO AT 09 GMT. 3.49 3.79 ***** 4.42 4.06 5.24 5.34 7.61 6.01 3.83 4.30 3.98 ***** MEAN OF MIXING RATIO AT 15 GMT. 3.00 3.46 ***** 4.72 3.91 5.02 5.36 7.14 5.82 3.87 4.47 3.47 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -23.0 -19.5 ***** -3.0 0.5 5.0 7.5 6.5 -0.5 -8.5 -6.5 -12.5 ****** DAY 23 1 ** 27 11 4 1 29 30 21 8 8 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 8.5 13.0 ***** 22.5 25.5 32.5 32.5 35.5 31.5 25.5 18.5 14.0 ****** DAY 4 13 ** 19 27 14 19 17 1 3 1 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 26.0 17.0 ***** 15.5 15.0 0.0 0.0 0.0 0.0 5.0 18.0 24.0 ****** DAY 14 24 ** 17 9 ** ** ** ** 19 12 4 MONTHLY TOTAL PRECIPITATION IN MM. 68.3 40.6 ***** 23.8 25.9 0.0 0.0 0.0 0.0 9.0 37.6 41.0 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 44.2 20.2 0.0 35.6 NO. OF DAYS WITH PRECIPITATION. 5 5 *** 4 3 0 0 0 0 2 6 5 *** NO. OF DAYS PRECIPITATION EQUAL 5 5 *** 4 3 0 0 0 0 2 6 5 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 2 *** 1 1 0 0 0 0 0 1 1 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 81 82 *** 62 61 50 41 50 52 60 76 83 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 67 67 *** 30 25 18 17 22 22 25 40 64 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 72 74 *** 41 29 20 19 24 27 33 55 71 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 30 27 *** 0 0 0 0 0 0 8 12 22 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 *** 0 0 0 0 0 0 0 0 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 11 4 *** 0 0 0 0 0 0 0 0 1 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 *** 0 0 21 28 31 6 0 0 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 *** 0 0 0 0 0 0 0 0 0 *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 *** 0 0 0 0 0 0 0 0 0 *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. 30 28 *** 14 0 0 0 0 3 21 27 31 *** DATE OF START AND END FREEZING START = 28 SEP. END = 27 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 MET. MEAN AND EXTREMES FOR THE YEAR 1985 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 0.3 -0.6 4.0 9.6 14.2 19.5 22.6 20.3 17.5 11.1 6.6 -2.3 10.2 AVERAGE OF MINIMUM TEMPERATURE IN C. -7.6 -8.5 -4.1 0.8 4.7 8.9 12.1 10.8 6.2 -0.0 -1.8 -8.8 1.1 AVERAGE OF MAXIMUM TEMPERATURE IN C. 8.2 7.3 12.1 18.4 23.6 30.3 33.1 29.7 28.9 22.2 14.9 4.3 19.4 DIFFERENCE BETWEEN AVERAGE MAXIMUM 15.8 15.8 16.2 17.6 18.9 21.4 21.0 18.9 22.7 22.2 16.7 13.1 18.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.77 2.53 3.65 4.43 5.48 5.82 6.19 5.83 3.94 3.03 3.68 2.58 4.16 MEAN OF MIXING RATIO AT 09 GMT. 4.50 3.71 4.81 4.40 5.60 5.77 7.28 6.98 5.32 4.23 5.11 3.65 5.11 MEAN OF MIXING RATIO AT 15 GMT. 4.05 3.34 4.07 4.02 5.24 5.49 6.77 6.66 4.98 3.98 4.41 3.29 4.69 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -14.0 -14.0 -12.0 -3.5 1.0 4.5 7.0 7.5 1.5 -5.5 -5.0 -17.0 -17.0 DAY 8 7 10 4 5 4 28 29 28 22 1 25 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 13.0 12.5 19.5 23.0 30.0 34.0 35.5 33.0 31.0 26.5 20.0 12.0 35.5 DAY 27 20 23 19 30 24 26 1 5 1 2 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 6.5 20.0 10.0 3.5 14.0 0.5 0.0 0.0 0.0 0.0 15.5 57.0 57.0 DAY 2 1 24 29 17 12 ** ** ** ** 13 19 MONTHLY TOTAL PRECIPITATION IN MM. 14.5 49.9 29.2 8.0 15.0 0.5 0.0 0.0 0.0 0.0 28.0 107.0 252.1 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 37.1 9.3 0.0 53.6 NO. OF DAYS WITH PRECIPITATION. 4 8 6 3 2 1 0 0 0 0 6 10 40 NO. OF DAYS PRECIPITATION EQUAL 3 8 6 3 2 0 0 0 0 0 6 10 38 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 2 1 0 1 0 0 0 0 0 1 2 7 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 77 78 76 70 61 47 44 47 46 56 74 81 63 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 58 53 48 30 28 19 21 24 19 23 46 62 36 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 65 60 54 33 30 21 21 26 21 27 48 72 40 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 24 24 16 0 0 0 0 0 0 4 3 21 92 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 6 6 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 1 18 28 16 10 0 0 0 73 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 22 10 0 0 0 0 0 12 24 25 147 DATE OF START AND END FREEZING START = 12 OCT. END = 26 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 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. -4.7 -1.7 2.5 9.4 14.0 18.9 22.3 20.4 16.4 13.0 4.4 -4.3 9.2 AVERAGE OF MINIMUM TEMPERATURE IN C. -11.9 -8.3 -4.1 1.9 6.0 9.0 13.0 10.7 5.7 3.1 -2.1 -11.8 0.9 AVERAGE OF MAXIMUM TEMPERATURE IN C. 2.4 4.9 9.1 16.9 22.1 28.8 31.5 30.0 27.0 22.8 10.9 3.3 17.5 DIFFERENCE BETWEEN AVERAGE MAXIMUM 14.3 13.2 13.2 15.0 16.1 19.8 18.5 19.3 21.3 19.7 13.0 15.1 16.5 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.07 2.56 3.22 5.26 6.09 6.00 6.58 5.49 3.95 4.00 3.75 2.05 4.25 MEAN OF MIXING RATIO AT 09 GMT. 3.25 3.82 4.07 5.94 5.49 5.33 6.48 5.91 5.04 5.34 4.62 3.69 4.92 MEAN OF MIXING RATIO AT 15 GMT. 2.82 3.28 3.73 5.55 5.55 5.26 6.10 5.59 4.86 4.63 4.40 3.24 4.58 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -17.5 -13.5 -7.5 -4.5 2.5 4.0 11.0 7.5 2.5 -1.5 -8.5 -18.0 -18.0 DAY 25 17 1 2 1 2 10 12 11 31 27 24 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 7.5 12.0 16.0 23.0 27.5 34.5 34.5 32.0 29.5 27.0 18.5 9.5 34.5 DAY 4 28 30 18 31 28 1 4 27 3 2 2 24 HOUR MAXIMUM PRECIPITATION IN MM. 5.0 7.0 20.5 18.0 21.0 0.0 0.0 0.0 0.0 0.5 40.0 22.0 40.0 DAY 27 10 8 29 4 ** ** ** ** 23 30 20 MONTHLY TOTAL PRECIPITATION IN MM. 9.0 25.5 79.5 79.0 47.5 0.0 0.0 0.0 0.0 0.5 184.5 67.0 492.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 23.1 25.7 0.0 51.2 NO. OF DAYS WITH PRECIPITATION. 