IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 1 STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 MET. AVERAGE OF MEAN DAILY TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MAX-MIN 1983 -1.4 0.7 3.3 9.8 17.4 23.3 25.5 24.5 19.9 13.5 7.2 2.2 26.9 1984 -0.2 -0.5 6.6 11.6 16.8 22.5 23.1 24.3 19.5 11.3 7.1 -1.1 25.4 1985 4.6 4.2 5.1 12.6 16.7 ****** ****** 20.8 ****** 13.1 ****** ****** ****** 1986 ****** ****** ****** ****** ****** ****** 23.6 20.6 19.6 14.5 6.1 1.5 ****** 1987 4.8 5.0 5.1 11.2 17.4 22.2 24.0 22.1 18.7 11.2 7.6 3.7 20.3 1988 0.7 1.4 5.8 13.7 17.0 21.5 23.7 ****** 19.5 15.7 6.8 2.6 ****** 1989 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1990 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1991 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1992 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1993 -1.1 1.9 4.4 12.4 ****** 23.0 23.6 23.3 21.7 12.1 8.5 5.7 ****** 1994 3.1 2.6 8.6 14.4 17.4 23.1 26.3 26.4 17.5 12.7 9.7 3.6 23.8 1995 4.2 3.5 7.4 12.7 15.9 21.5 26.8 24.8 21.1 12.1 7.6 1.6 25.1 1996 ****** ****** 5.7 13.9 18.3 26.9 22.3 ****** 24.1 ****** 7.8 5.1 ****** 1997 2.6 3.2 4.9 11.4 16.6 22.5 27.3 25.5 20.1 15.8 6.4 3.9 24.7 1998 0.4 1.8 7.1 12.9 18.8 21.4 29.3 28.1 25.0 15.4 11.7 10.3 28.9 1999 6.3 4.0 6.4 11.9 18.8 19.4 19.3 19.3 18.0 4.9 -2.6 -4.6 24.0 2000 -4.2 -0.9 2.5 4.0 7.8 17.8 20.5 20.4 19.2 15.6 5.0 3.6 24.7 2001 2.1 1.8 6.0 11.7 17.9 23.7 25.7 24.6 20.8 16.2 10.6 6.3 23.9 2002 4.6 2.0 4.6 7.1 16.2 20.5 21.4 23.2 21.3 17.3 ****** 7.1 ****** 2003 2.8 2.8 5.8 13.4 15.2 21.2 26.8 23.4 20.9 17.3 8.5 2.8 24.0 MEAN 2.0 2.2 5.6 11.5 16.5 22.0 24.3 23.4 20.4 13.7 7.2 3.4 22.3 SD 2.86 1.68 1.52 2.67 2.64 2.04 2.68 2.44 1.98 3.09 3.22 3.37 2.52 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 2 STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 MET. AVERAGE OF MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1983 -5.3 -4.2 -2.4 4.8 10.8 16.3 18.0 16.7 11.5 6.3 -1.1 -3.3 5.7 1984 -5.0 -5.6 1.0 5.8 10.7 15.1 16.5 18.5 12.9 5.0 1.2 -6.7 5.8 1985 0.2 -0.9 -1.0 6.8 10.2 ****** ****** 13.8 ****** 7.1 ****** ****** ****** 1986 ****** ****** ****** ****** ****** ****** 16.6 13.4 12.8 7.6 1.2 -2.8 ****** 1987 -2.8 -2.6 -0.5 6.2 10.4 14.5 17.1 15.5 11.4 4.7 0.3 -2.5 6.0 1988 -5.7 -3.3 -0.3 8.8 9.3 12.5 15.3 ****** 9.6 7.5 0.4 -4.2 ****** 1989 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1990 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1991 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1992 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1993 -4.3 -2.4 -0.5 6.5 ****** 17.1 17.4 16.9 14.7 7.3 3.2 0.2 ****** 1994 -2.4 -2.6 2.6 8.7 11.4 16.0 19.4 19.9 10.9 8.7 5.8 0.1 8.2 1995 0.3 -0.6 2.8 8.5 10.9 15.1 20.8 19.6 16.0 6.5 3.3 -2.0 8.4 1996 ****** ****** 1.0 9.1 13.7 20.9 14.7 ****** 18.6 ****** 2.9 -0.3 ****** 1997 -1.9 -1.2 -0.1 6.1 11.3 17.4 20.9 19.4 13.9 11.1 2.5 0.0 8.3 1998 -3.5 -2.4 3.7 8.5 14.6 17.2 24.5 22.7 20.0 10.2 7.1 6.3 10.7 1999 2.2 0.9 2.0 6.5 13.8 14.3 13.4 13.4 12.3 1.3 -5.9 -8.0 5.5 2000 -7.3 -4.4 -0.7 0.5 3.0 10.7 13.0 12.6 12.1 9.9 1.2 -0.2 4.2 2001 -2.1 -3.3 -0.0 4.6 11.5 18.0 19.1 18.6 15.2 10.2 4.5 0.7 8.1 2002 -0.8 -3.6 -0.6 1.4 8.5 12.6 13.0 14.0 13.7 11.5 ****** 2.4 ****** 2003 -1.1 -1.1 2.1 7.8 8.3 13.2 18.7 16.6 14.5 12.1 3.9 -1.3 7.8 MEAN -2.6 -2.5 0.6 6.3 10.6 15.4 17.4 16.8 13.8 7.9 2.0 -1.4 7.0 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 3 STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 MET. AVERAGE OF MAXIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1983 2.6 5.6 9.0 14.8 24.0 30.2 33.0 32.2 28.3 20.5 15.6 7.6 18.6 1984 4.7 4.5 10.9 17.5 22.9 29.9 29.7 30.2 26.1 17.7 12.9 4.5 17.6 1985 8.9 9.3 11.2 18.5 23.2 ****** ****** 27.8 ****** 19.1 ****** ****** ****** 1986 ****** ****** ****** ****** ****** ****** 30.6 27.7 26.5 21.5 11.0 5.8 ****** 1987 12.4 12.7 10.7 16.3 24.4 29.9 30.8 28.7 26.0 17.7 14.9 9.8 19.5 1988 7.2 6.1 11.9 18.6 24.8 30.5 32.1 ****** 29.4 23.8 13.2 9.4 ****** 1989 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1990 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1991 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1992 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1993 2.1 6.3 9.3 18.2 ****** 29.0 29.8 29.8 28.0 16.9 13.6 11.2 ****** 1994 8.6 7.9 14.7 20.2 23.4 30.3 33.3 32.9 24.2 16.8 13.6 7.0 19.4 1995 8.2 7.7 11.9 16.9 20.9 27.9 32.6 30.0 26.3 17.7 11.9 5.3 18.1 1996 ****** ****** 10.4 18.7 22.8 32.8 30.0 ****** 29.5 ****** 12.6 10.6 ****** 1997 7.0 7.7 9.8 16.7 21.8 27.5 33.8 31.7 26.3 20.4 10.3 7.8 18.4 1998 4.3 5.9 10.6 17.1 23.1 25.6 34.1 33.6 29.9 20.6 16.3 14.2 19.6 1999 10.5 7.1 10.7 17.3 23.8 24.5 25.2 25.2 23.6 8.4 0.6 -1.1 14.7 2000 -0.8 2.5 5.7 7.4 12.5 25.0 28.1 28.2 26.2 21.3 8.9 7.4 14.4 2001 6.4 6.8 11.9 18.8 24.4 29.3 32.2 30.6 26.5 22.2 16.6 11.9 19.8 2002 10.0 7.6 9.8 12.8 23.7 28.4 29.8 32.5 29.0 23.1 ****** 11.8 ****** 2003 6.7 6.8 9.5 19.0 22.1 29.2 34.9 30.2 27.3 22.4 13.1 6.9 19.0 MEAN 6.6 7.0 10.5 16.8 22.5 28.7 31.3 30.1 27.1 19.4 12.4 8.1 18.4 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 4 STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 MET. DIFFERENCE BETWEEN AVERAGE MAXIMUM AND MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1983 7.9 9.8 11.4 10.0 13.2 13.9 15.0 15.5 16.8 14.2 16.7 10.9 12.9 1984 9.7 10.1 9.9 11.7 12.2 14.8 13.2 11.7 13.2 12.7 11.7 11.2 11.8 1985 8.7 10.2 12.2 11.7 13.0 ****** ****** 14.0 ****** 12.0 ****** ****** ****** 1986 ****** ****** ****** ****** ****** ****** 14.0 14.3 13.7 13.9 9.8 8.6 ****** 1987 15.2 15.3 11.2 10.1 14.0 15.4 13.7 13.2 14.6 13.0 14.6 12.3 13.5 1988 12.9 9.4 12.2 9.8 15.5 18.0 16.8 ****** 19.8 16.3 12.8 13.6 ****** 1989 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1990 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1991 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1992 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1993 6.4 8.7 9.8 11.7 ****** 11.9 12.4 12.9 13.3 9.6 10.4 11.0 ****** 1994 11.0 10.5 12.1 11.5 12.0 14.3 13.9 13.0 13.3 8.1 7.8 6.9 11.2 1995 7.9 8.3 9.1 8.4 10.0 12.8 11.8 10.4 10.3 11.2 8.6 7.3 9.7 1996 ****** ****** 9.4 9.6 9.1 11.9 15.3 ****** 10.9 ****** 9.7 10.9 ****** 1997 8.9 8.9 9.9 10.6 10.5 10.1 12.9 12.3 12.4 9.3 7.8 7.8 10.1 1998 7.8 8.3 6.9 8.6 8.5 8.4 9.6 10.9 9.9 10.4 9.2 7.9 8.9 1999 8.3 6.2 8.7 10.8 10.0 10.2 11.8 11.8 11.3 7.1 6.5 6.9 9.1 2000 6.5 6.9 6.4 6.9 9.5 14.3 15.1 15.6 14.1 11.4 7.7 7.6 10.2 2001 8.5 10.1 11.9 14.2 12.9 11.3 13.1 12.0 11.3 12.0 12.1 11.2 11.7 2002 10.8 11.2 10.4 11.4 15.2 15.8 16.8 18.5 15.3 11.6 ****** 9.4 ****** 2003 7.8 7.9 7.4 11.2 13.8 16.0 16.2 13.6 12.8 10.3 9.2 8.2 11.2 MEAN 9.2 9.5 9.9 10.5 12.0 13.3 13.8 13.3 13.3 11.4 10.3 9.5 11.3 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 5 STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1983 3.10 3.22 3.61 5.43 5.65 5.96 7.13 7.31 6.30 4.68 3.09 3.31 4.90 1984 3.05 2.95 4.41 4.13 5.34 6.39 6.48 6.40 5.01 4.15 4.44 2.80 4.63 1985 4.14 3.90 3.86 4.80 5.06 ****** ****** 6.63 ****** 4.39 ****** ****** ****** 1986 ****** ****** ****** ****** ****** ****** 7.71 6.90 5.48 5.27 4.04 3.57 ****** 1987 3.03 3.46 3.90 5.17 6.00 6.14 7.32 6.21 5.54 5.37 3.48 3.40 4.92 1988 2.81 3.15 3.55 5.09 4.71 5.02 6.97 ****** 5.27 5.05 3.51 3.15 ****** 1989 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1990 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1991 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1992 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1993 2.78 3.06 3.77 5.75 ****** 6.54 7.72 8.64 6.82 4.78 3.85 3.34 ****** 1994 3.04 2.68 3.64 3.50 4.76 5.49 6.30 7.28 3.85 5.28 4.90 3.81 4.54 1995 3.75 3.77 3.77 5.12 4.65 5.59 6.25 4.96 4.96 5.15 4.79 3.85 4.72 1996 ****** ****** 4.64 5.44 5.69 6.19 5.63 ****** 7.09 ****** 5.00 4.64 ****** 1997 4.04 3.78 4.36 4.87 5.64 6.29 4.77 4.24 5.60 6.79 5.83 4.85 5.09 1998 3.49 3.90 5.71 8.42 7.06 4.41 6.10 6.82 6.76 4.60 4.28 4.13 5.47 1999 4.25 3.86 4.58 4.63 4.40 3.89 4.01 4.02 4.89 3.63 2.22 1.93 3.86 2000 2.01 2.29 3.73 4.23 4.63 4.66 4.75 4.52 4.53 4.38 4.71 4.75 4.10 2001 4.00 3.64 4.65 4.60 4.65 4.65 5.52 5.18 4.32 4.10 3.19 4.69 4.43 2002 4.24 4.29 4.69 5.19 4.38 4.64 5.30 5.39 4.60 4.12 ****** 3.79 ****** 2003 3.37 3.29 3.96 4.07 4.15 4.31 4.75 4.57 4.48 4.22 4.89 4.54 4.22 MEAN 3.41 3.42 4.18 5.03 5.12 5.35 6.05 5.94 5.35 