IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 1 STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 MET. AVERAGE OF MEAN DAILY TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MAX-MIN 1988 6.0 8.1 13.7 19.3 26.7 30.9 33.3 30.4 26.2 19.6 13.1 7.4 27.3 1989 2.0 3.2 13.0 18.9 24.0 30.9 32.6 29.4 25.4 19.5 12.7 8.0 30.6 1990 4.2 7.8 12.6 19.4 27.2 30.5 31.6 31.2 26.3 18.9 12.9 6.4 27.4 1991 5.3 5.4 11.8 20.0 24.4 29.9 31.5 29.3 24.9 18.3 ****** ****** ****** 1992 4.0 7.2 9.9 18.3 ****** 30.8 ****** 27.9 23.9 18.1 ****** 7.0 ****** 1993 ****** ****** 11.9 ****** ****** 32.2 32.1 ****** 25.6 ****** ****** 7.8 ****** 1994 7.9 8.5 14.1 ****** 26.5 31.3 32.6 31.7 23.4 19.1 14.1 8.6 ****** 1995 6.8 ****** ****** 18.5 24.5 30.3 34.7 31.4 25.8 ****** ****** ****** ****** 1996 1.1 ****** 11.8 20.1 25.4 31.4 31.7 30.7 27.0 18.6 8.7 8.5 ****** 1997 6.8 6.1 10.0 17.4 24.8 30.8 34.2 31.2 25.9 21.5 12.9 8.8 28.1 1998 6.2 9.7 13.9 19.9 21.6 30.7 34.5 31.7 27.1 20.9 13.7 8.1 28.3 1999 3.5 9.5 12.2 15.8 24.2 29.4 ****** ****** 26.2 22.5 13.0 5.0 ****** 2000 5.9 7.6 13.1 20.0 25.5 27.7 29.0 27.3 25.8 17.1 9.5 7.8 23.1 2001 5.6 8.5 15.4 22.6 27.6 30.5 33.0 30.7 26.9 22.0 13.6 9.5 27.4 2002 6.5 10.5 14.9 20.4 26.9 31.3 33.1 32.0 27.8 21.7 ****** ****** ****** 2003 7.5 10.9 14.4 21.0 24.4 31.5 35.1 31.5 26.2 21.5 11.3 7.0 28.1 MEAN 5.3 7.9 12.8 19.4 25.3 30.6 32.8 30.5 25.9 19.9 12.3 7.7 27.5 SD 1.96 2.13 1.62 1.63 1.62 1.03 1.61 1.46 1.13 1.69 1.76 1.16 1.57 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 2 STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 MET. AVERAGE OF MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1988 -2.5 0.5 5.4 11.4 17.9 22.2 25.0 21.0 15.8 9.0 3.1 -1.7 10.6 1989 -5.3 -5.2 4.1 9.7 14.5 20.8 24.1 19.3 14.3 8.5 3.8 -1.0 9.0 1990 -2.8 0.4 3.6 10.3 17.9 20.3 22.9 21.3 15.0 8.7 2.2 -2.4 9.8 1991 -0.8 -2.6 4.3 11.4 15.5 21.0 22.2 19.1 14.3 8.8 ****** ****** ****** 1992 -1.3 -0.9 2.8 10.6 ****** 23.4 ****** 20.1 15.0 10.0 ****** 0.5 ****** 1993 ****** 1.6 4.9 13.0 19.3 24.1 24.4 21.5 15.7 6.1 3.4 -1.0 ****** 1994 -0.7 0.1 6.0 ****** 20.1 24.0 24.8 23.0 14.9 12.2 6.0 1.6 ****** 1995 -0.4 ****** ****** 11.3 17.4 23.5 27.3 21.9 16.8 9.1 3.6 -0.4 ****** 1996 -3.4 2.3 4.9 12.8 18.3 24.8 25.7 23.1 18.0 9.0 -2.2 -0.8 11.0 1997 -1.0 -3.7 2.7 9.7 16.4 22.4 24.6 20.0 15.3 11.5 3.7 -1.8 10.0 1998 -2.9 0.7 6.4 10.8 10.9 19.2 23.8 24.0 19.0 10.7 4.5 -3.3 10.3 1999 -4.9 -1.5 1.0 5.7 11.9 18.0 ****** ****** 14.4 11.9 3.0 -3.0 ****** 2000 0.1 -2.3 2.1 8.6 14.9 15.7 18.2 15.1 14.4 5.7 0.1 0.2 7.7 2001 -1.8 -0.1 6.6 12.9 18.6 21.2 24.9 21.1 17.2 12.9 4.1 3.1 11.7 2002 -0.5 1.9 4.7 12.1 17.9 23.0 25.2 22.9 17.4 11.2 ****** ****** ****** 2003 -0.5 2.1 6.2 12.8 16.2 23.1 26.6 22.8 16.6 11.1 2.8 0.5 11.7 MEAN -1.9 -0.4 4.4 10.9 16.5 21.7 24.3 21.1 15.9 9.8 2.9 -0.7 10.4 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 3 STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 MET. AVERAGE OF MAXIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1988 14.4 15.7 22.0 27.3 35.5 39.5 41.6 39.9 36.6 30.2 23.0 16.4 28.5 1989 9.3 11.6 21.9 28.1 33.5 41.0 