IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 1 STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 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. ANNUAL 1970 ****** -9.0 -2.6 ****** ****** ****** ****** ****** ****** ****** -6.3 ****** ****** 1971 -7.2 -2.6 ****** ****** ****** ****** ****** ****** ****** ****** ****** -7.1 ****** 1972 -22.3 -20.9 -6.1 1.9 4.1 9.4 12.4 ****** 11.4 10.2 6.4 -4.8 ****** 1973 -22.3 -16.0 -5.4 2.2 4.8 10.6 12.6 12.2 11.9 10.9 7.0 -4.9 2.0 1974 -23.9 -17.0 -1.7 5.1 4.6 8.9 13.1 10.0 7.2 -2.7 -5.2 -17.6 -1.6 1975 ****** ****** ****** 3.0 11.6 15.6 18.7 16.0 8.8 -0.2 -4.6 -8.6 ****** 1976 -12.9 -13.1 -4.8 6.0 15.5 24.7 26.8 23.1 ****** ****** -9.1 ****** ****** 1977 ****** ****** ****** ****** ****** 17.0 17.9 15.8 ****** ****** ****** -8.8 ****** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** -13.1 -4.3 -0.9 2.8 7.7 8.9 10.2 3.7 -3.3 -3.8 -16.0 ****** 1985 -18.3 -12.9 -10.0 0.9 3.3 7.5 11.1 7.6 4.4 -1.1 -3.3 -8.0 -1.6 1986 -12.0 -5.5 -4.9 2.4 5.4 9.0 11.0 9.4 4.3 3.2 -2.0 -10.7 0.8 1987 -10.1 -5.7 -2.1 0.7 7.2 8.8 11.0 10.0 6.3 0.5 -2.5 ****** ****** 1988 -12.9 -11.1 ****** 1.2 5.5 6.9 9.9 10.1 5.6 0.9 -3.1 -8.1 ****** 1989 -17.6 -16.5 -3.9 -0.9 4.9 7.3 10.6 10.2 3.9 0.2 -2.5 -5.5 -0.8 1990 -10.3 -10.1 -3.9 -0.1 5.4 9.3 11.6 12.5 5.8 -0.1 -3.6 -9.1 0.6 1991 -10.0 -9.7 -2.4 1.6 4.5 6.9 10.2 11.2 4.4 0.7 -2.4 -14.7 0.0 1992 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1993 -16.2 -11.6 -5.4 1.1 5.4 8.3 10.8 10.8 ****** -0.4 -2.4 -5.5 ****** 1994 -6.6 -8.4 -2.5 1.9 4.1 8.0 12.0 12.7 4.3 1.7 0.2 -8.5 1.6 1995 -8.5 -5.6 -3.9 1.6 5.6 8.7 13.5 12.3 6.3 -0.1 -4.1 -11.5 1.2 1996 -11.7 -7.2 -5.4 0.7 6.0 8.8 10.6 10.1 6.2 1.0 -5.4 -6.5 0.6 1997 -10.2 -11.2 -5.4 0.1 4.6 10.1 14.7 12.0 6.1 2.4 -2.2 -5.8 1.3 1998 -15.8 -11.6 -3.2 2.1 5.9 9.6 12.7 12.3 7.6 1.1 -2.7 -4.3 1.1 1999 -8.4 -6.0 -4.9 0.6 4.4 8.8 11.2 11.1 7.0 1.8 -3.8 -6.2 1.3 2000 -9.5 -15.7 -5.2 2.6 5.5 7.9 11.3 11.2 8.2 1.2 -4.5 -5.7 0.6 MEAN -13.3 -10.9 -4.4 1.6 5.8 10.0 12.9 11.9 6.5 1.4 -2.7 -8.5 0.9 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 3 STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 MET. AVERAGE OF MAXIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1970 ****** 4.1 9.8 17.8 23.4 27.8 30.9 29.9 20.4 16.1 12.5 ****** ****** 1971 -0.3 1.1 ****** ****** ****** ****** ****** ****** ****** ****** ****** 4.8 ****** 1972 -6.0 -3.4 3.4 16.8 16.9 25.4 28.8 ****** 26.3 20.3 21.4 7.5 ****** 1973 -6.7 -2.7 3.0 16.3 17.9 26.3 29.1 28.3 26.5 20.9 21.0 7.5 15.6 1974 -7.5 ****** ****** ****** 22.4 27.8 26.9 28.8 23.6 17.7 ****** ****** ****** 1975 ****** ****** ****** ****** ****** 28.0 32.3 30.0 ****** 18.9 10.9 2.0 ****** 1976 0.8 -0.4 4.7 12.3 19.4 29.9 30.2 ****** ****** ****** ****** ****** ****** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 3.7 1.6 10.8 17.4 18.2 ****** 29.7 30.9 25.5 17.3 ****** -2.8 ****** 1985 0.1 3.7 6.1 18.4 22.9 28.1 30.2 26.7 27.0 17.7 13.7 4.6 16.6 1986 4.5 5.7 6.1 16.0 21.0 25.8 30.2 27.1 25.3 20.7 8.5 1.6 16.0 1987 5.3 6.3 7.5 16.5 23.6 26.9 27.2 27.2 24.4 12.6 11.2 ****** ****** 1988 -0.2 -0.7 ****** 12.5 20.0 26.0 26.6 25.3 26.2 21.4 11.7 3.0 ****** 1989 ****** ****** 4.3 11.8 18.8 25.4 30.7 29.9 24.3 22.0 14.8 7.9 ****** 1990 -2.4 -1.4 9.1 18.1 25.4 30.1 25.7 26.7 24.0 17.5 11.6 1.2 15.5 1991 -3.2 -2.7 3.1 11.2 16.3 22.2 28.3 27.7 23.4 18.8 12.7 0.7 13.2 1992 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1993 -1.3 0.5 5.3 16.0 20.2 25.6 27.4 27.6 ****** 17.2 7.9 7.4 ****** 1994 5.1 3.7 10.7 17.3 20.3 25.3 29.7 30.2 21.5 16.1 11.8 3.6 16.3 1995 5.0 6.4 11.2 15.9 19.5 23.9 30.5 31.1 25.1 17.5 13.9 2.8 16.9 1996 1.5 3.1 4.8 13.8 20.8 25.0 26.4 28.1 27.0 17.6 10.6 9.1 15.7 1997 4.8 3.8 6.2 16.0 20.7 26.4 30.3 31.3 24.3 20.0 9.4 4.3 16.4 1998 -3.1 0.0 8.3 16.8 20.5 26.3 27.8 28.3 25.1 18.7 15.2 10.1 16.2 1999 3.9 7.6 8.9 15.0 22.6 27.7 26.3 29.3 25.0 19.4 8.5 7.3 16.8 2000 3.1 -0.6 8.7 19.8 24.9 26.4 28.2 28.7 25.6 16.7 8.1 4.1 16.1 MEAN 0.4 1.8 7.0 15.8 20.7 26.5 28.8 28.6 24.7 18.3 12.4 4.6 15.8 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 4 STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 MET. DIFFERENCE BETWEEN AVERAGE MAXIMUM AND MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1970 ****** 13.1 12.4 ****** ****** ****** ****** ****** ****** ****** 18.8 ****** ****** 1971 6.9 3.7 ****** ****** ****** ****** ****** ****** ****** ****** ****** 11.9 ****** 1972 16.3 17.5 9.5 14.9 12.8 16.0 16.4 ****** 14.9 10.1 15.0 12.3 ****** 1973 15.6 13.3 8.4 14.1 13.1 15.7 16.5 16.1 14.6 10.0 14.0 12.4 13.6 1974 16.4 ****** ****** ****** 17.8 18.9 13.8 18.8 16.4 20.4 ****** ****** ****** 1975 ****** ****** ****** ****** ****** 12.4 13.6 14.0 ****** 19.1 15.5 10.6 ****** 1976 13.7 12.7 9.5 6.3 3.9 5.2 3.4 ****** ****** ****** ****** ****** ****** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** 14.7 15.1 18.3 15.4 ****** 20.8 20.7 21.8 20.6 ****** 13.2 ****** 1985 18.4 16.6 16.1 17.5 19.6 20.6 19.1 19.1 22.6 18.8 16.9 12.6 18.2 1986 16.5 11.2 11.0 13.6 15.6 16.8 19.2 17.7 20.9 17.5 10.5 12.3 15.2 1987 15.4 12.0 9.6 15.8 16.4 18.1 16.2 17.2 18.1 12.1 13.7 ****** ****** 1988 12.7 10.4 ****** 11.3 14.5 19.1 16.7 15.2 20.6 20.5 14.8 11.1 ****** 1989 ****** ****** 8.2 12.7 13.9 18.1 20.1 19.7 20.3 21.8 17.3 13.4 ****** 1990 7.9 8.7 13.0 18.2 20.0 20.8 14.1 14.2 18.2 17.6 15.2 10.3 14.8 1991 6.8 7.0 5.5 9.6 11.8 15.3 18.1 16.5 19.0 18.1 15.1 15.4 13.2 1992 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1993 14.9 12.1 10.7 14.9 14.8 17.3 16.6 16.8 ****** 17.6 10.3 12.9 ****** 1994 11.7 12.1 13.2 15.4 16.2 17.3 17.7 17.5 17.2 14.4 11.6 12.1 14.7 1995 13.5 12.0 15.1 14.3 13.9 15.2 17.0 18.8 18.8 17.6 18.0 14.3 15.7 1996 13.2 10.3 10.2 13.1 14.8 16.2 15.8 18.0 20.8 16.6 16.0 15.6 15.0 1997 15.0 15.0 11.6 15.9 16.1 16.3 15.6 19.3 18.2 17.6 11.6 10.1 15.2 1998 12.7 11.6 11.5 14.7 14.6 16.7 15.1 16.0 17.5 17.6 17.9 14.4 15.0 1999 12.3 13.6 13.8 14.4 18.2 18.9 15.1 18.2 18.0 17.6 12.3 13.5 15.5 2000 12.6 15.1 13.9 17.2 19.4 18.5 16.9 17.5 17.4 15.5 12.6 9.8 15.5 MEAN 13.3 12.1 11.5 14.3 15.1 16.7 16.1 17.4 18.6 17.1 14.6 12.5 14.9 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 5 STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1970 ****** ****** ****** ****** ****** 6.00 ****** 9.82 7.24 3.44 2.01 ****** ****** 1971 ****** ****** 3.84 5.10 8.20 10.39 ****** ****** 6.23 9.02 4.07 ****** ****** 1972 ****** ****** ****** ****** ****** ****** ****** ****** 13.34 8.64 7.62 ****** ****** 1973 1.16 1.77 4.14 ****** ****** ****** 13.87 13.34 13.73 9.05 7.68 3.79 ****** 1974 ****** ****** 4.74 4.41 5.33 8.64 9.48 7.67 6.62 3.05 2.69 0.98 ****** 1975 0.67 1.50 ****** 5.97 10.59 9.72 10.33 9.67 7.81 4.19 3.03 1.85 ****** 1976 1.84 1.82 3.28 6.77 12.28 24.23 26.54 20.76 8.45 ****** 2.19 1.16 ****** 1977 1.09 1.93 5.56 6.60 7.89 12.65 11.99 10.20 4.65 4.77 4.28 1.78 6.12 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 1.83 1.74 3.70 4.75 6.21 8.60 9.13 9.69 6.08 3.80 3.68 1.34 5.05 1985 1.42 1.91 2.71 5.27 6.22 8.49 10.38 8.40 6.58 4.48 3.68 2.68 5.18 1986 1.91 3.05 3.27 5.39 6.81 9.10 9.85 9.04 6.13 5.48 3.75 2.14 5.49 1987 2.19 2.96 3.63 4.96 7.28 8.53 9.47 9.59 6.92 4.41 3.46 ****** ****** 1988 1.47 1.99 ****** 5.01 6.68 7.19 9.53 9.82 7.03 4.98 3.76 2.62 ****** 1989 1.09 1.22 3.50 4.26 6.58 7.69 10.12 9.87 6.28 4.63 4.03 3.11 5.20 1990 2.14 2.00 3.94 4.98 7.39 9.52 10.89 11.39 7.22 4.71 3.52 2.42 5.84 1991 2.11 2.27 4.00 5.79 6.64 7.75 9.95 10.46 6.44 4.97 3.59 1.39 5.45 1992 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1993 1.26 1.80 2.91 4.43 6.10 6.75 8.37 8.30 ****** 4.05 3.93 2.82 ****** 1994 2.77 2.38 3.41 4.70 5.63 8.13 9.19 9.30 5.88 5.18 4.26 2.22 5.25 1995 2.21 2.72 3.03 4.73 6.07 7.46 9.61 7.26 5.44 4.09 2.69 1.81 4.76 1996 1.87 2.58 3.01 4.95 7.22 7.85 8.33 7.33 5.14 4.52 2.69 2.27 4.81 1997 2.04 1.76 2.75 3.66 5.48 7.54 9.15 6.30 5.41 4.13 3.80 2.81 4.57 1998 1.52 2.05 3.19 4.63 6.21 7.39 9.32 8.79 7.33 4.89 3.42 3.01 5.15 1999 2.15 2.44 2.68 4.33 5.42 6.30 8.49 7.42 6.52 4.52 3.27 2.76 4.69 2000 2.39 1.53 3.26 4.31 4.64 6.29 7.71 7.51 6.71 4.69 3.14 2.81 4.58 MEAN 1.76 2.08 3.53 5.00 6.90 8.92 10.56 9.64 7.10 5.03 3.76 2.29 5.54 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 6 STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1970 ****** ****** ****** ****** ****** ****** ****** 11.93 8.10 4.55 5.52 ****** ****** 1971 ****** ****** 4.19 5.11 14.13 17.39 ****** ****** 10.96 13.41 5.23 4.86 ****** 1972 ****** ****** ****** ****** ****** ****** ****** ****** 18.09 12.12 11.02 4.95 ****** 1973 ****** ****** ****** ****** ****** ****** 24.70 25.44 18.66 12.74 11.21 4.95 ****** 1974 ****** ****** 6.76 5.19 5.00 8.32 9.72 6.42 7.08 4.62 4.31 1.46 ****** 1975 1.62 2.62 ****** 13.02 17.64 8.84 8.88 8.55 7.81 4.00 4.27 3.43 ****** 1976 3.22 3.37 4.20 7.62 13.08 26.81 28.90 22.55 9.08 ****** 2.17 1.51 ****** 1977 2.06 3.43 8.40 10.59 12.42 17.13 13.67 8.94 5.62 5.34 7.82 3.41 8.24 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 4.80 3.93 5.63 7.98 9.66 15.86 18.48 16.72 11.23 6.57 5.65 2.93 9.12 1985 3.36 3.56 4.85 7.50 10.92 16.09 17.32 13.63 11.97 8.45 7.25 3.78 9.06 1986 2.97 4.27 4.29 7.82 10.02 12.81 16.35 14.93 11.88 8.80 4.28 3.88 8.53 1987 3.50 4.20 4.68 6.96 10.49 10.15 8.60 8.55 6.02 4.81 6.62 ****** ****** 1988 2.93 4.23 ****** 7.17 7.39 5.72 7.61 8.97 7.28 6.35 6.19 4.37 ****** 1989 2.59 2.97 6.07 8.43 9.56 12.96 24.74 26.18 18.13 12.87 7.78 6.05 11.53 1990 3.46 3.80 7.18 11.40 17.26 21.83 16.75 22.30 17.27 11.23 7.78 4.82 12.09 1991 3.46 3.58 5.38 8.31 11.73 15.25 23.53 23.21 15.35 13.66 6.51 2.49 11.04 1992 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1993 3.01 3.42 4.54 4.21 5.64 6.19 8.96 7.74 ****** 3.75 4.69 3.79 ****** 1994 3.48 2.96 3.57 4.08 4.56 10.26 9.66 7.56 7.45 6.77 4.51 2.54 5.62 1995 3.03 3.46 3.55 5.08 5.21 6.87 8.71 7.48 4.91 4.09 2.81 3.06 4.85 1996 2.82 3.22 3.52 4.89 6.71 6.71 7.31 6.52 4.57 4.69 3.24 2.79 4.75 1997 2.68 2.11 2.94 3.29 4.39 5.91 7.01 5.02 4.16 3.78 4.30 3.40 4.08 1998 2.35 2.72 3.67 4.10 5.05 6.31 7.72 7.53 5.97 4.55 3.61 3.73 4.78 1999 2.54 2.90 3.08 4.26 4.76 5.15 8.17 6.29 6.30 5.03 4.08 3.51 4.67 2000 2.92 2.69 3.49 3.92 3.35 4.96 6.27 6.40 5.35 4.87 3.61 3.34 4.27 MEAN 2.99 3.34 4.74 6.72 9.00 11.51 13.48 12.41 9.71 7.27 5.61 3.60 7.53 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 7 STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1970 ****** ****** ****** ****** ****** ****** ****** 10.18 6.56 4.15 4.88 ****** ****** 1971 ****** ****** 3.74 5.15 10.20 12.54 ****** ****** 7.46 11.00 4.73 4.54 ****** 1972 ****** ****** ****** ****** ****** ****** ****** ****** 15.78 9.96 10.09 4.65 ****** 1973 ****** ****** ****** ****** ****** ****** 17.29 16.89 16.17 10.36 10.06 4.66 ****** 1974 ****** ****** 6.08 4.19 5.35 7.79 9.30 7.81 8.04 4.84 4.92 1.86 ****** 1975 1.23 2.25 ****** 7.83 12.30 10.66 8.24 8.01 7.81 5.35 4.89 3.11 ****** 1976 2.85 2.73 4.25 6.86 13.52 26.41 28.37 21.75 8.70 ****** ****** 1.68 ****** 1977 1.99 2.83 6.30 9.47 10.76 13.28 12.11 11.04 5.54 6.10 7.55 2.87 7.49 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 3.60 2.88 5.57 7.31 8.78 14.42 17.80 16.83 10.50 6.66 5.55 2.33 8.52 1985 2.62 3.47 4.52 7.24 9.50 13.16 14.45 12.31 10.63 7.71 6.59 4.06 8.02 1986 3.38 4.50 4.25 7.44 9.51 11.79 15.16 13.48 11.18 8.47 4.90 3.16 8.10 1987 3.72 4.02 4.33 6.61 9.47 9.64 8.18 8.39 6.80 5.18 5.88 ****** ****** 1988 2.75 3.45 ****** 6.33 6.22 6.46 7.83 8.89 6.95 7.45 6.21 3.80 ****** 1989 1.96 2.26 5.29 7.93 8.59 10.76 20.98 23.56 11.95 7.53 6.55 4.66 9.34 1990 2.84 3.28 4.91 8.59 13.00 15.50 12.67 18.64 14.90 8.87 6.68 4.15 9.50 1991 2.93 2.93 4.71 6.78 9.70 13.18 19.70 20.06 13.00 12.00 5.77 2.83 9.47 1992 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1993 2.65 3.31 4.33 4.61 5.85 7.08 10.07 9.12 ****** 4.37 4.34 3.54 ****** 1994 3.46 2.85 3.59 4.96 6.00 10.45 9.52 8.99 7.59 6.88 4.81 2.50 5.97 1995 3.11 3.54 3.74 5.19 6.45 7.98 9.83 8.94 6.98 4.74 2.94 2.61 5.51 1996 2.63 3.34 3.67 5.11 7.18 7.79 9.52 8.91 5.71 4.79 3.51 2.80 5.41 1997 2.72 2.01 2.81 3.56 5.52 7.31 8.33 6.48 5.93 4.66 4.29 3.58 4.77 1998 2.25 2.62 3.69 4.84 6.20 8.28 9.36 9.52 7.64 5.22 4.31 3.86 5.65 1999 2.80 2.95 3.27 4.47 5.72 6.60 9.66 8.73 7.95 5.85 4.03 3.25 5.44 2000 2.72 2.53 3.41 4.82 4.79 6.93 8.43 9.00 7.27 5.26 4.17 3.36 5.22 MEAN 2.75 3.04 4.35 6.16 8.32 10.86 12.71 12.17 9.18 6.85 5.56 3.36 7.10 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 8 STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 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 1970 ***** ** -21.0 2 -7.0 27 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** -8.0 26 ***** ** ***** 1971 -13.0 8 -10.0 4 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** -14.5 23 ***** 1972 -33.0 30 -35.0 5 -20.0 1 -3.0 16 0.0 7 5.5 2 10.0 10 ***** ** 4.0 24 7.0 19 -7.0 22 -11.0 20 ***** 1973 -32.0 21 -31.0 5 -15.0 2 -2.0 3 1.0 7 6.0 2 7.0 14 8.0 14 5.0 24 7.0 19 -4.0 30 -11.0 20 -32.0 1974 -32.0 23 -29.0 2 -15.0 7 0.0 11 -5.0 1 4.0 5 8.0 8 5.5 28 1.0 25 -7.0 19 -12.0 28 -31.0 31 -32.0 1975 ***** ** ***** ** ***** ** -9.2 5 4.8 2 11.0 6 15.0 30 11.0 2 3.0 23 -4.5 12 -8.5 9 -16.4 26 ***** 1976 -25.0 3 -26.0 17 -19.5 4 -3.0 2 9.2 1 14.2 4 25.0 10 21.0 7 ***** ** ***** ** -19.5 10 ***** ** ***** 1977 ***** ** ***** ** ***** ** ***** ** ***** ** 13.2 11 13.0 9 13.5 30 ***** ** ***** ** ***** ** -15.0 9 ***** 1978 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1979 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1980 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1981 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1982 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1983 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1984 ***** ** -24.5 1 -18.0 18 -6.0 6 -3.5 3 4.0 1 2.5 19 6.0 25 -2.0 27 -9.0 21 -6.5 9 -24.5 30 ***** 1985 -28.5 5 -21.0 8 -24.0 8 -3.5 9 -2.0 5 3.0 20 8.5 30 2.0 22 1.0 27 -5.0 29 -6.0 22 -14.5 5 -28.5 1986 -22.5 25 -12.5 3 -13.0 17 -3.0 2 0.0 6 5.0 4 7.5 7 3.0 10 -0.5 4 -2.0 18 -9.0 14 -18.5 25 -22.5 1987 -20.0 9 -21.0 12 -9.5 22 -5.5 6 0.0 7 5.0 1 6.0 5 8.5 25 1.5 30 -4.5 17 -11.5 30 ***** ** ***** 1988 -20.0 21 -23.0 13 ***** ** -6.0 6 2.4 31 5.0 1 7.0 3 7.0 25 3.0 25 -2.0 23 -9.5 18 -23.0 30 ***** 1989 -26.0 16 -26.0 4 -11.0 1 -11.0 2 -2.5 3 5.0 3 8.0 29 8.0 20 -2.0 24 -4.5 25 -9.0 23 -10.0 9 -26.0 1990 -20.0 27 -20.0 13 -12.5 21 -5.0 7 0.0 14 2.5 1 9.0 6 6.0 31 2.0 30 -5.5 18 -6.0 24 -24.5 27 -24.5 1991 -19.0 1 -21.0 12 -10.0 11 -4.0 14 0.0 7 4.0 4 7.0 14 8.0 28 -1.5 30 -2.0 8 -7.8 28 -25.0 24 -25.0 1992 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1993 -25.5 20 -23.0 17 -12.0 14 -4.0 6 -0.5 1 3.5 6 3.5 17 8.0 6 ***** ** -8.8 8 -15.6 15 -10.8 7 ***** 1994 -12.8 28 -18.6 4 -6.8 17 -8.4 5 0.2 2 2.0 7 8.0 1 10.2 26 -1.0 23 -4.0 12 -5.0 10 -16.2 8 -18.6 1995 -15.0 2 -12.6 26 -10.0 6 -5.0 7 0.5 11 4.5 1 9.0 1 8.0 11 0.0 22 -6.0 21 -13.0 29 -20.0 21 -20.0 1996 -20.0 22 -20.0 7 -15.0 1 -12.0 5 0.0 2 5.5 8 5.0 31 3.0 3 1.4 21 -3.0 8 -11.0 13 -12.8 2 -20.0 1997 -21.0 29 -23.6 2 -16.0 21 -13.0 12 -1.0 6 5.8 5 10.8 8 6.0 30 1.4 16 -2.5 27 -7.8 30 -14.4 29 -23.6 1998 -26.6 8 -22.4 17 -13.5 3 -5.0 7 1.4 5 6.8 1 10.0 25 10.0 29 3.0 17 -2.5 25 -4.5 26 -11.2 7 -26.6 1999 -14.6 6 -10.5 2 -12.6 19 -6.0 11 -2.5 22 5.0 5 8.5 13 7.8 25 1.5 28 -2.0 14 -11.0 30 -11.5 1 -14.6 2000 -23.5 18 -24.5 9 -16.0 4 -3.0 2 1.0 3 2.0 14 7.0 24 7.5 26 3.0 26 -2.6 30 -10.0 11 -13.0 17 -24.5 LOW. -33.0 30 -35.0 5 -24.0 8 -13.0 12 -5.0 1 2.0 7 2.5 19 2.0 22 -2.0 27 -9.0 21 -19.5 10 -31.0 31 -35.0 YEAR 1972 1972 1985 1997 1974 1994 1984 1985 1984 1984 1976 1974 1972 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 9 STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 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 1970 ***** ** 10.0 22 20.0 31 24.0 8 30.0 25 34.0 24 37.0 28 37.0 1 30.0 2 24.0 2 14.0 