4.75 4.15 3.79 4.71 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 6 STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1983 3.85 4.09 3.87 5.15 5.81 4.48 6.73 6.54 6.13 4.32 4.23 4.08 4.94 1984 3.16 3.03 4.71 3.63 5.24 5.33 5.49 5.86 4.78 3.32 3.19 2.91 4.22 1985 3.57 3.60 3.72 4.12 4.32 ****** ****** 5.72 ****** 4.54 ****** ****** ****** 1986 ****** ****** ****** ****** ****** ****** 7.16 6.19 5.70 5.03 4.16 3.64 ****** 1987 3.93 4.21 3.91 4.46 5.75 6.50 6.69 5.82 5.70 4.98 4.35 3.83 5.01 1988 3.61 3.50 4.13 5.09 5.55 6.35 7.61 ****** 6.48 5.35 3.64 3.44 ****** 1989 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1990 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1991 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1992 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1993 3.77 4.79 4.00 4.27 ****** 3.65 6.84 8.34 5.37 4.59 4.79 4.34 ****** 1994 3.78 3.46 3.83 3.70 4.40 4.20 6.55 6.86 3.82 5.46 4.73 3.62 4.53 1995 3.63 3.89 3.94 5.25 5.14 6.23 9.15 7.45 6.23 5.31 5.61 4.54 5.53 1996 ****** ****** 5.71 5.70 6.72 8.51 6.80 ****** 6.57 ****** 5.98 6.70 ****** 1997 4.90 4.33 5.74 5.05 6.13 6.48 3.84 4.58 6.25 8.06 7.42 3.75 5.54 1998 4.97 4.47 4.89 5.58 5.35 5.78 7.56 8.21 6.17 4.66 4.59 4.81 5.59 1999 4.86 4.53 4.47 4.50 5.53 5.50 5.58 5.63 5.22 4.28 2.45 1.67 4.52 2000 2.13 3.02 4.53 4.44 4.62 5.50 5.53 5.48 5.23 4.46 4.73 4.71 4.53 2001 4.25 3.78 4.66 4.60 4.90 5.29 5.40 5.90 5.46 4.63 3.85 5.03 4.81 2002 4.59 4.86 4.78 5.29 5.02 5.79 6.14 5.69 5.87 4.35 ****** 4.07 ****** 2003 3.06 3.00 4.43 4.11 4.56 4.89 5.39 4.90 4.78 4.80 5.62 4.78 4.53 MEAN 3.88 3.91 4.46 4.69 5.27 5.64 6.41 6.22 5.61 4.89 4.63 4.13 4.97 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 7 STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1983 3.53 3.66 3.58 4.88 5.53 4.70 6.27 6.19 5.46 4.08 3.45 3.57 4.58 1984 3.13 3.17 4.56 3.91 4.79 5.41 5.41 5.61 4.53 3.56 3.67 3.17 4.24 1985 3.60 3.51 3.46 4.02 4.34 ****** ****** 5.39 ****** 4.45 ****** ****** ****** 1986 ****** ****** ****** ****** ****** ****** 6.66 5.86 4.99 4.57 3.72 3.45 ****** 1987 3.52 3.77 3.59 4.00 5.40 5.93 6.68 6.05 5.16 4.66 3.84 3.47 4.67 1988 3.47 3.23 3.73 4.07 5.03 5.63 6.66 ****** 5.44 4.75 3.23 3.04 ****** 1989 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1990 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1991 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1992 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1993 2.96 3.90 4.02 4.58 ****** 4.99 6.78 7.56 5.04 4.69 4.44 3.67 ****** 1994 3.48 3.34 3.49 4.47 4.68 4.28 6.41 5.97 3.39 5.40 4.92 3.70 4.46 1995 3.60 3.73 3.76 5.15 4.62 5.77 7.37 6.36 5.46 4.84 4.93 4.29 4.99 1996 ****** ****** 5.16 5.15 5.85 6.89 5.78 ****** 6.99 ****** 5.38 5.28 ****** 1997 4.39 4.14 5.16 4.89 5.62 5.92 3.98 4.82 5.87 7.32 6.26 3.95 5.19 1998 4.54 4.88 6.14 9.91 7.85 4.55 6.56 6.54 6.01 4.31 3.84 4.19 5.78 1999 4.44 4.03 3.93 3.72 4.27 4.30 4.48 4.43 4.80 3.91 2.34 0.97 3.80 2000 1.83 2.97 4.52 4.54 4.29 4.40 4.59 4.22 4.46 4.28 4.57 4.61 4.11 2001 4.21 3.80 4.57 4.52 4.74 4.78 4.31 5.05 5.14 4.67 3.47 4.80 4.50 2002 4.41 4.85 4.56 5.13 4.38 4.53 5.29 5.63 5.41 3.79 ****** 4.50 ****** 2003 3.56 3.43 4.22 4.16 3.64 4.08 4.04 3.85 4.41 4.78 5.28 4.64 4.17 MEAN 3.65 3.77 4.28 4.82 5.01 5.08 5.71 5.57 5.16 4.63 4.23 3.84 4.64 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 8 STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 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 1983 -18.0 28 -11.0 23 -7.0 1 -3.0 1 5.0 1 15.0 2 16.0 1 11.0 29 7.0 28 2.0 29 -3.5 19 -11.0 22 -18.0 1984 -13.5 31 -14.0 1 -5.0 1 1.5 1 3.5 2 10.0 2 14.0 4 16.5 15 8.5 18 -1.5 21 -6.5 30 -13.5 5 -14.0 1985 -6.5 1 -5.0 9 -9.5 7 0.0 8 6.0 3 ***** ** ***** ** 11.0 30 ***** ** 1.0 15 ***** ** ***** ** ***** 1986 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** 13.0 23 9.0 12 9.5 16 4.0 27 -3.5 14 -10.5 13 ***** 1987 -7.0 29 -6.0 1 -3.5 18 -0.5 1 7.5 6 10.0 1 10.0 28 12.5 19 7.0 27 -2.0 12 -6.0 30 -9.0 2 -9.0 1988 -13.0 3 -11.0 7 -6.5 15 -2.5 2 6.5 4 9.5 3 12.0 27 ***** ** 6.5 30 4.5 30 -5.5 26 -12.5 28 ***** 1989 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1990 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1991 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1992 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1993 -11.0 21 -9.0 6 -5.0 14 2.0 23 ***** ** 10.0 2 15.0 4 13.0 24 10.0 24 1.0 7 -6.5 28 -4.5 6 ***** 1994 -9.0 28 -9.0 12 -0.5 1 1.0 5 5.0 2 10.5 4 15.0 1 17.0 23 6.0 23 6.5 25 -0.5 27 -10.0 8 -10.0 1995 -3.0 24 -5.0 25 -1.5 1 4.0 26 6.5 15 8.0 1 15.0 2 16.0 10 14.0 2 1.5 17 1.5 29 -5.5 24 -5.5 1996 ***** ** ***** ** -6.5 15 2.5 9 10.5 3 16.0 2 13.0 4 ***** ** 12.0 12 ***** ** -2.0 22 -3.0 11 ***** 1997 -8.0 29 -9.0 3 -5.0 13 -2.5 12 4.0 5 15.0 22 17.0 1 15.5 30 9.5 18 6.5 25 -3.0 29 -4.5 30 -9.0 1998 -10.0 14 -10.5 17 -3.5 1 2.5 25 12.0 14 13.0 13 20.5 1 19.5 28 15.5 29 4.0 10 2.0 25 4.5 7 -10.5 1999 -1.5 21 -1.5 6 0.0 3 2.0 1 10.5 3 11.5 22 11.5 1 11.5 1 8.0 29 -5.0 24 -9.5 23 -10.5 18 -10.5 2000 -9.5 11 -7.5 17 -3.0 9 -1.0 8 0.5 2 5.5 3 10.5 6 11.5 5 9.5 30 5.0 7 -3.5 18 -3.0 7 -9.5 2001 -13.0 29 -12.0 10 -6.0 11 1.5 6 6.0 1 15.5 21 14.0 29 14.5 16 9.0 21 7.5 29 -3.0 22 -3.0 2 -13.0 2002 -6.0 22 -6.0 4 -5.0 10 -4.0 4 4.0 4 10.5 1 10.5 7 11.5 8 12.0 26 7.0 25 ***** ** -1.5 18 ***** 2003 -5.5 19 -5.5 19 -1.0 5 0.5 19 1.5 2 10.5 9 14.5 1 15.0 21 9.0 28 9.5 26 -3.0 30 -4.5 30 -5.5 LOW. -18.0 28 -14.0 1 -9.5 7 -4.0 4 0.5 2 5.5 3 10.0 28 9.0 12 6.0 23 -5.0 24 -9.5 23 -13.5 5 -18.0 YEAR 1983 1984 1985 2002 2000 2000 1987 1986 1994 1999 1999 1984 1983 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 9 STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 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 1983 9.5 2 9.0 20 15.0 27 20.0 17 27.5 25 33.5 28 35.5 24 35.5 6 33.5 3 25.5 3 20.5 1 14.5 1 35.5 1984 12.0 6 15.0 12 14.5 31 21.0 11 26.5 26 33.5 26 33.0 2 33.0 15 30.0 5 25.0 5 16.0 5 12.0 3 33.5 1985 12.5 15 13.0 14 17.0 20 21.0 19 30.0 31 ***** ** ***** ** 34.5 3 ***** ** 26.0 1 ***** ** ***** ** ***** 1986 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** 32.5 30 31.0 1 30.0 5 26.5 8 17.0 2 10.0 28 ***** 1987 16.0 19 17.5 7 17.5 9 22.5 30 27.5 2 32.5 20 33.0 11 31.5 16 29.5 3 25.5 2 18.5 7 14.5 18 33.0 1988 11.5 28 12.0 23 17.5 31 22.5 20 28.5 24 32.5 17 35.5 5 ***** ** 33.5 11 26.0 2 18.5 4 15.0 2 ***** 1989 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1990 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1991 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1992 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1993 8.5 27 13.5 28 14.0 29 23.5 24 ***** ** 34.0 29 37.0 10 32.5 21 30.5 6 20.0 4 18.5 1 15.0 16 ***** 1994 16.0 3 13.5 28 19.0 31 26.0 20 27.5 29 34.0 21 35.5 19 35.5 4 30.0 1 21.0 9 17.2 4 12.0 28 35.5 1995 11.5 1 12.0 5 17.5 31 21.5 3 26.0 6 32.5 30 35.0 11 32.5 21 29.0 12 24.5 4 17.5 1 9.5 30 35.0 1996 ***** ** ***** ** 18.5 24 24.0 29 32.5 31 34.5 18 32.5 7 ***** ** 32.5 2 ***** ** 15.5 4 13.0 7 ***** 1997 11.5 3 15.0 22 14.5 3 24.5 29 26.0 21 30.0 9 36.0 18 35.5 14 31.5 1 25.5 4 14.5 4 13.0 8 36.0 1998 8.0 26 15.0 7 18.0 29 24.0 21 28.5 12 30.0 23 37.5 7 35.5 3 33.5 3 27.4 6 19.5 19 17.5 8 37.5 1999 15.0 5 10.0 1 16.0 26 20.0 30 26.5 16 27.0 7 27.0 14 27.0 14 25.5 3 19.0 1 8.0 1 1.5 9 27.0 2000 2.5 4 5.0 27 8.5 30 10.0 30 16.5 31 32.0 29 29.5 9 30.0 2 29.5 1 25.0 11 18.5 1 12.5 2 32.0 2001 11.5 3 12.0 27 14.0 10 25.0 30 27.5 23 33.5 29 36.5 10 33.0 25 30.5 1 26.5 1 22.5 4 14.0 30 36.5 2002 15.5 3 9.5 11 12.0 30 17.0 29 29.5 20 30.5 13 33.5 27 35.5 3 32.5 1 26.5 3 ***** ** 20.5 4 ***** 2003 12.6 12 12.6 12 11.0 4 25.0 10 25.5 23 34.5 27 37.0 23 33.5 1 31.0 5 29.5 27 20.5 4 10.5 3 37.0 HIG. 16.0 19 17.5 7 19.0 31 26.0 20 32.5 31 34.5 18 37.5 7 35.5 6 33.5 3 29.5 27 22.5 4 20.5 4 37.5 YEAR 1987 1987 1994 1994 1996 1996 1998 1983 1983 2003 2001 2002 1998 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 10 STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 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 1983 10.5 16 0.0 ** 10.0 6 33.0 1 8.2 1 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 11.8 18 33.0 1984 21.0 17 6.5 25 42.0 27 12.0 18 8.0 5 0.0 ** 0.0 ** 0.0 ** 0.0 ** 1.0 8 17.5 16 2.0 29 42.0 1985 19.0 2 2.0 1 7.0 4 6.0 8 0.0 ** ***** ** ***** ** 0.0 ** ***** ** 0.0 ** ***** ** ***** ** ***** 