4 7 7 9 7 0 0 0 0 1 12 5 52 NO. OF DAYS PRECIPITATION EQUAL 4 6 7 9 6 0 0 0 0 0 12 5 49 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 4 4 2 0 0 0 0 0 7 3 20 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 79 80 77 79 68 51 48 44 48 60 77 79 66 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 65 64 52 48 32 19 20 19 20 27 51 65 40 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 70 67 56 55 41 23 21 22 23 29 57 71 45 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 29 26 18 1 0 0 0 0 0 0 8 29 111 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 10 1 0 0 0 0 0 0 0 0 0 8 19 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 9 29 21 0 0 0 0 59 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 7 0 0 0 0 0 8 24 31 156 DATE OF START AND END FREEZING START = 24 OCT. END = 14 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 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. -5.2 -1.9 3.4 9.4 16.9 20.0 21.6 21.6 18.2 10.3 6.4 1.2 10.2 AVERAGE OF MINIMUM TEMPERATURE IN C. -12.5 -9.3 -2.1 1.2 7.7 9.5 11.7 12.0 7.6 3.0 -2.3 -6.1 1.7 AVERAGE OF MAXIMUM TEMPERATURE IN C. 2.2 5.6 8.9 17.5 26.1 30.4 31.5 31.2 28.8 17.6 15.0 8.6 18.6 DIFFERENCE BETWEEN AVERAGE MAXIMUM 14.7 14.9 11.0 16.3 18.4 20.9 19.8 19.2 21.2 14.6 17.2 14.7 16.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.01 2.49 3.84 4.41 5.34 5.78 6.14 5.86 5.21 4.70 3.31 2.73 4.32 MEAN OF MIXING RATIO AT 09 GMT. 2.97 3.47 4.47 4.68 6.36 7.69 7.42 6.32 6.95 5.80 5.54 4.33 5.50 MEAN OF MIXING RATIO AT 15 GMT. 2.78 3.19 4.01 4.50 5.78 6.99 7.21 6.21 6.18 5.33 4.95 4.18 5.11 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -20.5 -16.5 -7.0 -6.5 5.0 7.0 9.5 9.0 3.5 -5.5 -9.5 -11.5 -20.5 DAY 9 14 28 6 1 1 1 30 29 12 30 1 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 8.5 9.5 13.5 24.5 32.0 32.5 34.0 33.0 32.5 26.0 25.5 14.5 34.0 DAY 31 28 10 30 13 7 23 16 7 2 17 20 24 HOUR MAXIMUM PRECIPITATION IN MM. 7.0 17.0 30.0 14.5 5.5 0.0 13.0 1.5 0.0 14.5 12.0 28.0 30.0 DAY 6 9 3 27 5 ** 28 8 ** 26 3 24 MONTHLY TOTAL PRECIPITATION IN MM. 19.0 40.0 104.0 35.0 7.5 0.0 27.5 2.5 0.0 47.0 12.0 125.5 420.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 38.8 10.1 7.1 43.9 NO. OF DAYS WITH PRECIPITATION. 3 5 11 7 2 0 4 2 0 5 1 7 47 NO. OF DAYS PRECIPITATION EQUAL 3 5 11 7 2 0 4 2 0 5 1 7 47 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 1 6 1 0 0 1 0 0 2 1 5 17 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 78 79 76 69 50 47 47 46 52 66 69 73 63 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 60 52 55 34 27 25 24 20 24 43 46 55 39 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 65 59 59 42 32 27 28 23 26 47 49 62 43 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 26 24 10 5 0 0 0 0 0 1 9 26 101 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 12 0 0 0 0 0 0 0 0 0 0 0 12 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 1 23 27 29 12 0 0 0 92 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 31 28 22 13 0 0 0 0 0 4 23 29 150 DATE OF START AND END FREEZING START = 12 OCT. END = 13 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 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.***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** 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 CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 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. -7.1 -6.4 3.3 10.2 14.8 20.1 23.2 23.0 17.9 13.3 6.3 -1.0 9.8 AVERAGE OF MINIMUM TEMPERATURE IN C. -13.1 -13.8 -3.3 2.3 7.2 9.1 12.4 13.1 6.4 2.1 -2.6 -8.2 1.0 AVERAGE OF MAXIMUM TEMPERATURE IN C. -1.2 1.0 9.9 18.0 22.3 31.1 33.9 32.9 29.4 24.5 15.2 6.2 18.6 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.9 14.8 13.2 15.7 15.1 22.0 21.5 19.8 23.0 22.4 17.8 14.4 17.6 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.75 1.76 3.27 4.92 5.58 5.64 6.97 6.13 5.53 3.87 3.65 2.56 4.30 MEAN OF MIXING RATIO AT 09 GMT. 2.69 2.53 4.30 4.87 5.66 7.19 6.66 7.25 8.75 7.72 4.91 3.71 5.52 MEAN OF MIXING RATIO AT 15 GMT. 2.38 2.50 4.03 4.47 5.14 5.84 6.54 6.35 8.43 7.03 4.76 3.48 5.08 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -22.5 -22.5 -8.5 -5.5 3.5 7.0 9.5 11.0 2.5 -1.0 -6.0 -15.0 -22.5 DAY 8 6 1 1 1 9 18 18 18 23 24 8 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 9.0 7.5 15.5 23.0 31.0 35.5 37.5 37.5 33.5 29.0 18.5 17.0 37.5 DAY 1 28 25 16 31 22 12 3 4 8 1 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 20.0 17.5 28.0 8.0 0.0 0.0 0.0 0.0 0.0 0.0 16.0 50.0 50.0 DAY 3 19 29 12 ** ** ** ** ** ** 17 4 MONTHLY TOTAL PRECIPITATION IN MM. 35.5 34.0 87.5 28.5 0.0 0.0 0.0 0.0 0.0 0.0 48.5 110.0 344.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 45.6 8.3 0.0 46.1 NO. OF DAYS WITH PRECIPITATION. 6 6 11 6 0 0 0 0 0 0 7 5 41 NO. OF DAYS PRECIPITATION EQUAL 6 6 11 6 0 0 0 0 0 0 7 5 41 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 1 3 0 0 0 0 0 0 0 2 3 10 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 79 77 70 70 53 46 46 46 61 63 76 78 64 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 67 57 50 35 31 23 19 21 30 36 42 57 39 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 69 62 55 39 32 23 21 22 35 41 50 64 43 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 31 28 13 3 0 0 0 0 0 0 8 24 107 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 23 14 0 0 0 0 0 0 0 0 0 0 37 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 1 20 31 31 17 0 0 0 100 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 25 8 0 0 0 0 0 3 26 29 150 DATE OF START AND END FREEZING START = 23 OCT. END = 8 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 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. -6.6 -4.1 3.9 9.3 ***** ***** 21.1 21.5 17.1 ***** ***** -1.4 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -13.7 -11.6 -3.9 0.5 ***** ***** 10.2 9.4 4.3 ***** ***** -9.8 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 0.5 3.3 11.6 18.1 ***** ***** 32.0 33.6 30.0 22.2 17.7 9.8 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 14.2 14.9 15.5 17.6 ***** ***** 21.8 24.2 25.7 ***** ***** 19.5 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.77 2.14 3.39 4.19 ***** ***** 8.55 6.04 4.28 3.73 3.18 2.27 ***** MEAN OF MIXING RATIO AT 09 GMT. 2.98 3.33 4.47 4.46 ***** ***** 5.92 4.06 3.13 3.43 3.41 3.65 ***** MEAN OF MIXING RATIO AT 15 GMT. 2.27 3.17 4.78 4.42 ***** ***** 5.16 3.95 6.14 3.44 3.35 3.61 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -23.5 -20.0 -14.0 -5.5 ***** ***** 7.5 6.5 1.5 ***** ***** -18.5 ****** DAY 12 13 1 9 ** ** 4 21 30 ** ** 28 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 6.0 9.5 16.5 24.5 ***** ***** 34.5 36.0 32.0 26.5 22.0 17.0 ****** DAY 1 19 12 27 ** ** 1 17 5 1 5 7 24 HOUR MAXIMUM PRECIPITATION IN MM. 36.0 25.0 30.0 3.0 ***** ***** 0.0 0.0 0.0 2.0 5.0 7.0 ****** DAY 6 5 14 2 ** ** ** ** ** 29 13 25 MONTHLY TOTAL PRECIPITATION IN MM. 81.5 48.5 61.5 6.5 ***** ***** 0.0 0.0 0.0 2.0 5.0 13.0 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 87.8 3.0 0.0 9.2 NO. OF DAYS WITH PRECIPITATION. 