1 ***** ** ***** 1971 6.0 20 7.0 26 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** 11.5 1 ***** 1972 0.0 1 6.0 18 11.0 30 22.0 21 25.0 30 32.5 22 35.0 8 ***** ** 31.0 2 30.0 31 30.0 7 12.0 1 ***** 1973 0.0 2 4.0 15 10.0 30 23.0 23 26.0 30 34.0 22 34.0 4 33.0 13 31.0 2 30.0 31 30.0 4 12.0 1 34.0 1974 0.0 2 ***** ** ***** ** ***** ** 28.0 30 34.0 28 33.0 1 32.5 15 27.5 2 21.5 1 ***** ** ***** ** ***** 1975 ***** ** ***** ** ***** ** ***** ** ***** ** 33.0 27 35.0 4 34.5 1 ***** ** 26.0 1 15.0 1 5.5 13 ***** 1976 6.5 22 8.0 9 11.5 31 19.0 12 25.0 27 39.0 27 33.0 23 ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1977 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1978 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1979 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1980 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1981 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1982 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1983 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1984 8.0 27 10.5 13 19.5 12 23.0 21 24.0 28 ***** ** 34.5 16 34.5 16 32.0 3 22.5 4 ***** ** 4.0 14 ***** 1985 7.0 22 8.5 16 17.0 29 25.5 23 29.0 30 34.5 27 35.0 20 33.0 5 30.0 12 24.0 1 17.5 2 11.0 1 35.0 1986 9.0 17 13.0 27 15.0 1 20.0 16 26.0 25 34.0 30 33.5 9 32.0 1 28.5 24 26.0 3 19.5 3 8.0 1 34.0 1987 10.0 31 12.5 4 16.0 9 22.5 17 28.0 9 29.5 29 33.0 21 31.0 15 30.0 6 24.0 3 16.5 6 ***** ** ***** 1988 3.5 6 7.0 29 ***** ** 20.0 23 25.5 25 30.5 13 33.0 3 31.0 3 30.0 15 24.0 3 19.5 10 10.0 10 ***** 1989 ***** ** ***** ** 10.5 25 19.0 26 28.0 28 33.0 30 34.0 15 33.0 13 30.0 4 27.0 13 19.5 13 15.0 3 ***** 1990 7.5 4 4.5 28 22.5 28 27.5 26 32.0 10 38.0 16 33.0 15 30.5 5 26.5 9 24.0 2 15.0 6 15.5 5 38.0 1991 0.0 21 4.0 18 9.5 29 16.0 29 25.0 16 25.5 24 34.0 31 32.0 6 27.5 2 23.0 3 18.0 5 9.0 10 34.0 1992 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1993 6.0 29 6.5 28 15.5 30 23.0 20 25.5 20 31.5 28 32.0 3 32.0 12 ***** ** 25.6 1 14.8 9 11.8 28 ***** 1994 12.2 3 11.4 27 18.0 31 25.0 25 25.6 31 31.0 17 35.0 18 35.0 1 27.8 2 21.6 19 15.8 3 9.0 19 35.0 1995 11.0 31 11.4 22 17.6 25 21.0 3 23.6 6 30.0 21 35.0 13 34.0 5 29.8 9 25.0 4 19.4 2 8.8 1 35.0 1996 8.0 1 11.4 25 17.0 31 20.5 21 27.8 31 31.0 4 30.0 2 32.0 23 30.7 10 21.4 24 16.5 2 13.4 28 32.0 1997 10.8 7 10.4 18 13.5 24 24.5 27 28.5 28 31.0 16 35.0 28 35.6 13 30.6 1 25.0 6 16.0 10 9.2 6 35.6 1998 3.4 30 8.2 7 16.4 29 26.4 16 26.8 12 31.4 28 33.1 13 32.4 28 31.0 1 26.0 1 18.5 2 17.0 13 33.1 1999 10.0 15 13.4 27 17.6 31 20.0 30 29.4 31 31.6 28 32.6 4 31.8 26 31.0 16 25.0 5 14.0 5 15.4 31 32.6 2000 14.0 1 5.4 26 14.4 22 23.6 15 29.2 26 33.0 29 32.4 1 32.5 3 31.0 9 22.5 26 16.0 2 8.4 25 33.0 HIG. 14.0 1 13.4 27 22.5 28 27.5 26 32.0 10 39.0 27 37.0 28 37.0 1 32.0 3 30.0 31 30.0 7 17.0 13 39.0 YEAR 2000 1999 1990 1990 1990 1976 1970 1970 1984 1972 1972 1998 1976 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 10 STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 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 1970 36.0 28 0.0 ** 1.0 16 12.0 24 5.0 4 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** ***** ** ***** 1971 30.0 18 10.5 13 10.0 28 10.0 2 10.0 20 4.0 18 ***** ** ***** ** 0.0 ** 0.0 ** 20.0 19 20.0 30 ***** 1972 20.0 22 32.0 8 25.0 21 13.0 25 18.0 9 8.0 9 4.0 16 ***** ** 0.0 ** 0.0 ** 0.0 ** 9.0 14 ***** 1973 0.0 ** 0.0 ** 19.0 29 15.0 17 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 5.0 26 8.0 17 19.0 1974 29.0 14 25.0 18 30.0 3 7.0 11 10.0 1 0.0 ** 12.0 19 5.0 31 9.0 24 2.0 30 5.0 8 23.0 12 30.0 1975 20.0 3 27.0 22 ***** ** 18.0 23 14.5 6 17.5 3 0.0 ** 0.0 ** 0.0 ** 0.0 ** 11.0 29 29.5 23 ***** 1976 13.0 21 22.0 5 10.0 19 4.0 19 5.0 19 4.0 7 0.0 ** 0.0 ** 0.0 ** ***** ** 0.0 ** 7.0 30 ***** 1977 3.5 9 7.5 9 1.0 31 1.0 1 5.0 18 0.0 ** 0.0 ** 0.0 ** 0.0 ** 2.0 26 6.0 14 4.0 12 7.5 1978 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1979 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1980 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1981 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1982 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1983 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1984 9.0 29 3.0 8 13.0 17 4.0 19 16.0 21 1.0 7 7.0 25 0.0 ** 0.0 ** 5.0 20 15.0 30 6.0 1 16.0 1985 12.0 2 4.0 22 10.0 24 15.0 28 1.0 1 4.0 17 0.0 ** 12.0 28 0.0 ** 4.0 12 4.0 13 10.0 19 15.0 1986 8.0 20 8.0 6 15.0 8 36.0 20 34.0 4 9.0 3 12.0 21 21.0 5 0.0 ** 8.0 25 11.0 29 17.0 20 36.0 1987 12.0 7 12.0 10 18.0 17 15.0 19 16.0 31 5.5 20 9.5 26 9.5 7 6.5 29 12.0 8 0.0 ** ***** ** ***** 1988 13.0 7 18.0 9 12.0 4 20.0 26 7.0 3 9.0 10 10.0 11 27.0 25 2.0 6 13.0 16 14.0 12 12.0 26 27.0 1989 6.0 4 10.0 19 5.0 16 3.0 29 4.0 21 6.0 7 8.0 15 6.0 20 0.0 ** 4.0 30 3.0 15 13.0 4 13.0 1990 6.0 10 11.0 9 10.0 12 12.0 3 3.0 13 0.0 ** 7.0 5 0.0 ** 0.0 ** 4.0 28 12.0 13 11.0 25 12.0 1991 3.0 14 3.0 22 22.0 24 19.0 29 16.0 4 7.0 23 2.0 13 0.0 ** 2.0 16 3.0 11 3.0 11 14.0 12 22.0 1992 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1993 17.0 8 26.0 21 17.0 19 2.0 8 3.0 6 1.5 3 3.0 28 1.0 23 ***** ** 1.0 5 7.0 1 7.0 16 ***** 1994 12.0 5 23.0 1 11.0 27 4.0 18 7.0 17 0.8 5 0.0 ** 0.0 ** 1.0 6 8.2 23 20.0 7 7.0 4 23.0 1995 6.0 1 6.0 18 11.0 18 28.0 24 9.0 28 1.0 4 2.0 5 0.0 ** 5.0 21 8.0 25 4.0 11 7.0 4 28.0 1996 3.0 5 12.0 2 20.0 2 24.0 3 33.0 21 12.0 28 5.0 5 2.0 30 0.6 1 30.0 16 0.0 ** 0.6 15 33.0 1997 10.0 28 5.8 19 15.0 29 4.0 5 8.0 5 14.0 19 0.7 4 1.0 24 0.0 ** 3.6 31 13.0 1 7.0 10 15.0 1998 37.0 6 23.0 15 30.0 30 18.0 6 6.0 30 5.0 12 18.0 16 7.0 3 11.0 14 5.0 12 0.0 ** 9.2 4 37.0 1999 12.0 19 11.0 6 18.0 21 19.0 29 3.0 5 2.0 17 33.0 16 3.0 17 2.6 27 5.0 8 12.0 1 9.0 3 33.0 2000 27.0 28 40.0 14 7.4 1 3.0 22 0.0 ** 6.0 13 5.0 15 4.0 5 4.0 30 14.0 15 3.8 10 19.0 11 40.0 HIG. 37.0 6 40.0 14 30.0 3 36.0 20 34.0 4 17.5 3 33.0 16 27.0 25 11.0 14 30.0 16 20.0 19 29.5 23 40.0 YEAR 1998 2000 1974 1986 1986 1975 1999 1988 1998 1996 1971 1975 2000 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 11 STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 MET. MONTHLY TOTAL PRECIPITATION WITH SEASONAL PERCENT. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL SEASONAL-PERCENT ----------------------- 1970 81.0 0.0 1.0 12.0 5.0 0.0 0.0 0.0 0.0 0.0 0.0 ****** ****** 82.8 17.2 0.0 0.0 1971 72.0 23.7 20.0 60.0 21.0 4.0 ****** ****** 0.0 0.0 31.0 51.0 ****** 40.9 30.1 0.0 29.0 1972 93.0 52.0 127.0 34.0 111.0 55.0 7.0 ****** 0.0 0.0 0.0 9.0 ****** 55.7 41.0 1.4 1.8 1973 0.0 0.0 29.0 20.0 0.0 0.0 0.0 0.0 0.0 0.0 5.0 8.0 62.0 46.8 32.3 0.0 21.0 1974 79.0 103.5 91.0 14.0 17.0 0.0 31.0 7.0 12.0 2.0 23.0 85.0 464.5 58.9 6.7 10.8 23.7 1975 71.0 90.5 ****** 42.0 64.5 30.5 0.0 0.0 0.0 0.0 11.0 78.5 ****** 41.6 35.3 0.0 23.1 1976 39.5 52.2 50.0 6.0 13.0 4.0 0.0 0.0 0.0 ****** 0.0 15.0 ****** 78.9 12.8 0.0 8.3 1977 13.0 11.5 1.0 1.0 15.0 0.0 0.0 0.0 0.0 3.0 11.0 9.0 64.5 39.5 24.8 0.0 35.7 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1984 12.0 6.5 34.0 14.0 46.0 1.0 8.0 0.0 0.0 6.0 42.0 28.5 198.0 26.5 30.8 4.0 38.6 1985 50.0 20.0 25.0 23.0 2.0 7.0 0.0 26.0 0.0 7.0 13.0 39.5 212.5 44.7 15.1 12.2 28.0 1986 12.0 16.0 32.0 77.0 59.0 26.0 15.0 44.0 0.0 9.0 35.0 33.0 358.0 16.8 45.3 16.5 21.5 1987 21.0 48.0 107.0 35.0 32.0 5.5 21.0 11.5 15.5 48.0 0.0 ****** ****** 51.1 21.0 13.9 13.9 1988 43.0 35.0 53.0 54.0 16.0 12.0 39.0 42.0 5.0 19.0 51.0 28.0 397.0 33.0 20.7 21.7 24.7 1989 18.0 18.0 31.0 8.0 16.0 11.0 8.0 6.0 0.0 5.0 4.0 48.0 173.0 38.7 20.2 8.1 32.9 1990 29.0 43.0 45.0 27.0 3.0 0.0 10.0 0.0 0.0 8.0 18.0 17.0 200.0 58.5 15.0 5.0 21.5 1991 8.0 9.0 85.0 31.0 53.0 7.0 4.0 0.0 4.0 11.0 6.0 28.5 246.5 41.4 36.9 3.2 18.5 1992 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1993 25.0 54.5 57.5 2.0 6.0 3.0 3.0 1.5 ****** 2.2 35.9 11.4 ****** 67.8 5.4 2.2 24.5 1994 29.0 24.2 27.5 7.9 24.2 1.2 0.0 0.0 1.4 17.7 91.1 15.6 239.8 33.7 13.9 0.6 51.9 1995 17.6 17.6 22.1 54.1 32.9 3.1 2.6 0.0 6.0 8.0 4.4 17.2 185.6 30.9 48.5 4.6 15.9 1996 10.9 33.1 85.3 79.6 96.1 42.0 11.2 3.2 0.6 35.0 0.0 1.4 398.4 32.5 54.6 3.8 9.1 1997 20.3 8.4 50.7 7.6 13.5 28.4 0.7 1.0 0.0 7.1 26.6 23.1 187.4 42.4 26.4 0.9 30.3 1998 76.0 53.6 69.0 31.3 25.1 10.9 26.3 17.6 17.3 11.0 0.0 23.6 361.7 54.9 18.6 16.9 9.6 1999 49.0 32.4 40.8 53.5 6.4 2.0 75.6 3.6 3.4 16.8 52.0 28.2 363.7 33.6 17.0 22.7 26.7 2000 80.0 59.2 25.5 6.5 0.0 7.0 10.7 5.0 6.8 25.4 11.8 50.3 288.2 57.1 4.7 7.8 30.4 MEAN 39.6 33.8 48.2 29.2 28.2 10.9 11.9 7.7 3.1 10.5 19.7 29.5 272.3 44.8 25.1 8.3 21.9 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 12 STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 MET. NO. OF DAYS WITH PRECIPITATION YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1970 4 0 1 1 1 0 0 0 0 0 0 *** *** 1971 6 4 4 8 3 1 *** *** 0 0 6 8 *** 1972 11 5 12 6 18 13 2 *** 0 0 0 1 *** 1973 0 0 2 2 0 0 0 0 0 0 1 1 6 1974 6 11 11 3 3 0 3 2 2 1 6 6 54 1975 8 7 *** 6 8 5 0 0 0 0 1 8 *** 1976 6 5 11 2 4 1 0 0 0 *** 0 4 *** 1977 5 3 1 1 7 0 0 0 0 2 4 5 28 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 *** *** *** *** *** *** *** *** *** *** *** *** *** 1980 *** *** *** *** *** *** *** *** *** *** *** *** *** 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 7 6 11 7 15 3 3 1 1 2 14 13 83 1985 11 8 9 5 6 4 2 8 0 5 6 11 75 1986 4 9 8 13 7 7 4 6 1 2 7 6 74 1987 5 9 11 6 6 1 3 2 3 9 0 *** *** 1988 5 5 8 9 4 3 7 5 3 2 6 6 63 1989 6 8 11 4 7 3 1 4 0 2 2 8 56 1990 10 7 7 6 1 0 2 0 0 2 2 4 41 1991 4 4 13 4 9 1 2 0 2 5 2 6 52 1992 *** *** *** *** *** *** *** *** *** *** *** *** *** 1993 6 9 13 1 4 4 4 3 *** 3 12 4 *** 1994 6 5 7 8 8 2 0 0 2 10 12 6 66 1995 5 9 8 9 7 4 3 0 4 1 2 6 58 1996 6 12 14 10 16 6 5 4 1 3 0 3 80 1997 5 4 11 4 5 6 1 1 0 4 4 7 52 1998 10 11 9 6 9 5 6 8 4 5 0 5 78 1999 7 6 10 9 4 1 8 4 2 7 9 9 76 2000 9 6 7 5 0 2 5 2 5 9 6 10 66 MEAN 6 6 9 6 6 3 3 2 1 3 4 6 55 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 13 STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 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 1970 4 0 1 1 1 0 0 0 0 0 0 *** *** 1971 6 4 4 8 3 1 *** *** 0 0 3 8 *** 1972 11 5 12 6 18 13 2 *** 0 0 0 1 *** 1973 0 0 2 2 0 0 0 0 0 0 1 1 6 1974 6 11 11 3 3 0 3 2 2 1 6 6 54 1975 8 7 *** 6 8 5 0 0 0 0 1 8 *** 1976 6 5 11 2 4 1 0 0 0 *** 0 4 *** 1977 5 3 1 1 7 0 0 0 0 2 4 5 28 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 *** *** *** *** *** *** *** *** *** *** *** *** *** 1980 *** *** *** *** *** *** *** *** *** *** *** *** *** 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 3 4 8 6 10 1 2 0 0 2 8 11 55 1985 10 8 6 3 2 3 0 5 0 3 4 9 53 1986 2 5 8 12 6 4 2 5 0 2 6 5 57 1987 5 9 11 6 6 1 3 2 3 9 0 *** *** 1988 5 5 8 9 4 3 7 5 3 2 6 6 63 1989 5 3 10 4 6 3 1 1 0 2 2 7 44 1990 10 7 7 6 1 0 2 0 0 2 2 4 41 1991 4 4 13 4 9 1 2 0 2 5 2 5 51 1992 *** *** *** *** *** *** *** *** *** *** *** *** *** 1993 4 6 11 1 4 2 1 1 *** 1 9 2 *** 1994 5 1 5 2 5 0 0 0 1 6 10 3 38 1995 4 5 4 7 6 3 1 0 1 1 1 3 36 1996 5 5 9 9 10 6 5 1 0 3 0 0 53 1997 2 2 8 2 2 5 0 1 0 3 3 4 32 1998 10 7 8 4 9 3 5 4 4 5 0 4 63 1999 6 6 9 8 2 1 7 1 1 5 8 8 62 2000 9 5 5 3 0 2 3 2 3 8 3 10 53 MEAN 6 5 7 5 5 2 2 1 1 3 3 5 45 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 14 STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 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 1970 4 0 0 1 0 0 0 0 0 0 0 *** *** 1971 4 1 1 3 1 0 *** *** 0 0 1 2 *** 1972 5 1 6 1 6 0 0 *** 0 0 0 0 *** 1973 0 0 2 1 0 0 0 0 0 0 0 0 3 1974 3 4 3 0 1 0 2 0 0 0 0 4 17 1975 3 4 *** 1 3 1 0 0 0 0 1 4 *** 1976 1 2 1 0 0 0 0 0 0 *** 0 0 *** 1977 0 0 0 0 0 0 0 0 0 0 0 0 0 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 *** *** *** *** *** *** *** *** *** *** *** *** *** 1980 *** *** *** *** *** *** *** *** *** *** *** *** *** 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 0 0 1 0 2 0 0 0 0 0 1 0 4 1985 2 0 1 1 0 0 0 1 0 0 0 1 6 1986 0 0 1 2 2 0 1 2 0 0 1 1 10 1987 1 3 5 1 1 0 0 0 0 2 0 *** *** 1988 2 1 2 2 0 0 1 1 0 1 3 1 14 1989 0 1 0 0 0 0 0 0 0 0 0 1 2 1990 0 1 3 1 0 0 0 0 0 0 1 1 7 1991 0 0 3 1 3 0 0 0 0 0 0 1 8 1992 *** *** *** *** *** *** *** *** *** *** *** *** *** 1993 1 2 2 0 0 0 0 0 *** 0 0 0 *** 1994 1 1 1 0 0 0 0 0 0 0 6 0 9 1995 0 0 1 1 0 0 0 0 0 0 0 0 2 1996 0 2 4 4 3 3 0 0 0 1 0 0 17 1997 1 0 1 0 0 1 0 0 0 0 1 0 4 1998 1 2 2 1 0 0 1 0 1 0 0 0 8 1999 3 1 1 2 0 0 2 0 0 0 2 0 11 2000 3 1 0 0 0 0 0 0 0 1 0 2 7 MEAN 1 1 2 1 1 0 0 0 0 0 1 1 8 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 15 STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1970 *** *** *** *** *** 39 *** 46 67 74 53 *** *** 1971 *** *** 50 62 65 65 *** *** 57 56 79 *** *** 1972 *** *** *** *** *** *** *** *** 74 71 78 *** *** 1973 82 89 98 *** *** *** 75 76 75 72 77 95 *** 1974 *** *** 77 58 66 64 58 67 77 67 73 46 *** 1975 50 57 *** 92 93 65 55 65 72 75 83 62 *** 1976 65 71 83 80 84 86 89 91 90 *** 78 49 *** 1977 56 76 95 95 94 86 64 60 43 78 89 61 75 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 *** *** *** *** *** *** *** *** *** *** *** *** *** 1980 *** *** *** *** *** *** *** *** *** *** *** *** *** 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 73 66 79 79 82 77 77 81 80 81 83 63 77 1985 61 68 75 81 77 81 79 83 84 85 82 81 78 1986 73 90 89 90 85 87 84 88 88 87 89 80 86 1987 83 86 83 87 82 83 82 88 85 82 77 *** *** 1988 68 77 *** 85 87 88 89 90 89 90 88 84 *** 1989 69 71 91 87 88 86 89 90 89 86 88 86 85 1990 81 80 90 91 88 91 94 95 90 92 90 82 89 1991 84 83 91 88 88 90 89 88 89 90 81 55 85 1992 *** *** *** *** *** *** *** *** *** *** *** *** *** 1993 60 69 81 77 74 68 66 71 *** 77 84 82 *** 1994 83 82 80 77 77 80 74 76 81 88 80 75 79 1995 81 80 78 80 74 72 71 60 68 80 66 80 74 1996 84 80 82 84 84 74 68 65 63 81 77 70 76 1997 77 73 77 66 69 66 64 52 68 70 88 85 71 1998 81 84 77 78 74 65 70 70 80 79 76 78 76 1999 76 72 76 75 71 61 72 64 75 71 84 85 74 2000 85 89 87 69 56 62 60 60 70 80 83 86 74 MEAN 74 77 82 80 79 74 75 74 76 79 80 74 77 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 16 STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1970 *** *** *** *** *** *** *** 41 54 72 88 *** *** 1971 *** *** 48 47 62 56 *** *** 43 42 68 68 *** 1972 *** *** *** *** *** *** *** *** 75 77 69 66 *** 1973 *** *** *** *** *** *** 79 84 76 78 70 66 *** 1974 *** *** 70 49 28 31 38 25 40 34 42 50 *** 1975 59 69 *** 95 91 35 26 30 34 28 53 75 *** 1976 74 83 81 77 78 81 85 90 90 *** 69 58 *** 1977 77 90 97 93 95 83 38 30 24 36 85 73 68 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 *** *** *** *** *** *** *** *** *** *** *** *** *** 1980 *** *** *** *** *** *** *** *** *** *** *** *** *** 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 87 83 62 58 67 64 64 53 47 45 62 82 65 1985 79 70 72 51 57 60 58 56 48 59 66 68 62 1986 55 72 65 63 56 55 53 58 51 49 52 80 59 1987 63 68 65 51 52 41 35 33 29 52 69 *** *** 1988 78 87 *** 67 44 23 32 39 29 34 62 77 *** 1989 87 90 95 79 58 52 72 80 77 64 62 75 74 1990 87 88 83 81 78 70 67 83 76 73 76 83 79 1991 90 90 90 82 79 75 78 80 70 83 61 58 78 1992 *** *** *** *** *** *** *** *** *** *** *** *** *** 1993 80 79 76 36 36 30 34 30 *** 30 63 58 *** 1994 61 55 44 31 28 47 35 26 42 53 50 48 43 1995 56 55 40 42 34 34 30 24 23 33 27 65 39 1996 66 65 61 49 41 32 30 25 19 36 37 38 42 1997 50 41 47 28 27 26 26 16 22 24 54 61 35 1998 70 68 50 32 31 26 32 29 29 33 32 48 40 1999 48 42 42 37 26 20 36 22 30 35 53 55 37 2000 59 71 47 24 15 22 23 24 25 40 48 60 38 MEAN 70 72 65 56 52 46 46 44 46 48 59 64 56 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 17 STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1970 *** *** *** *** *** *** *** 41 53 73 89 *** *** 1971 *** *** 43 56 68 70 *** *** 52 57 73 70 *** 1972 *** *** *** *** *** *** *** *** 79 77 77 77 *** 1973 *** *** *** *** *** *** 81 80 79 77 76 77 *** 1974 *** *** 69 42 37 43 40 46 59 49 63 54 *** 1975 52 65 *** 93 93 51 34 35 51 51 73 76 *** 1976 75 79 87 76 86 86 89 91 92 *** *** 78 *** 1977 76 83 96 95 96 83 62 70 27 47 91 71 75 