1986 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** 0.0 ** 6.0 25 0.0 ** 2.0 18 44.0 30 24.0 20 ***** 1987 0.0 ** 25.0 10 18.0 4 8.0 5 45.0 31 0.0 ** 6.0 30 3.0 7 0.0 ** 1.0 23 3.0 3 10.0 21 45.0 1988 13.0 13 23.0 3 23.0 9 10.0 26 0.0 ** 0.0 ** 7.0 27 ***** ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** ***** 1989 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1990 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1991 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1992 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1993 50.4 16 43.0 4 15.0 17 8.0 27 ***** ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 1.5 27 0.0 ** ***** 1994 7.0 18 2.5 18 31.0 13 2.0 8 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 17.0 28 0.0 ** 31.0 1995 0.0 ** 0.0 ** 26.0 21 19.0 23 32.0 29 7.0 3 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 17.0 10 32.0 1996 ***** ** ***** ** 51.0 5 0.0 ** 0.0 ** 0.0 ** 0.0 ** ***** ** 0.0 ** ***** ** 0.0 ** 0.0 ** ***** 1997 0.0 ** 0.0 ** 19.0 29 10.0 5 0.5 19 0.0 ** 0.0 ** 0.0 ** 0.0 ** 4.5 24 6.0 28 16.0 23 19.0 1998 33.0 5 35.0 10 43.0 23 9.0 28 2.5 6 0.0 ** 4.5 22 0.0 ** 0.0 ** 10.0 10 10.0 12 2.5 30 43.0 1999 20.0 25 4.5 2 52.0 2 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 27.0 26 4.0 11 52.0 2000 42.0 30 15.0 25 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 7.0 5 3.0 17 22.0 2 42.0 2001 22.0 27 19.0 11 15.0 11 2.0 2 8.0 4 0.0 ** 0.5 20 0.0 ** 0.0 ** 0.0 ** 2.0 29 20.0 5 22.0 2002 35.0 8 13.0 20 17.0 21 40.0 3 9.0 2 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** ***** ** 12.5 7 ***** 2003 15.0 28 15.0 28 36.0 26 11.0 22 5.0 9 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 3.0 30 15.0 23 36.0 HIG. 50.4 16 43.0 4 52.0 2 40.0 3 45.0 31 7.0 3 7.0 27 6.0 25 0.0 ** 10.0 10 44.0 30 24.0 20 52.0 YEAR 1993 1993 1999 2002 1987 1995 1988 1986 **** 1998 1986 1986 1999 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 11 STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 MET. MONTHLY TOTAL PRECIPITATION WITH SEASONAL PERCENT. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL SEASONAL-PERCENT ----------------------- 1983 45.0 0.0 27.0 39.5 12.2 0.0 0.0 0.0 0.0 0.0 0.0 14.8 138.5 52.0 37.3 0.0 10.7 1984 44.0 10.0 94.0 19.0 8.0 0.0 0.0 0.0 0.0 1.0 24.5 2.0 202.5 73.1 13.3 0.0 13.6 1985 19.0 2.0 15.0 6.0 0.0 ****** ****** 0.0 ****** 0.0 ****** ****** ****** 85.7 14.3 0.0 0.0 1986 ****** ****** ****** ****** ****** ****** 0.0 6.0 0.0 4.0 70.0 45.0 ****** ***** ***** 4.8 95.2 1987 0.0 34.0 29.0 11.0 57.0 0.0 6.0 3.0 0.0 2.0 3.0 26.0 171.0 36.8 39.8 5.3 18.1 1988 23.0 41.0 59.0 10.0 0.0 0.0 7.0 ****** 0.0 0.0 0.0 0.0 ****** 87.9 7.1 5.0 0.0 1989 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1990 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1991 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1992 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1993 80.9 71.0 58.5 15.5 ****** 0.0 0.0 0.0 0.0 0.0 1.5 0.0 ****** 92.5 6.8 0.0 0.7 1994 15.5 2.5 47.0 6.0 0.0 0.0 0.0 0.0 0.0 0.0 36.0 0.0 107.0 60.7 5.6 0.0 33.6 1995 0.0 0.0 37.0 42.0 122.0 7.0 0.0 0.0 0.0 0.0 0.0 58.0 266.0 13.9 64.3 0.0 21.8 1996 ****** ****** 77.0 0.0 0.0 0.0 0.0 ****** 0.0 ****** 0.0 0.0 ****** 100.0 0.0 0.0 0.0 1997 0.0 0.0 48.5 25.5 0.5 0.0 0.0 0.0 0.0 4.5 15.0 19.0 113.0 42.9 23.0 0.0 34.1 1998 39.5 96.0 88.0 9.0 2.5 0.0 8.5 0.0 0.0 10.0 11.5 5.0 270.0 82.8 4.3 3.1 9.8 1999 79.0 10.0 126.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 53.0 6.0 274.0 78.5 0.0 0.0 21.5 2000 42.0 33.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 9.0 13.8 31.5 129.8 58.2 0.0 0.0 41.8 2001 24.4 26.0 31.0 2.0 16.0 0.0 0.5 0.0 0.0 0.0 2.0 42.0 143.9 56.6 12.5 0.3 30.6 2002 80.5 13.0 37.0 79.0 14.0 0.0 0.0 0.0 0.0 0.0 ****** 22.0 ****** 53.2 37.9 0.0 9.0 2003 27.5 52.0 65.0 31.5 10.0 0.0 0.0 0.0 0.0 0.0 3.0 20.0 209.0 69.1 19.9 0.0 11.0 MEAN 34.7 26.1 52.4 18.5 16.1 0.5 1.4 0.6 0.0 1.9 15.6 18.2 186.0 60.9 18.9 1.0 19.2 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 12 STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 MET. NO. OF DAYS WITH PRECIPITATION YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1983 7 0 4 5 3 0 0 0 0 0 0 3 22 1984 5 2 6 3 1 0 0 0 0 1 2 1 21 1985 1 1 4 1 0 *** *** 0 *** 0 *** *** *** 1986 *** *** *** *** *** *** 0 1 0 2 5 6 *** 1987 0 3 2 2 3 0 1 1 0 2 1 4 19 1988 4 3 4 1 0 0 1 *** 0 0 0 0 *** 1989 *** *** *** *** *** *** *** *** *** *** *** *** *** 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** 1992 *** *** *** *** *** *** *** *** *** *** *** *** *** 1993 9 5 6 3 *** 0 0 0 0 0 1 0 *** 1994 3 1 3 3 0 0 0 0 0 0 7 0 17 1995 0 0 6 5 8 1 0 0 0 0 0 8 28 1996 *** *** 5 0 0 0 0 *** 0 *** 0 0 *** 1997 0 0 4 5 1 0 0 0 0 1 3 2 16 1998 3 5 4 1 1 0 4 0 0 1 2 3 24 1999 8 3 7 0 0 0 0 0 0 0 4 2 24 2000 1 4 0 0 0 0 0 0 0 3 6 4 18 2001 5 3 3 1 2 0 1 0 0 0 1 7 23 2002 4 1 4 4 2 0 0 0 0 0 *** 4 *** 2003 3 6 3 4 5 0 0 0 0 0 1 2 24 MEAN 4 2 4 2 2 0 0 0 0 1 2 3 20 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 13 STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 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 1983 7 0 4 5 3 0 0 0 0 0 0 3 22 1984 5 2 6 3 1 0 0 0 0 1 2 1 21 1985 1 1 4 1 0 *** *** 0 *** 0 *** *** *** 1986 *** *** *** *** *** *** 0 1 0 2 5 6 *** 1987 0 3 2 2 3 0 1 1 0 2 1 4 19 1988 4 3 4 1 0 0 1 *** 0 0 0 0 *** 1989 *** *** *** *** *** *** *** *** *** *** *** *** *** 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** 1992 *** *** *** *** *** *** *** *** *** *** *** *** *** 1993 9 5 6 3 *** 0 0 0 0 0 1 0 *** 1994 3 1 3 3 0 0 0 0 0 0 4 0 14 1995 0 0 5 5 8 1 0 0 0 0 0 8 27 1996 *** *** 5 0 0 0 0 *** 0 *** 0 0 *** 1997 0 0 4 5 0 0 0 0 0 1 3 2 15 1998 3 5 4 1 1 0 3 0 0 1 2 3 23 1999 8 3 7 0 0 0 0 0 0 0 4 2 24 2000 1 4 0 0 0 0 0 0 0 3 6 4 18 2001 1 3 3 1 2 0 0 0 0 0 1 7 18 2002 4 1 4 4 2 0 0 0 0 0 *** 4 *** 2003 3 6 3 4 5 0 0 0 0 0 1 2 24 MEAN 3 2 4 2 2 0 0 0 0 1 2 3 19 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 14 STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 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 1983 1 0 1 1 0 0 0 0 0 0 0 1 4 1984 2 0 4 1 0 0 0 0 0 0 1 0 8 1985 1 0 0 0 0 *** *** 0 *** 0 *** *** *** 1986 *** *** *** *** *** *** 0 0 0 0 2 1 *** 1987 0 1 2 0 1 0 0 0 0 0 0 1 5 1988 1 2 3 1 0 0 0 *** 0 0 0 0 *** 1989 *** *** *** *** *** *** *** *** *** *** *** *** *** 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** 1992 *** *** *** *** *** *** *** *** *** *** *** *** *** 1993 1 2 2 0 *** 0 0 0 0 0 0 0 *** 1994 0 0 2 0 0 0 0 0 0 0 1 0 3 1995 0 0 1 1 4 0 0 0 0 0 0 2 8 1996 *** *** 2 0 0 0 0 *** 0 *** 0 0 *** 1997 0 0 3 1 0 0 0 0 0 0 0 1 5 1998 1 4 3 0 0 0 0 0 0 1 1 0 10 1999 5 0 4 0 0 0 0 0 0 0 2 0 11 2000 1 2 0 0 0 0 0 0 0 0 0 1 4 2001 1 1 1 0 0 0 0 0 0 0 0 1 4 2002 2 1 2 2 0 0 0 0 0 0 *** 1 *** 2003 1 2 3 1 0 0 0 0 0 0 0 1 8 MEAN 1 1 2 1 0 0 0 0 0 0 0 1 6 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 15 STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1983 84 84 79 67 46 33 36 43 51 53 62 74 59 1984 81 77 73 43 46 40 35 30 37 48 68 82 55 1985 72 68 67 52 46 *** *** 46 *** 48 *** *** *** 1986 *** *** *** *** *** *** 42 48 40 52 66 76 *** 1987 65 71 72 61 45 39 41 39 47 65 62 70 56 1988 74 71 60 47 45 39 44 *** 51 56 63 76 *** 1989 *** *** *** *** *** *** *** *** *** *** *** *** *** 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** 1992 *** *** *** *** *** *** *** *** *** *** *** *** *** 1993 73 72 74 68 *** 35 36 39 37 47 55 58 *** 1994 63 61 56 36 38 33 30 31 33 53 61 68 47 1995 65 68 57 49 38 35 25 21 27 56 66 80 49 1996 *** *** 71 49 41 26 33 *** 38 *** 70 79 *** 1997 78 68 74 54 41 31 20 18 36 53 82 83 53 1998 78 81 76 77 42 24 22 29 31 35 45 45 49 1999 64 66 70 48 29 25 26 26 36 57 60 64 48 2000 63 58 75 77 64 29 23 23 25 36 70 76 52 2001 70 70 74 55 30 22 25 27 29 28 33 75 45 2002 66 75 76 62 29 23 23 22 23 35 *** 61 *** 2003 69 66 64 43 36 23 20 21 26 30 60 71 44 MEAN 71 70 70 56 41 30 30 31 35 47 62 71 51 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 16 STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1983 69 59 46 42 27 14 18 19 22 25 33 54 36 1984 51 51 49 26 26 18 19 19 20 22 29 52 32 1985 44 45 41 27 22 *** *** 22 *** 28 *** *** *** 1986 *** *** *** *** *** *** 23 24 22 27 44 53 *** 1987 37 40 44 34 28 22 21 21 23 35 37 44 32 1988 49 51 42 32 25 21 24 *** 23 26 34 41 *** 1989 *** *** *** *** *** *** *** *** *** *** *** *** *** 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** 1992 *** *** *** *** *** *** *** *** *** *** *** *** *** 1993 69 65 47 30 *** 13 22 27 19 31 40 42 *** 1994 45 42 31 21 20 13 18 20 19 40 41 48 30 1995 44 50 38 35 30 22 24 23 24 36 52 66 37 1996 *** *** 60 35 36 22 22 *** 22 *** 55 71 *** 1997 62 53 63 37 32 24 10 14 25 47 77 47 41 1998 78 62 52 42 25 25 19 21 20 27 34 41 37 1999 54 62 48 32 27 25 25 25 24 55 53 41 39 2000 51 57 68 59 45 24 20 20 21 28 62 70 44 2001 68 65 71 51 29 20 16 19 22 25 35 72 41 2002 64 79 69 55 24 20 21 18 20 21 *** 44 *** 2003 47 46 51 27 24 17 14 16 19 27 58 64 34 MEAN 55 55 51 37 28 20 20 21 22 31 46 53 37 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 17 STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1983 75 67 53 48 33 19 21 22 26 30 37 61 41 1984 62 62 58 34 30 22 21 20 24 31 41 68 39 1985 53 49 47 32 26 *** *** 24 *** 33 *** *** *** 1986 *** *** *** *** *** *** 25 26 25 32 48 60 *** 1987 44 47 48 36 33 24 25 25 25 38 40 49 36 1988 56 55 46 34 28 22 26 *** 23 29 35 45 *** 1989 *** *** *** *** *** *** *** *** *** *** *** *** *** 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** 1992 *** *** *** *** *** *** *** *** *** *** *** *** *** 1993 66 64 56 39 *** 20 24 28 20 38 47 50 *** 1994 54 52 39 35 28 17 21 20 21 50 50 56 37 1995 52 55 43 42 34 26 23 22 27 39 54 74 41 1996 *** *** 66 37 35 21 23 *** 27 *** 62 73 *** 1997 68 62 71 44 36 24 12 17 28 50 77 58 46 1998 84 79 76 81 42 22 19 20 22 31 34 41 46 1999 58 61 48 30 24 23 22 22 28 58 56 26 38 2000 49 66 77 71 49 23 19 17 21 30 64 71 46 2001 69 70 72 52 29 20 14 17 24 29 34 72 42 2002 65 82 72 58 24 18 20 21 24 22 *** 58 *** 2003 63 59 56 33 22 17 12 14 21 30 61 68 38 MEAN 61 62 58 44 32 21 20 21 24 36 49 58 41 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 18 STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 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 1983 21 15 9 0 0 0 0 0 0 0 0 14 59 1984 17 19 2 0 0 0 0 0 0 0 1 27 66 1985 5 2 12 0 0 *** *** 0 *** 0 *** *** *** 1986 *** *** *** *** *** *** 0 0 0 0 0 14 *** 1987 14 9 0 0 0 0 0 0 0 0 3 13 39 1988 24 16 5 0 0 0 0 *** 0 0 5 18 *** 1989 *** *** *** *** *** *** *** *** *** *** *** *** *** 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** 1992 *** *** *** *** *** *** *** *** *** *** *** *** *** 1993 18 10 6 0 *** 0 0 0 0 0 2 2 *** 1994 12 9 0 0 0 0 0 0 0 0 0 5 26 1995 0 2 0 0 0 0 0 0 0 0 0 8 10 1996 *** *** 7 0 0 0 0 *** 0 *** 0 0 *** 1997 14 7 1 0 0 0 0 0 0 0 0 1 23 1998 12 5 0 0 0 0 0 0 0 0 0 0 17 1999 0 0 0 0 0 0 0 0 0 4 23 31 58 2000 31 19 0 0 0 0 0 0 0 0 0 0 50 2001 8 13 1 0 0 0 0 0 0 0 0 0 22 2002 8 15 5 1 0 0 0 0 0 0 *** 0 *** 2003 6 6 0 0 0 0 0 0 0 0 0 4 16 MEAN 13 10 3 0 0 0 0 0 0 0 2 9 37 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 19 STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 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 1983 0 0 0 0 0 0 0 0 0 0 0 0 0 1984 0 0 0 0 0 0 0 0 0 0 0 0 0 1985 0 0 0 0 0 *** *** 0 *** 0 *** *** *** 1986 *** *** *** *** *** *** 0 0 0 0 0 0 *** 1987 0 0 0 0 0 0 0 0 0 0 0 0 0 1988 0 0 0 0 0 0 0 *** 0 0 0 0 *** 1989 *** *** *** *** *** *** *** *** *** *** *** *** *** 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** 1992 *** *** *** *** *** *** *** *** *** *** *** *** *** 1993 0 0 0 0 *** 5 1 0 0 0 0 0 *** 1994 0 0 0 0 0 0 10 12 0 0 0 0 22 1995 0 0 0 0 0 1 17 10 0 0 0 0 28 1996 *** *** 0 0 0 19 0 *** 5 *** 0 0 *** 1997 0 0 0 0 0 0 20 8 0 0 0 0 28 1998 0 0 0 0 0 1 30 26 12 0 0 0 69 1999 0 0 0 0 0 0 0 0 0 0 0 0 0 2000 0 0 0 0 0 0 0 0 0 0 0 0 0 2001 0 0 0 0 0 2 9 3 0 0 0 0 14 2002 0 0 0 0 0 0 0 0 0 0 *** 0 *** 2003 0 0 0 0 0 0 1 0 0 0 0 0 1 MEAN 0 0 0 0 0 2 6 4 1 0 0 0 13 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 20 STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 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 1983 9 1 0 1 0 0 0 0 0 0 0 5 16 1984 5 4 0 0 0 0 0 0 0 0 0 6 15 1985 0 0 0 0 0 *** *** 0 *** 0 *** *** *** 1986 *** *** *** *** *** *** 0 0 0 0 0 2 *** 1987 0 0 0 0 0 0 0 0 0 0 0 0 0 1988 1 0 0 0 0 0 0 *** 0 0 0 0 *** 1989 *** *** *** *** *** *** *** *** *** *** *** *** *** 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** 1992 *** *** *** *** *** *** *** *** *** *** *** *** *** 1993 9 1 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 *** 1997 0 0 0 0 0 0 0 0 0 0 0 0 0 1998 1 2 0 0 0 0 0 0 0 0 0 0 3 1999 0 0 0 0 0 0 0 0 0 2 19 29 50 2000 19 4 0 0 0 0 0 0 0 0 0 0 23 2001 0 0 0 0 0 0 0 0 0 0 0 0 0 2002 0 0 0 0 0 0 0 0 0 0 *** 0 *** 2003 1 1 0 0 0 0 0 0 0 0 0 0 2 MEAN 3 1 0 0 0 0 0 0 0 0 1 3 8 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 21 STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 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 1983 0 0 0 0 0 22 31 29 10 0 0 0 92 1984 0 0 0 0 0 21 10 17 1 0 0 0 49 1985 0 0 0 0 1 *** *** 6 *** 0 *** *** *** 1986 *** *** *** *** *** *** 27 5 1 0 0 0 *** 1987 0 0 0 0 0 22 26 10 0 0 0 0 58 1988 0 0 0 0 0 23 27 *** 15 0 0 0 *** 1989 *** *** *** *** *** *** *** *** *** *** *** *** *** 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** 1992 *** *** *** *** *** *** *** *** *** *** *** *** *** 1993 0 0 0 0 *** 18 17 15 4 0 0 0 *** 1994 0 0 0 0 0 19 30 31 1 0 0 0 81 1995 0 0 0 0 0 11 28 20 0 0 0 0 59 1996 *** *** 0 0 6 29 16 *** 18 *** 0 0 *** 1997 0 0 0 0 0 1 31 27 4 0 0 0 63 1998 0 0 0 0 0 1 28 31 16 0 0 0 76 1999 0 0 0 0 0 0 0 0 0 0 0 0 0 2000 0 0 0 0 0 4 0 1 0 0 0 0 5 2001 0 0 0 0 0 9 23 21 2 0 0 0 55 2002 0 0 0 0 0 6 17 31 9 0 *** 0 *** 2003 0 0 0 0 0 14 31 17 3 0 0 0 65 MEAN 0 0 0 0 0 13 21 17 5 0 0 0 56 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 22 STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 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 1983 0 0 0 0 0 0 0 0 0 0 0 0 0 1984 0 0 0 0 0 0 0 0 0 0 0 0 0 1985 0 0 0 0 0 *** *** 0 *** 0 *** *** *** 1986 *** *** *** *** *** *** 0 0 0 0 0 0 *** 1987 0 0 0 0 0 0 0 0 0 0 0 0 0 1988 0 0 0 0 0 0 0 *** 0 0 0 0 *** 1989 *** *** *** *** *** *** *** *** *** *** *** *** *** 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** 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 *** 1997 0 0 0 0 0 0 0 0 0 0 0 0 0 1998 0 0 0 0 0 0 0 0 0 0 0 0 0 1999 0 0 0 0 0 0 0 0 0 0 0 0 0 2000 0 0 0 0 0 0 0 0 0 0 0 0 0 2001 0 0 0 0 0 0 0 0 0 0 0 0 0 2002 0 0 0 0 0 0 0 0 0 0 *** 0 *** 2003 0 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 0 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 23 STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 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 1983 0 0 0 0 0 0 0 0 0 0 0 0 0 1984 0 0 0 0 0 0 0 0 0 0 0 0 0 1985 0 0 0 0 0 *** *** 0 *** 0 *** *** *** 1986 *** *** *** *** *** *** 0 0 0 0 0 0 *** 1987 0 0 0 0 0 0 0 0 0 0 0 0 0 1988 0 0 0 0 0 0 0 *** 0 0 0 0 *** 1989 *** *** *** *** *** *** *** *** *** *** *** *** *** 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** 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 *** 1997 0 0 0 0 0 0 0 0 0 0 0 0 0 1998 0 0 0 0 0 0 0 0 0 0 0 0 0 1999 0 0 0 0 0 0 0 0 0 0 0 0 0 2000 0 0 0 0 0 0 0 0 0 0 0 0 0 2001 0 0 0 0 0 0 0 0 0 0 0 0 0 2002 0 0 0 0 0 0 0 0 0 0 *** 0 *** 2003 0 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 0 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 24 STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 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 -------------- 1983 29 26 30 1 0 0 0 0 0 0 21 22 129 11 5 4 1 1984 31 29 11 0 0 0 0 0 0 5 12 31 119 10 21 3 18 1985 14 20 16 1 0 *** *** 0 *** 0 *** *** *** 1 1 4 8 1986 *** *** *** *** *** *** 0 0 0 0 12 21 *** 11 13 12 31 1987 26 24 22 1 0 0 0 0 0 2 15 23 113 10 11 4 1 1988 31 22 17 1 0 0 0 *** 0 0 15 29 *** 11 15 4 2 1989 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1992 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1993 23 18 16 0 *** 0 0 0 0 0 6 17 *** 11 15 3 27 1994 24 25 4 0 0 0 0 0 0 0 1 13 67 11 27 3 4 1995 17 17 6 0 0 0 0 0 0 0 0 25 65 12 4 3 8 1996 *** *** 15 0 0 0 0 *** 0 *** 1 23 *** 11 22 3 19 1997 20 18 16 2 0 0 0 0 0 0 6 17 79 11 24 4 13 1998 30 25 7 0 0 0 0 0 0 0 0 0 62 1 1 3 7 1999 6 9 1 0 0 0 0 0 0 12 29 31 88 10 19 3 3 2000 31 29 27 9 0 0 0 0 0 0 15 20 131 11 11 4 22 2001 18 20 15 0 0 0 0 0 0 0 5 12 70 11 21 3 29 2002 21 28 16 11 0 0 0 0 0 0 *** 9 *** 12 15 4 16 2003 19 16 6 0 0 0 0 0 0 0 4 24 69 11 26 3 27 MEAN 23 22 14 2 0 0 