9 3 5 3 *** *** 0 0 0 1 1 3 *** NO. OF DAYS PRECIPITATION EQUAL 9 3 5 2 *** *** 0 0 0 1 1 3 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 3 3 2 0 *** *** 0 0 0 0 0 0 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 78 77 76 65 *** *** 55 43 45 58 67 71 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 67 62 47 33 *** *** 18 11 10 19 23 46 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 71 72 64 42 *** *** 19 13 24 24 29 53 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 31 26 14 3 *** *** 0 0 0 *** *** 19 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 *** *** 0 0 0 *** *** 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 11 2 0 0 *** *** 0 0 0 0 0 3 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 *** *** 31 30 16 0 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. 31 28 27 15 *** *** 0 0 0 *** *** 20 *** DATE OF START AND END FREEZING START = 2 OCT. END = 23 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 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. -2.0 -2.1 3.7 10.0 13.1 18.1 22.3 21.6 17.8 11.2 6.3 -2.6 9.8 AVERAGE OF MINIMUM TEMPERATURE IN C. -8.8 -9.0 -3.5 1.3 3.2 7.1 11.2 10.5 6.8 2.8 -2.1 -9.1 0.9 AVERAGE OF MAXIMUM TEMPERATURE IN C. 4.7 4.8 10.8 18.7 22.9 29.1 33.4 32.6 28.8 19.7 14.8 3.9 18.7 DIFFERENCE BETWEEN AVERAGE MAXIMUM 13.5 13.8 14.3 17.4 19.7 22.0 22.2 22.1 21.9 16.9 16.9 13.0 17.8 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.56 2.53 3.60 4.34 4.50 5.58 6.43 4.83 4.69 4.81 3.33 2.26 4.12 MEAN OF MIXING RATIO AT 09 GMT. 4.02 3.95 4.41 3.98 4.94 6.19 6.45 5.50 5.12 4.64 4.51 3.95 4.80 MEAN OF MIXING RATIO AT 15 GMT. 3.86 3.57 4.52 3.71 4.31 5.39 5.38 5.19 4.92 4.39 4.50 3.15 4.41 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -14.5 -16.0 -8.5 -3.5 -2.5 2.0 8.0 6.5 2.5 -1.0 -6.5 -21.5 -21.5 DAY 17 14 8 13 4 1 14 28 28 31 27 30 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 10.0 11.0 17.5 24.0 28.0 31.5 36.0 36.0 33.5 23.5 20.0 9.5 36.0 DAY 22 26 19 24 30 6 9 8 4 11 4 12 24 HOUR MAXIMUM PRECIPITATION IN MM. 11.0 20.0 26.0 5.0 0.0 0.0 0.0 0.0 0.0 24.0 6.5 37.0 37.0 DAY 21 1 6 18 ** ** ** ** ** 16 16 9 MONTHLY TOTAL PRECIPITATION IN MM. 31.0 42.5 69.5 16.5 0.0 0.0 0.0 0.0 0.0 32.5 12.5 175.0 379.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 37.7 4.3 0.0 58.0 NO. OF DAYS WITH PRECIPITATION. 7 4 10 6 0 0 0 0 0 4 2 10 43 NO. OF DAYS PRECIPITATION EQUAL 7 4 10 6 0 0 0 0 0 4 2 10 43 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 2 2 0 0 0 0 0 0 1 0 7 13 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 83 80 75 66 52 47 47 40 52 73 72 70 63 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 66 64 48 27 25 22 18 16 19 31 39 67 37 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 78 72 60 30 25 22 16 17 21 34 47 62 40 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 25 24 15 0 0 0 0 0 0 0 11 24 99 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 2 3 0 0 0 0 0 0 0 0 0 5 10 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 13 31 29 16 0 0 0 89 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 31 27 27 9 5 0 0 0 0 2 24 28 153 DATE OF START AND END FREEZING START = 30 OCT. END = 24 MAY IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 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.-10.8 -6.2 -1.3 8.4 13.4 19.0 22.9 20.9 15.8 10.8 6.4 0.4 8.3 AVERAGE OF MINIMUM TEMPERATURE IN C. -18.2 -13.5 -7.6 1.2 5.6 9.7 14.0 12.1 5.8 0.3 -2.0 -5.5 0.2 AVERAGE OF MAXIMUM TEMPERATURE IN C. -3.4 1.1 5.1 15.5 21.2 28.3 31.9 29.7 25.8 21.3 14.8 6.3 16.5 DIFFERENCE BETWEEN AVERAGE MAXIMUM 14.8 14.6 12.7 14.3 15.6 18.6 17.9 17.6 19.9 21.0 16.8 11.8 16.3 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.21 1.61 2.62 4.73 5.24 5.33 7.18 6.14 3.79 3.22 2.85 2.41 3.86 MEAN OF MIXING RATIO AT 09 GMT. 1.91 2.60 3.68 4.81 5.58 6.77 7.63 6.76 5.51 4.10 4.20 3.66 4.77 MEAN OF MIXING RATIO AT 15 GMT. 1.81 2.76 3.75 4.45 5.31 6.20 6.77 6.54 5.64 4.20 3.99 3.42 4.57 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -26.0 -24.0 -19.0 -7.0 1.0 6.0 10.0 9.0 1.0 -5.0 -11.5 -14.0 -26.0 DAY 5 14 1 2 12 6 12 13 30 30 27 31 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 3.0 7.0 14.0 21.0 31.0 33.5 36.0 33.5 29.0 25.5 20.0 13.0 36.0 DAY 2 22 30 13 28 30 5 6 14 3 20 2 24 HOUR MAXIMUM PRECIPITATION IN MM. 13.0 21.0 18.0 11.5 20.0 3.0 0.0 0.0 0.0 0.0 10.0 78.0 78.0 DAY 1 24 31 26 6 13 ** ** ** ** 9 15 MONTHLY TOTAL PRECIPITATION IN MM. 65.0 39.0 40.5 33.0 33.5 3.0 0.0 0.0 0.0 0.0 16.5 122.0 352.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 41.0 19.7 0.0 39.3 NO. OF DAYS WITH PRECIPITATION. 