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 *** *** *** *** *** *** *** *** *** *** *** *** *** 1980 *** *** *** *** *** *** *** *** *** *** *** *** *** 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 84 78 74 70 78 74 79 72 64 66 75 77 74 1985 78 76 74 62 65 68 69 69 61 75 79 84 72 1986 77 85 80 78 70 70 66 71 69 70 78 86 75 1987 79 75 67 61 59 50 47 45 52 68 74 *** *** 1988 79 87 *** 72 48 39 48 54 39 66 82 83 *** 1989 82 85 94 84 72 63 75 84 79 70 77 87 79 1990 86 88 88 86 77 70 69 83 80 78 78 80 80 1991 88 84 90 83 82 77 76 85 75 85 64 62 79 1992 *** *** *** *** *** *** *** *** *** *** *** *** *** 1993 79 82 78 49 44 44 56 52 *** 46 71 64 *** 1994 68 62 49 47 46 64 46 41 58 70 61 56 56 1995 66 66 52 53 53 53 47 39 44 50 35 67 52 1996 72 72 70 58 57 50 50 47 35 50 54 46 55 1997 61 46 52 35 45 43 40 28 43 40 64 70 47 1998 75 74 55 45 48 45 49 49 52 50 46 56 54 1999 58 49 52 47 42 38 57 43 53 53 66 57 51 2000 65 75 56 40 30 44 40 46 48 57 70 67 53 MEAN 74 74 70 63 62 58 58 58 58 62 70 70 65 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 18 STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 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 1970 *** 24 13 *** *** *** *** *** *** *** 30 *** *** 1971 30 10 *** *** *** *** *** *** *** *** *** 25 *** 1972 31 29 21 0 0 0 0 *** 0 0 3 15 *** 1973 31 28 21 0 0 0 0 0 0 0 1 16 97 1974 27 25 9 0 2 0 0 0 0 13 24 29 129 1975 *** *** *** 2 0 0 0 0 0 4 18 27 *** 1976 24 25 15 0 0 0 0 0 *** *** 30 *** *** 1977 *** *** *** *** *** 0 0 0 *** *** *** 29 *** 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 *** *** *** *** *** *** *** *** *** *** *** *** *** 1980 *** *** *** *** *** *** *** *** *** *** *** *** *** 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** 27 14 5 0 0 0 0 0 13 17 31 *** 1985 29 25 20 0 0 0 0 0 0 6 14 25 119 1986 31 21 22 0 0 0 0 0 0 0 8 23 105 1987 26 16 8 3 0 0 0 0 0 5 15 *** *** 1988 28 26 *** 8 0 0 0 0 0 0 13 24 *** 1989 31 28 19 6 0 0 0 0 0 2 15 23 124 1990 30 27 18 5 0 0 0 0 0 4 20 27 131 1991 31 26 15 1 0 0 0 0 0 0 12 27 112 1992 *** *** *** *** *** *** *** *** *** *** *** *** *** 1993 30 25 21 1 0 0 0 0 *** 3 9 21 *** 1994 25 24 12 3 0 0 0 0 0 2 6 25 97 1995 27 21 18 3 0 0 0 0 0 4 16 30 119 1996 31 23 18 4 0 0 0 0 0 0 20 25 121 1997 29 24 21 6 0 0 0 0 0 0 6 21 107 1998 31 27 13 1 0 0 0 0 0 0 7 16 95 1999 28 23 25 3 0 0 0 0 0 0 17 22 118 2000 27 29 25 0 0 0 0 0 0 0 16 22 119 MEAN 29 24 17 2 0 0 0 0 0 3 14 24 113 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 19 STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 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 1970 *** 0 0 *** *** *** *** *** *** *** 0 *** *** 1971 0 0 *** *** *** *** *** *** *** *** *** 0 *** 1972 0 0 0 0 0 0 0 *** 0 0 0 0 *** 1973 0 0 0 0 0 0 0 0 0 0 0 0 0 1974 0 0 0 0 0 0 0 0 0 0 0 0 0 1975 *** *** *** 0 0 1 7 2 0 0 0 0 *** 1976 0 0 0 0 1 21 31 31 *** *** 0 *** *** 1977 *** *** *** *** *** 2 3 0 *** *** *** 0 *** 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 *** *** *** *** *** *** *** *** *** *** *** *** *** 1980 *** *** *** *** *** *** *** *** *** *** *** *** *** 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 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 *** *** 1988 0 0 *** 0 0 0 0 0 0 0 0 0 *** 1989 0 0 0 0 0 0 0 0 0 0 0 0 0 1990 0 0 0 0 0 0 0 0 0 0 0 0 0 1991 0 0 0 0 0 0 0 0 0 0 0 0 0 1992 *** *** *** *** *** *** *** *** *** *** *** *** *** 1993 0 0 0 0 0 0 0 0 *** 0 0 0 *** 1994 0 0 0 0 0 0 0 0 0 0 0 0 0 1995 0 0 0 0 0 0 1 0 0 0 0 0 1 1996 0 0 0 0 0 0 0 0 0 0 0 0 0 1997 0 0 0 0 0 0 1 0 0 0 0 0 1 1998 0 0 0 0 0 0 0 0 0 0 0 0 0 1999 0 0 0 0 0 0 0 0 0 0 0 0 0 2000 0 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 1 2 2 0 0 0 0 5 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 20 STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 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 1970 *** 9 1 0 0 0 0 0 0 0 0 *** *** 1971 15 10 *** *** *** *** *** *** *** *** *** 10 *** 1972 31 23 9 0 0 0 0 *** 0 0 0 1 *** 1973 31 22 8 0 0 0 0 0 0 0 0 1 62 1974 27 *** *** *** 0 0 0 0 0 0 *** *** *** 1975 *** *** *** *** *** 0 0 0 *** 0 2 9 *** 1976 17 18 3 0 0 0 0 *** *** *** *** *** *** 1977 *** *** *** *** *** *** *** *** *** *** *** *** *** 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 *** *** *** *** *** *** *** *** *** *** *** *** *** 1980 *** *** *** *** *** *** *** *** *** *** *** *** *** 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 3 8 0 0 0 *** 0 0 0 0 *** 19 *** 1985 11 5 10 0 0 0 0 0 0 0 0 3 29 1986 4 1 2 0 0 0 0 0 0 0 0 13 20 1987 2 3 0 0 0 0 0 0 0 1 4 *** *** 1988 17 15 *** 1 0 0 0 0 0 0 0 12 *** 1989 *** *** 3 3 0 0 0 0 0 0 0 0 *** 1990 24 17 3 0 0 0 0 0 0 0 0 19 63 1991 31 23 4 0 0 0 0 0 0 0 0 16 74 1992 *** *** *** *** *** *** *** *** *** *** *** *** *** 1993 26 11 3 0 0 0 0 0 *** 0 3 0 *** 1994 2 6 0 0 0 0 0 0 0 0 0 4 12 1995 1 2 0 0 0 0 0 0 0 0 0 8 11 1996 13 8 4 1 0 0 0 0 0 0 0 0 26 1997 4 7 3 0 0 0 0 0 0 0 0 0 14 1998 26 13 1 0 0 0 0 0 0 0 0 1 41 1999 4 0 2 0 0 0 0 0 0 0 2 1 9 2000 9 20 2 0 0 0 0 0 0 0 0 0 31 MEAN 15 11 3 0 0 0 0 0 0 0 1 6 36 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 21 STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 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 1970 *** 0 0 0 6 14 20 14 1 0 0 *** *** 1971 0 0 *** *** *** *** *** *** *** *** *** 0 *** 1972 0 0 0 0 0 5 15 *** 4 1 3 0 *** 1973 0 0 0 0 0 6 16 14 4 1 4 0 45 1974 0 *** *** *** 0 13 6 12 0 0 *** *** *** 1975 *** *** *** *** *** 9 28 16 *** 0 0 0 *** 1976 0 0 0 0 0 14 21 *** *** *** *** *** *** 1977 *** *** *** *** *** *** *** *** *** *** *** *** *** 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 *** *** *** *** *** *** *** *** *** *** *** *** *** 1980 *** *** *** *** *** *** *** *** *** *** *** *** *** 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 0 0 0 0 0 *** 8 24 3 0 *** 0 *** 1985 0 0 0 0 0 13 20 4 1 0 0 0 38 1986 0 0 0 0 0 6 21 8 0 0 0 0 35 1987 0 0 0 0 0 0 12 10 1 0 0 *** *** 1988 0 0 *** 0 0 6 11 5 1 0 0 0 *** 1989 *** *** 0 0 0 3 19 19 3 0 0 0 *** 1990 0 0 0 0 5 17 5 6 0 0 0 0 33 1991 0 0 0 0 0 0 18 9 0 0 0 0 27 1992 *** *** *** *** *** *** *** *** *** *** *** *** *** 1993 0 0 0 0 0 4 8 9 *** 0 0 0 *** 1994 0 0 0 0 0 3 19 20 0 0 0 0 42 1995 0 0 0 0 0 2 21 25 0 0 0 0 48 1996 0 0 0 0 0 1 1 12 6 0 0 0 20 1997 0 0 0 0 0 1 19 23 1 0 0 0 44 1998 0 0 0 0 0 3 9 14 4 0 0 0 30 1999 0 0 0 0 0 9 8 14 2 0 0 0 33 2000 0 0 0 0 0 10 9 11 2 0 0 0 32 MEAN 0 0 0 0 1 7 14 13 2 0 0 0 37 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 22 STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 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 1970 *** 0 0 0 0 0 0 0 0 0 0 *** *** 1971 0 0 *** *** *** *** *** *** *** *** *** 0 *** 1972 0 0 0 0 0 0 0 *** 0 0 0 0 *** 1973 0 0 0 0 0 0 0 0 0 0 0 0 0 1974 0 *** *** *** 0 0 0 0 0 0 *** *** *** 1975 *** *** *** *** *** 0 0 0 *** 0 0 0 *** 1976 0 0 0 0 0 0 0 *** *** *** *** *** *** 1977 *** *** *** *** *** *** *** *** *** *** *** *** *** 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 *** *** *** *** *** *** *** *** *** *** *** *** *** 1980 *** *** *** *** *** *** *** *** *** *** *** *** *** 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 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 *** *** 1988 0 0 *** 0 0 0 0 0 0 0 0 0 *** 1989 *** *** 0 0 0 0 0 0 0 0 0 0 *** 1990 0 0 0 0 0 0 0 0 0 0 0 0 0 1991 0 0 0 0 0 0 0 0 0 0 0 0 0 1992 *** *** *** *** *** *** *** *** *** *** *** *** *** 1993 0 0 0 0 0 0 0 0 *** 0 0 0 *** 1994 0 0 0 0 0 0 0 0 0 0 0 0 0 1995 0 0 0 0 0 0 0 0 0 0 0 0 0 1996 0 0 0 0 0 0 0 0 0 0 0 0 0 1997 0 0 0 0 0 0 0 0 0 0 0 0 0 1998 0 0 0 0 0 0 0 0 0 0 0 0 0 1999 0 0 0 0 0 0 0 0 0 0 0 0 0 2000 0 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 0 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 23 STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 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 1970 *** 0 0 0 0 0 0 0 0 0 0 *** *** 1971 0 0 *** *** *** *** *** *** *** *** *** 0 *** 1972 0 0 0 0 0 0 0 *** 0 0 0 0 *** 1973 0 0 0 0 0 0 0 0 0 0 0 0 0 1974 0 *** *** *** 0 0 0 0 0 0 *** *** *** 1975 *** *** *** *** *** 0 0 0 *** 0 0 0 *** 1976 0 0 0 0 0 0 0 *** *** *** *** *** *** 1977 *** *** *** *** *** *** *** *** *** *** *** *** *** 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 *** *** *** *** *** *** *** *** *** *** *** *** *** 1980 *** *** *** *** *** *** *** *** *** *** *** *** *** 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 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 *** *** 1988 0 0 *** 0 0 0 0 0 0 0 0 0 *** 1989 *** *** 0 0 0 0 0 0 0 0 0 0 *** 1990 0 0 0 0 0 0 0 0 0 0 0 0 0 1991 0 0 0 0 0 0 0 0 0 0 0 0 0 1992 *** *** *** *** *** *** *** *** *** *** *** *** *** 1993 0 0 0 0 0 0 0 0 *** 0 0 0 *** 1994 0 0 0 0 0 0 0 0 0 0 0 0 0 1995 0 0 0 0 0 0 0 0 0 0 0 0 0 1996 0 0 0 0 0 0 0 0 0 0 0 0 0 1997 0 0 0 0 0 0 0 0 0 0 0 0 0 1998 0 0 0 0 0 0 0 0 0 0 0 0 0 1999 0 0 0 0 0 0 0 0 0 0 0 0 0 2000 0 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 0 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 24 STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 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 -------------- 1970 *** 26 29 *** *** *** *** *** *** *** 30 *** *** 11 1 3 31 1971 31 24 *** *** *** *** *** *** *** *** *** 28 *** 12 1 2 28 1972 31 29 31 11 3 0 0 *** 0 0 8 21 *** 11 22 5 12 1973 31 28 29 11 0 0 0 0 0 0 7 21 127 11 22 4 20 1974 27 28 14 3 2 0 0 0 0 25 30 31 160 10 6 5 2 1975 *** *** *** 6 0 0 0 0 0 19 29 29 *** 10 7 4 12 1976 27 27 26 3 0 0 0 0 *** *** 30 *** *** 11 1 4 7 1977 *** *** *** *** *** 0 0 0 *** *** *** 31 *** 12 1 12 31 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1979 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1980 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1984 *** 28 23 22 4 0 0 0 6 27 29 31 *** 9 25 5 4 1985 30 28 28 15 3 0 0 0 0 22 27 30 183 10 7 5 13 1986 31 28 29 3 2 0 0 0 1 6 18 25 143 9 4 5 18 1987 30 28 25 15 1 0 0 0 0 18 24 *** *** 10 10 5 7 1988 31 29 *** 11 0 0 0 0 0 13 22 31 *** 10 2 4 11 1989 31 28 30 17 5 0 0 0 1 15 21 30 178 9 24 5 5 1990 31 28 29 15 1 0 0 0 0 16 28 31 179 10 4 5 14 1991 31 28 22 10 1 0 0 0 3 14 23 29 161 9 28 5 7 1992 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1993 31 28 29 10 1 0 0 0 *** 19 19 29 *** 10 1 5 1 1994 29 26 28 10 0 0 0 0 4 8 16 29 150 9 19 4 19 1995 30 27 26 10 0 0 0 0 1 18 24 31 167 9 22 4 29 1996 31 28 30 12 1 0 0 0 0 12 30 30 174 10 7 5 2 1997 31 28 28 13 3 0 0 0 0 7 25 31 166 10 19 5 9 1998 31 27 25 11 0 0 0 0 0 16 30 30 170 10 15 4 25 1999 31 28 30 16 2 0 0 0 0 9 26 31 173 10 14 5 24 2000 30 29 27 8 0 0 0 0 0 13 26 31 164 10 5 4 27 MEAN 30 28 27 11 1 0 0 0 1 14 24 29 165 9 4 5 24 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 25 STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 MET. AVERAGE OF DRY BULB TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1970 ****** -2.1 5.0 11.2 15.7 19.4 23.5 25.4 14.8 1.9 1.1 ****** ****** 1971 -3.7 ****** 8.3 9.8 18.2 22.0 ****** ****** 17.8 23.0 4.1 -0.0 ****** 1972 -12.6 -10.3 -0.3 11.1 11.7 19.9 23.2 ****** 21.1 15.2 13.1 2.3 ****** 1973 -13.2 -9.1 -0.4 10.9 12.7 20.9 23.7 23.1 21.6 15.8 13.3 2.4 10.1 1974 -16.3 -10.0 3.1 10.3 15.5 21.1 22.4 20.5 15.0 8.7 5.0 -10.5 7.1 1975 -12.9 -8.2 ****** 8.8 15.9 21.9 25.8 23.1 17.8 10.4 3.1 -3.6 ****** 1976 -5.6 -6.2 -0.8 8.8 17.3 27.1 29.0 24.2 10.1 ****** ****** -9.4 ****** 1977 -9.7 -6.6 5.1 9.4 11.7 18.5 24.5 21.6 19.7 12.6 5.8 -3.4 9.1 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 -3.3 -5.4 4.7 9.8 11.5 19.3 21.2 22.2 16.4 8.8 4.6 -8.3 8.5 1985 -7.5 -3.1 -0.2 11.2 14.8 19.5 21.8 18.4 17.4 9.3 6.2 -1.0 8.9 1986 -2.8 -0.0 0.8 9.0 14.1 18.2 21.9 19.2 15.9 12.3 3.1 -4.4 8.9 1987 -2.3 0.2 2.8 9.6 16.4 19.4 20.0 20.1 15.7 6.7 4.9 ****** ****** 1988 -6.9 -4.7 ****** 7.8 14.0 17.8 18.6 18.4 17.9 11.8 5.0 -2.0 ****** 1989 -11.0 -9.8 0.9 7.8 12.7 17.6 23.2 22.9 15.1 11.8 7.2 1.6 8.3 1990 -5.8 -5.0 2.6 9.0 16.1 20.8 19.2 20.8 17.0 10.0 5.5 -2.8 9.0 1991 -5.8 -5.6 0.8 7.5 11.6 16.3 21.8 21.3 15.9 12.0 6.1 -4.1 8.2 1992 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1993 -7.8 -5.0 0.5 9.1 13.9 18.0 20.2 20.1 ****** 9.0 2.5 0.7 ****** 1994 -0.8 -1.9 4.6 10.3 13.5 17.8 22.0 22.3 13.5 9.2 6.1 -2.4 9.5 1995 -2.0 0.3 4.0 9.4 13.3 17.2 22.9 23.0 16.6 9.1 5.6 -4.6 9.6 1996 -5.5 -2.0 0.0 7.7 14.4 18.1 20.0 20.4 18.1 9.6 3.0 1.6 8.8 1997 -2.4 -3.4 0.6 9.1 13.8 19.3 23.4 23.1 15.9 12.0 3.7 -0.8 9.5 1998 -9.1 -5.9 2.9 10.2 14.4 19.6 20.9 21.0 16.8 11.0 7.7 3.3 9.4 1999 -2.1 1.2 2.4 8.7 14.8 19.6 19.4 21.2 16.6 11.6 2.5 0.6 9.7 2000 -3.0 -7.8 2.1 12.1 16.8 18.7 21.4 21.3 17.6 9.4 2.0 -0.9 9.2 MEAN -6.6 -4.8 2.3 9.5 14.4 19.5 22.2 21.5 16.7 10.9 5.3 -2.1 9.1 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 26 STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 MET. AVERAGE OF DEW POINT TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1970 ****** ****** ****** ****** ****** ****** ****** 11.4 5.7 -2.8 -3.6 ****** ****** 1971 ****** ****** -4.1 ****** 11.1 14.4 ****** ****** 6.9 11.8 -0.5 ****** ****** 1972 ****** ****** ****** ****** ****** ****** ****** ****** 16.6 10.7 8.6 ****** ****** 1973 ****** ****** ****** ****** ****** ****** 19.4 19.3 17.1 11.4 8.6 -1.2 ****** 1974 ****** ****** 2.6 -1.0 1.0 7.1 8.7 5.3 5.2 -3.4 -3.5 -20.1 ****** 1975 -21.6 -14.7 ****** 7.7 14.5 9.4 8.9 8.0 6.5 -1.4 -2.7 -8.3 ****** 1976 -10.3 -9.7 -3.3 4.9 13.9 24.0 26.7 22.6 8.6 ****** ****** -16.0 ****** 1977 -14.7 -9.3 4.4 8.6 10.9 15.7 14.0 10.6 1.4 1.6 3.9 -8.7 3.2 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 -6.3 -9.8 -0.2 4.0 7.1 13.8 16.0 15.4 8.7 1.4 0.0 -12.1 3.2 1985 -11.8 -7.7 -4.5 4.2 8.2 13.4 15.4 12.2 9.6 4.4 2.1 -4.8 3.4 1986 -8.4 -3.0 -3.1 4.7 8.3 11.9 15.0 13.5 9.5 6.0 -2.1 -7.3 3.7 1987 -6.7 -3.9 -2.4 2.9 8.9 9.0 8.3 8.6 4.2 -0.3 0.1 ****** ****** 1988 -10.7 -7.0 ****** 3.1 4.5 3.9 7.8 9.4 5.4 3.5 0.9 -4.9 ****** 1989 -14.0 -12.4 -0.1 5.0 7.5 10.8 19.0 20.0 11.6 6.7 2.7 -1.4 4.6 1990 -8.0 -7.1 0.6 6.7 12.8 16.4 14.6 18.4 13.8 6.7 2.4 -5.5 6.0 1991 -7.6 -7.9 -0.6 5.0 8.8 12.8 18.1 18.5 11.9 9.7 0.1 -11.8 4.7 1992 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1993 -12.2 -8.5 -3.3 -1.4 2.6 4.3 8.5 7.7 ****** -2.4 -1.9 -4.8 ****** 1994 -5.9 -8.0 -4.7 -1.1 1.2 9.6 9.6 7.9 4.6 3.4 -1.5 -10.1 0.4 1995 -7.7 -5.7 -5.2 0.2 2.6 6.0 9.3 6.7 2.3 -1.8 -8.0 -9.2 -0.9 1996 -9.7 -6.8 -5.1 0.2 5.3 5.5 7.7 6.1 0.1 -1.2 -6.0 -8.6 -1.0 1997 -9.3 -12.4 -7.5 -4.7 0.6 5.0 6.8 2.1 0.1 -2.3 -2.3 -5.6 -2.5 1998 -12.7 -9.8 -5.0 -1.0 2.3 5.8 8.4 8.0 4.9 0.0 -3.5 -4.4 -0.6 1999 -9.4 -7.9 -6.7 -2.2 1.3 2.8 8.4 5.8 4.9 0.8 -3.5 -5.9 -1.0 2000 -8.3 -11.1 -5.2 -1.7 -2.0 2.9 5.9 6.1 3.5 0.2 -4.2 -5.9 -1.7 MEAN -10.3 -8.6 -2.8 2.2 6.3 9.7 12.2 11.1 7.1 2.7 -0.6 -7.8 1.8 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 27 STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 MET. AVERAGE OF MIXING RATIO IN G/KG YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1970 ****** ****** ****** ****** ****** ****** ****** 10.65 7.30 4.05 4.14 ****** ****** 1971 ****** ****** 3.86 ****** 10.84 13.44 ****** ****** 8.51 11.14 4.68 ****** ****** 1972 ****** ****** ****** ****** ****** ****** ****** ****** 15.73 10.24 9.57 ****** ****** 1973 ****** ****** ****** ****** ****** ****** 18.62 18.47 16.18 10.71 9.65 4.47 ****** 1974 ****** ****** 5.96 4.61 5.23 8.25 9.47 7.30 7.25 4.17 3.95 1.43 ****** 1975 1.18 2.12 ****** 8.94 13.51 9.74 9.15 8.74 7.81 4.51 4.06 2.80 ****** 1976 2.64 2.64 3.91 7.08 12.96 25.82 27.94 21.69 8.74 ****** ****** 1.45 ****** 1977 1.71 2.73 6.75 8.89 10.36 14.35 12.59 10.06 5.27 5.40 6.55 2.69 7.28 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 3.39 2.78 4.97 6.68 8.22 12.95 15.14 14.30 9.27 5.68 4.97 2.21 7.54 1985 2.47 2.98 4.03 6.67 8.88 12.58 14.05 11.44 9.73 6.88 5.88 3.51 7.42 1986 2.76 3.95 3.94 6.88 8.78 11.23 13.79 12.49 9.73 7.58 4.31 3.03 7.37 1987 3.14 3.73 4.21 6.18 9.08 9.44 8.75 