0 0 0 1 9 20 91 10 11 4 22 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 25 STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 MET. AVERAGE OF DRY BULB TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1983 -1.0 0.9 3.8 10.7 18.5 24.7 27.0 25.4 20.6 14.2 7.9 2.6 12.9 1984 0.1 0.3 6.5 12.9 17.6 23.8 24.7 26.3 20.2 12.8 8.5 -0.9 12.7 1985 4.8 5.1 5.8 13.6 17.3 ****** ****** 21.5 ****** 14.1 ****** ****** ****** 1986 ****** ****** ****** ****** ****** ****** 24.9 21.8 20.7 15.7 6.7 2.1 ****** 1987 5.9 6.3 5.7 11.7 18.5 23.4 25.2 22.9 19.7 12.3 8.3 4.7 13.7 1988 1.9 2.1 6.7 14.1 18.0 22.8 24.5 ****** 20.7 16.4 7.6 3.4 ****** 1989 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1990 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1991 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1992 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1993 -1.2 2.2 4.8 12.8 ****** 24.4 26.2 26.0 24.2 13.5 9.1 6.3 ****** 1994 3.9 3.2 9.0 14.7 18.3 24.3 27.5 27.5 17.7 12.7 10.1 4.1 14.4 1995 5.1 4.4 8.3 13.5 17.0 22.9 28.9 27.1 22.5 13.8 8.7 2.4 14.5 1996 ****** ****** 6.7 15.2 19.6 28.9 24.4 ****** 25.0 ****** 8.4 5.8 ****** 1997 3.5 4.2 5.7 12.5 18.2 24.4 29.0 27.3 21.6 17.0 7.3 4.8 14.6 1998 1.1 2.5 7.6 13.1 20.0 21.8 30.2 28.6 25.9 17.0 12.7 10.9 16.0 1999 6.5 4.2 7.2 13.2 19.2 20.1 20.6 20.5 19.0 5.1 -2.7 -4.7 10.7 2000 -4.0 -1.1 2.4 3.9 8.5 21.2 24.5 24.4 22.4 16.2 6.0 4.1 10.7 2001 2.6 1.2 3.8 8.7 18.1 24.5 27.5 26.0 21.7 18.3 12.8 4.4 14.1 2002 5.0 2.7 4.1 9.1 20.0 24.9 26.2 27.1 24.5 17.8 ****** 6.8 ****** 2003 2.9 3.1 6.0 14.1 17.1 24.6 29.4 26.0 23.0 17.9 8.9 4.6 14.8 MEAN 2.5 2.7 5.9 12.1 17.7 23.8 26.3 25.2 21.8 14.7 8.0 3.8 13.7 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 26 STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 MET. AVERAGE OF DEW POINT TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1983 -5.0 -4.3 -4.1 0.7 2.0 0.4 4.5 4.4 2.7 -1.6 -4.4 -4.2 -0.7 1984 -6.3 -6.5 -1.3 -3.5 0.6 2.2 2.4 2.9 -0.3 -4.3 -3.8 -6.9 -2.1 1985 -3.7 -4.2 -4.2 -1.7 -0.9 ****** ****** 2.7 ****** -1.2 ****** ****** ****** 1986 ****** ****** ****** ****** ****** ****** 5.5 3.6 1.4 0.2 -2.9 -4.6 ****** 1987 -4.7 -3.5 -3.5 -1.2 2.1 3.4 4.9 3.0 1.6 0.2 -3.4 -4.6 -0.5 1988 -5.6 -5.5 -3.7 -0.6 0.6 2.1 5.3 ****** 2.3 0.5 -4.9 -5.8 ****** 1989 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1990 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1991 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1992 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1993 -6.7 -3.8 -3.6 -1.2 ****** -1.2 5.2 7.3 1.7 -0.6 -1.8 -3.7 ****** 1994 -5.1 -6.2 -4.3 -3.4 -1.0 -1.2 3.7 4.0 -4.1 1.1 -0.4 -4.1 -1.8 1995 -4.1 -3.5 -3.7 0.7 -0.9 2.5 5.9 3.2 1.7 0.3 0.5 -2.1 0.0 1996 ****** ****** 0.4 1.4 2.7 5.1 2.8 ****** 4.6 ****** 1.4 1.4 ****** 1997 -1.7 -2.8 0.3 -0.2 2.1 3.3 -2.3 -1.0 2.5 5.4 3.7 -2.3 0.6 1998 -2.0 -1.8 1.6 6.3 4.2 0.0 4.6 5.4 3.6 -1.3 -2.2 -1.6 1.4 1999 -1.2 -2.4 -1.7 -1.9 -0.6 -1.3 -0.8 -0.8 0.3 -3.7 -10.7 -15.8 -3.4 2000 -12.3 -8.0 -2.0 -1.5 -1.1 -0.1 0.3 -0.3 -0.3 -1.6 -0.6 -0.6 -2.3 2001 -2.7 -4.1 -0.8 -0.9 -0.3 0.1 0.4 1.3 0.1 -1.3 -4.8 -0.2 -1.1 2002 -1.6 -0.8 -0.7 0.8 -0.8 0.3 1.9 1.9 1.2 -2.8 ****** -2.5 ****** 2003 -5.8 -6.2 -2.4 -2.8 -2.6 -1.3 -0.4 -1.2 -1.0 -1.0 1.0 -1.1 -2.1 MEAN -4.6 -4.2 -2.1 -0.6 0.4 1.0 2.7 2.4 1.1 -0.7 -2.2 -3.7 -0.9 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 27 STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 MET. AVERAGE OF MIXING RATIO IN G/KG YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1983 3.50 3.63 3.68 5.19 5.66 5.05 6.71 6.68 5.96 4.36 3.59 3.66 4.81 1984 3.11 3.05 4.56 3.89 5.13 5.71 5.79 5.96 4.78 3.68 3.77 2.96 4.37 1985 3.77 3.67 3.68 4.31 4.57 ****** ****** 5.91 ****** 4.46 ****** ****** ****** 1986 ****** ****** ****** ****** ****** ****** 7.17 6.31 5.39 4.96 3.98 3.55 ****** 1987 3.49 3.81 3.80 4.54 5.71 6.19 6.90 6.02 5.46 5.00 3.89 3.57 4.87 1988 3.30 3.30 3.80 4.75 5.10 5.66 7.08 ****** 5.73 5.05 3.46 3.21 ****** 1989 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1990 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1991 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1992 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1993 3.10 3.88 3.91 4.87 ****** 5.06 7.11 8.18 5.70 4.68 4.37 3.77 ****** 1994 3.44 3.16 3.64 3.89 4.61 4.66 6.42 6.70 3.69 5.38 4.85 3.71 4.51 1995 3.66 3.80 3.82 5.17 4.81 5.87 7.59 6.26 5.55 5.10 5.11 4.23 5.08 1996 ****** ****** 5.17 5.43 6.09 7.20 6.07 ****** 6.88 ****** 5.45 5.54 ****** 1997 4.44 4.08 5.09 4.94 5.80 6.23 4.19 4.55 5.91 7.39 6.50 4.18 5.28 1998 4.33 4.42 5.58 7.97 6.75 4.91 6.74 7.19 6.31 4.52 4.24 4.38 5.61 1999 4.52 4.14 4.33 4.28 4.74 4.56 4.69 4.69 4.97 3.94 2.34 1.66 4.07 2000 1.99 2.76 4.26 4.40 4.52 4.85 4.96 4.74 4.74 4.37 4.67 4.69 4.24 2001 4.15 3.74 4.63 4.57 4.76 4.91 5.08 5.37 4.97 4.46 3.50 4.84 4.58 2002 4.42 4.67 4.68 5.20 4.60 4.99 5.58 5.57 5.29 4.09 ****** 4.12 ****** 2003 3.33 3.24 4.21 4.11 4.11 4.43 4.73 4.44 4.55 4.60 5.26 4.66 4.31 MEAN 3.64 3.69 4.30 4.84 5.13 5.35 6.05 5.91 5.37 4.75 4.33 3.92 4.77 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 28 STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 MET. AVERAGE OF VAPOUR PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1983 4.36 4.53 4.62 6.52 7.16 6.42 8.53 8.48 7.55 5.50 4.52 4.58 6.06 1984 3.89 3.81 5.72 4.91 6.48 7.25 7.36 7.58 6.05 4.64 4.74 3.70 5.51 1985 4.72 4.60 4.62 5.44 5.78 ****** ****** 7.49 ****** 5.63 ****** ****** ****** 1986 ****** ****** ****** ****** ****** ****** 9.09 8.00 6.83 6.26 4.99 4.45 ****** 1987 4.39 4.79 4.77 5.72 7.22 7.85 8.75 7.64 6.92 6.30 4.89 4.47 6.14 1988 4.13 4.13 4.78 5.99 6.45 7.19 8.97 ****** 7.26 6.38 4.35 4.02 ****** 1989 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1990 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1991 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1992 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1993 3.87 4.85 4.90 6.12 ****** 6.42 9.02 10.37 7.24 5.91 5.49 4.73 ****** 1994 4.31 3.96 4.57 4.92 5.84 5.92 8.16 8.52 4.67 6.77 6.09 4.65 5.70 1995 4.59 4.76 4.80 6.52 6.07 7.44 9.64 7.96 7.04 6.43 6.42 5.28 6.41 1996 ****** ****** 6.48 6.85 7.69 9.15 7.70 ****** 8.73 ****** 6.84 6.93 ****** 1997 5.56 5.11 6.37 6.21 7.33 7.91 5.36 5.80 7.48 9.30 8.14 5.24 6.65 1998 5.41 5.52 6.99 9.99 8.53 6.23 8.59 9.14 8.02 5.72 5.34 5.51 7.08 1999 5.66 5.19 5.43 5.40 6.00 5.79 5.95 5.95 6.29 4.94 2.92 2.07 5.13 2000 2.48 3.45 5.32 5.51 5.67 6.16 6.31 6.03 6.02 5.53 5.85 5.86 5.35 2001 5.20 4.68 5.79 5.75 6.03 6.24 6.47 6.84 6.31 5.65 4.42 6.06 5.79 2002 5.53 5.83 5.85 6.53 5.83 6.35 7.10 7.09 6.73 5.18 ****** 5.17 ****** 2003 4.17 4.05 5.28 5.19 5.21 5.64 6.04 5.66 5.79 5.82 6.61 5.83 5.44 MEAN 4.55 4.62 5.39 6.10 6.49 6.80 7.69 7.50 6.81 6.00 5.44 4.91 6.02 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 29 STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 MET. AVERAGE OF SATURATION DEFICIT PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1983 1.62 2.26 3.78 7.24 14.78 25.77 28.15 25.34 18.16 11.42 6.97 3.24 12.39 1984 2.59 2.69 4.37 10.27 14.38 23.49 24.35 27.03 18.56 10.88 6.66 2.30 12.30 1985 4.09 4.38 5.25 10.53 14.73 ****** ****** 19.02 ****** 11.11 ****** ****** ****** 1986 ****** ****** ****** ****** ****** ****** 23.14 18.96 18.42 12.27 5.19 2.91 ****** 1987 5.48 5.40 4.68 8.54 14.65 22.08 24.21 21.06 17.21 8.61 6.81 4.52 11.94 1988 3.21 3.27 5.41 10.56 15.22 22.27 23.18 ****** 19.30 13.40 6.77 4.22 ****** 1989 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1990 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1991 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1992 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1993 1.65 2.60 4.12 9.24 ****** 25.24 25.60 23.76 23.58 9.80 6.62 5.12 ****** 1994 4.13 4.07 7.40 12.68 15.90 25.61 29.68 28.65 16.34 8.11 6.45 3.83 13.57 1995 4.31 3.76 6.48 9.29 13.86 21.52 30.69 28.27 20.65 10.25 4.99 2.08 13.01 1996 ****** ****** 3.79 10.84 16.27 31.46 23.88 ****** 23.76 ****** 4.39 2.49 ****** 1997 2.58 3.40 3.06 8.87 14.11 22.91 35.39 30.94 18.97 10.53 2.30 3.54 13.05 1998 1.34 2.06 3.81 5.36 15.15 20.29 35.04 30.73 25.68 14.29 9.58 7.64 14.25 1999 4.19 3.10 4.96 10.05 16.52 17.99 18.57 18.54 16.04 4.37 2.19 2.42 9.91 2000 2.12 2.26 1.98 2.63 5.69 19.92 24.61 24.87 21.39 13.35 3.79 2.37 10.41 2001 2.35 