9 4 7 4 5 1 0 0 0 0 4 7 41 NO. OF DAYS PRECIPITATION EQUAL 9 4 7 4 5 1 0 0 0 0 3 7 40 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 3 2 1 1 1 0 0 0 0 0 1 2 11 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 76 72 78 72 60 45 48 49 45 58 56 66 60 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 62 56 57 40 31 24 22 22 23 22 37 53 37 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 69 70 67 44 36 25 22 25 29 27 40 59 43 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 31 26 22 4 0 0 0 0 0 2 9 23 117 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 20 12 5 0 0 0 0 0 0 0 0 0 37 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 1 12 29 16 0 0 0 0 58 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 31 29 31 13 0 0 0 0 0 9 18 28 159 DATE OF START AND END FREEZING START = 9 OCT. END = 20 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 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. -8.2 -4.0 2.1 9.1 12.9 18.6 22.8 21.8 17.8 7.8 4.9 2.9 9.0 AVERAGE OF MINIMUM TEMPERATURE IN C. -14.9 -10.5 -4.4 2.1 5.9 8.7 13.8 12.2 7.8 1.2 -1.5 -6.2 1.2 AVERAGE OF MAXIMUM TEMPERATURE IN C. -1.5 2.5 8.7 16.0 19.8 28.4 31.8 31.4 27.8 14.4 11.4 12.0 16.9 DIFFERENCE BETWEEN AVERAGE MAXIMUM 13.4 13.0 13.1 13.9 13.9 19.7 18.0 19.2 20.0 13.2 12.9 18.2 15.7 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.35 2.06 3.11 4.48 5.71 5.61 7.11 7.65 5.27 3.42 3.29 2.33 4.28 MEAN OF MIXING RATIO AT 09 GMT. 2.47 3.23 4.59 5.50 6.54 7.98 7.43 7.02 5.20 4.08 4.14 4.39 5.21 MEAN OF MIXING RATIO AT 15 GMT. 2.27 3.07 4.24 5.28 6.31 7.94 7.50 6.72 5.43 4.22 4.17 4.25 5.12 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -21.0 -23.0 -10.5 -4.5 1.0 5.5 10.5 10.5 4.5 -1.5 -8.5 -10.0 -23.0 DAY 23 18 23 1 1 4 14 11 28 8 30 13 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 5.5 8.5 15.5 23.0 26.5 32.5 34.0 34.5 31.0 20.0 17.0 16.5 34.5 DAY 8 28 30 19 28 30 16 16 4 1 14 19 24 HOUR MAXIMUM PRECIPITATION IN MM. 41.0 34.0 32.0 49.0 8.0 0.0 0.0 35.0 0.0 0.0 34.0 0.0 49.0 DAY 8 21 9 27 5 ** ** 24 ** ** 12 ** MONTHLY TOTAL PRECIPITATION IN MM. 56.6 117.2 149.5 93.5 14.5 0.0 0.0 35.0 0.0 0.0 66.7 0.0 533.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 60.7 20.3 6.6 12.5 NO. OF DAYS WITH PRECIPITATION. 6 9 9 5 3 0 0 1 0 0 8 0 41 NO. OF DAYS PRECIPITATION EQUAL 5 9 9 5 3 0 0 1 0 0 8 0 40 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 4 6 3 0 0 0 1 0 0 2 0 17 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 67 72 72 67 62 50 45 53 52 55 64 66 60 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 63 60 56 42 39 28 21 21 19 34 42 43 39 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 65 65 62 48 44 31 27 23 25 42 51 53 45 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 29 23 20 1 0 0 0 0 0 0 4 27 104 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 20 8 0 0 0 0 0 0 0 0 0 0 28 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 12 30 26 5 0 0 0 73 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 28 10 0 0 0 0 0 9 22 31 159 DATE OF START AND END FREEZING START = 7 OCT. END = 28 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 MET. MEAN AND EXTREMES FOR THE YEAR 1994 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. -0.5 -0.1 3.8 10.2 13.8 18.3 23.4 22.7 14.7 10.5 5.6 -1.5 10.1 AVERAGE OF MINIMUM TEMPERATURE IN C. -7.0 -7.6 -3.5 1.5 4.7 7.2 12.8 11.6 4.3 1.4 -1.6 -8.6 1.3 AVERAGE OF MAXIMUM TEMPERATURE IN C. 6.1 7.4 11.1 18.9 22.8 29.4 34.0 33.7 25.2 19.6 12.7 5.7 18.9 DIFFERENCE BETWEEN AVERAGE MAXIMUM 13.1 15.0 14.6 17.4 18.1 22.2 21.2 22.1 21.0 18.2 14.3 14.3 17.6 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.32 2.13 3.38 4.38 5.24 5.96 7.90 7.21 4.82 4.82 3.96 2.21 4.53 MEAN OF MIXING RATIO AT 09 GMT. 3.57 3.88 4.58 5.14 5.99 6.95 7.23 6.70 5.54 5.29 5.83 3.89 5.38 MEAN OF MIXING RATIO AT 15 GMT. 3.63 3.59 4.37 5.57 7.21 6.42 6.48 6.02 5.41 5.00 5.76 3.75 5.27 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -15.5 -14.0 -11.5 -4.0 1.0 4.5 8.0 9.0 -0.5 -2.5 -6.5 -16.0 -16.0 DAY 28 20 1 3 2 5 1 26 22 13 18 8 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 15.5 13.5 16.5 24.5 28.0 32.0 36.5 37.0 32.0 28.5 19.0 10.5 37.0 DAY 2 12 16 24 31 21 24 6 3 8 3 2 24 HOUR MAXIMUM PRECIPITATION IN MM. 14.0 36.0 37.0 14.0 4.5 0.0 0.0 0.0 0.0 4.0 34.5 10.0 37.0 DAY 5 1 27 2 4 ** ** ** ** 19 24 1 MONTHLY TOTAL PRECIPITATION IN MM. 28.5 55.5 62.7 24.9 11.0 0.0 0.0 0.0 0.0 19.0 135.0 34.5 371.1 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 39.5 9.7 0.0 50.8 NO. OF DAYS WITH PRECIPITATION. 5 3 7 5 4 0 0 0 0 9 10 8 51 NO. OF DAYS PRECIPITATION EQUAL 5 3 7 4 4 0 0 0 0 9 9 8 49 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 2 2 1 0 0 0 0 0 0 6 1 13 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 68 65 79 65 56 50 49 49 55 70 74 71 63 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 49 51 48 32 30 23 19 18 24 32 55 56 36 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 61 58 55 39 41 24 19 18 26 35 61 64 42 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 23 23 14 1 0 0 0 0 0 0 11 26 98 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 1 0 0 0 0 0 0 0 0 0 0 3 4 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 13 30 31 4 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. 30 27 26 9 0 0 0 0 3 7 19 30 151 DATE OF START AND END FREEZING START = 22 SEP. END = 13 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 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. 0.7 1.6 4.8 9.3 14.0 18.7 23.3 22.9 17.9 11.1 6.3 -2.4 10.7 AVERAGE OF MINIMUM TEMPERATURE IN C. -7.3 -5.0 -3.0 1.4 6.3 9.6 12.9 12.5 8.1 1.7 -3.0 -8.3 2.2 AVERAGE OF MAXIMUM TEMPERATURE IN C. 8.7 8.1 12.6 17.1 21.7 27.9 33.7 33.3 27.8 20.5 15.6 3.5 19.2 DIFFERENCE BETWEEN AVERAGE MAXIMUM 16.0 13.1 15.6 15.7 15.4 18.3 20.8 20.8 19.7 18.8 18.6 11.8 17.0 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.39 2.64 2.97 4.33 6.20 6.86 9.13 7.29 4.92 3.79 2.75 2.07 4.61 MEAN OF MIXING RATIO AT 09 GMT. 4.37 4.02 4.55 4.87 6.25 7.03 6.44 7.02 5.55 5.13 3.91 3.17 5.19 MEAN OF MIXING RATIO AT 15 GMT. 4.50 3.87 4.40 5.42 6.51 7.11 6.17 6.76 5.51 4.63 3.65 3.18 5.14 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -12.5 -9.5 -8.0 -4.5 0.5 5.0 7.0 10.5 3.5 -2.5 -12.0 -15.0 -15.0 DAY 21 26 28 7 10 1 2 13 30 21 29 14 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 11.0 13.0 18.0 21.5 25.0 31.5 36.5 35.0 33.5 26.0 20.0 11.5 36.5 DAY 29 21 25 30 19 13 17 6 1 1 8 2 24 HOUR MAXIMUM PRECIPITATION IN MM. 17.0 21.0 9.0 20.0 22.0 1.5 0.0 0.0 0.5 2.5 0.0 7.0 22.0 DAY 12 5 18 22 30 1 ** ** 20 22 ** 12 MONTHLY TOTAL PRECIPITATION IN MM. 32.5 30.0 26.0 52.5 42.0 2.0 0.0 0.0 0.5 3.5 0.0 27.5 216.