8.84 6.58 4.81 5.32 ****** ****** 1988 2.38 3.23 ****** 6.17 6.76 6.48 8.32 9.23 7.09 6.26 5.39 3.60 ****** 1989 1.88 2.15 4.95 7.12 8.24 10.47 18.61 19.87 12.12 8.34 6.12 4.61 8.71 1990 2.81 3.03 5.35 8.33 12.55 15.62 13.44 17.44 13.13 8.27 5.99 3.80 9.15 1991 2.83 2.89 4.69 6.96 9.43 12.06 17.73 17.91 11.60 10.21 5.32 2.19 8.65 1992 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1993 2.30 2.84 3.93 4.42 5.87 6.67 9.13 8.39 ****** 4.16 4.38 3.41 ****** 1994 3.24 2.75 3.52 4.58 5.40 9.61 9.46 8.62 6.97 6.25 4.50 2.38 5.61 1995 2.79 3.24 3.39 5.00 5.94 7.48 9.38 7.90 5.78 4.31 2.81 2.52 5.04 1996 2.44 3.05 3.40 4.98 7.04 7.45 8.39 7.59 5.14 4.66 3.15 2.62 4.99 1997 2.48 1.96 2.83 3.50 5.13 6.92 8.16 5.94 5.17 4.19 4.13 3.26 4.47 1998 2.04 2.46 3.52 4.52 5.82 7.33 8.80 8.61 6.98 4.89 3.78 3.53 5.19 1999 2.49 2.77 3.01 4.35 5.30 6.02 8.77 7.48 6.93 5.13 3.80 3.17 4.93 2000 2.68 2.25 3.39 4.35 4.26 6.06 7.47 7.64 6.44 4.94 3.64 3.17 4.69 MEAN 2.51 2.82 4.19 6.01 8.08 10.47 12.25 11.39 8.67 6.38 5.05 2.99 6.73 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 28 STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 MET. AVERAGE OF VAPOUR PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1970 ****** ****** ****** ****** ****** ****** ****** 13.73 9.39 5.18 5.29 ****** ****** 1971 ****** ****** 4.96 ****** 13.90 17.20 ****** ****** 10.94 14.33 5.99 ****** ****** 1972 ****** ****** ****** ****** ****** ****** ****** ****** 20.04 13.11 12.25 ****** ****** 1973 ****** ****** ****** ****** ****** ****** 23.63 23.44 20.61 13.72 12.35 5.72 ****** 1974 ****** ****** 7.64 5.93 6.75 10.63 12.19 9.42 9.32 5.36 5.08 1.83 ****** 1975 1.50 2.71 ****** 11.42 17.21 12.52 11.82 11.28 10.05 5.81 5.21 3.58 ****** 1976 3.37 3.37 5.00 9.07 16.55 32.40 35.16 27.47 11.19 ****** ****** 1.85 ****** 1977 2.18 3.48 8.63 11.36 13.23 18.30 16.17 12.95 6.83 6.96 8.38 3.43 9.33 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 4.32 3.55 6.37 8.57 10.53 16.56 19.31 18.28 11.91 7.30 6.38 2.81 9.66 1985 3.15 3.81 5.15 8.57 11.40 16.10 17.98 14.67 12.49 8.82 7.53 4.49 9.51 1986 3.53 5.06 5.04 8.83 11.27 14.39 17.65 15.99 12.49 9.74 5.52 3.86 9.45 1987 4.01 4.77 5.40 7.94 11.67 12.13 11.27 11.39 8.48 6.17 6.82 ****** ****** 1988 3.04 4.12 ****** 7.92 8.70 8.36 10.72 11.86 9.14 8.05 6.90 4.60 ****** 1989 2.40 2.74 6.33 9.12 10.58 13.43 23.62 25.16 15.45 10.70 7.85 5.90 11.11 1990 3.59 3.86 6.84 10.65 16.01 19.90 17.17 22.16 16.76 10.59 7.67 4.85 11.67 1991 3.61 3.69 6.00 8.91 12.06 15.41 22.50 22.72 14.83 13.05 6.82 2.80 11.03 1992 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1993 2.94 3.63 5.02 5.68 7.56 8.61 11.74 10.81 ****** 5.36 5.61 4.36 ****** 1994 4.14 3.51 4.52 5.90 6.95 12.34 12.19 11.11 8.96 8.02 5.78 3.05 7.21 1995 3.57 4.15 4.36 6.43 7.65 9.63 12.09 10.20 7.46 5.54 3.62 3.22 6.49 1996 3.11 3.90 4.36 6.40 9.05 9.59 10.81 9.79 6.64 5.99 4.05 3.37 6.42 1997 3.17 2.51 3.63 4.51 6.61 8.93 10.53 7.68 6.66 5.40 5.30 4.18 5.76 1998 2.60 3.14 4.51 5.82 7.50 9.45 11.33 11.10 8.99 6.29 4.86 4.53 6.68 1999 3.19 3.55 3.86 5.59 6.84 7.77 11.29 9.65 8.92 6.61 4.87 4.06 6.35 2000 3.42 2.87 4.34 5.61 5.51 7.82 9.65 9.85 8.30 6.35 4.67 4.06 6.04 MEAN 3.20 3.60 5.37 7.71 10.36 13.40 15.66 14.58 11.12 8.19 6.47 3.83 8.62 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 29 STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 MET. AVERAGE OF SATURATION DEFICIT PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1970 ****** ****** ****** ****** ****** ****** ****** 19.31 8.38 2.18 1.47 ****** ****** 1971 ****** ****** 6.26 ****** 7.96 10.36 ****** ****** 11.32 15.27 2.39 ****** ****** 1972 ****** ****** ****** ****** ****** ****** ****** ****** 5.88 4.35 3.98 ****** ****** 1973 ****** ****** ****** ****** ****** ****** 6.73 5.68 5.99 4.48 4.10 1.88 ****** 1974 ****** ****** 3.62 6.97 12.46 16.21 16.08 16.76 8.95 7.17 4.56 1.48 ****** 1975 1.13 0.99 ****** 0.72 1.75 14.88 22.68 18.40 11.47 8.13 3.04 1.33 ****** 1976 1.18 0.88 1.00 2.73 3.61 5.45 4.96 2.87 1.23 ****** ****** 1.17 ****** 1977 0.86 0.54 0.37 0.69 0.69 3.75 16.10 13.91 17.21 9.44 1.20 1.52 5.52 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 0.82 0.85 2.82 4.57 3.87 7.64 7.73 10.95 9.07 5.56 2.80 0.77 4.79 1985 0.90 1.51 1.98 5.72 6.64 8.50 10.05 8.13 9.65 4.08 2.80 1.45 5.12 1986 1.94 1.41 1.90 3.33 6.12 8.15 10.80 8.20 7.74 6.06 2.80 0.96 4.95 1987 1.68 1.90 2.47 5.35 8.40 12.04 13.99 13.98 11.19 4.57 2.67 ****** ****** 1988 0.88 0.61 ****** 3.51 8.52 14.24 12.45 10.69 13.90 7.44 2.84 1.21 ****** 1989 0.48 0.44 0.43 2.21 5.12 8.48 7.57 5.30 4.12 5.19 3.34 1.48 3.68 1990 0.64 0.60 1.29 2.09 4.13 7.23 6.38 3.80 4.32 3.01 2.11 1.12 3.06 1991 0.48 0.52 0.67 1.82 2.55 4.23 6.05 4.41 5.06 2.37 3.31 2.12 2.80 1992 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1993 0.86 0.93 1.76 6.71 9.32 13.65 13.16 14.22 ****** 7.31 2.52 2.40 ****** 1994 2.00 2.23 4.52 7.92 9.64 9.68 16.53 17.93 7.75 4.30 3.94 2.52 7.41 1995 1.97 2.44 4.45 6.28 8.27 11.16 18.06 20.37 13.38 7.40 6.71 1.48 8.50 1996 1.23 1.72 2.14 5.00 8.45 12.59 13.64 15.96 16.54 7.01 4.19 4.06 7.71 1997 2.42 2.87 3.25 8.26 10.24 14.72 20.19 23.06 13.22 10.09 3.11 1.82 9.44 1998 0.86 1.13 3.66 7.87 10.08 14.67 14.60 15.34 11.66 8.07 6.44 3.80 8.18 1999 2.35 3.57 4.08 6.51 11.48 16.97 12.68 17.31 11.71 8.38 2.93 2.71 8.39 2000 1.84 0.91 3.43 9.67 15.34 15.88 17.23 17.06 13.53 6.37 2.83 1.89 8.83 MEAN 1.29 1.37 2.64 4.90 7.36 10.97 12.75 12.89 9.71 6.44 3.31 1.86 6.29 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 30 STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 MET. AVERAGE OF RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1970 *** *** *** *** *** *** *** 43 58 73 77 *** *** 1971 *** *** 47 *** 65 64 *** *** 51 52 73 *** *** 1972 *** *** *** *** *** *** *** *** 76 75 75 *** *** 1973 *** *** *** *** *** *** 78 80 76 76 74 79 *** 1974 *** *** 70 50 44 46 45 46 59 50 59 50 *** 1975 54 64 *** 93 92 50 38 43 52 51 70 71 *** 1976 72 78 84 78 82 84 88 91 90 *** *** 62 *** 1977 69 83 96 94 95 84 55 53 31 53 88 69 73 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 *** *** *** *** *** *** *** *** *** *** *** *** *** 1980 *** *** *** *** *** *** *** *** *** *** *** *** *** 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 81 75 72 69 76 72 73 69 64 64 73 74 72 1985 73 71 74 65 66 69 69 69 64 73 76 78 71 1986 68 82 78 77 71 71 67 72 69 69 73 82 73 1987 75 76 72 67 64 58 55 55 55 67 74 *** *** 1988 75 84 *** 74 60 50 56 61 52 63 77 81 *** 1989 79 82 93 83 73 67 79 84 81 74 76 82 79 1990 84 86 87 86 81 77 76 87 82 81 81 82 83 1991 87 85 90 84 83 81 81 85 78 86 69 58 81 1992 *** *** *** *** *** *** *** *** *** *** *** *** *** 1993 73 77 78 54 52 47 52 51 *** 52 73 68 *** 1994 70 66 57 52 50 63 52 48 60 70 64 59 59 1995 68 67 56 58 54 53 49 41 45 54 43 71 55 1996 74 72 71 64 61 52 49 46 39 56 56 51 58 1997 62 53 58 43 47 45 43 32 44 45 68 72 51 1998 76 75 61 52 51 46 50 49 53 54 51 61 57 1999 61 54 57 53 47 40 55 43 53 53 68 66 54 2000 70 78 63 45 34 43 41 43 48 59 67 71 55 MEAN 72 74 72 67 64 60 60 59 60 63 70 69 66 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 31 STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 MET. AVERAGE OF MAXIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1970 *** *** *** *** *** *** *** 49 69 80 94 *** *** 1971 *** *** 64 *** 75 75 *** *** 64 64 83 *** *** 1972 *** *** *** *** *** *** *** *** 81 80 81 *** *** 1973 *** *** *** *** *** *** 86 86 81 80 81 96 *** 1974 *** *** 81 64 68 65 61 73 79 70 77 65 *** 1975 72 77 *** 98 96 71 57 65 73 77 87 80 *** 1976 83 86 90 87 90 91 92 93 95 *** *** 79 *** 1977 85 92 98 97 97 88 70 70 43 78 93 79 83 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 *** *** *** *** *** *** *** *** *** *** *** *** *** 1980 *** *** *** *** *** *** *** *** *** *** *** *** *** 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 89 86 84 82 85 80 82 84 80 82 85 83 84 1985 85 82 84 81 78 82 80 84 84 86 86 87 83 1986 82 92 91 91 87 87 84 88 88 88 90 89 88 1987 88 91 87 88 84 83 82 88 85 84 85 *** *** 1988 83 91 *** 86 87 88 89 90 89 90 90 91 *** 1989 87 90 96 91 89 86 90 90 89 88 89 90 90 1990 90 91 93 92 89 91 94 95 90 92 90 88 91 1991 91 91 93 90 89 90 90 90 90 92 84 71 88 1992 *** *** *** *** *** *** *** *** *** *** *** *** *** 1993 84 83 87 77 76 70 70 72 *** 77 86 84 *** 1994 83 83 82 78 77 81 75 76 82 89 84 76 81 1995 83 83 78 80 77 74 71 64 71 81 66 83 76 1996 85 82 85 84 84 74 69 67 65 81 78 72 77 1997 79 73 78 66 71 67 64 55 69 73 88 86 72 1998 82 85 79 79 74 66 70 71 81 80 76 81 77 1999 77 75 78 76 72 63 73 65 76 73 85 86 75 2000 86 89 87 69 57 65 61 62 73 81 85 87 75 MEAN 84 85 85 83 81 78 77 76 78 81 84 83 81 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 32 STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 MET. AVERAGE OF MINIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1970 *** *** *** *** *** *** *** 37 50 66 50 *** *** 1971 *** *** 32 *** 54 52 *** *** 38 39 63 *** *** 1972 *** *** *** *** *** *** *** *** 70 69 68 *** *** 1973 *** *** *** *** *** *** 69 73 71 70 66 63 *** 1974 *** *** 61 36 25 28 33 23 39 29 38 32 *** 1975 34 50 *** 86 88 34 24 29 34 27 51 60 *** 1976 59 68 77 67 74 78 84 88 86 *** *** 46 *** 1977 53 73 93 92 93 81 35 30 22 36 83 57 62 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 *** *** *** *** *** *** *** *** *** *** *** *** *** 1980 *** *** *** *** *** *** *** *** *** *** *** *** *** 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 71 62 59 56 65 64 63 53 47 45 61 63 59 1985 57 59 61 51 56 59 57 55 47 59 64 64 57 1986 50 70 62 62 56 54 53 57 50 49 52 73 57 1987 60 62 56 49 49 39 33 31 28 49 61 *** *** 1988 66 76 *** 66 40 22 32 39 28 32 61 70 *** 1989 68 71 90 74 58 52 70 79 74 58 61 73 69 1990 77 79 80 79 74 67 64 81 75 71 75 75 75 1991 83 79 86 79 77 73 74 79 68 82 55 45 73 1992 *** *** *** *** *** *** *** *** *** *** *** *** *** 1993 57 68 71 36 34 29 33 30 *** 31 60 55 *** 1994 59 53 40 30 28 46 34 26 39 52 48 45 42 1995 53 52 37 41 34 33 30 24 23 32 26 61 37 1996 64 62 59 48 41 32 30 25 19 34 37 36 41 1997 47 39 44 25 27 26 25 16 22 24 53 59 34 1998 69 66 46 32 31 26 32 29 28 32 30 46 39 1999 47 38 40 34 25 20 35 22 30 34 52 51 36 2000 56 68 46 24 15 22 23 24 25 40 47 58 37 MEAN 59 63 60 53 50 45 44 43 44 46 55 57 52 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 33 STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 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 1970 4 0 0 1 1 0 0 0 0 0 0 *** *** 1971 4 3 2 7 2 0 *** *** 0 0 3 2 *** 1972 10 4 8 2 6 7 0 *** 0 0 0 1 *** 1973 0 0 2 2 0 0 0 0 0 0 1 1 6 1974 6 8 4 2 2 0 3 1 1 0 3 6 36 1975 6 7 *** 3 6 1 0 0 0 0 1 4 *** 1976 4 2 6 0 1 0 0 0 0 *** 0 1 *** 1977 0 1 0 0 1 0 0 0 0 0 1 0 3 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 *** *** *** *** *** *** *** *** *** *** *** *** *** 1980 *** *** *** *** *** *** *** *** *** *** *** *** *** 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 1 0 3 0 3 0 1 0 0 1 4 1 14 1985 5 0 3 2 0 0 0 2 0 0 0 4 16 1986 1 2 2 3 4 2 1 3 0 1 4 2 25 1987 1 3 9 3 3 1 2 1 2 3 0 *** *** 1988 4 3 5 3 2 1 6 2 0 2 5 2 35 1989 2 2 1 0 0 1 1 1 0 0 0 6 14 1990 2 5 4 2 0 0 1 0 0 0 2 1 17 1991 0 0 5 2 3 1 0 0 0 0 0 2 13 1992 *** *** *** *** *** *** *** *** *** *** *** *** *** 1993 1 3 3 0 0 0 0 0 *** 0 3 1 *** 1994 3 1 2 0 3 0 0 0 0 1 6 2 18 1995 2 1 1 4 4 0 0 0 1 1 0 2 16 1996 0 2 7 5 4 3 1 0 0 1 0 0 23 1997 2 1 4 0 1 2 0 0 0 0 2 3 15 1998 5 3 2 2 2 1 1 2 1 1 0 2 22 1999 4 3 1 3 0 0 6 0 0 2 4 1 24 2000 4 3 3 0 0 1 1 0 0 1 0 3 16 MEAN 3 2 3 2 2 1 1 1 0 1 2 2 20 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 34 STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 MET. HIGHEST AND LOWEST LIMITS FOR 31 YEARS DURING 1970-2000 ELE- JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MENT --------------------------------------------------------------------------------------------- NO. HIG. DRY 03 7.4 6.4 16.0 18.0 22.2 35.0 30.0 28.0 26.0 40.0 17.0 6.0 1 YEAR - DAY 1994- 4 1996-10 1971-23 1971-24 1976-27 1976-27 1976-24 1970-19 1973-11 1977- 6 1973- 2 1998- 1 LOW. DRY 03 -29.7 -25.2 -20.4 -11.8 -2.0 4.0 7.0 4.2 -1.6 -8.0 -18.0 -29.2 2 YEAR - DAY 1975- 1 1975-14 1985- 8 1997-12 1989- 3 1994- 7 1984-18 1986-10 1984-29 1984-22 1976-10 1974-30 HIG. WET 03 5.2 3.6 10.0 13.2 21.0 34.0 29.0 26.0 24.0 20.3 14.0 2.4 3 YEAR - DAY 1994- 4 1998- 8 1971-23 1976-30 1976-27 1976-27 1976-29 1976- 3 1973-11 1971-17 1973- 2 1996-22 LOW. WET 03 -29.7 -25.4 -21.0 -12.0 -2.4 2.6 3.6 3.0 -1.6 -9.0 -18.2 -29.3 4 YEAR - DAY 1975- 1 1975-14 1985- 8 1997-12 1989- 3 1994- 7 1993-17 1997-30 1984-27 1970-28 1976-10 1974-31 HIG. DRY 09 10.4 11.6 21.2 24.4 31.0 37.0 35.0 36.0 33.0 34.2 24.0 15.2 5 YEAR - DAY 1994- 4 1999-27 1990-22 1998-16 1990-10 1976-27 1977- 5 1970- 1 1971- 2 1971-15 1972- 9 1990- 5 LOW. DRY 09 -18.0 -13.2 -9.0 -2.4 4.8 10.8 15.0 13.2 8.2 -5.0 -11.0 -22.0 6 YEAR - DAY 1970-31 1975- 8 1985- 8 1989- 2 1991- 6 2000-13 1974- 8 1986- 5 1976- 1 1970-28 1976- 1 1974-22 HIG. WET 09 6.6 9.2 17.6 20.2 27.6 35.0 32.0 31.0 28.0 25.2 22.0 11.6 7 YEAR - DAY 1994- 3 1984-13 1990-22 1975-15 1990-10 1976-25 1973- 6 1973-21 1972- 2 1971- 5 1972- 9 1990- 5 LOW. WET 09 -19.0 -15.2 -9.4 -3.4 2.2 4.6 10.2 11.0 7.0 -7.0 -12.0 -23.2 8 YEAR - DAY 1970-31 1975- 8 1985- 8 1996- 5 1991- 6 2000-13 1988-25 1974- 5 1970-22 1970-28 1976- 1 1974-22 HIG. DRY 15 8.0 9.6 15.0 22.4 27.0 35.0 32.8 32.6 28.4 25.2 21.0 12.4 9 YEAR - DAY 1994- 4 1987-25 1974-27 1998-17 2000-26 1976-20 1995-13 1997-13 1989- 5 1971-17 1973- 2 1990- 5 LOW. DRY 15 -20.0 -17.4 -11.4 -3.6 2.6 9.4 10.4 11.4 6.4 -2.0 -7.2 -18.2 10 YEAR - DAY 1970-28 1975- 7 1985- 8 1997-11 1991- 6 2000-12 1990-13 1986-30 1987-23 1970-25 1993-14 1974-18 HIG. WET 15 5.2 6.4 10.0 16.8 25.2 34.0 30.0 28.2 25.2 20.2 18.0 10.6 11 YEAR - DAY 1994- 2 1984-13 1974-18 1975-15 1975-31 1976-25 1976-29 1991- 7 1989- 5 1971-14 1972- 9 1990- 5 LOW. WET 15 -21.2 -19.2 -12.0 -4.8 1.4 5.0 9.4 10.0 3.0 -4.0 -8.2 -20.0 12 YEAR - DAY 1975-16 1975- 7 1985- 8 1997-11 1991- 6 2000-13 1988-25 1974-25 1971-22 1970-27 1993-14 1974-18 HIG. MIN. 5.8 8.0 7.4 12.0 22.0 35.0 29.0 27.0 17.0 17.0 13.0 4.0 13 YEAR - DAY 1994- 3 1970-21 1998-29 1974-24 1976-27 1976-27 1976- 3 1976- 3 1972-18 1973- 4 1972- 9 1991-10 LOW. MIN. -33.0 -35.0 -24.0 -13.0 -5.0 2.0 2.5 2.0 -2.0 -9.0 -19.5 -31.0 14 YEAR - DAY 1972-30 1972- 5 1985- 8 1997-12 1974- 1 1994- 7 1984-19 1985-22 1984-27 1984-21 1976-10 1974-31 HIG. MAX. 14.0 13.4 22.5 27.5 32.0 39.0 37.0 37.0 32.0 30.0 30.0 17.0 15 YEAR - DAY 2000- 1 1999-27 1990-28 1990-26 1990-10 1976-27 1970-28 1970- 1 1984- 3 1972-31 1972- 7 1998-13 LOW. MAX. -20.0 -15.0 -8.5 -2.0 5.0 13.0 16.0 17.5 12.0 0.0 -3.4 -14.0 16 YEAR - DAY 1974-26 1974- 9 1985- 8 1989- 2 1991- 6 2000-13 1988-27 1986- 5 1970-22 1987-27 1975-30 1990-29 HIG. PPTN 37.0 40.0 30.0 36.0 34.0 17.5 33.0 27.0 11.0 30.0 20.0 29.5 17 YEAR - DAY 1998- 6 2000-14 1974- 3 1986-20 1986- 4 1975- 3 1999-16 1988-25 1998-14 1996-16 1971-19 1975-23 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 35 STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 MET. HIGHEST LIMITS OF ABSOLUTE DIFFERENCES FOR 31 YEARS DURING 1970-2000 ELE- JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MENT --------------------------------------------------------------------------------------------- NO. DRY 09 - DRY 03 24.2 19.0 26.4 24.4 25.8 25.6 23.6 22.8 25.6 26.8 23.8 21.4 18 YEAR - DAY 1987-13 1989-20 1990-22 1975- 5 1990-10 1990- 1 1988- 3 1986-13 1984-29 1989-13 1989-13 1986-22 DRY 15 - DRY 09 11.6 8.4 20.0 13.6 17.7 16.0 16.8 15.0 16.4 14.8 14.4 23.0 19 YEAR - DAY 1975- 6 1984- 5 1990-22 1990-11 1975- 2 1974-19 1987-23 1974-26 1987-28 1989-18 1995-15 1974-22 DRY 15 - DRY 03 24.5 19.9 20.0 18.6 19.0 20.0 19.0 19.2 23.1 25.0 18.0 18.2 20 YEAR - DAY 1975- 2 1996- 7 1997-21 1987-24 1974-27 1988-14 1994-16 1990-31 1986-14 1974-21 1974- 3 1986-22 WET 09 - WET 03 23.0 19.0 23.0 24.6 23.0 21.0 19.4 21.2 22.4 23.0 19.0 19.0 21 YEAR - DAY 1975- 2 1988-16 1990-22 1975- 5 1990-10 1990- 1 1984-19 1990-31 1989-24 1974-26 1974- 3 1986-22 WET 15 - WET 09 12.6 9.0 16.8 13.2 17.0 13.2 10.0 11.0 12.4 11.2 9.2 22.2 22 YEAR - DAY 1975- 6 1975- 7 1990-22 1975-20 1975- 2 1990-21 1993- 9 1973-21 1989- 4 1988-17 1989-21 1974-22 WET 15 - WET 03 24.0 18.2 17.0 16.6 15.2 15.2 16.4 17.8 17.4 17.4 14.8 16.6 23 YEAR - DAY 1975- 2 1996- 7 1985-12 1975- 5 1990-10 1985-20 1989-31 1990-31 1991-30 1991- 1 1991- 2 1986-22 DAY BY DAY DRY 03 20.2 20.8 15.2 13.6 10.6 11.8 8.6 8.5 16.0 36.0 17.0 25.4 24 YEAR - DAY 1998-13 1976- 8 1997-21 1984-12 1986-11 1976- 5 1997-25 1975- 2 1976- 1 1977- 7 1976-10 1974-24 DAY BY DAY WET 03 19.9 20.0 15.0 10.8 9.4 9.8 7.0 7.0 15.0 18.0 16.8 25.5 25 YEAR - DAY 1998-13 1984- 8 1997-21 1984-12 1990-14 1976- 5 1990-24 1975- 2 1972-25 1977- 7 1976-10 1974-24 DAY BY DAY DRY 09 14.6 13.0 12.6 13.0 15.4 12.8 13.0 13.0 17.8 16.0 25.2 17.8 26 YEAR - DAY 1984-29 1996- 2 1986- 8 1976-12 1990-10 1994- 4 1974- 8 1974-26 1976- 1 1996-16 1971- 1 1974-22 DAY BY DAY WET 09 14.2 12.0 10.0 12.0 13.2 9.8 12.0 13.0 16.8 11.8 15.2 17.0 27 YEAR - DAY 1984-29 1975-19 1986- 8 1975-16 1990-10 1986-29 1974- 3 1973-21 1976- 1 1984-20 1971- 1 1974-22 DAY BY DAY DRY 15 15.0 14.0 14.4 13.0 14.8 15.0 14.6 13.8 17.0 12.2 17.0 13.4 28 YEAR - DAY 1970-28 1976- 8 1997- 8 1999- 9 1999-20 1984-13 1993- 4 1995-23 1976- 1 1996-31 1973-22 1986-22 DAY BY DAY WET 15 15.0 13.0 9.4 12.6 12.2 13.0 14.0 12.0 17.0 9.0 14.4 11.8 29 YEAR - DAY 1970-28 1976- 8 1990-19 1975-15 1990-13 1975-20 1993- 4 1975-17 1976- 1 1973-23 1993-14 1986-22 DAY BY DAY MIN. 20.0 20.5 14.0 9.8 11.0 14.0 9.0 8.5 12.0 11.4 13.0 23.0 30 YEAR - DAY 1985-25 1976- 8 1996- 2 1997-11 1986-11 1974- 2 1974- 3 1975- 2 1972-23 1997- 4 1972-22 1974-24 DAY BY DAY MAX. 12.0 12.5 13.0 14.0 15.0 12.6 11.2 11.0 12.0 12.0 16.8 11.0 31 YEAR - DAY 1972- 3 1987- 5 1997- 8 1970- 9 1999-21 1994- 4 1998- 8 1970- 7 1970-19 1996-16 1993-14 1990-10 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 MET. MEAN AND EXTREMES FOR THE YEAR 1970 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C.