2.22 2.25 5.73 15.07 24.93 31.29 27.54 20.60 15.62 11.00 2.35 13.41 2002 3.61 1.58 2.34 5.17 18.18 25.53 27.14 29.01 24.41 15.74 ****** 5.13 ****** 2003 3.66 3.88 4.22 11.60 14.84 26.15 35.82 28.20 22.92 14.91 5.13 2.74 14.51 MEAN 3.13 3.13 4.24 8.66 14.62 23.68 27.55 25.46 20.37 11.54 5.92 3.55 12.66 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 30 STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 MET. AVERAGE OF RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1983 76 70 59 51 35 22 25 28 33 36 44 63 45 1984 65 63 60 34 34 27 25 23 27 34 46 67 42 1985 57 54 52 37 31 *** *** 31 *** 36 *** *** *** 1986 *** *** *** *** *** *** 30 32 29 37 53 63 *** 1987 49 53 54 43 35 28 29 28 32 46 46 54 41 1988 60 59 49 38 33 27 31 *** 32 37 44 54 *** 1989 *** *** *** *** *** *** *** *** *** *** *** *** *** 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** 1992 *** *** *** *** *** *** *** *** *** *** *** *** *** 1993 70 67 58 45 *** 22 27 31 25 39 47 50 *** 1994 54 52 42 31 29 21 23 24 24 48 50 57 38 1995 54 58 46 42 34 28 24 22 26 44 58 73 42 1996 *** *** 66 41 37 23 26 *** 29 *** 62 74 *** 1997 70 61 69 45 37 26 14 16 30 50 79 62 47 1998 80 74 68 66 37 24 20 24 24 31 37 42 44 1999 59 63 55 37 27 24 24 24 29 57 57 47 42 2000 54 60 74 69 53 25 21 20 22 31 65 72 47 2001 69 68 72 53 29 21 18 21 25 27 34 73 43 2002 65 79 72 58 26 20 21 20 22 26 *** 54 *** 2003 59 57 57 34 27 19 15 17 22 29 60 68 39 MEAN 63 63 60 45 34 24 23 24 27 38 52 61 43 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 31 STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 MET. AVERAGE OF MAXIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1983 85 83 79 67 46 33 36 43 51 53 62 75 59 1984 81 78 75 43 46 40 35 30 37 49 68 82 55 1985 72 69 68 52 46 *** *** 46 *** 48 *** *** *** 1986 *** *** *** *** *** *** 42 48 40 52 67 76 *** 1987 65 72 72 61 47 39 41 39 47 65 63 70 57 1988 76 72 63 48 45 39 44 *** 51 56 64 76 *** 1989 *** *** *** *** *** *** *** *** *** *** *** *** *** 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** 1992 *** *** *** *** *** *** *** *** *** *** *** *** *** 1993 79 77 75 70 *** 36 37 39 36 47 56 59 *** 1994 65 61 57 41 39 33 30 31 33 58 62 69 48 1995 67 70 60 51 43 35 28 24 30 56 67 81 51 1996 *** *** 73 50 44 28 34 *** 38 *** 72 81 *** 1997 80 70 78 57 44 31 20 19 37 57 84 84 55 1998 88 83 79 83 45 27 22 29 31 38 46 47 52 1999 68 72 70 48 31 29 28 29 36 65 70 69 51 2000 66 69 80 80 64 29 23 23 25 38 71 78 54 2001 76 73 76 56 31 23 25 27 30 31 37 79 47 2002 70 84 78 63 30 23 24 24 25 35 *** 65 *** 2003 74 72 68 45 36 23 20 21 28 35 64 75 47 MEAN 74 74 72 57 42 31 31 31 36 49 64 73 53 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 32 STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 MET. AVERAGE OF MINIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1983 67 58 45 41 27 14 18 19 22 25 33 54 35 1984 51 50 48 26 26 18 18 18 20 22 29 51 31 1985 44 43 40 27 21 *** *** 22 *** 28 *** *** *** 1986 *** *** *** *** *** *** 23 23 22 27 42 53 *** 1987 37 40 43 33 27 22 21 21 23 35 35 42 32 1988 49 50 41 30 24 20 22 *** 22 25 32 41 *** 1989 *** *** *** *** *** *** *** *** *** *** *** *** *** 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** 1992 *** *** *** *** *** *** *** *** *** *** *** *** *** 1993 61 58 42 26 *** 12 20 26 16 31 40 41 *** 1994 42 42 28 21 20 12 17 18 17 39 39 47 29 1995 42 48 35 35 26 22 21 19 23 35 50 65 35 1996 *** *** 58 34 32 19 20 *** 21 *** 53 67 *** 1997 60 53 60 35 31 22 10 13 24 43 73 46 39 1998 72 62 52 42 25 21 18 19 20 25 31 37 35 1999 50 55 46 28 22 20 21 21 24 47 42 24 33 2000 42 51 66 59 44 22 18 17 20 25 58 66 41 2001 61 62 68 50 28 19 14 17 21 24 32 67 39 2002 60 73 67 54 23 17 18 17 20 18 *** 43 *** 2003 45 44 47 26 21 16 11 14 17 23 55 60 32 MEAN 52 53 49 35 26 18 18 19 21 30 43 50 35 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 33 STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 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 1983 4 0 3 1 1 0 0 0 0 0 0 1 10 1984 2 1 5 2 1 0 0 0 0 0 2 0 13 1985 1 0 1 1 0 *** *** 0 *** 0 *** *** *** 1986 *** *** *** *** *** *** 0 1 0 0 4 3 *** 1987 0 2 2 1 3 0 1 0 0 0 0 3 12 1988 2 2 4 1 0 0 1 *** 0 0 0 0 *** 1989 *** *** *** *** *** *** *** *** *** *** *** *** *** 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** 1992 *** *** *** *** *** *** *** *** *** *** *** *** *** 1993 4 3 6 1 *** 0 0 0 0 0 0 0 *** 1994 2 0 3 0 0 0 0 0 0 0 3 0 8 1995 0 0 1 3 7 1 0 0 0 0 0 5 17 1996 *** *** 4 0 0 0 0 *** 0 *** 0 0 *** 1997 0 0 3 2 0 0 0 0 0 0 2 1 8 1998 1 4 3 1 0 0 0 0 0 1 1 0 11 1999 7 0 4 0 0 0 0 0 0 0 4 0 15 2000 1 3 0 0 0 0 0 0 0 1 0 2 7 2001 1 2 3 0 2 0 0 0 0 0 0 4 12 2002 3 1 2 3 2 0 0 0 0 0 *** 1 *** 2003 3 6 3 4 1 0 0 0 0 0 0 2 19 MEAN 2 2 3 1 1 0 0 0 0 0 1 1 11 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 34 STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 MET. HIGHEST AND LOWEST LIMITS FOR 21 YEARS DURING 1983-2003 ELE- JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MENT --------------------------------------------------------------------------------------------- NO. HIG. DRY 03 13.0 9.0 12.2 18.4 23.8 27.8 29.4 29.6 25.6 22.4 17.4 12.0 1 YEAR - DAY 2002- 4 1997-22 1996-25 1997-29 1996-31 1996-20 1998- 8 1997-15 1998-13 2000-19 2000- 1 2002- 1 LOW. DRY 03 -15.8 -10.2 -8.0 -2.0 2.2 10.2 13.8 11.0 7.0 -4.6 -7.2 -11.4 2 YEAR - DAY 1983-28 1983-23 1985- 3 1997-12 2000- 2 2000- 1 1988-28 1986-12 1988-30 1999-24 1999-16 1984- 5 HIG. WET 03 7.0 5.4 8.8 15.4 21.6 19.2 17.8 17.2 16.0 13.2 10.2 6.2 3 YEAR - DAY 2002- 4 1997-22 1998-28 1998-21 1998-12 1993-26 1993- 2 1993-15 1996-13 1995- 3 1994- 5 2002- 1 LOW. WET 03 -15.8 -10.2 -8.6 -4.4 0.2 5.2 6.2 6.2 2.2 -9.0 -8.6 -11.6 4 YEAR - DAY 1983-28 1983-23 1985- 3 1997-12 2003- 3 1988- 8 1999- 5 1999- 5 1994-22 1999-24 1999-23 1984- 5 HIG. DRY 09 15.8 16.8 17.8 25.6 31.8 34.2 36.2 34.6 32.0 26.6 19.0 18.2 5 YEAR - DAY 1994- 3 1987- 6 1994-31 1994-20 1996-31 1996-18 2003-23 1998-18 1983- 3 1998- 6 1983- 1 2002- 2 LOW. DRY 09 -9.6 -8.0 -3.4 -1.6 7.2 15.6 21.2 20.8 15.4 -2.0 -4.2 -4.6 6 YEAR - DAY 1984-31 1984- 1 1985- 3 1983- 1 2000- 2 2000- 2 1988-27 1986-30 1984-19 1999-25 1999-20 1999-13 HIG. WET 09 8.4 11.4 11.6 16.8 15.4 20.8 21.4 20.4 18.0 16.2 12.8 10.0 7 YEAR - DAY 1994- 3 1998- 7 1996-27 1988-20 1997-19 1996-28 1993-19 1998-17 1996-21 1997-28 1997- 4 1996- 7 LOW. WET 09 -10.2 -8.6 -4.2 -2.6 3.2 6.4 10.2 10.0 6.8 -5.6 -7.4 -8.4 8 YEAR - DAY 1984-31 1984- 1 1985- 3 1983- 1 2000- 1 1993- 5 1999- 3 1986-31 1994-21 1999-25 1999-20 1999- 4 HIG. DRY 15 13.2 12.0 16.6 22.2 29.8 31.8 34.0 32.4 29.4 25.6 18.4 14.0 9 YEAR - DAY 2002- 3 1998- 7 1984-12 1994-30 1996-31 1996-24 1998-16 1998-17 1996-21 1998- 6 2001- 4 2002- 1 LOW. DRY 15 -12.2 -9.2 -4.2 -2.6 4.2 13.4 15.0 18.0 13.4 -4.2 -5.6 -5.4 10 YEAR - DAY 1983-27 1984- 1 1985- 3 1983- 1 2000- 1 2000- 2 1988-27 1986-29 1984-19 1999-25 1999-13 1999-27 HIG. WET 15 8.0 10.0 9.6 18.6 17.0 17.8 18.4 18.8 19.4 15.4 10.0 8.0 11 YEAR - DAY 2002- 4 1998- 7 1998-28 1998-30 1998-13 1996-23 1995-16 1994- 2 1996-23 1997-20 1997-11 2002- 1 LOW. WET 15 -12.2 -9.4 -4.6 -3.0 2.0 6.2 8.6 8.4 5.2 -7.4 -8.6 -9.8 12 YEAR - DAY 1983-27 1984- 1 1985- 3 1983- 1 2000- 2 2000- 7 1999- 3 1999-10 1994-21 1999-25 1999-24 1999-27 HIG. MIN. 6.0 5.5 10.5 16.0 18.0 24.0 27.5 26.0 23.0 18.0 11.5 10.5 13 YEAR - DAY 2002- 4 1997-22 1996-31 1998-30 1996-30 1996-20 1998-10 1998- 5 1998-13 2000-20 1998-20 2002- 1 LOW. MIN. -18.0 -14.0 -9.5 -4.0 0.5 5.5 10.0 9.0 6.0 -5.0 -9.5 -13.5 14 YEAR - DAY 1983-28 1984- 1 1985- 7 2002- 4 2000- 2 2000- 3 1987-28 1986-12 1994-23 1999-24 1999-23 1984- 5 HIG. MAX. 16.0 17.5 19.0 26.0 32.5 34.5 37.5 35.5 33.5 29.5 22.5 20.5 15 YEAR - DAY 1987-19 1987- 7 1994-31 1994-20 1996-31 1996-18 1998- 7 1983- 6 1983- 3 2003-27 2001- 4 2002- 4 LOW. MAX. -8.5 -7.0 1.0 -1.0 8.5 17.0 23.5 22.5 17.5 0.0 -2.5 -3.0 16 YEAR - DAY 1983-27 1984- 1 1985- 4 1983- 1 2000- 1 2000- 1 1987-30 1986-29 1984-19 1999-23 1999-16 1983-21 HIG. PPTN 50.4 43.0 52.0 40.0 45.0 7.0 7.0 6.0 0.0 10.0 44.0 24.0 17 YEAR - DAY 1993-16 1993- 4 1999- 2 2002- 3 1987-31 1995- 3 1988-27 1986-25 999-** 1998-10 1986-30 1986-20 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 35 STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 MET. HIGHEST LIMITS OF ABSOLUTE DIFFERENCES FOR 21 YEARS DURING 1983-2003 