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 40.9 44.6 0.2 14.3 NO. OF DAYS WITH PRECIPITATION. 4 3 6 7 5 2 0 0 1 2 0 7 37 NO. OF DAYS PRECIPITATION EQUAL 4 3 6 6 5 1 0 0 0 2 0 7 34 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 1 0 2 1 0 0 0 0 0 0 0 5 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 73 70 67 68 67 56 61 51 49 64 64 69 63 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 53 53 43 34 34 27 17 18 20 30 31 54 35 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 65 61 50 47 44 32 20 20 24 30 33 65 41 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 27 17 13 1 0 0 0 0 0 0 11 26 95 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 4 4 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 9 31 31 9 0 0 0 80 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 26 9 0 0 0 0 0 13 26 31 163 DATE OF START AND END FREEZING START = 14 OCT. END = 25 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 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. -5.8 1.9 3.0 9.7 15.8 20.1 21.9 22.1 18.7 12.3 5.9 3.0 10.7 AVERAGE OF MINIMUM TEMPERATURE IN C. -11.2 -3.4 -1.7 2.4 6.9 10.0 13.2 12.3 7.9 2.4 -2.2 -4.4 2.7 AVERAGE OF MAXIMUM TEMPERATURE IN C. -0.3 7.3 7.7 16.9 24.7 30.2 30.7 31.8 29.6 22.1 14.1 10.3 18.8 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.9 10.6 9.4 14.5 17.8 20.2 17.5 19.5 21.7 19.7 16.3 14.7 16.1 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.81 3.30 3.73 4.56 6.06 6.12 7.21 6.07 5.04 3.58 3.08 2.57 4.43 MEAN OF MIXING RATIO AT 09 GMT. 2.73 4.23 4.23 3.92 5.37 5.59 7.18 7.00 5.30 4.17 3.41 3.76 4.74 MEAN OF MIXING RATIO AT 15 GMT. 2.44 4.11 4.41 4.66 5.47 5.60 6.56 6.86 4.83 3.90 3.00 3.61 4.62 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -20.0 -11.0 -7.5 -3.0 4.5 4.0 10.0 9.0 5.5 -1.5 -7.5 -9.0 -20.0 DAY 22 6 10 7 22 7 20 4 19 20 13 12 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 8.0 14.0 16.0 22.5 30.5 33.5 32.5 35.0 32.5 28.5 21.0 15.5 35.0 DAY 5 9 31 25 31 16 2 22 11 1 1 6 24 HOUR MAXIMUM PRECIPITATION IN MM. 21.5 13.0 48.0 17.0 2.0 2.0 0.0 2.0 0.0 0.0 1.0 8.0 48.0 DAY 6 3 24 15 8 16 ** 30 ** ** 20 15 MONTHLY TOTAL PRECIPITATION IN MM. 40.0 62.5 219.5 45.0 4.5 2.0 0.0 3.5 0.0 0.0 1.0 22.5 400.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 80.4 12.9 0.9 5.9 NO. OF DAYS WITH PRECIPITATION. 7 6 14 9 3 1 0 2 0 0 1 5 48 NO. OF DAYS PRECIPITATION EQUAL 6 6 14 8 3 1 0 2 0 0 1 5 46 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 3 7 1 0 0 0 0 0 0 0 0 12 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 73 78 80 66 60 48 47 44 52 55 70 69 62 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 62 58 56 29 24 18 23 20 17 21 30 44 34 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 67 66 68 43 32 22 24 25 21 27 32 53 40 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 27 13 9 0 0 0 0 0 0 0 10 19 78 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 17 0 0 0 0 0 0 0 0 0 0 0 17 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 1 21 26 29 18 0 0 0 95 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 30 24 21 9 0 0 0 0 0 13 24 30 151 DATE OF START AND END FREEZING START = 16 OCT. END = 27 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 MET. MEAN AND EXTREMES FOR THE YEAR 1997 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. -2.0 -1.8 2.5 8.9 14.4 19.6 24.7 23.6 17.9 13.2 6.1 -1.7 10.5 AVERAGE OF MINIMUM TEMPERATURE IN C. -9.1 -9.3 -4.4 1.4 6.2 10.2 14.5 13.5 7.5 4.4 0.5 -8.0 2.3 AVERAGE OF MAXIMUM TEMPERATURE IN C. 5.0 5.8 9.4 16.4 22.6 29.0 35.0 33.7 28.3 21.9 11.7 4.2 18.6 DIFFERENCE BETWEEN AVERAGE MAXIMUM 14.1 15.1 13.8 15.0 16.4 18.8 20.5 20.2 20.8 17.5 11.2 12.2 16.3 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.84 1.87 2.61 4.24 5.62 6.99 6.92 5.75 4.29 4.10 4.02 2.28 4.21 MEAN OF MIXING RATIO AT 09 GMT. 3.22 3.30 3.91 4.06 4.86 6.03 6.30 6.88 4.98 4.88 4.50 3.27 4.68 MEAN OF MIXING RATIO AT 15 GMT. 2.90 3.12 3.89 4.08 4.90 5.96 6.06 6.60 4.68 4.73 4.26 3.33 4.54 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -21.5 -18.5 -11.0 -9.5 0.0 6.0 10.5 9.0 5.5 -1.5 -4.0 -18.6 -21.5 DAY 20 8 9 11 6 5 6 30 28 27 29 24 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 12.5 15.0 16.5 24.0 28.5 32.0 37.5 36.5 31.0 26.5 18.0 11.0 37.5 DAY 10 21 2 26 28 16 14 1 1 4 3 8 24 HOUR MAXIMUM PRECIPITATION IN MM. 16.5 2.5 18.0 11.0 7.0 4.0 0.0 0.0 0.0 1.0 15.0 13.5 18.0 DAY 16 19 29 15 5 1 ** ** ** 21 3 1 MONTHLY TOTAL PRECIPITATION IN MM. 35.5 2.5 44.5 37.5 13.5 8.5 0.0 0.0 0.0 3.5 53.0 50.0 248.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 33.2 23.9 0.0 42.9 NO. OF DAYS WITH PRECIPITATION. 4 1 12 7 4 3 0 0 0 4 7 7 49 NO. OF DAYS PRECIPITATION EQUAL 4 1 12 7 4 3 0 0 0 3 7 7 48 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 0 1 2 0 0 0 0 0 0 2 2 9 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 68 68 68 66 59 53 41 40 47 57 75 76 60 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 52 48 46 30 25 21 15 18 18 25 46 55 33 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 60 58 62 41 31 25 18 20 21 32 52 66 41 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 29 23 18 3 0 0 0 0 0 0 1 25 99 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 8 2 0 0 0 0 0 0 0 0 0 7 17 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 9 30 31 7 0 0 0 77 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 29 7 1 0 0 0 0 4 14 31 143 DATE OF START AND END FREEZING START = 25 OCT. END = 6 MAY IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 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. -5.5 -2.2 5.4 12.0 15.7 20.4 23.6 22.8 18.9 12.9 8.0 6.1 11.5 AVERAGE OF MINIMUM TEMPERATURE IN C. -11.9 -8.1 -1.1 3.6 7.2 11.0 14.4 13.6 9.0 3.0 -2.2 -3.1 3.0 AVERAGE OF MAXIMUM TEMPERATURE IN C. -0.0 3.6 10.9 20.0 24.1 29.7 32.9 31.9 28.7 22.7 18.1 15.3 19.8 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.9 11.7 12.0 16.4 16.9 18.7 18.5 18.3 19.7 19.7 20.3 18.4 16.