***** -2.4 3.6 ***** ***** ***** ***** ***** ***** ***** 3.1 ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** -9.0 -2.6 ***** ***** ***** ***** ***** ***** ***** -6.3 ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** 4.1 9.8 17.8 23.4 27.8 30.9 29.9 20.4 16.1 12.5 ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** 13.1 12.4 ***** ***** ***** ***** ***** ***** ***** 18.8 ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** ***** ***** ***** 6.00 ***** 9.82 7.24 3.44 2.01 ***** ***** MEAN OF MIXING RATIO AT 09 GMT. ***** ***** ***** ***** ***** ***** ***** 11.93 8.10 4.55 5.52 ***** ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** ***** ***** ***** ***** ***** 10.18 6.56 4.15 4.88 ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** -21.0 -7.0 ***** ***** ***** ***** ***** ***** ***** -8.0 ***** ****** DAY ** 2 27 ** ** ** ** ** ** ** 26 ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** 10.0 20.0 24.0 30.0 34.0 37.0 37.0 30.0 24.0 14.0 ***** ****** DAY ** 22 31 8 25 24 28 1 2 2 1 ** 24 HOUR MAXIMUM PRECIPITATION IN MM. 36.0 0.0 1.0 12.0 5.0 0.0 0.0 0.0 0.0 0.0 0.0 ***** ****** DAY 28 ** 16 24 4 ** ** ** ** ** ** ** MONTHLY TOTAL PRECIPITATION IN MM. 81.0 0.0 1.0 12.0 5.0 0.0 0.0 0.0 0.0 0.0 0.0 ***** ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 82.8 17.2 0.0 0.0 NO. OF DAYS WITH PRECIPITATION. 4 0 1 1 1 0 0 0 0 0 0 *** *** NO. OF DAYS PRECIPITATION EQUAL 4 0 1 1 1 0 0 0 0 0 0 *** *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 4 0 0 1 0 0 0 0 0 0 0 *** *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** *** *** *** 39 *** 46 67 74 53 *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** *** *** *** *** *** *** 41 54 72 88 *** *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** *** *** *** *** *** 41 53 73 89 *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** 24 13 *** *** *** *** *** *** *** 30 *** *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** 0 0 *** *** *** *** *** *** *** 0 *** *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** 9 1 0 0 0 0 0 0 0 0 *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** 0 0 0 6 14 20 14 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. *** 26 29 *** *** *** *** *** *** *** 30 *** *** DATE OF START AND END FREEZING START = 1 NOV. END = 31 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 MET. MEAN AND EXTREMES FOR THE YEAR 1971 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. -3.7 -0.7 ***** ***** ***** ***** ***** ***** ***** ***** ***** -1.1 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -7.2 -2.6 ***** ***** ***** ***** ***** ***** ***** ***** ***** -7.1 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. -0.3 1.1 ***** ***** ***** ***** ***** ***** ***** ***** ***** 4.8 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 6.9 3.7 ***** ***** ***** ***** ***** ***** ***** ***** ***** 11.9 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** 3.84 5.10 8.20 10.39 ***** ***** 6.23 9.02 4.07 ***** ***** MEAN OF MIXING RATIO AT 09 GMT. ***** ***** 4.19 5.11 14.13 17.39 ***** ***** 10.96 13.41 5.23 4.86 ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** 3.74 5.15 10.20 12.54 ***** ***** 7.46 11.00 4.73 4.54 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -13.0 -10.0 ***** ***** ***** ***** ***** ***** ***** ***** ***** -14.5 ****** DAY 8 4 ** ** ** ** ** ** ** ** ** 23 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 6.0 7.0 ***** ***** ***** ***** ***** ***** ***** ***** ***** 11.5 ****** DAY 20 26 ** ** ** ** ** ** ** ** ** 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 30.0 10.5 10.0 10.0 10.0 4.0 ***** ***** 0.0 0.0 20.0 20.0 ****** DAY 18 13 28 2 20 18 ** ** ** ** 19 30 MONTHLY TOTAL PRECIPITATION IN MM. 72.0 23.7 20.0 60.0 21.0 4.0 ***** ***** 0.0 0.0 31.0 51.0 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 40.9 30.1 0.0 29.0 NO. OF DAYS WITH PRECIPITATION. 6 4 4 8 3 1 *** *** 0 0 6 8 *** NO. OF DAYS PRECIPITATION EQUAL 6 4 4 8 3 1 *** *** 0 0 3 8 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 4 1 1 3 1 0 *** *** 0 0 1 2 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** 50 62 65 65 *** *** 57 56 79 *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** *** 48 47 62 56 *** *** 43 42 68 68 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** 43 56 68 70 *** *** 52 57 73 70 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 30 10 *** *** *** *** *** *** *** *** *** 25 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 *** *** *** *** *** *** *** *** *** 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 15 10 *** *** *** *** *** *** *** *** *** 10 *** 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. 31 24 *** *** *** *** *** *** *** *** *** 28 *** DATE OF START AND END FREEZING START = 1 DEC. END = 28 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 MET. MEAN AND EXTREMES FOR THE YEAR 1972 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C.-14.2 -12.2 -1.3 9.4 10.5 17.4 20.6 ***** 18.9 15.3 13.9 1.3 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -22.3 -20.9 -6.1 1.9 4.1 9.4 12.4 ***** 11.4 10.2 6.4 -4.8 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. -6.0 -3.4 3.4 16.8 16.9 25.4 28.8 ***** 26.3 20.3 21.4 7.5 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 16.3 17.5 9.5 14.9 12.8 16.0 16.4 ***** 14.9 10.1 15.0 12.3 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** ***** ***** ***** ***** ***** ***** 13.34 8.64 7.62 ***** ***** MEAN OF MIXING RATIO AT 09 GMT. ***** ***** ***** ***** ***** ***** ***** ***** 18.09 12.12 11.02 4.95 ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** ***** ***** ***** ***** ***** ***** 15.78 9.96 10.09 4.65 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -33.0 -35.0 -20.0 -3.0 0.0 5.5 10.0 ***** 4.0 7.0 -7.0 -11.0 ****** DAY 30 5 1 16 7 2 10 ** 24 19 22 20 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 0.0 6.0 11.0 22.0 25.0 32.5 35.0 ***** 31.0 30.0 30.0 12.0 ****** DAY 1 18 30 21 30 22 8 ** 2 31 7 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 20.0 32.0 25.0 13.0 18.0 8.0 4.0 ***** 0.0 0.0 0.0 9.0 ****** DAY 22 8 21 25 9 9 16 ** ** ** ** 14 MONTHLY TOTAL PRECIPITATION IN MM. 93.0 52.0 127.0 34.0 111.0 55.0 7.0 ***** 0.0 0.0 0.0 9.0 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 55.7 41.0 1.4 1.8 NO. OF DAYS WITH PRECIPITATION. 11 5 12 6 18 13 2 *** 0 0 0 1 *** NO. OF DAYS PRECIPITATION EQUAL 11 5 12 6 18 13 2 *** 0 0 0 1 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 5 1 6 1 6 0 0 *** 0 0 0 0 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** *** *** *** *** *** *** 74 71 78 *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** *** *** *** *** *** *** *** 75 77 69 66 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** *** *** *** *** *** *** 79 77 77 77 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 31 29 21 0 0 0 0 *** 0 0 3 15 *** 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 31 23 9 0 0 0 0 *** 0 0 0 1 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 5 15 *** 4 1 3 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 *** 0 0 0 0 *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 *** 0 0 0 0 *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. 31 29 31 11 3 0 0 *** 0 0 8 21 *** DATE OF START AND END FREEZING START = 22 NOV. END = 12 MAY IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 MET. MEAN AND EXTREMES FOR THE YEAR 1973 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C.-14.5 -9.3 -1.2 9.2 11.4 18.4 20.9 20.2 19.2 15.9 14.0 1.3 8.8 AVERAGE OF MINIMUM TEMPERATURE IN C. -22.3 -16.0 -5.4 2.2 4.8 10.6 12.6 12.2 11.9 10.9 7.0 -4.9 2.0 AVERAGE OF MAXIMUM TEMPERATURE IN C. -6.7 -2.7 3.0 16.3 17.9 26.3 29.1 28.3 26.5 20.9 21.0 7.5 15.6 DIFFERENCE BETWEEN AVERAGE MAXIMUM 15.6 13.3 8.4 14.1 13.1 15.7 16.5 16.1 14.6 10.0 14.0 12.4 13.6 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.16 1.77 4.14 ***** ***** ***** 13.87 13.34 13.73 9.05 7.68 3.79 ***** MEAN OF MIXING RATIO AT 09 GMT. ***** ***** ***** ***** ***** ***** 24.70 25.44 18.66 12.74 11.21 4.95 ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** ***** ***** ***** ***** 17.29 16.89 16.17 10.36 10.06 4.66 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -32.0 -31.0 -15.0 -2.0 1.0 6.0 7.0 8.0 5.0 7.0 -4.0 -11.0 -32.0 DAY 21 5 2 3 7 2 14 14 24 19 30 20 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 0.0 4.0 10.0 23.0 26.0 34.0 34.0 33.0 31.0 30.0 30.0 12.0 34.0 DAY 2 15 30 23 30 22 4 13 2 31 4 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 0.0 0.0 19.0 15.0 0.0 0.0 0.0 0.0 0.0 0.0 5.0 8.0 19.0 DAY ** ** 29 17 ** ** ** ** ** ** 26 17 MONTHLY TOTAL PRECIPITATION IN MM. 0.0 0.0 29.0 20.0 0.0 0.0 0.0 0.0 0.0 0.0 5.0 8.0 62.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 46.8 32.3 0.0 21.0 NO. OF DAYS WITH PRECIPITATION. 0 0 2 2 0 0 0 0 0 0 1 1 6 NO. OF DAYS PRECIPITATION EQUAL 0 0 2 2 0 0 0 0 0 0 1 1 6 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 2 1 0 0 0 0 0 0 0 0 3 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 82 89 98 *** *** *** 75 76 75 72 77 95 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** *** *** *** *** *** 79 84 76 78 70 66 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** *** *** *** *** 81 80 79 77 76 77 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 31 28 21 0 0 0 0 0 0 0 1 16 97 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 31 22 8 0 0 0 0 0 0 0 0 1 62 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 6 16 14 4 1 4 0 45 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 29 11 0 0 0 0 0 0 7 21 127 DATE OF START AND END FREEZING START = 22 NOV. END = 20 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 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.-15.2 ***** ***** ***** 13.4 18.4 20.0 19.4 15.4 7.5 ***** ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -23.9 -17.0 -1.7 5.1 4.6 8.9 13.1 10.0 7.2 -2.7 -5.2 -17.6 -1.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. -7.5 ***** ***** ***** 22.4 27.8 26.9 28.8 23.6 17.7 ***** ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 16.4 ***** ***** ***** 17.8 18.9 13.8 18.8 16.4 20.4 ***** ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** 4.74 4.41 5.33 8.64 9.48 7.67 6.62 3.05 2.69 0.98 ***** MEAN OF MIXING RATIO AT 09 GMT. ***** ***** 6.76 5.19 5.00 8.32 9.72 6.42 7.08 4.62 4.31 1.46 ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** 6.08 4.19 5.35 7.79 9.30 7.81 8.04 4.84 4.92 1.86 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -32.0 -29.0 -15.0 0.0 -5.0 4.0 8.0 5.5 1.0 -7.0 -12.0 -31.0 -32.0 DAY 23 2 7 11 1 5 8 28 25 19 28 31 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 0.0 ***** ***** ***** 28.0 34.0 33.0 32.5 27.5 21.5 ***** ***** ****** DAY 2 ** ** ** 30 28 1 15 2 1 ** ** 24 HOUR MAXIMUM PRECIPITATION IN MM. 29.0 25.0 30.0 7.0 10.0 0.0 12.0 5.0 9.0 2.0 5.0 23.0 30.0 DAY 14 18 3 11 1 ** 19 31 24 30 8 12 MONTHLY TOTAL PRECIPITATION IN MM. 79.0 103.5 91.0 14.0 17.0 0.0 31.0 7.0 12.0 2.0 23.0 85.0 464.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 58.9 6.7 10.8 23.7 NO. OF DAYS WITH PRECIPITATION. 6 11 11 3 3 0 3 2 2 1 6 6 54 NO. OF DAYS PRECIPITATION EQUAL 6 11 11 3 3 0 3 2 2 1 6 6 54 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 3 4 3 0 1 0 2 0 0 0 0 4 17 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** 77 58 66 64 58 67 77 67 73 46 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** *** 70 49 28 31 38 25 40 34 42 50 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** 69 42 37 43 40 46 59 49 63 54 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 27 25 9 0 2 0 0 0 0 13 24 29 129 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 27 *** *** *** 0 0 0 0 0 0 *** *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 *** *** *** 0 13 6 12 0 0 *** *** *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 *** *** *** 0 0 0 0 0 0 *** *** *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 *** *** *** 0 0 0 0 0 0 *** *** *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. 27 28 14 3 2 0 0 0 0 25 30 31 160 DATE OF START AND END FREEZING START = 6 OCT. END = 2 MAY IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 MET. MEAN AND EXTREMES FOR THE YEAR 1975 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C.***** ***** ***** ***** ***** 21.8 25.5 23.0 ***** 9.3 3.1 -3.3 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** 3.0 11.6 15.6 18.7 16.0 8.8 -0.2 -4.6 -8.6 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** 28.0 32.3 30.0 ***** 18.9 10.9 2.0 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** ***** ***** ***** 12.4 13.6 14.0 ***** 19.1 15.5 10.6 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 0.67 1.50 ***** 5.97 10.59 9.72 10.33 9.67 7.81 4.19 3.03 1.85 ***** MEAN OF MIXING RATIO AT 09 GMT. 1.62 2.62 ***** 13.02 17.64 8.84 8.88 8.55 7.81 4.00 4.27 3.43 ***** MEAN OF MIXING RATIO AT 15 GMT. 1.23 2.25 ***** 7.83 12.30 10.66 8.24 8.01 7.81 5.35 4.89 3.11 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** -9.2 4.8 11.0 15.0 11.0 3.0 -4.5 -8.5 -16.4 ****** DAY ** ** ** 5 2 6 30 2 23 12 9 26 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** 33.0 35.0 34.5 ***** 26.0 15.0 5.5 ****** DAY ** ** ** ** ** 27 4 1 ** 1 1 13 24 HOUR MAXIMUM PRECIPITATION IN MM. 20.0 27.0 ***** 18.0 14.5 17.5 0.0 0.0 0.0 0.0 11.0 29.5 ****** DAY 3 22 ** 23 6 3 ** ** ** ** 29 23 MONTHLY TOTAL PRECIPITATION IN MM. 71.0 90.5 ***** 42.0 64.5 30.5 0.0 0.0 0.0 0.0 11.0 78.5 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 41.6 35.3 0.0 23.1 NO. OF DAYS WITH PRECIPITATION. 