ELE- JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MENT --------------------------------------------------------------------------------------------- NO. DRY 09 - DRY 03 18.2 21.0 17.8 16.0 16.8 20.0 16.6 16.6 19.2 17.8 18.0 20.2 18 YEAR - DAY 1987-30 1987- 8 1988-15 2003-30 1988-17 1988- 8 1988-24 1983-29 1988-11 1987- 2 1983-19 1984- 5 DRY 15 - DRY 09 8.0 12.2 8.8 12.2 11.0 8.4 7.2 6.6 15.0 12.2 7.6 8.4 19 YEAR - DAY 1994- 6 1987- 9 1996- 9 1993-24 1997-20 1994- 4 1996-24 1983-26 1995-21 1984- 8 1993-28 1983- 6 DRY 15 - DRY 03 13.0 14.2 14.8 9.8 15.4 15.8 13.0 14.6 15.8 14.8 14.8 16.4 20 YEAR - DAY 1994-28 1994-12 1988-15 1985-10 1988-21 1988- 8 1987-27 1983-29 1988- 8 1987- 2 1987-14 1984- 5 WET 09 - WET 03 13.4 15.8 13.0 9.4 9.4 10.6 9.8 7.6 10.2 9.2 12.6 14.4 21 YEAR - DAY 1988- 3 1994-12 1988-15 1997-12 1988-17 1988-18 1993-19 1994-18 1988- 6 1997-30 1984-30 1984- 5 WET 15 - WET 09 6.7 8.0 6.2 8.8 6.4 4.4 9.2 4.6 5.4 8.0 6.0 6.8 22 YEAR - DAY 1993-24 1984-25 1993-22 1988-20 1987-17 1996-11 1993-19 1997-15 2001- 7 1984-20 1993-28 1996- 8 WET 15 - WET 03 10.1 11.4 10.6 7.8 8.2 8.2 6.0 6.0 9.1 7.6 10.8 14.6 23 YEAR - DAY 1994-28 1994-12 1988-15 1997-12 1988-22 1988- 8 1988- 2 1986- 4 2001- 7 1987- 2 1987-14 1984- 5 DAY BY DAY DRY 03 8.5 12.4 9.6 10.8 6.8 6.2 7.4 6.4 6.6 12.0 9.8 11.2 24 YEAR - DAY 1988- 4 1994-19 1985- 3 1985- 8 1997- 4 1994- 4 1996- 1 2002- 5 1994- 4 2000-19 1984-30 1994- 8 DAY BY DAY WET 03 8.0 10.6 10.0 8.2 11.4 5.4 5.0 5.6 6.2 9.6 9.6 9.8 25 YEAR - DAY 1988- 4 1994-19 1988- 6 1997-12 1998-12 1993-22 1994- 8 1994-18 2003-28 1993- 7 1984-30 1994- 8 DAY BY DAY DRY 09 8.4 13.4 10.2 11.2 12.4 8.2 9.2 4.0 7.4 7.8 9.0 9.8 26 YEAR - DAY 1984-29 1987-10 1985- 3 1994-20 1987-31 1987- 1 1988- 3 1999-25 1984-21 1984- 9 2000- 6 1984-16 DAY BY DAY WET 09 7.0 7.0 8.2 7.4 5.6 5.0 8.2 4.2 5.2 7.0 7.0 6.4 27 YEAR - DAY 1983-13 1993-21 1997- 1 1983- 2 1987-18 1993- 6 1993-19 1998- 7 1996-21 1999-26 1987-30 1983-18 DAY BY DAY DRY 15 10.4 7.2 9.0 9.0 11.8 8.0 7.6 7.0 6.4 14.0 8.6 7.8 28 YEAR - DAY 1984-29 1998- 7 1997- 8 1983- 2 1997- 4 1987- 1 1987-30 1986-25 1995-22 2000-18 1993-29 1986-10 DAY BY DAY WET 15 8.0 7.6 8.0 6.2 7.6 5.8 3.6 5.0 6.6 8.6 7.4 5.8 29 YEAR - DAY 1984-17 1993- 2 1997- 8 1983- 2 1998- 1 1993- 7 1983- 4 1986-25 2001- 8 1984-20 1993-28 1986-10 DAY BY DAY MIN. 8.5 12.0 8.2 9.0 8.0 7.0 6.0 7.5 6.0 11.5 9.0 12.0 30 YEAR - DAY 1988- 5 1994-19 1988- 6 1998-25 2001-23 1994- 4 1996- 1 2002- 9 1986- 1 2000-21 1984-30 1994- 8 DAY BY DAY MAX. 9.0 12.5 8.5 9.0 9.4 7.0 7.5 5.5 6.5 9.0 7.5 8.5 31 YEAR - DAY 1984-29 1987-10 1997- 1 1983- 2 1987-31 1993-11 1987-30 2002- 3 1984-21 2003-27 1993-21 1984-19 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 MET. MEAN AND EXTREMES FOR THE YEAR 1983 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. -1.4 0.7 3.3 9.8 17.4 23.3 25.5 24.5 19.9 13.5 7.2 2.2 12.1 AVERAGE OF MINIMUM TEMPERATURE IN C. -5.3 -4.2 -2.4 4.8 10.8 16.3 18.0 16.7 11.5 6.3 -1.1 -3.3 5.7 AVERAGE OF MAXIMUM TEMPERATURE IN C. 2.6 5.6 9.0 14.8 24.0 30.2 33.0 32.2 28.3 20.5 15.6 7.6 18.6 DIFFERENCE BETWEEN AVERAGE MAXIMUM 7.9 9.8 11.4 10.0 13.2 13.9 15.0 15.5 16.8 14.2 16.7 10.9 12.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.10 3.22 3.61 5.43 5.65 5.96 7.13 7.31 6.30 4.68 3.09 3.31 4.90 MEAN OF MIXING RATIO AT 09 GMT. 3.85 4.09 3.87 5.15 5.81 4.48 6.73 6.54 6.13 4.32 4.23 4.08 4.94 MEAN OF MIXING RATIO AT 15 GMT. 3.53 3.66 3.58 4.88 5.53 4.70 6.27 6.19 5.46 4.08 3.45 3.57 4.58 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -18.0 -11.0 -7.0 -3.0 5.0 15.0 16.0 11.0 7.0 2.0 -3.5 -11.0 -18.0 DAY 28 23 1 1 1 2 1 29 28 29 19 22 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 9.5 9.0 15.0 20.0 27.5 33.5 35.5 35.5 33.5 25.5 20.5 14.5 35.5 DAY 2 20 27 17 25 28 24 6 3 3 1 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 10.5 0.0 10.0 33.0 8.2 0.0 0.0 0.0 0.0 0.0 0.0 11.8 33.0 DAY 16 ** 6 1 1 ** ** ** ** ** ** 18 MONTHLY TOTAL PRECIPITATION IN MM. 45.0 0.0 27.0 39.5 12.2 0.0 0.0 0.0 0.0 0.0 0.0 14.8 138.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 52.0 37.3 0.0 10.7 NO. OF DAYS WITH PRECIPITATION. 7 0 4 5 3 0 0 0 0 0 0 3 22 NO. OF DAYS PRECIPITATION EQUAL 7 0 4 5 3 0 0 0 0 0 0 3 22 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 0 1 1 0 0 0 0 0 0 0 1 4 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 84 84 79 67 46 33 36 43 51 53 62 74 59 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 69 59 46 42 27 14 18 19 22 25 33 54 36 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 75 67 53 48 33 19 21 22 26 30 37 61 41 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 21 15 9 0 0 0 0 0 0 0 0 14 59 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 1 0 1 0 0 0 0 0 0 0 5 16 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 22 31 29 10 0 0 0 92 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 29 26 30 1 0 0 0 0 0 0 21 22 129 DATE OF START AND END FREEZING START = 5 NOV. END = 1 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 MET. MEAN AND EXTREMES FOR THE YEAR 1984 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. -0.2 -0.5 6.6 11.6 16.8 22.5 23.1 24.3 19.5 11.3 7.1 -1.1 11.8 AVERAGE OF MINIMUM TEMPERATURE IN C. -5.0 -5.6 1.0 5.8 10.7 15.1 16.5 18.5 12.9 5.0 1.2 -6.7 5.8 AVERAGE OF MAXIMUM TEMPERATURE IN C. 4.7 4.5 10.9 17.5 22.9 29.9 29.7 30.2 26.1 17.7 12.9 4.5 17.6 DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.7 10.1 9.9 11.7 12.2 14.8 13.2 11.7 13.2 12.7 11.7 11.2 11.8 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.05 2.95 4.41 4.13 5.34 6.39 6.48 6.40 5.01 4.15 4.44 2.80 4.63 MEAN OF MIXING RATIO AT 09 GMT. 3.16 3.03 4.71 3.63 5.24 5.33 5.49 5.86 4.78 3.32 3.19 2.91 4.22 MEAN OF MIXING RATIO AT 15 GMT. 3.13 3.17 4.56 3.91 4.79 5.41 5.41 5.61 4.53 3.56 3.67 3.17 4.24 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -13.5 -14.0 -5.0 1.5 3.5 10.0 14.0 16.5 8.5 -1.5 -6.5 -13.5 -14.0 DAY 31 1 1 1 2 2 4 15 18 21 30 5 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 12.0 15.0 14.5 21.0 26.5 33.5 33.0 33.0 30.0 25.0 16.0 12.0 33.5 DAY 6 12 31 11 26 26 2 15 5 5 5 3 24 HOUR MAXIMUM PRECIPITATION IN MM. 21.0 6.5 42.0 12.0 8.0 0.0 0.0 0.0 0.0 1.0 17.5 2.0 42.0 DAY 17 25 27 18 5 ** ** ** ** 8 16 29 MONTHLY TOTAL PRECIPITATION IN MM. 44.0 10.0 94.0 19.0 8.0 0.0 0.0 0.0 0.0 1.0 24.5 2.0 202.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 73.1 13.3 0.0 13.6 NO. OF DAYS WITH PRECIPITATION. 5 2 6 3 1 0 0 0 0 1 2 1 21 NO. OF DAYS PRECIPITATION EQUAL 5 2 6 3 1 0 0 0 0 1 2 1 21 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 0 4 1 0 0 0 0 0 0 1 0 8 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 81 77 73 43 46 40 35 30 37 48 68 82 55 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 51 51 49 26 26 18 19 19 20 22 29 52 32 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 62 62 58 34 30 22 21 20 24 31 41 68 39 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 17 19 2 0 0 0 0 0 0 0 1 27 66 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 5 4 0 0 0 0 0 0 0 0 0 6 15 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 21 10 17 1 0 0 0 49 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 31 29 11 0 0 0 0 0 0 5 12 31 119 DATE OF START AND END FREEZING START = 21 OCT. END = 18 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 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. 4.6 4.2 5.1 12.6 16.7 ***** ***** 20.8 ***** 13.1 ***** ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. 0.2 -0.9 -1.0 6.8 10.2 ***** ***** 13.8 ***** 7.1 ***** ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 8.9 9.3 11.2 18.5 23.2 ***** ***** 27.8 ***** 19.1 ***** ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.7 10.2 12.2 11.7 13.0 ***** ***** 14.0 ***** 12.0 ***** ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.14 3.90 3.86 4.80 5.06 ***** ***** 6.63 ***** 4.39 ***** ***** ***** MEAN OF MIXING RATIO AT 09 GMT. 3.57 3.60 3.72 4.12 4.32 ***** ***** 5.72 ***** 4.54 ***** ***** ***** MEAN OF MIXING RATIO AT 15 GMT. 3.60 3.51 3.46 4.02 4.34 ***** ***** 5.39 ***** 4.45 ***** ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -6.5 -5.0 -9.5 0.0 6.0 ***** ***** 11.0 ***** 1.0 ***** ***** ****** DAY 1 9 7 8 3 ** ** 30 ** 15 ** ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 12.5 13.0 17.0 21.0 30.0 ***** ***** 34.5 ***** 26.0 ***** ***** ****** DAY 15 14 20 19 31 ** ** 3 ** 1 ** ** 24 HOUR MAXIMUM PRECIPITATION IN MM. 19.0 2.0 7.0 6.0 0.0 ***** ***** 0.0 ***** 0.0 ***** ***** ****** DAY 2 1 4 8 ** ** ** ** ** ** ** ** MONTHLY TOTAL PRECIPITATION IN MM. 19.0 2.0 15.0 6.0 0.0 ***** ***** 0.0 ***** 0.0 ***** ***** ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 85.7 14.3 0.0 0.0 NO. OF DAYS WITH PRECIPITATION. 