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.65 2.39 3.51 4.57 6.22 7.53 8.47 8.51 5.71 4.32 3.10 3.14 4.93 MEAN OF MIXING RATIO AT 09 GMT. 3.68 3.57 4.75 5.08 5.53 8.12 8.57 8.16 7.01 6.19 5.04 4.37 5.84 MEAN OF MIXING RATIO AT 15 GMT. 2.85 3.58 6.17 5.44 5.20 7.21 7.99 8.04 6.96 5.90 4.95 4.36 5.72 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -21.2 -15.8 -10.5 -2.0 1.0 7.5 12.0 11.0 6.5 -0.5 -5.0 -8.5 -21.2 DAY 17 3 4 25 2 3 5 8 6 27 17 23 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 6.5 8.5 20.0 26.0 30.0 32.0 37.0 35.0 32.5 28.0 21.0 20.6 37.0 DAY 25 11 28 15 28 14 11 19 3 1 17 18 24 HOUR MAXIMUM PRECIPITATION IN MM. 21.0 35.5 25.0 4.0 8.5 2.5 0.0 3.0 0.0 7.0 0.0 7.0 35.5 DAY 5 9 1 28 14 19 ** 7 ** 10 ** 4 MONTHLY TOTAL PRECIPITATION IN MM. 43.5 101.8 64.7 8.5 9.0 3.5 0.0 3.0 0.0 14.5 0.0 18.0 266.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 78.8 7.9 1.1 12.2 NO. OF DAYS WITH PRECIPITATION. 5 7 9 3 2 2 0 1 0 3 0 3 35 NO. OF DAYS PRECIPITATION EQUAL 4 6 9 3 1 2 0 1 0 3 0 3 32 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 4 3 0 0 0 0 0 0 0 0 0 8 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 84 79 78 65 62 56 54 59 55 66 71 76 67 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 83 59 50 29 25 26 23 23 24 31 32 35 37 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 87 72 80 43 29 28 25 27 28 36 39 46 45 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 18 22 4 0 0 0 0 0 0 0 6 19 69 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 15 4 0 0 0 0 0 0 0 0 0 0 19 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 1 17 29 27 10 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. 19 26 10 2 0 0 0 0 0 3 28 24 112 DATE OF START AND END FREEZING START = 26 OCT. END = 25 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 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. 0.4 2.3 4.1 10.7 16.5 20.6 22.9 22.6 19.2 13.4 6.3 ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -5.4 -5.0 -3.1 2.5 6.7 9.8 13.6 13.5 8.1 3.4 -1.5 -5.6 3.1 AVERAGE OF MAXIMUM TEMPERATURE IN C. 6.3 9.6 11.4 18.8 26.3 31.5 32.2 31.8 30.2 23.5 14.0 ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.7 14.6 14.5 16.3 19.6 21.8 18.6 18.3 22.1 20.1 15.5 ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.73 2.80 3.18 4.26 4.60 5.63 8.23 6.74 4.02 3.89 3.68 2.65 4.37 MEAN OF MIXING RATIO AT 09 GMT. 4.01 3.93 4.31 4.50 6.40 6.18 7.12 6.77 5.93 4.68 4.14 4.16 5.18 MEAN OF MIXING RATIO AT 15 GMT. 3.89 4.29 4.26 4.20 4.85 5.36 6.03 6.44 5.11 4.40 4.28 4.40 4.79 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -13.0 -14.0 -8.0 -2.5 3.5 5.5 9.5 11.0 4.0 -1.0 -10.2 -9.4 -14.0 DAY 27 7 9 15 2 7 28 1 26 23 30 22 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 11.0 14.5 18.5 24.0 31.0 34.0 36.5 33.0 33.5 31.0 19.0 ***** ****** DAY 6 25 31 27 31 28 9 15 27 1 19 ** 24 HOUR MAXIMUM PRECIPITATION IN MM. 13.0 25.0 16.0 5.0 1.5 0.0 0.0 0.0 0.0 2.0 11.5 9.5 25.0 DAY 25 21 14 3 14 ** ** ** ** 31 8 2 MONTHLY TOTAL PRECIPITATION IN MM. 33.0 72.5 63.5 13.5 1.5 0.0 0.0 0.0 0.0 5.0 25.5 28.0 242.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 69.7 6.2 0.0 24.1 NO. OF DAYS WITH PRECIPITATION. 7 9 6 4 1 0 0 0 0 4 4 5 40 NO. OF DAYS PRECIPITATION EQUAL 6 9 6 3 1 0 0 0 0 3 4 5 37 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 3 4 0 0 0 0 0 0 0 1 0 9 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 79 78 78 67 47 44 54 47 41 61 80 79 63 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 61 47 45 29 25 18 20 19 19 23 36 55 33 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 72 68 56 34 24 19 21 22 20 28 49 71 40 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 22 20 14 0 0 0 0 0 0 0 8 23 87 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 3 0 0 0 0 0 0 0 0 0 0 *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 2 27 23 31 22 1 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. 26 24 25 6 0 0 0 0 0 3 21 29 134 DATE OF START AND END FREEZING START = 22 OCT. END = 19 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 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.***** ***** ***** ***** ***** ***** ***** 22.6 18.8 11.9 4.8 -0.3 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -8.4 -11.7 -4.1 3.4 6.5 9.6 13.2 12.6 8.8 2.4 -1.9 -6.1 2.0 AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** 32.6 28.9 21.3 11.6 5.7 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** ***** ***** ***** ***** ***** 20.0 20.1 18.9 13.5 11.8 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.21 1.67 2.82 3.99 4.80 5.71 8.42 4.89 4.31 4.01 3.36 2.65 4.07 MEAN OF MIXING RATIO AT 09 GMT. 4.12 3.46 3.44 4.49 5.38 6.20 6.38 6.40 5.66 4.85 4.44 3.96 4.90 MEAN OF MIXING RATIO AT 15 GMT. 3.75 2.82 3.89 4.29 4.75 5.58 5.93 6.62 5.56 5.01 4.49 4.20 4.74 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -20.5 -21.5 -9.5 -11.0 2.0 6.5 10.5 9.5 6.0 -2.0 -7.5 -17.0 -21.5 DAY 31 11 4 6 4 15 21 21 27 29 28 17 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** 35.0 32.5 28.0 19.5 9.5 ****** DAY ** ** ** ** ** ** ** 3 1 18 2 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 15.5 18.0 17.0 0.0 0.0 0.0 0.0 0.0 0.5 7.0 7.5 20.0 20.0 DAY 28 25 25 ** ** ** ** ** 6 7 18 1 MONTHLY TOTAL PRECIPITATION IN MM. 43.5 49.0 28.0 0.0 0.0 0.0 0.0 0.0 0.5 14.5 26.0 58.4 219.9 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 54.8 0.0 0.2 45.0 NO. OF DAYS WITH PRECIPITATION. 