8 7 *** 6 8 5 0 0 0 0 1 8 *** NO. OF DAYS PRECIPITATION EQUAL 8 7 *** 6 8 5 0 0 0 0 1 8 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 3 4 *** 1 3 1 0 0 0 0 1 4 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 50 57 *** 92 93 65 55 65 72 75 83 62 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 59 69 *** 95 91 35 26 30 34 28 53 75 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 52 65 *** 93 93 51 34 35 51 51 73 76 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** 2 0 0 0 0 0 4 18 27 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** 0 0 1 7 2 0 0 0 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** 0 0 0 *** 0 2 9 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** 9 28 16 *** 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. *** *** *** 6 0 0 0 0 0 19 29 29 *** DATE OF START AND END FREEZING START = 7 OCT. END = 12 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 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. -6.0 -6.7 -0.0 9.1 17.5 27.3 28.5 ***** ***** ***** ***** ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -12.9 -13.1 -4.8 6.0 15.5 24.7 26.8 23.1 ***** ***** -9.1 ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 0.8 -0.4 4.7 12.3 19.4 29.9 30.2 ***** ***** ***** ***** ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 13.7 12.7 9.5 6.3 3.9 5.2 3.4 ***** ***** ***** ***** ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.84 1.82 3.28 6.77 12.28 24.23 26.54 20.76 8.45 ***** 2.19 1.16 ***** MEAN OF MIXING RATIO AT 09 GMT. 3.22 3.37 4.20 7.62 13.08 26.81 28.90 22.55 9.08 ***** 2.17 1.51 ***** MEAN OF MIXING RATIO AT 15 GMT. 2.85 2.73 4.25 6.86 13.52 26.41 28.37 21.75 8.70 ***** ***** 1.68 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -25.0 -26.0 -19.5 -3.0 9.2 14.2 25.0 21.0 ***** ***** -19.5 ***** ****** DAY 3 17 4 2 1 4 10 7 ** ** 10 ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 6.5 8.0 11.5 19.0 25.0 39.0 33.0 ***** ***** ***** ***** ***** ****** DAY 22 9 31 12 27 27 23 ** ** ** ** ** 24 HOUR MAXIMUM PRECIPITATION IN MM. 13.0 22.0 10.0 4.0 5.0 4.0 0.0 0.0 0.0 ***** 0.0 7.0 ****** DAY 21 5 19 19 19 7 ** ** ** ** ** 30 MONTHLY TOTAL PRECIPITATION IN MM. 39.5 52.2 50.0 6.0 13.0 4.0 0.0 0.0 0.0 ***** 0.0 15.0 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 78.9 12.8 0.0 8.3 NO. OF DAYS WITH PRECIPITATION. 6 5 11 2 4 1 0 0 0 *** 0 4 *** NO. OF DAYS PRECIPITATION EQUAL 6 5 11 2 4 1 0 0 0 *** 0 4 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 2 1 0 0 0 0 0 0 *** 0 0 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 65 71 83 80 84 86 89 91 90 *** 78 49 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 74 83 81 77 78 81 85 90 90 *** 69 58 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 75 79 87 76 86 86 89 91 92 *** *** 78 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 24 25 15 0 0 0 0 0 *** *** 30 *** *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 1 21 31 31 *** *** 0 *** *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 17 18 3 0 0 0 0 *** *** *** *** *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 14 21 *** *** *** *** *** *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 *** *** *** *** *** *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 *** *** *** *** *** *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. 27 27 26 3 0 0 0 0 *** *** 30 *** *** DATE OF START AND END FREEZING START = 1 NOV. END = 7 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 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.***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** 17.0 17.9 15.8 ***** ***** ***** -8.8 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.09 1.93 5.56 6.60 7.89 12.65 11.99 10.20 4.65 4.77 4.28 1.78 6.12 MEAN OF MIXING RATIO AT 09 GMT. 2.06 3.43 8.40 10.59 12.42 17.13 13.67 8.94 5.62 5.34 7.82 3.41 8.24 MEAN OF MIXING RATIO AT 15 GMT. 1.99 2.83 6.30 9.47 10.76 13.28 12.11 11.04 5.54 6.10 7.55 2.87 7.49 ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** 13.2 13.0 13.5 ***** ***** ***** -15.0 ****** DAY ** ** ** ** ** 11 9 30 ** ** ** 9 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 24 HOUR MAXIMUM PRECIPITATION IN MM. 3.5 7.5 1.0 1.0 5.0 0.0 0.0 0.0 0.0 2.0 6.0 4.0 7.5 DAY 9 9 31 1 18 ** ** ** ** 26 14 12 MONTHLY TOTAL PRECIPITATION IN MM. 13.0 11.5 1.0 1.0 15.0 0.0 0.0 0.0 0.0 3.0 11.0 9.0 64.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 39.5 24.8 0.0 35.7 NO. OF DAYS WITH PRECIPITATION. 5 3 1 1 7 0 0 0 0 2 4 5 28 NO. OF DAYS PRECIPITATION EQUAL 5 3 1 1 7 0 0 0 0 2 4 5 28 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 56 76 95 95 94 86 64 60 43 78 89 61 75 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 77 90 97 93 95 83 38 30 24 36 85 73 68 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 76 83 96 95 96 83 62 70 27 47 91 71 75 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** 0 0 0 *** *** *** 29 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** 2 3 0 *** *** *** 0 *** 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. *** *** *** *** *** 0 0 0 *** *** *** 31 *** DATE OF START AND END FREEZING START = 1 DEC. END = 31 DEC. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 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.***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** 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 FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 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.***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** 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 FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 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.***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** 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 FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 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.***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** 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 FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 MET. MEAN AND EXTREMES FOR THE YEAR 1982 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C.***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 09 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 24 HOUR MAXIMUM PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MONTHLY TOTAL PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION ***** ***** ***** ***** NO. OF DAYS WITH PRECIPITATION. *** *** *** *** *** *** *** *** *** *** *** *** *** NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. *** *** *** *** *** *** *** *** *** *** *** *** *** DATE OF START AND END FREEZING START = ** **** END = ** **** IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 MET. MEAN AND EXTREMES FOR THE YEAR 1983 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C.***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 09 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 24 HOUR MAXIMUM PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MONTHLY TOTAL PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION ***** ***** ***** ***** NO. OF DAYS WITH PRECIPITATION. *** *** *** *** *** *** *** *** *** *** *** *** *** NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. *** *** *** *** *** *** *** *** *** *** *** *** *** DATE OF START AND END FREEZING START = ** **** END = ** **** IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 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.***** -5.9 3.4 8.4 10.7 ***** 19.1 20.5 14.4 7.1 ***** -9.2 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** -13.1 -4.3 -0.9 2.8 7.7 8.9 10.2 3.7 -3.3 -3.8 -16.0 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 3.7 1.6 10.8 17.4 18.2 ***** 29.7 30.9 25.5 17.3 ***** -2.8 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** 14.7 15.1 18.3 15.4 ***** 20.8 20.7 21.8 20.6 ***** 13.2 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.83 1.74 3.70 4.75 6.21 8.60 9.13 9.69 6.08 3.80 3.68 1.34 5.05 MEAN OF MIXING RATIO AT 09 GMT. 4.80 3.93 5.63 7.98 9.66 15.86 18.48 16.72 11.23 6.57 5.65 2.93 9.12 MEAN OF MIXING RATIO AT 15 GMT. 3.60 2.88 5.57 7.31 8.78 14.42 17.80 16.83 10.50 6.66 5.55 2.33 8.52 ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** -24.5 -18.0 -6.0 -3.5 4.0 2.5 6.0 -2.0 -9.0 -6.5 -24.5 ****** DAY ** 1 18 6 3 1 19 25 27 21 9 30 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 8.0 10.5 19.5 23.0 24.0 ***** 34.5 34.5 32.0 22.5 ***** 4.0 ****** DAY 27 13 12 21 28 ** 16 16 3 4 ** 14 24 HOUR MAXIMUM PRECIPITATION IN MM. 9.0 3.0 13.0 4.0 16.0 1.0 7.0 0.0 0.0 5.0 15.0 6.0 16.0 DAY 29 8 17 19 21 7 25 ** ** 20 30 1 MONTHLY TOTAL PRECIPITATION IN MM. 12.0 6.5 34.0 14.0 46.0 1.0 8.0 0.0 0.0 6.0 42.0 28.5 198.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 26.5 30.8 4.0 38.6 NO. OF DAYS WITH PRECIPITATION. 7 6 11 7 15 3 3 1 1 2 14 13 83 NO. OF DAYS PRECIPITATION EQUAL 3 4 8 6 10 1 2 0 0 2 8 11 55 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 1 0 2 0 0 0 0 0 1 0 4 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 73 66 79 79 82 77 77 81 80 81 83 63 77 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 87 83 62 58 67 64 64 53 47 45 62 82 65 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 84 78 74 70 78 74 79 72 64 66 75 77 74 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** 27 14 5 0 0 0 0 0 13 17 31 *** 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 3 8 0 0 0 *** 0 0 0 0 *** 19 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 *** 8 24 3 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. *** 28 23 22 4 0 0 0 6 27 29 31 *** DATE OF START AND END FREEZING START = 25 SEP. END = 4 MAY IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 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. -8.8 -4.6 -2.0 9.7 13.2 17.8 20.7 17.2 15.7 8.4 5.4 -1.8 7.6 AVERAGE OF MINIMUM TEMPERATURE IN C. -18.3 -12.9 -10.0 0.9 3.3 7.5 11.1 7.6 4.4 -1.1 -3.3 -8.0 -1.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. 0.1 3.7 6.1 18.4 22.9 28.1 30.2 26.7 27.0 17.7 13.7 4.6 16.6 DIFFERENCE BETWEEN AVERAGE MAXIMUM 18.4 16.6 16.1 17.5 19.6 20.6 19.1 19.1 22.6 18.8 16.9 12.6 18.2 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.42 1.91 2.71 5.27 6.22 8.49 10.38 8.40 6.58 4.48 3.68 2.68 5.18 MEAN OF MIXING RATIO AT 09 GMT. 3.36 3.56 4.85 7.50 10.92 16.09 17.32 13.63 11.97 8.45 7.25 3.78 9.06 MEAN OF MIXING RATIO AT 15 GMT. 2.62 3.47 4.52 7.24 9.50 13.16 14.45 12.31 10.63 7.71 6.59 4.06 8.02 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -28.5 -21.0 -24.0 -3.5 -2.0 3.0 8.5 2.0 1.0 -5.0 -6.0 -14.5 -28.5 DAY 5 8 8 9 5 20 30 22 27 29 22 5 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 7.0 8.5 17.0 25.5 29.0 34.5 35.0 33.0 30.0 24.0 17.5 11.0 35.0 DAY 22 16 29 23 30 27 20 5 12 1 2 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 12.0 4.0 10.0 15.0 1.0 4.0 0.0 12.0 0.0 4.0 4.0 10.0 15.0 DAY 2 22 24 28 1 17 ** 28 ** 12 13 19 MONTHLY TOTAL PRECIPITATION IN MM. 50.0 20.0 25.0 23.0 2.0 7.0 0.0 26.0 0.0 7.0 13.0 39.5 212.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 44.7 15.1 12.2 28.0 NO. OF DAYS WITH PRECIPITATION. 11 8 9 5 6 4 2 8 0 5 6 11 75 NO. OF DAYS PRECIPITATION EQUAL 10 8 6 3 2 3 0 5 0 3 4 9 53 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 0 1 1 0 0 0 1 0 0 0 1 6 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 61 68 75 81 77 81 79 83 84 85 82 81 78 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 79 70 72 51 57 60 58 56 48 59 66 68 62 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 78 76 74 62 65 68 69 69 61 75 79 84 72 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 29 25 20 0 0 0 0 0 0 6 14 25 119 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 11 5 10 0 0 0 0 0 0 0 0 3 29 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 13 20 4 1 0 0 0 38 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 30 28 28 15 3 0 0 0 0 22 27 30 183 DATE OF START AND END FREEZING START = 7 OCT. END = 13 MAY IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 MET. MEAN AND EXTREMES FOR THE YEAR 1986 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. -3.8 0.1 0.6 9.2 13.2 17.4 20.6 18.2 14.8 12.1 3.5 -4.5 8.5 AVERAGE OF MINIMUM TEMPERATURE IN C. -12.0 -5.5 -4.9 2.4 5.4 9.0 11.0 9.4 4.3 3.2 -2.0 -10.7 0.8 AVERAGE OF MAXIMUM TEMPERATURE IN C. 4.5 5.7 6.1 16.0 21.0 25.8 30.2 27.1 25.3 20.7 8.5 1.6 16.0 DIFFERENCE BETWEEN AVERAGE MAXIMUM 16.5 11.2 11.0 13.6 15.6 16.8 19.2 17.7 20.9 17.5 10.5 12.3 15.2 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.91 3.05 3.27 5.39 6.81 9.10 9.85 9.04 6.13 5.48 3.75 2.14 5.49 MEAN OF MIXING RATIO AT 09 GMT. 2.97 4.27 4.29 7.82 10.02 12.81 16.35 14.93 11.88 8.80 4.28 3.88 8.53 MEAN OF MIXING RATIO AT 15 GMT. 3.38 4.50 4.25 7.44 9.51 11.79 15.16 13.48 11.18 8.47 4.90 3.16 8.10 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -22.5 -12.5 -13.0 -3.0 0.0 5.0 7.5 3.0 -0.5 -2.0 -9.0 -18.5 -22.5 DAY 25 3 17 2 6 4 7 10 4 18 14 25 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 9.0 13.0 15.0 20.0 26.0 34.0 33.5 32.0 28.5 26.0 19.5 8.0 34.0 DAY 17 27 1 16 25 30 9 1 24 3 3 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 8.0 8.0 15.0 36.0 34.0 9.0 12.0 21.0 0.0 8.0 11.0 17.0 36.0 DAY 20 6 8 20 4 3 21 5 ** 25 29 20 MONTHLY TOTAL PRECIPITATION IN MM. 12.0 16.0 32.0 77.0 59.0 26.0 15.0 44.0 0.0 9.0 35.0 33.0 358.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 16.8 45.3 16.5 21.5 NO. OF DAYS WITH PRECIPITATION. 4 9 8 13 7 7 4 6 1 2 7 6 74 NO. OF DAYS PRECIPITATION EQUAL 2 5 8 12 6 4 2 5 0 2 6 5 57 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 1 2 2 0 1 2 0 0 1 1 10 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 73 90 89 90 85 87 84 88 88 87 89 80 86 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 55 72 65 63 56 55 53 58 51 49 52 80 59 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 77 85 80 78 70 70 66 71 69 70 78 86 75 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 31 21 22 0 0 0 0 0 0 0 8 23 105 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 4 1 2 0 0 0 0 0 0 0 0 13 20 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 6 21 8 0 0 0 0 35 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 29 3 2 0 0 0 1 6 18 25 143 DATE OF START AND END FREEZING START = 4 SEP. END = 18 MAY IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 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. -2.4 0.3 2.7 8.6 15.4 17.9 19.1 18.5 15.3 6.6 4.3 ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -10.1 -5.7 -2.1 0.7 7.2 8.8 11.0 10.0 6.3 0.5 -2.5 ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 5.3 6.3 7.5 16.5 23.6 26.9 27.2 27.2 24.4 12.6 11.2 ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 15.4 12.0 9.6 15.8 16.4 18.1 16.2 17.2 18.1 12.1 13.7 ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.19 2.96 3.63 4.96 7.28 8.53 9.47 9.59 6.92 4.41 3.46 ***** ***** MEAN OF MIXING RATIO AT 09 GMT. 3.50 4.20 4.68 6.96 10.49 10.15 8.60 8.55 6.02 4.81 6.62 ***** ***** MEAN OF MIXING RATIO AT 15 GMT. 3.72 4.02 4.33 6.61 9.47 9.64 8.18 8.39 6.80 5.18 5.88 ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -20.0 -21.0 -9.5 -5.5 0.0 5.0 6.0 8.5 1.5 -4.5 -11.5 ***** ****** DAY 9 12 22 6 7 1 5 25 30 17 30 ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 10.0 12.5 16.0 22.5 28.0 29.5 33.0 31.0 30.0 24.0 16.5 ***** ****** DAY 31 4 9 17 9 29 21 15 6 3 6 ** 24 HOUR MAXIMUM PRECIPITATION IN MM. 12.0 12.0 18.0 15.0 16.0 5.5 9.5 9.5 6.5 12.0 0.0 ***** ****** DAY 7 10 17 19 31 20 26 7 29 8 ** ** MONTHLY TOTAL PRECIPITATION IN MM. 21.0 48.0 107.0 35.0 32.0 5.5 21.0 11.5 15.5 48.0 0.0 ***** ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 51.1 21.0 13.9 13.9 NO. OF DAYS WITH PRECIPITATION. 