1 1 4 1 0 *** *** 0 *** 0 *** *** *** NO. OF DAYS PRECIPITATION EQUAL 1 1 4 1 0 *** *** 0 *** 0 *** *** *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 0 0 0 0 *** *** 0 *** 0 *** *** *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 72 68 67 52 46 *** *** 46 *** 48 *** *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 44 45 41 27 22 *** *** 22 *** 28 *** *** *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 53 49 47 32 26 *** *** 24 *** 33 *** *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 5 2 12 0 0 *** *** 0 *** 0 *** *** *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 *** *** 0 *** 0 *** *** *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 *** *** 0 *** 0 *** *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 1 *** *** 6 *** 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. 14 20 16 1 0 *** *** 0 *** 0 *** *** *** DATE OF START AND END FREEZING START = 1 JAN. END = 8 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 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.***** ***** ***** ***** ***** ***** 23.6 20.6 19.6 14.5 6.1 1.5 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** 16.6 13.4 12.8 7.6 1.2 -2.8 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** 30.6 27.7 26.5 21.5 11.0 5.8 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** ***** ***** ***** ***** 14.0 14.3 13.7 13.9 9.8 8.6 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** ***** ***** ***** ***** 7.71 6.90 5.48 5.27 4.04 3.57 ***** MEAN OF MIXING RATIO AT 09 GMT. ***** ***** ***** ***** ***** ***** 7.16 6.19 5.70 5.03 4.16 3.64 ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** ***** ***** ***** ***** 6.66 5.86 4.99 4.57 3.72 3.45 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** 13.0 9.0 9.5 4.0 -3.5 -10.5 ****** DAY ** ** ** ** ** ** 23 12 16 27 14 13 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** 32.5 31.0 30.0 26.5 17.0 10.0 ****** DAY ** ** ** ** ** ** 30 1 5 8 2 28 24 HOUR MAXIMUM PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** 0.0 6.0 0.0 2.0 44.0 24.0 ****** DAY ** ** ** ** ** ** ** 25 ** 18 30 20 MONTHLY TOTAL PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** 0.0 6.0 0.0 4.0 70.0 45.0 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION ***** ***** 4.8 95.2 NO. OF DAYS WITH PRECIPITATION. *** *** *** *** *** *** 0 1 0 2 5 6 *** NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** 0 1 0 2 5 6 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** 0 0 0 0 2 1 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** *** *** *** *** 42 48 40 52 66 76 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** *** *** *** *** *** 23 24 22 27 44 53 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** *** *** *** *** 25 26 25 32 48 60 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** 0 0 0 0 0 14 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** 0 0 0 0 0 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** 0 0 0 0 0 2 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** 27 5 1 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. *** *** *** *** *** *** 0 0 0 0 12 21 *** DATE OF START AND END FREEZING START = 13 NOV. END = 31 DEC. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 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. 4.8 5.0 5.1 11.2 17.4 22.2 24.0 22.1 18.7 11.2 7.6 3.7 12.7 AVERAGE OF MINIMUM TEMPERATURE IN C. -2.8 -2.6 -0.5 6.2 10.4 14.5 17.1 15.5 11.4 4.7 0.3 -2.5 6.0 AVERAGE OF MAXIMUM TEMPERATURE IN C. 12.4 12.7 10.7 16.3 24.4 29.9 30.8 28.7 26.0 17.7 14.9 9.8 19.5 DIFFERENCE BETWEEN AVERAGE MAXIMUM 15.2 15.3 11.2 10.1 14.0 15.4 13.7 13.2 14.6 13.0 14.6 12.3 13.5 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.03 3.46 3.90 5.17 6.00 6.14 7.32 6.21 5.54 5.37 3.48 3.40 4.92 MEAN OF MIXING RATIO AT 09 GMT. 3.93 4.21 3.91 4.46 5.75 6.50 6.69 5.82 5.70 4.98 4.35 3.83 5.01 MEAN OF MIXING RATIO AT 15 GMT. 3.52 3.77 3.59 4.00 5.40 5.93 6.68 6.05 5.16 4.66 3.84 3.47 4.67 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -7.0 -6.0 -3.5 -0.5 7.5 10.0 10.0 12.5 7.0 -2.0 -6.0 -9.0 -9.0 DAY 29 1 18 1 6 1 28 19 27 12 30 2 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 16.0 17.5 17.5 22.5 27.5 32.5 33.0 31.5 29.5 25.5 18.5 14.5 33.0 DAY 19 7 9 30 2 20 11 16 3 2 7 18 24 HOUR MAXIMUM PRECIPITATION IN MM. 0.0 25.0 18.0 8.0 45.0 0.0 6.0 3.0 0.0 1.0 3.0 10.0 45.0 DAY ** 10 4 5 31 ** 30 7 ** 23 3 21 MONTHLY TOTAL PRECIPITATION IN MM. 0.0 34.0 29.0 11.0 57.0 0.0 6.0 3.0 0.0 2.0 3.0 26.0 171.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 36.8 39.8 5.3 18.1 NO. OF DAYS WITH PRECIPITATION. 0 3 2 2 3 0 1 1 0 2 1 4 19 NO. OF DAYS PRECIPITATION EQUAL 0 3 2 2 3 0 1 1 0 2 1 4 19 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 1 2 0 1 0 0 0 0 0 0 1 5 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 65 71 72 61 45 39 41 39 47 65 62 70 56 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 37 40 44 34 28 22 21 21 23 35 37 44 32 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 44 47 48 36 33 24 25 25 25 38 40 49 36 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 14 9 0 0 0 0 0 0 0 0 3 13 39 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 22 26 10 0 0 0 0 58 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 26 24 22 1 0 0 0 0 0 2 15 23 113 DATE OF START AND END FREEZING START = 11 OCT. END = 1 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 MET. MEAN AND EXTREMES FOR THE YEAR 1988 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 0.7 1.4 5.8 13.7 17.0 21.5 23.7 ***** 19.5 15.7 6.8 2.6 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -5.7 -3.3 -0.3 8.8 9.3 12.5 15.3 ***** 9.6 7.5 0.4 -4.2 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 7.2 6.1 11.9 18.6 24.8 30.5 32.1 ***** 29.4 23.8 13.2 9.4 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 12.9 9.4 12.2 9.8 15.5 18.0 16.8 ***** 19.8 16.3 12.8 13.6 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.81 3.15 3.55 5.09 4.71 5.02 6.97 ***** 5.27 5.05 3.51 3.15 ***** MEAN OF MIXING RATIO AT 09 GMT. 3.61 3.50 4.13 5.09 5.55 6.35 7.61 ***** 6.48 5.35 3.64 3.44 ***** MEAN OF MIXING RATIO AT 15 GMT. 3.47 3.23 3.73 4.07 5.03 5.63 6.66 ***** 5.44 4.75 3.23 3.04 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -13.0 -11.0 -6.5 -2.5 6.5 9.5 12.0 ***** 6.5 4.5 -5.5 -12.5 ****** DAY 3 7 15 2 4 3 27 ** 30 30 26 28 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 11.5 12.0 17.5 22.5 28.5 32.5 35.5 ***** 33.5 26.0 18.5 15.0 ****** DAY 28 23 31 20 24 17 5 ** 11 2 4 2 24 HOUR MAXIMUM PRECIPITATION IN MM. 13.0 23.0 23.0 10.0 0.0 0.0 7.0 ***** 0.0 0.0 0.0 0.0 ****** DAY 13 3 9 26 ** ** 27 ** ** ** ** ** MONTHLY TOTAL PRECIPITATION IN MM. 23.0 41.0 59.0 10.0 0.0 0.0 7.0 ***** 0.0 0.0 0.0 0.0 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 87.9 7.1 5.0 0.0 NO. OF DAYS WITH PRECIPITATION. 4 3 4 1 0 0 1 *** 0 0 0 0 *** NO. OF DAYS PRECIPITATION EQUAL 4 3 4 1 0 0 1 *** 0 0 0 0 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 2 3 1 0 0 0 *** 0 0 0 0 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 74 71 60 47 45 39 44 *** 51 56 63 76 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 49 51 42 32 25 21 24 *** 23 26 34 41 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 56 55 46 34 28 22 26 *** 23 29 35 45 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 24 16 5 0 0 0 0 *** 0 0 5 18 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 *** 0 0 0 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 1 0 0 0 0 0 0 *** 0 0 0 0 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 23 27 *** 15 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 22 17 1 0 0 0 *** 0 0 15 29 *** DATE OF START AND END FREEZING START = 15 NOV. END = 2 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION BALAN LATITUDE 32 54 N DATA PROCESSING CENTER LONGITUDE 52 54 E ELEVATION 2125 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.***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** 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. ***** ***** ***** ***** ***** ****