6 6 4 0 0 0 0 0 1 4 5 9 35 NO. OF DAYS PRECIPITATION EQUAL 6 6 4 0 0 0 0 0 0 4 5 9 34 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 1 1 0 0 0 0 0 0 0 0 2 5 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 77 71 73 56 47 47 54 36 43 61 75 75 60 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 60 66 36 25 21 18 17 18 19 27 45 58 34 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 73 70 53 32 24 20 19 22 24 36 56 78 42 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 25 26 11 1 0 0 0 0 0 0 8 19 90 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 1 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** 31 10 0 0 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** 0 0 0 0 0 *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** 0 0 0 0 0 *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. 29 29 28 5 0 0 0 0 0 4 23 25 143 DATE OF START AND END FREEZING START = 19 OCT. END = 6 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 MET. MEAN AND EXTREMES FOR THE YEAR 2001 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. -2.3 -1.1 6.9 11.9 15.8 20.6 23.5 22.3 18.3 14.2 5.9 2.4 11.5 AVERAGE OF MINIMUM TEMPERATURE IN C. -9.6 -8.0 -2.0 2.1 6.5 10.4 13.9 12.5 8.3 5.3 -2.2 -3.4 2.8 AVERAGE OF MAXIMUM TEMPERATURE IN C. 5.0 5.8 15.7 21.7 25.0 30.9 33.2 32.0 28.3 23.0 14.0 8.2 20.2 DIFFERENCE BETWEEN AVERAGE MAXIMUM 14.6 13.8 17.7 19.6 18.5 20.5 19.3 19.5 20.1 17.7 16.2 11.6 17.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.92 2.39 3.38 4.12 5.25 5.92 6.17 5.65 3.89 4.52 3.19 3.17 4.13 MEAN OF MIXING RATIO AT 09 GMT. 3.48 3.81 3.81 4.17 5.10 6.16 6.56 6.66 5.86 4.62 4.08 4.24 4.88 MEAN OF MIXING RATIO AT 15 GMT. 3.38 3.96 4.20 4.18 4.97 5.50 6.16 6.19 5.73 4.96 4.27 4.35 4.82 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -23.2 -18.2 -6.4 -4.0 2.5 6.0 9.0 9.5 5.5 2.0 -9.5 -9.2 -23.2 DAY 29 1 1 16 1 1 30 1 25 8 20 18 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 12.5 16.5 21.5 25.0 30.0 35.0 37.0 34.5 31.5 27.5 21.5 14.0 37.0 DAY 15 28 31 25 15 30 14 7 10 2 4 28 24 HOUR MAXIMUM PRECIPITATION IN MM. 20.5 7.5 19.0 0.0 11.5 7.0 0.0 4.5 1.0 7.0 28.5 23.5 28.5 DAY 24 19 25 ** 3 15 ** 13 24 29 18 5 MONTHLY TOTAL PRECIPITATION IN MM. 24.5 21.0 37.5 0.0 17.5 15.0 0.0 4.5 1.0 14.0 41.5 116.5 293.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 28.3 11.1 1.9 58.7 NO. OF DAYS WITH PRECIPITATION. 3 5 5 0 2 3 0 1 1 3 4 11 38 NO. OF DAYS PRECIPITATION EQUAL 3 4 5 0 2 3 0 1 1 3 4 11 37 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 0 2 0 1 0 0 0 0 0 1 7 12 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 73 81 77 66 53 46 41 41 41 59 76 79 61 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 58 59 31 23 23 19 18 19 21 23 37 55 32 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 66 76 51 36 32 21 21 22 29 33 54 71 43 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 28 24 8 1 0 0 0 0 0 0 7 13 81 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 7 2 0 0 0 0 0 0 0 0 0 0 9 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 1 22 26 28 12 0 0 0 89 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 31 28 23 8 0 0 0 0 0 0 26 27 143 DATE OF START AND END FREEZING START = 1 NOV. END = 17 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 MET. MEAN AND EXTREMES FOR THE YEAR 2002 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C.***** -0.1 6.1 10.0 14.8 19.5 22.4 23.0 19.8 14.6 6.6 0.8 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** -6.9 -2.2 3.6 5.5 9.6 12.5 12.7 9.6 4.5 -0.5 -4.5 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** 6.8 14.4 16.5 24.1 29.4 32.4 33.3 30.1 24.7 13.6 6.2 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** 13.6 16.6 12.9 18.6 19.8 19.9 20.6 20.5 20.2 14.1 10.7 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** 2.48 3.10 4.56 4.67 6.23 7.34 5.48 4.25 4.16 3.41 3.07 ***** MEAN OF MIXING RATIO AT 09 GMT. ***** 3.81 4.06 4.39 4.91 6.13 6.67 6.80 6.18 4.46 4.27 4.20 ***** MEAN OF MIXING RATIO AT 15 GMT. ***** 3.95 4.11 4.45 4.51 5.23 5.94 6.27 5.70 4.30 4.54 4.42 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** -16.5 -8.8 -2.2 0.0 5.0 9.5 9.5 7.0 0.5 -6.5 -15.5 ****** DAY ** 5 11 4 5 4 1 29 16 23 30 23 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** 13.0 21.0 25.0 30.5 33.5 35.0 35.5 32.5 31.0 25.5 11.0 ****** DAY ** 27 13 28 31 29 19 10 2 29 1 7 24 HOUR MAXIMUM PRECIPITATION IN MM. ***** 10.5 25.0 22.5 30.0 0.0 0.5 0.0 0.0 0.0 8.0 55.0 ****** DAY ** 14 18 20 3 ** 30 ** ** ** 6 9 MONTHLY TOTAL PRECIPITATION IN MM. ***** 23.0 65.5 70.0 34.5 0.0 0.5 0.0 0.0 0.0 18.5 111.0 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 27.4 32.4 0.2 40.1 NO. OF DAYS WITH PRECIPITATION. *** 3 7 6 4 0 1 0 0 0 4 5 *** NO. OF DAYS PRECIPITATION EQUAL *** 3 7 6 4 0 0 0 0 0 3 5 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL *** 1 2 4 1 0 0 0 0 0 0 3 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** 79 71 69 54 50 50 39 40 59 71 82 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** 56 34 33 22 20 18 18 19 20 39 58 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** 73 50 46 33 23 21 21 22 25 55 77 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** 19 14 0 0 0 0 0 0 0 7 17 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** 0 0 0 0 0 0 0 0 0 0 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** 0 0 0 0 0 0 0 0 0 0 1 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** 0 0 0 1 13 31 31 17 2 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. *** 26 21 6 1 0 0 0 0 0 18 27 *** DATE OF START AND END FREEZING START = 3 NOV. END = 5 MAY IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 MET. MEAN AND EXTREMES FOR THE YEAR 2003 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C.