5 9 11 6 6 1 3 2 3 9 0 *** *** NO. OF DAYS PRECIPITATION EQUAL 5 9 11 6 6 1 3 2 3 9 0 *** *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 3 5 1 1 0 0 0 0 2 0 *** *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 83 86 83 87 82 83 82 88 85 82 77 *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 63 68 65 51 52 41 35 33 29 52 69 *** *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 79 75 67 61 59 50 47 45 52 68 74 *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 26 16 8 3 0 0 0 0 0 5 15 *** *** 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 3 0 0 0 0 0 0 0 1 4 *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 12 10 1 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 25 15 1 0 0 0 0 18 24 *** *** DATE OF START AND END FREEZING START = 10 OCT. END = 7 MAY IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 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. -6.6 -6.3 ***** 6.9 12.7 16.5 18.2 17.7 15.9 11.2 4.3 -2.6 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -12.9 -11.1 ***** 1.2 5.5 6.9 9.9 10.1 5.6 0.9 -3.1 -8.1 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. -0.2 -0.7 ***** 12.5 20.0 26.0 26.6 25.3 26.2 21.4 11.7 3.0 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 12.7 10.4 ***** 11.3 14.5 19.1 16.7 15.2 20.6 20.5 14.8 11.1 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.47 1.99 ***** 5.01 6.68 7.19 9.53 9.82 7.03 4.98 3.76 2.62 ***** MEAN OF MIXING RATIO AT 09 GMT. 2.93 4.23 ***** 7.17 7.39 5.72 7.61 8.97 7.28 6.35 6.19 4.37 ***** MEAN OF MIXING RATIO AT 15 GMT. 2.75 3.45 ***** 6.33 6.22 6.46 7.83 8.89 6.95 7.45 6.21 3.80 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -20.0 -23.0 ***** -6.0 2.4 5.0 7.0 7.0 3.0 -2.0 -9.5 -23.0 ****** DAY 21 13 ** 6 31 1 3 25 25 23 18 30 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 3.5 7.0 ***** 20.0 25.5 30.5 33.0 31.0 30.0 24.0 19.5 10.0 ****** DAY 6 29 ** 23 25 13 3 3 15 3 10 10 24 HOUR MAXIMUM PRECIPITATION IN MM. 13.0 18.0 12.0 20.0 7.0 9.0 10.0 27.0 2.0 13.0 14.0 12.0 27.0 DAY 7 9 4 26 3 10 11 25 6 16 12 26 MONTHLY TOTAL PRECIPITATION IN MM. 43.0 35.0 53.0 54.0 16.0 12.0 39.0 42.0 5.0 19.0 51.0 28.0 397.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 33.0 20.7 21.7 24.7 NO. OF DAYS WITH PRECIPITATION. 5 5 8 9 4 3 7 5 3 2 6 6 63 NO. OF DAYS PRECIPITATION EQUAL 5 5 8 9 4 3 7 5 3 2 6 6 63 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 1 2 2 0 0 1 1 0 1 3 1 14 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 68 77 *** 85 87 88 89 90 89 90 88 84 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 78 87 *** 67 44 23 32 39 29 34 62 77 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 79 87 *** 72 48 39 48 54 39 66 82 83 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 28 26 *** 8 0 0 0 0 0 0 13 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 17 15 *** 1 0 0 0 0 0 0 0 12 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 *** 0 0 6 11 5 1 0 0 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 *** 0 0 0 0 0 0 0 0 0 *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 *** 0 0 0 0 0 0 0 0 0 *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. 31 29 *** 11 0 0 0 0 0 13 22 31 *** DATE OF START AND END FREEZING START = 2 OCT. END = 11 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 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.***** ***** 0.2 5.5 11.9 16.4 20.6 20.1 14.1 11.1 6.1 1.2 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -17.6 -16.5 -3.9 -0.9 4.9 7.3 10.6 10.2 3.9 0.2 -2.5 -5.5 -0.8 AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** 4.3 11.8 18.8 25.4 30.7 29.9 24.3 22.0 14.8 7.9 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** 8.2 12.7 13.9 18.1 20.1 19.7 20.3 21.8 17.3 13.4 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.09 1.22 3.50 4.26 6.58 7.69 10.12 9.87 6.28 4.63 4.03 3.11 5.20 MEAN OF MIXING RATIO AT 09 GMT. 2.59 2.97 6.07 8.43 9.56 12.96 24.74 26.18 18.13 12.87 7.78 6.05 11.53 MEAN OF MIXING RATIO AT 15 GMT. 1.96 2.26 5.29 7.93 8.59 10.76 20.98 23.56 11.95 7.53 6.55 4.66 9.34 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -26.0 -26.0 -11.0 -11.0 -2.5 5.0 8.0 8.0 -2.0 -4.5 -9.0 -10.0 -26.0 DAY 16 4 1 2 3 3 29 20 24 25 23 9 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** 10.5 19.0 28.0 33.0 34.0 33.0 30.0 27.0 19.5 15.0 ****** DAY ** ** 25 26 28 30 15 13 4 13 13 3 24 HOUR MAXIMUM PRECIPITATION IN MM. 6.0 10.0 5.0 3.0 4.0 6.0 8.0 6.0 0.0 4.0 3.0 13.0 13.0 DAY 4 19 16 29 21 7 15 20 ** 30 15 4 MONTHLY TOTAL PRECIPITATION IN MM. 18.0 18.0 31.0 8.0 16.0 11.0 8.0 6.0 0.0 5.0 4.0 48.0 173.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 38.7 20.2 8.1 32.9 NO. OF DAYS WITH PRECIPITATION. 6 8 11 4 7 3 1 4 0 2 2 8 56 NO. OF DAYS PRECIPITATION EQUAL 5 3 10 4 6 3 1 1 0 2 2 7 44 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 1 0 0 0 0 0 0 0 0 0 1 2 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 69 71 91 87 88 86 89 90 89 86 88 86 85 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 87 90 95 79 58 52 72 80 77 64 62 75 74 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 82 85 94 84 72 63 75 84 79 70 77 87 79 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 31 28 19 6 0 0 0 0 0 2 15 23 124 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 3 0 0 0 0 0 0 0 0 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** 0 0 0 3 19 19 3 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 30 17 5 0 0 0 1 15 21 30 178 DATE OF START AND END FREEZING START = 24 SEP. END = 5 MAY IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 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. -6.3 -5.7 2.6 9.0 15.4 19.7 18.7 19.6 14.9 8.7 4.0 -4.0 8.0 AVERAGE OF MINIMUM TEMPERATURE IN C. -10.3 -10.1 -3.9 -0.1 5.4 9.3 11.6 12.5 5.8 -0.1 -3.6 -9.1 0.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. -2.4 -1.4 9.1 18.1 25.4 30.1 25.7 26.7 24.0 17.5 11.6 1.2 15.5 DIFFERENCE BETWEEN AVERAGE MAXIMUM 7.9 8.7 13.0 18.2 20.0 20.8 14.1 14.2 18.2 17.6 15.2 10.3 14.8 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.14 2.00 3.94 4.98 7.39 9.52 10.89 11.39 7.22 4.71 3.52 2.42 5.84 MEAN OF MIXING RATIO AT 09 GMT. 3.46 3.80 7.18 11.40 17.26 21.83 16.75 22.30 17.27 11.23 7.78 4.82 12.09 MEAN OF MIXING RATIO AT 15 GMT. 2.84 3.28 4.91 8.59 13.00 15.50 12.67 18.64 14.90 8.87 6.68 4.15 9.50 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -20.0 -20.0 -12.5 -5.0 0.0 2.5 9.0 6.0 2.0 -5.5 -6.0 -24.5 -24.5 DAY 27 13 21 7 14 1 6 31 30 18 24 27 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 7.5 4.5 22.5 27.5 32.0 38.0 33.0 30.5 26.5 24.0 15.0 15.5 38.0 DAY 4 28 28 26 10 16 15 5 9 2 6 5 24 HOUR MAXIMUM PRECIPITATION IN MM. 6.0 11.0 10.0 12.0 3.0 0.0 7.0 0.0 0.0 4.0 12.0 11.0 12.0 DAY 10 9 12 3 13 ** 5 ** ** 28 13 25 MONTHLY TOTAL PRECIPITATION IN MM. 29.0 43.0 45.0 27.0 3.0 0.0 10.0 0.0 0.0 8.0 18.0 17.0 200.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 58.5 15.0 5.0 21.5 NO. OF DAYS WITH PRECIPITATION. 10 7 7 6 1 0 2 0 0 2 2 4 41 NO. OF DAYS PRECIPITATION EQUAL 10 7 7 6 1 0 2 0 0 2 2 4 41 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 1 3 1 0 0 0 0 0 0 1 1 7 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 81 80 90 91 88 91 94 95 90 92 90 82 89 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 87 88 83 81 78 70 67 83 76 73 76 83 79 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 86 88 88 86 77 70 69 83 80 78 78 80 80 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 30 27 18 5 0 0 0 0 0 4 20 27 131 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 24 17 3 0 0 0 0 0 0 0 0 19 63 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 5 17 5 6 0 0 0 0 33 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 29 15 1 0 0 0 0 16 28 31 179 DATE OF START AND END FREEZING START = 4 OCT. END = 14 MAY IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 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. -6.6 -6.2 0.4 6.4 10.4 14.5 19.3 19.4 13.9 9.7 5.1 -7.0 6.6 AVERAGE OF MINIMUM TEMPERATURE IN C. -10.0 -9.7 -2.4 1.6 4.5 6.9 10.2 11.2 4.4 0.7 -2.4 -14.7 0.0 AVERAGE OF MAXIMUM TEMPERATURE IN C. -3.2 -2.7 3.1 11.2 16.3 22.2 28.3 27.7 23.4 18.8 12.7 0.7 13.2 DIFFERENCE BETWEEN AVERAGE MAXIMUM 6.8 7.0 5.5 9.6 11.8 15.3 18.1 16.5 19.0 18.1 15.1 15.4 13.2 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.11 2.27 4.00 5.79 6.64 7.75 9.95 10.46 6.44 4.97 3.59 1.39 5.45 MEAN OF MIXING RATIO AT 09 GMT. 3.46 3.58 5.38 8.31 11.73 15.25 23.53 23.21 15.35 13.66 6.51 2.49 11.04 MEAN OF MIXING RATIO AT 15 GMT. 2.93 2.93 4.71 6.78 9.70 13.18 19.70 20.06 13.00 12.00 5.77 2.83 9.47 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -19.0 -21.0 -10.0 -4.0 0.0 4.0 7.0 8.0 -1.5 -2.0 -7.8 -25.0 -25.0 DAY 1 12 11 14 7 4 14 28 30 8 28 24 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 0.0 4.0 9.5 16.0 25.0 25.5 34.0 32.0 27.5 23.0 18.0 9.0 34.0 DAY 21 18 29 29 16 24 31 6 2 3 5 10 24 HOUR MAXIMUM PRECIPITATION IN MM. 3.0 3.0 22.0 19.0 16.0 7.0 2.0 0.0 2.0 3.0 3.0 14.0 22.0 DAY 14 22 24 29 4 23 13 ** 16 11 11 12 MONTHLY TOTAL PRECIPITATION IN MM. 8.0 9.0 85.0 31.0 53.0 7.0 4.0 0.0 4.0 11.0 6.0 28.5 246.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 41.4 36.9 3.2 18.5 NO. OF DAYS WITH PRECIPITATION. 4 4 13 4 9 1 2 0 2 5 2 6 52 NO. OF DAYS PRECIPITATION EQUAL 4 4 13 4 9 1 2 0 2 5 2 5 51 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 3 1 3 0 0 0 0 0 0 1 8 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 84 83 91 88 88 90 89 88 89 90 81 55 85 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 90 90 90 82 79 75 78 80 70 83 61 58 78 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 88 84 90 83 82 77 76 85 75 85 64 62 79 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 31 26 15 1 0 0 0 0 0 0 12 27 112 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 31 23 4 0 0 0 0 0 0 0 0 16 74 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 18 9 0 0 0 0 27 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 10 1 0 0 0 3 14 23 29 161 DATE OF START AND END FREEZING START = 28 SEP. END = 7 MAY IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 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.***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** 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 FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 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. -8.7 -5.6 -0.1 8.6 12.8 16.9 19.1 19.2 ***** 8.4 2.7 0.9 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -16.2 -11.6 -5.4 1.1 5.4 8.3 10.8 10.8 ***** -0.4 -2.4 -5.5 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. -1.3 0.5 5.3 16.0 20.2 25.6 27.4 27.6 ***** 17.2 7.9 7.4 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 14.9 12.1 10.7 14.9 14.8 17.3 16.6 16.8 ***** 17.6 10.3 12.9 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.26 1.80 2.91 4.43 6.10 6.75 8.37 8.30 ***** 4.05 3.93 2.82 ***** MEAN OF MIXING RATIO AT 09 GMT. 3.01 3.42 4.54 4.21 5.64 6.19 8.96 7.74 ***** 3.75 4.69 3.79 ***** MEAN OF MIXING RATIO AT 15 GMT. 2.65 3.31 4.33 4.61 5.85 7.08 10.07 9.12 ***** 4.37 4.34 3.54 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -25.5 -23.0 -12.0 -4.0 -0.5 3.5 3.5 8.0 ***** -8.8 -15.6 -10.8 ****** DAY 20 17 14 6 1 6 17 6 ** 8 15 7 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 6.0 6.5 15.5 23.0 25.5 31.5 32.0 32.0 ***** 25.6 14.8 11.8 ****** DAY 29 28 30 20 20 28 3 12 ** 1 9 28 24 HOUR MAXIMUM PRECIPITATION IN MM. 17.0 26.0 17.0 2.0 3.0 1.5 3.0 1.0 ***** 1.0 7.0 7.0 ****** DAY 8 21 19 8 6 3 28 23 ** 5 1 16 MONTHLY TOTAL PRECIPITATION IN MM. 25.0 54.5 57.5 2.0 6.0 3.0 3.0 1.5 ***** 2.2 35.9 11.4 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 67.8 5.4 2.2 24.5 NO. OF DAYS WITH PRECIPITATION. 6 9 13 1 4 4 4 3 *** 3 12 4 *** NO. OF DAYS PRECIPITATION EQUAL 4 6 11 1 4 2 1 1 *** 1 9 2 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 2 2 0 0 0 0 0 *** 0 0 0 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 60 69 81 77 74 68 66 71 *** 77 84 82 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 80 79 76 36 36 30 34 30 *** 30 63 58 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 79 82 78 49 44 44 56 52 *** 46 71 64 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 30 25 21 1 0 0 0 0 *** 3 9 21 *** 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 26 11 3 0 0 0 0 0 *** 0 3 0 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 4 8 9 *** 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. 31 28 29 10 1 0 0 0 *** 19 19 29 *** DATE OF START AND END FREEZING START = 1 OCT. END = 1 MAY IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 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. -0.7 -2.4 4.1 9.6 12.2 16.7 20.9 21.4 12.9 8.9 6.0 -2.4 8.9 AVERAGE OF MINIMUM TEMPERATURE IN C. -6.6 -8.4 -2.5 1.9 4.1 8.0 12.0 12.7 4.3 1.7 0.2 -8.5 1.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. 5.1 3.7 10.7 17.3 20.3 25.3 29.7 30.2 21.5 16.1 11.8 3.6 16.3 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.7 12.1 13.2 15.4 16.2 17.3 17.7 17.5 17.2 14.4 11.6 12.1 14.7 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.77 2.38 3.41 4.70 5.63 8.13 9.19 9.30 5.88 5.18 4.26 2.22 5.25 MEAN OF MIXING RATIO AT 09 GMT. 3.48 2.96 3.57 4.08 4.56 10.26 9.66 7.56 7.45 6.77 4.51 2.54 5.62 MEAN OF MIXING RATIO AT 15 GMT. 3.46 2.85 3.59 4.96 6.00 10.45 9.52 8.99 7.59 6.88 4.81 2.50 5.97 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -12.8 -18.6 -6.8 -8.4 0.2 2.0 8.0 10.2 -1.0 -4.0 -5.0 -16.2 -18.6 DAY 28 4 17 5 2 7 1 26 23 12 10 8 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 12.2 11.4 18.0 25.0 25.6 31.0 35.0 35.0 27.8 21.6 15.8 9.0 35.0 DAY 3 27 31 25 31 17 18 1 2 19 3 19 24 HOUR MAXIMUM PRECIPITATION IN MM. 12.0 23.0 11.0 4.0 7.0 0.8 0.0 0.0 1.0 8.2 20.0 7.0 23.0 DAY 5 1 27 18 17 5 ** ** 6 23 7 4 MONTHLY TOTAL PRECIPITATION IN MM. 29.0 24.2 27.5 7.9 24.2 1.2 0.0 0.0 1.4 17.7 91.1 15.6 239.8 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 33.7 13.9 0.6 51.9 NO. OF DAYS WITH PRECIPITATION. 6 5 7 8 8 2 0 0 2 10 12 6 66 NO. OF DAYS PRECIPITATION EQUAL 5 1 5 2 5 0 0 0 1 6 10 3 38 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 1 1 0 0 0 0 0 0 0 6 0 9 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 83 82 80 77 77 80 74 76 81 88 80 75 79 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 61 55 44 31 28 47 35 26 42 53 50 48 43 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 68 62 49 47 46 64 46 41 58 70 61 56 56 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 25 24 12 3 0 0 0 0 0 2 6 25 97 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 2 6 0 0 0 0 0 0 0 0 0 4 12 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 3 19 20 0 0 0 0 42 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 29 26 28 10 0 0 0 0 4 8 16 29 150 DATE OF START AND END FREEZING START = 19 SEP. END = 19 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 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. -1.7 0.4 3.7 8.8 12.6 16.3 22.0 21.7 15.7 8.7 4.9 -4.4 9.1 AVERAGE OF MINIMUM TEMPERATURE IN C. -8.5 -5.6 -3.9 1.6 5.6 8.7 13.5 12.3 6.3 -0.1 -4.1 -11.5 1.2 AVERAGE OF MAXIMUM TEMPERATURE IN C. 5.0 6.4 11.2 15.9 19.5 23.9 30.5 31.1 25.1 17.5 13.9 2.8 16.9 DIFFERENCE BETWEEN AVERAGE MAXIMUM 13.5 12.0 15.1 14.3 13.9 15.2 17.0 18.8 18.8 17.6 18.0 14.3 15.7 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.21 2.72 3.03 4.73 6.07 7.46 9.61 7.26 5.44 4.09 2.69 1.81 4.76 MEAN OF MIXING RATIO AT 09 GMT. 3.03 3.46 3.55 5.08 5.21 6.87 8.71 7.48 4.91 4.09 2.81 3.06 4.85 MEAN OF MIXING RATIO AT 15 GMT. 3.11 3.54 3.74 5.19 6.45 7.98 9.83 8.94 6.98 4.74 2.94 2.61 5.51 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -15.0 -12.6 -10.0 -5.0 0.5 4.5 9.0 8.0 0.0 -6.0 -13.0 -20.0 -20.0 DAY 2 26 6 7 11 1 1 11 22 21 29 21 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 11.0 11.4 17.6 21.0 23.6 30.0 35.0 34.0 29.8 25.0 19.4 8.8 35.0 DAY 31 22 25 3 6 21 13 5 9 4 2 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 6.0 6.0 11.0 28.0 9.0 1.0 2.0 0.0 5.0 8.0 4.0 7.0 28.0 DAY 1 18 18 24 28 4 5 ** 21 25 11 4 MONTHLY TOTAL PRECIPITATION IN MM. 17.6 17.6 22.1 54.1 32.9 3.1 2.6 0.0 6.0 8.0 4.4 17.2 185.6 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 30.9 48.5 4.6 15.9 NO. OF DAYS WITH PRECIPITATION. 5 9 8 9 7 4 3 0 4 1 2 6 58 NO. OF DAYS PRECIPITATION EQUAL 4 5 4 7 6 3 1 0 1 1 1 3 36 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 1 1 0 0 0 0 0 0 0 0 2 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 81 80 78 80 74 72 71 60 68 80 66 80 74 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 56 55 40 42 34 34 30 24 23 33 27 65 39 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 66 66 52 53 53 53 47 39 44 50 35 67 52 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 27 21 18 3 0 0 0 0 0 4 16 30 119 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 1 0 0 0 0 0 1 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 1 2 0 0 0 0 0 0 0 0 0 8 11 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 2 21 25 0 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. 30 27 26 10 0 0 0 0 1 18 24 31 167 DATE OF START AND END FREEZING START = 22 SEP. END = 29 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 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. -5.1 -2.0 -0.3 7.2 13.4 16.9 18.5 19.1 16.6 9.3 2.6 1.3 8.1 AVERAGE OF MINIMUM TEMPERATURE IN C. -11.7 -7.2 -5.4 0.7 6.0 8.8 10.6 10.1 6.2 1.0 -5.4 -6.5 0.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. 1.5 3.1 4.8 13.8 20.8 25.0 26.4 28.1 27.0 17.6 10.6 9.1 15.7 DIFFERENCE BETWEEN AVERAGE MAXIMUM 13.2 10.3 10.2 13.1 14.8 16.2 15.8 18.0 20.8 16.6 16.0 15.6 15.0 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.87 2.58 3.01 4.95 7.22 7.85 8.33 7.33 5.14 4.52 2.69 2.27 4.81 MEAN OF MIXING RATIO AT 09 GMT. 2.82 3.22 3.52 4.89 6.71 6.71 7.31 6.52 4.57 4.69 3.24 2.79 4.75 MEAN OF MIXING RATIO AT 15 GMT. 2.63 3.34 3.67 5.11 7.18 7.79 9.52 8.91 5.71 4.79 3.51 2.80 5.41 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -20.0 -20.0 -15.0 -12.0 0.0 5.5 5.0 3.0 1.4 -3.0 -11.0 -12.8 -20.0 DAY 22 7 1 5 2 8 31 3 21 8 13 2 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 8.0 11.4 17.0 20.5 27.8 31.0 30.0 32.0 30.7 21.4 16.5 13.4 32.0 DAY 1 25 31 21 31 4 2 23 10 24 2 28 24 HOUR MAXIMUM PRECIPITATION IN MM. 3.0 12.0 20.0 24.0 33.0 12.0 5.0 2.0 0.6 30.0 0.0 0.6 33.0 DAY 5 2 2 3 21 28 5 30 1 16 ** 15 MONTHLY TOTAL PRECIPITATION IN MM. 10.9 33.1 85.3 79.6 96.1 42.0 11.2 3.2 0.6 35.0 0.0 1.4 398.4 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 32.5 54.6 3.8 9.1 NO. OF DAYS WITH PRECIPITATION. 6 12 14 10 16 6 5 4 1 3 0 3 80 NO. OF DAYS PRECIPITATION EQUAL 5 5 9 9 10 6 5 1 0 3 0 0 53 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 2 4 4 3 3 0 0 0 1 0 0 17 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 84 80 82 84 84 74 68 65 63 81 77 70 76 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 66 65 61 49 41 32 30 25 19 36 37 38 42 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 72 72 70 58 57 50 50 47 35 50 54 46 55 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 31 23 18 4 0 0 0 0 0 0 20 25 121 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 13 8 4 1 0 0 0 0 0 0 0 0 26 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 1 12 6 0 0 0 20 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 30 12 1 0 0 0 0 12 30 30 174 DATE OF START AND END FREEZING START = 7 OCT. END = 2 MAY IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 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. -2.7 -3.7 0.4 8.0 12.6 18.3 22.5 21.6 15.2 11.2 3.6 -0.7 8.9 AVERAGE OF MINIMUM TEMPERATURE IN C. -10.2 -11.2 -5.4 0.1 4.6 10.1 14.7 12.0 6.1 2.4 -2.2 -5.8 1.3 AVERAGE OF MAXIMUM TEMPERATURE IN C. 4.8 3.8 6.2 16.0 20.7 26.4 30.3 31.3 24.3 20.0 9.4 4.3 16.4 DIFFERENCE BETWEEN AVERAGE MAXIMUM 15.0 15.0 11.6 15.9 16.1 16.3 15.6 19.3 18.2 17.6 11.6 10.1 15.2 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.04 1.76 2.75 3.66 5.48 7.54 9.15 6.30 5.41 4.13 3.80 2.81 4.57 MEAN OF MIXING RATIO AT 09 GMT. 2.68 2.11 2.94 3.29 4.39 5.91 7.01 5.02 4.16 3.78 4.30 3.40 4.08 MEAN OF MIXING RATIO AT 15 GMT. 2.72 2.01 2.81 3.56 5.52 7.31 8.33 6.48 5.93 4.66 4.29 3.58 4.77 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -21.0 -23.6 -16.0 -13.0 -1.0 5.8 10.8 6.0 1.4 -2.5 -7.8 -14.4 -23.6 DAY 29 2 21 12 6 5 8 30 16 27 30 29 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 10.8 10.4 13.5 24.5 28.5 31.0 35.0 35.6 30.6 25.0 16.0 9.2 35.6 DAY 7 18 24 27 28 16 28 13 1 6 10 6 24 HOUR MAXIMUM PRECIPITATION IN MM. 10.0 5.8 15.0 4.0 8.0 14.0 0.7 1.0 0.0 3.6 13.0 7.0 15.0 DAY 28 19 29 5 5 19 4 24 ** 31 1 10 MONTHLY TOTAL PRECIPITATION IN MM. 20.3 8.4 50.7 7.6 13.5 28.4 0.7 1.0 0.0 7.1 26.6 23.1 187.4 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 42.4 26.4 0.9 30.3 NO. OF DAYS WITH PRECIPITATION. 5 4 11 4 5 6 1 1 0 4 4 7 52 NO. OF DAYS PRECIPITATION EQUAL 2 2 8 2 2 5 0 1 0 3 3 4 32 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 0 1 0 0 1 0 0 0 0 1 0 4 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 77 73 77 66 69 66 64 52 68 70 88 85 71 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 50 41 47 28 27 26 26 16 22 24 54 61 35 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 61 46 52 35 45 43 40 28 43 40 64 70 47 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 29 24 21 6 0 0 0 0 0 0 6 21 107 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 4 7 3 0 0 0 0 0 0 0 0 0 14 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 19 23 1 0 0 0 44 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 13 3 0 0 0 0 7 25 31 166 DATE OF START AND END FREEZING START = 19 OCT. END = 9 MAY IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 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. -9.4 -5.8 2.6 9.5 13.2 17.9 20.2 20.3 16.3 9.9 6.3 2.9 8.7 AVERAGE OF MINIMUM TEMPERATURE IN C. -15.8 -11.6 -3.2 2.1 5.9 9.6 12.7 12.3 7.6 1.1 -2.7 -4.3 1.1 AVERAGE OF MAXIMUM TEMPERATURE IN C. -3.1 0.0 8.3 16.8 20.5 26.3 27.8 28.3 25.1 18.7 15.2 10.1 16.2 DIFFERENCE BETWEEN AVERAGE MAXIMUM 12.7 11.6 11.5 14.7 14.6 16.7 15.1 16.0 17.5 17.6 17.9 14.4 15.0 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.52 2.05 3.19 4.63 6.21 7.39 9.32 8.79 7.33 4.89 3.42 3.01 5.15 MEAN OF MIXING RATIO AT 09 GMT. 2.35 2.72 3.67 4.10 5.05 6.31 7.72 7.53 5.97 4.55 3.61 3.73 4.78 MEAN OF MIXING RATIO AT 15 GMT. 2.25 2.62 3.69 4.84 6.20 8.28 9.36 9.52 7.64 5.22 4.31 3.86 5.65 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -26.6 -22.4 -13.5 -5.0 1.4 6.8 10.0 10.0 3.0 -2.5 -4.5 -11.2 -26.6 DAY 8 17 3 7 5 1 25 29 17 25 26 7 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 3.4 8.2 16.4 26.4 26.8 31.4 33.1 32.4 31.0 26.0 18.5 17.0 33.1 DAY 30 7 29 16 12 28 13 28 1 1 2 13 24 HOUR MAXIMUM PRECIPITATION IN MM. 37.0 23.0 30.0 18.0 6.0 5.0 18.0 7.0 11.0 5.0 0.0 9.2 37.0 DAY 6 15 30 6 30 12 16 3 14 12 ** 4 MONTHLY TOTAL PRECIPITATION IN MM. 76.0 53.6 69.0 31.3 25.1 10.9 26.3 17.6 17.3 11.0 0.0 23.6 361.7 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 54.9 18.6 16.9 9.6 NO. OF DAYS WITH PRECIPITATION. 10 11 9 6 9 5 6 8 4 5 0 5 78 NO. OF DAYS PRECIPITATION EQUAL 10 7 8 4 9 3 5 4 4 5 0 4 63 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 2 2 1 0 0 1 0 1 0 0 0 8 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 81 84 77 78 74 65 70 70 80 79 76 78 76 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 70 68 50 32 31 26 32 29 29 33 32 48 40 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 75 74 55 45 48 45 49 49 52 50 46 56 54 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 31 27 13 1 0 0 0 0 0 0 7 16 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 26 13 1 0 0 0 0 0 0 0 0 1 41 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 3 9 14 4 0 0 0 30 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 31 27 25 11 0 0 0 0 0 16 30 30 170 DATE OF START AND END FREEZING START = 15 OCT. END = 25 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 MET. MEAN AND EXTREMES FOR THE YEAR 1999 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. -2.3 0.8 2.0 7.8 13.5 18.3 18.8 20.2 16.0 10.6 2.3 0.5 9.0 AVERAGE OF MINIMUM TEMPERATURE IN C. -8.4 -6.0 -4.9 0.6 4.4 8.8 11.2 11.1 7.0 1.8 -3.8 -6.2 1.3 AVERAGE OF MAXIMUM TEMPERATURE IN C. 3.9 7.6 8.9 15.0 22.6 27.7 26.3 29.3 25.0 19.4 8.5 7.3 16.8 DIFFERENCE BETWEEN AVERAGE MAXIMUM 12.3 13.6 13.8 14.4 18.2 18.9 15.1 18.2 18.0 17.6 12.3 13.5 15.5 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.15 2.44 2.68 4.33 5.42 6.30 8.49 7.42 6.52 4.52 3.27 2.76 4.69 MEAN OF MIXING RATIO AT 09 GMT. 2.54 2.90 3.08 4.26 4.76 5.15 8.17 6.29 6.30 5.03 4.08 3.51 4.67 MEAN OF MIXING RATIO AT 15 GMT. 2.80 2.95 3.27 4.47 5.72 6.60 9.66 8.73 7.95 5.85 4.03 3.25 5.44 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -14.6 -10.5 -12.6 -6.0 -2.5 5.0 8.5 7.8 1.5 -2.0 -11.0 -11.5 -14.6 DAY 6 2 19 11 22 5 13 25 28 14 30 1 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 10.0 13.4 17.6 20.0 29.4 31.6 32.6 31.8 31.0 25.0 14.0 15.4 32.6 DAY 15 27 31 30 31 28 4 26 16 5 5 31 24 HOUR MAXIMUM PRECIPITATION IN MM. 12.0 11.0 18.0 19.0 3.0 2.0 33.0 3.0 2.6 5.0 12.0 9.0 33.0 DAY 19 6 21 29 5 17 16 17 27 8 1 3 MONTHLY TOTAL PRECIPITATION IN MM. 49.0 32.4 40.8 53.5 6.4 2.0 75.6 3.6 3.4 16.8 52.0 28.2 363.7 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 33.6 17.0 22.7 26.7 NO. OF DAYS WITH PRECIPITATION. 7 6 10 9 4 1 8 4 2 7 9 9 76 NO. OF DAYS PRECIPITATION EQUAL 6 6 9 8 2 1 7 1 1 5 8 8 62 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 3 1 1 2 0 0 2 0 0 0 2 0 11 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 76 72 76 75 71 61 72 64 75 71 84 85 74 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 48 42 42 37 26 20 36 22 30 35 53 55 37 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 58 49 52 47 42 38 57 43 53 53 66 57 51 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 28 23 25 3 0 0 0 0 0 0 17 22 118 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 4 0 2 0 0 0 0 0 0 0 2 1 9 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 9 8 14 2 0 0 0 33 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 30 16 2 0 0 0 0 9 26 31 173 DATE OF START AND END FREEZING START = 14 OCT. END = 24 MAY IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 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. -3.2 -8.1 1.8 11.2 15.2 17.2 19.8 19.9 16.9 8.9 1.8 -0.8 8.4 AVERAGE OF MINIMUM TEMPERATURE IN C. -9.5 -15.7 -5.2 2.6 5.5 7.9 11.3 11.2 8.2 1.2 -4.5 -5.7 0.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. 3.1 -0.6 8.7 19.8 24.9 26.4 28.2 28.7 25.6 16.7 8.1 4.1 16.1 DIFFERENCE BETWEEN AVERAGE MAXIMUM 12.6 15.1 13.9 17.2 19.4 18.5 16.9 17.5 17.4 15.5 12.6 9.8 15.5 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.39 1.53 3.26 4.31 4.64 6.29 7.71 7.51 6.71 4.69 3.14 2.81 4.58 MEAN OF MIXING RATIO AT 09 GMT. 2.92 2.69 3.49 3.92 3.35 4.96 6.27 6.40 5.35 4.87 3.61 3.34 4.27 MEAN OF MIXING RATIO AT 15 GMT. 2.72 2.53 3.41 4.82 4.79 6.93 8.43 9.00 7.27 5.26 4.17 3.36 5.22 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -23.5 -24.5 -16.0 -3.0 1.0 2.0 7.0 7.5 3.0 -2.6 -10.0 -13.0 -24.5 DAY 18 9 4 2 3 14 24 26 26 30 11 17 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 14.0 5.4 14.4 23.6 29.2 33.0 32.4 32.5 31.0 22.5 16.0 8.4 33.0 DAY 1 26 22 15 26 29 1 3 9 26 2 25 24 HOUR MAXIMUM PRECIPITATION IN MM. 27.0 40.0 7.4 3.0 0.0 6.0 5.0 4.0 4.0 14.0 3.8 19.0 40.0 DAY 28 14 1 22 ** 13 15 5 30 15 10 11 MONTHLY TOTAL PRECIPITATION IN MM. 80.0 59.2 25.5 6.5 0.0 7.0 10.7 5.0 6.8 25.4 11.8 50.3 288.2 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 57.1 4.7 7.8 30.4 NO. OF DAYS WITH PRECIPITATION. 9 6 7 5 0 2 5 2 5 9 6 10 66 NO. OF DAYS PRECIPITATION EQUAL 9 5 5 3 0 2 3 2 3 8 3 10 53 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 3 1 0 0 0 0 0 0 0 1 0 2 7 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 85 89 87 69 56 62 60 60 70 80 83 86 74 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 59 71 47 24 15 22 23 24 25 40 48 60 38 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 65 75 56 40 30 44 40 46 48 57 70 67 53 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 27 29 25 0 0 0 0 0 0 0 16 22 119 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 20 2 0 0 0 0 0 0 0 0 0 31 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 10 9 11 2 0 0 0 32 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 30 29 27 8 0 0 0 0 0 13 26 31 164 DATE OF START AND END FREEZING START = 5 OCT. END = 27 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 MET. MEAN AND EXTREMES FOR THE PERIOD 1970 TO 2000 PAGE 1 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPE. IN C. -6.4 -4.3 1.2 8.5 13.1 18.1 20.6 19.9 15.7 9.9 5.1 -1.7 8.3 SD OF MEAN DAILY TEMPERATURE IN C. 4.42 3.54 1.86 1.33 1.78 2.62 2.44 1.45 1.58 2.40 3.39 3.15 2.50 AVERAGE OF MINIMUM TEMPERATURE IN C. -13.3 -10.9 -4.4 1.6 5.8 10.0 12.9 11.9 6.5 1.4 -2.7 -8.5 0.9 AVERAGE OF MAXIMUM TEMPERATURE IN C. 0.4 1.8 7.0 15.8 20.7 26.5 28.8 28.6 24.7 18.3 12.4 4.6 15.8 DIFFERENCE BETWEEN AVERAGE MAXIMUM 13.3 12.1 11.5 14.3 15.1 16.7 16.1 17.4 18.6 17.1 14.6 12.5 14.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.76 2.08 3.53 5.00 6.90 8.92 10.56 9.64 7.10 5.03 3.76 2.29 5.54 MEAN OF MIXING RATIO AT 09 GMT. 2.99 3.34 4.74 6.72 9.00 11.51 13.48 12.41 9.71 7.27 5.61 3.60 7.53 MEAN OF MIXING RATIO AT 15 GMT. 2.75 3.04 4.35 6.16 8.32 10.86 12.71 12.17 9.18 6.85 5.56 3.36 7.10 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -33.0 -35.0 -24.0 -13.0 -5.0 2.0 2.5 2.0 -2.0 -9.0 -19.5 -31.0 -35.0 YEAR - DAY 72-30 72- 5 85- 8 97-12 74- 1 94- 7 84-19 85-22 84-27 84-21 76-10 74-31 72- 5 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 14.0 13.4 22.5 27.5 32.0 39.0 37.0 37.0 32.0 30.0 30.0 17.0 39.0 YEAR - DAY 0- 1 99-27 90-28 90-26 90-10 76-27 70-28 70- 1 84- 3 72-31 72- 7 98-13 76-27 24 HOUR MAXIMUM PRECIPITATION IN MM. 37.0 40.0 30.0 36.0 34.0 17.5 33.0 27.0 11.0 30.0 20.0 29.5 40.0 YEAR - DAY 98- 6 0-14 74- 3 86-20 86- 4 75- 3 99-16 88-25 98-14 96-16 71-19 75-23 0-14 MONTHLY TOTAL PRECIPITATION IN MM. 39.6 33.8 48.2 29.2 28.2 10.9 11.9 7.7 3.1 10.5 19.7 29.5 272.3 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 44.8 25.1 8.3 21.9 NO. OF DAYS WITH PRECIPITATION. 6 6 9 6 6 3 3 2 1 3 4 6 55 NO. OF DAYS PRECIPITATION EQUAL 6 5 7 5 5 2 2 1 1 3 3 5 45 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 1 2 1 1 0 0 0 0 0 1 1 8 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 74 77 82 80 79 74 75 74 76 79 80 74 77 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 70 72 65 56 52 46 46 44 46 48 59 64 56 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 74 74 70 63 62 58 58 58 58 62 70 70 65 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 29 24 17 2 0 0 0 0 0 3 14 24 113 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 2 2 0 0 0 0 5 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 15 11 3 0 0 0 0 0 0 0 1 6 36 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 1 7 14 13 2 0 0 0 37 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 27 11 1 0 0 0 1 14 24 29 165 DATE OF START AND END FREEZING START = 4 SEP. END = 24 MAY IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FIROUZKOOH LATITUDE 35 45 N DATA PROCESSING CENTER LONGITUDE 52 47 E ELEVATION 1922 MET. MEAN AND EXTREMES FOR THE PERIOD 1970 TO 2000 PAGE 2 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE DRY BULB TEMPERATURE. IN C. -6.6 -4.8 2.3 9.5 14.4 19.5 22.2 21.5 16.7 10.9 5.3 -2.1 9.1 AVERAGE DEW POINT TEMPERATURE. IN C. -10.3 -8.6 -2.8 2.2 6.3 9.7 12.2 11.1 7.1 2.7 -0.6 -7.8 1.8 AVERAGE OF MIXING RATIO IN G/KG 2.51 2.82 4.19 6.01 8.08 10.47 12.25 11.39 8.67 6.38 5.05 2.99 6.73 AVERAGE OF VAPOUR PRESSURE HPA 3.20 3.60 5.37 7.71 10.36 13.40 15.66 14.58 11.12 8.19 6.47 3.83 8.62 AVERAGE OF SATURATION DEFICIT IN HPA 1.29 1.37 2.64 4.90 7.36 10.97 12.75 12.89 9.71 6.44 3.31 1.86 6.29 AVERAGE RELATIVE HUMIDITY IN PERCENT 72 74 72 67 64 60 60 59 60 63 70 69 66 AVERAGE OF MAXIMUM RELATIVE HUMIDITY(%) 84 85 85 83 81 78 77 76 78 81 84 83 81 AVERAGE OF MINIMUM RELATIVE HUMIDITY(%) 59 63 60 53 50 45 44 43 44 46 55 57 52 NO. OF DAYS PRECIPITATION EQUAL 3 2 3 2 2 1 1 1 0 1 2 2 20 OR MORE THAN 5 MM.