***** 0.3 4.9 11.3 14.5 20.0 24.9 22.7 18.5 14.2 6.6 2.4 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** -5.9 -2.4 3.9 5.9 9.8 15.1 12.7 8.1 5.0 -1.8 -4.0 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** 6.6 12.1 18.6 23.1 30.2 34.6 32.6 29.0 23.4 15.0 8.7 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** 12.5 14.5 14.7 17.2 20.4 19.5 19.9 20.9 18.4 16.8 12.7 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** 2.58 3.30 4.60 4.86 6.08 7.21 6.19 4.40 4.10 3.27 2.77 ***** MEAN OF MIXING RATIO AT 09 GMT. ***** 4.23 4.40 4.89 4.90 6.63 7.40 6.69 5.58 4.56 4.49 4.42 ***** MEAN OF MIXING RATIO AT 15 GMT. ***** 4.28 4.40 4.83 4.58 5.68 6.63 5.94 5.24 4.51 4.48 4.58 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** -20.2 -9.6 -4.0 1.0 5.5 9.5 10.5 4.5 2.0 -8.0 -12.5 ****** DAY ** 1 2 2 9 7 2 12 20 24 23 14 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** 14.5 19.0 24.5 26.5 34.0 36.0 35.5 31.5 29.0 21.5 14.5 ****** DAY ** 18 25 6 18 23 11 1 2 29 1 18 24 HOUR MAXIMUM PRECIPITATION IN MM. ***** 21.0 20.5 12.0 0.0 0.0 0.0 0.0 0.0 0.0 5.5 25.5 ****** DAY ** 14 26 17 ** ** ** ** ** ** 28 3 MONTHLY TOTAL PRECIPITATION IN MM. ***** 50.5 58.5 64.5 0.0 0.0 0.0 0.0 0.0 0.0 12.5 72.5 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 42.2 25.0 0.0 32.9 NO. OF DAYS WITH PRECIPITATION. *** 7 7 9 0 0 0 0 0 0 3 9 *** NO. OF DAYS PRECIPITATION EQUAL *** 7 7 9 0 0 0 0 0 0 3 8 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL *** 1 2 2 0 0 0 0 0 0 0 4 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** 77 77 67 55 50 44 44 45 55 72 69 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** 59 42 31 23 21 18 18 19 21 36 53 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** 74 57 46 33 24 20 20 22 28 46 69 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** 17 10 1 0 0 0 0 0 0 7 16 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** 0 0 0 0 0 0 0 0 0 0 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** 2 0 0 0 0 0 0 0 0 0 0 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** 0 0 0 0 17 31 31 11 0 0 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** 0 0 0 0 0 0 0 0 0 0 0 *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** 0 0 0 0 0 0 0 0 0 0 0 *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. *** 25 24 3 0 0 0 0 0 0 20 23 *** DATE OF START AND END FREEZING START = 3 NOV. END = 30 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 MET. MEAN AND EXTREMES FOR THE PERIOD 1974 TO 2003 PAGE 1 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPE. IN C. -3.9 -1.7 3.3 9.9 14.4 19.5 22.7 22.0 17.3 11.6 5.3 0.1 10.1 SD OF MEAN DAILY TEMPERATURE IN C. 2.93 2.59 2.08 1.59 1.50 0.89 1.16 0.94 1.60 1.99 1.72 2.81 1.82 AVERAGE OF MINIMUM TEMPERATURE IN C. -10.7 -8.3 -3.5 2.3 6.3 9.7 13.0 12.0 7.0 2.3 -2.4 -6.6 1.7 AVERAGE OF MAXIMUM TEMPERATURE IN C. 2.9 5.0 10.2 17.6 22.6 29.4 32.4 31.9 27.6 20.8 13.2 7.0 18.4 DIFFERENCE BETWEEN AVERAGE MAXIMUM 13.4 13.4 13.7 15.4 16.3 19.8 19.4 20.0 20.6 18.5 15.4 13.6 16.6 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.07 2.48 3.23 4.54 5.59 6.12 7.06 6.14 4.78 3.98 3.49 2.70 4.34 MEAN OF MIXING RATIO AT 09 GMT. 3.32 3.65 4.16 4.83 5.68 6.53 6.88 6.81 6.06 4.97 4.50 4.01 5.11 MEAN OF MIXING RATIO AT 15 GMT. 3.01 3.42 4.16 4.69 5.42 6.06 6.44 6.45 5.79 4.70 4.29 3.72 4.84 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -26.0 -27.0 -19.0 -11.0 -2.5 0.5 6.5 1.5 -9.0 -8.5 -12.0 -28.0 -28.0 YEAR - DAY 92- 5 83- 3 92- 1 0- 6 91- 4 78- 3 78-17 79-31 80- 9 84-21 95-29 74-29 74-29 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 15.5 16.5 21.5 26.0 32.0 35.5 37.5 37.5 33.5 33.0 25.5 20.6 37.5 YEAR - DAY 94- 2 1-28 1-31 79-21 87-13 89-22 89-12 89- 3 83- 3 78- 6 87-17 98-18 89-12 24 HOUR MAXIMUM PRECIPITATION IN MM. 42.0 74.0 48.0 49.0 30.0 7.0 13.0 35.0 1.0 24.0 40.0 78.0 78.0 YEAR - DAY 81-12 80-11 96-24 93-27 2- 3 1-15 87-28 93-24 79-28 91-16 86-30 92-15 92-15 MONTHLY TOTAL PRECIPITATION IN MM. 45.9 49.6 66.2 30.3 16.2 1.5 1.1 2.0 0.1 9.2 33.8 61.7 317.6 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 51.0 15.1 0.9 33.0 NO. OF DAYS WITH PRECIPITATION. 6 6 8 5 3 1 0 0 0 2 4 6 41 NO. OF DAYS PRECIPITATION EQUAL 6 5 8 5 3 0 0 0 0 2 4 6 39 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 2 2 1 0 0 0 0 0 0 1 2 10 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 77 78 76 68 60 50 48 46 51 61 74 75 64 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 62 59 47 35 30 22 20 20 24 30 44 55 37 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 68 67 59 43 35 24 22 22 28 35 52 63 43 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 27 22 14 1 0 0 0 0 0 1 9 22 96 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 9 3 0 0 0 0 0 0 0 0 0 3 15 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 15 28 26 9 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. 30 26 25 8 0 0 0 0 1 7 24 27 148 DATE OF START AND END FREEZING START = 9 SEP. END = 24 MAY IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION CHADEGAN-FARIDAN LATITUDE 32 46 N DATA PROCESSING CENTER LONGITUDE 50 38 E ELEVATION 2100 MET. MEAN AND EXTREMES FOR THE PERIOD 1974 TO 2003 PAGE 2 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE DRY BULB TEMPERATURE. IN C. -3.4 -1.1 4.0 10.9 16.2 22.3 25.2 24.4 19.4 12.9 6.3 0.9 11.5 AVERAGE DEW POINT TEMPERATURE. IN C. -8.6 -6.7 -3.7 -0.9 1.6 3.3 4.6 3.9 1.4 -1.4 -2.8 -5.3 -1.2 AVERAGE OF MIXING RATIO IN G/KG 2.80 3.18 3.84 4.68 5.56 6.23 6.79 6.46 5.54 4.54 4.09 3.49 4.77 AVERAGE OF VAPOUR PRESSURE HPA 3.51 3.99 4.83 5.90 7.04 7.92 8.63 8.22 7.03 5.74 5.14 4.38 6.03 AVERAGE OF SATURATION DEFICIT IN HPA 1.84 2.18 3.93 8.16 12.63 20.86 25.57 24.72 17.98 10.76 5.29 2.91 11.40 AVERAGE RELATIVE HUMIDITY IN PERCENT 69 68 61 49 42 32 30 29 34 42 56 65 48 AVERAGE OF MAXIMUM RELATIVE HUMIDITY(%) 79 79 77 69 60 50 48 46 52 62 75 78 65 AVERAGE OF MINIMUM RELATIVE HUMIDITY(%) 59 57 47 34 29 21 19 19 23 29 43 53 36 NO. OF DAYS PRECIPITATION EQUAL 3 3 4 2 1 0 0 0 0 1 2 4 20 OR MORE THAN 5 MM.