41.0 39.6 36.4 30.4 21.5 17.0 27.6 1990 10.9 15.1 21.6 28.6 36.5 40.7 40.3 41.2 37.6 29.1 23.5 15.1 28.4 1991 11.5 13.3 19.3 28.6 33.2 38.8 40.9 39.6 35.6 27.9 21.7 14.7 27.1 1992 9.2 15.2 17.0 25.9 29.8 38.3 40.7 35.6 32.8 26.3 ****** 13.6 ****** 1993 12.3 ****** 18.9 ****** ****** 40.4 39.8 ****** 35.6 ****** ****** 16.5 ****** 1994 16.6 16.9 22.3 27.9 32.9 38.6 40.5 40.4 31.9 26.0 22.2 15.5 27.6 1995 14.0 ****** ****** 25.6 31.7 37.1 42.2 40.9 34.7 ****** ****** ****** ****** 1996 4.9 ****** 18.8 27.4 32.5 38.0 37.7 38.3 36.0 28.3 19.6 17.7 ****** 1997 14.5 15.6 17.2 25.1 33.1 39.2 43.8 42.4 36.5 31.4 22.2 19.4 28.4 1998 15.0 18.1 21.4 29.0 31.5 42.3 45.3 39.3 35.3 31.1 23.0 19.6 29.2 1999 11.9 20.5 23.4 25.9 36.5 40.8 ****** ****** 37.9 33.1 23.0 13.1 ****** 2000 11.6 17.6 24.1 31.5 36.2 39.6 39.8 39.5 37.1 28.5 18.8 15.4 28.3 2001 13.0 17.1 24.2 32.2 36.7 39.8 41.0 40.3 36.5 31.0 22.8 16.0 29.2 2002 13.3 19.0 25.1 28.7 35.9 39.5 41.0 41.2 38.2 32.1 ****** ****** ****** 2003 15.4 19.8 22.6 29.2 32.6 39.8 43.7 40.2 35.9 31.8 19.8 13.6 28.7 MEAN 12.4 16.6 21.3 28.1 33.9 39.6 41.3 39.9 35.9 29.8 21.8 16.0 28.0 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 4 STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 MET. DIFFERENCE BETWEEN AVERAGE MAXIMUM AND MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1988 16.9 15.2 16.6 15.9 17.6 17.3 16.6 18.9 20.8 21.2 19.9 18.1 17.9 1989 14.6 16.8 17.8 18.4 19.0 20.2 16.9 20.3 22.1 21.9 17.7 18.0 18.6 1990 13.7 14.7 18.0 18.3 18.6 20.4 17.4 19.9 22.6 20.4 21.3 17.5 18.6 1991 12.3 15.9 15.0 17.2 17.7 17.8 18.7 20.5 21.3 19.1 ****** ****** ****** 1992 10.5 16.1 14.2 15.3 ****** 14.8 ****** 15.5 17.8 16.3 ****** 13.1 ****** 1993 ****** ****** 14.0 ****** ****** 16.3 15.4 ****** 19.9 ****** ****** 17.5 ****** 1994 17.3 16.8 16.3 ****** 12.8 14.6 15.7 17.4 17.0 13.8 16.2 13.9 ****** 1995 14.4 ****** ****** 14.3 14.3 13.6 14.9 19.0 17.9 ****** ****** ****** ****** 1996 8.3 ****** 13.9 14.6 14.2 13.2 12.0 15.2 18.0 19.3 21.8 18.5 ****** 1997 15.5 19.3 14.5 15.4 16.7 16.8 19.2 22.4 21.2 19.9 18.5 21.2 18.4 1998 17.9 17.4 15.0 18.2 20.6 23.1 21.5 15.3 16.3 20.4 18.5 22.9 18.9 1999 16.8 22.0 22.4 20.2 24.6 22.8 ****** ****** 23.5 21.2 20.0 16.1 ****** 2000 11.5 19.9 22.0 22.9 21.3 23.9 21.6 24.4 22.7 22.8 18.7 15.2 20.6 2001 14.8 17.2 17.6 19.3 18.1 18.6 16.1 19.2 19.3 18.1 18.7 12.9 17.5 2002 13.8 17.1 20.4 16.6 18.0 16.5 15.8 18.3 20.8 20.9 ****** ****** ****** 2003 15.9 17.6 16.4 16.4 16.4 16.7 17.1 17.4 19.3 20.7 17.0 13.1 17.0 MEAN 14.3 17.4 16.9 17.4 17.8 17.9 17.1 18.8 20.0 19.7 18.9 16.8 17.8 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 5 STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1988 2.64 3.29 3.89 4.70 6.91 7.38 7.91 6.25 4.62 4.12 3.36 2.85 4.83 1989 2.46 2.57 3.64 3.55 4.77 6.96 8.31 5.11 3.29 2.82 3.81 2.72 4.17 1990 2.80 2.99 3.22 3.87 4.38 4.82 5.65 5.26 3.49 3.91 2.96 2.72 3.84 1991 3.60 3.04 5.22 5.88 5.71 7.24 7.34 5.86 4.57 5.37 3.56 3.90 5.11 1992 3.04 2.76 3.95 5.52 6.83 5.56 5.40 5.09 4.51 3.38 3.66 3.51 4.43 1993 3.44 3.37 3.96 7.21 6.87 5.84 6.63 6.90 5.31 3.45 3.46 2.51 4.91 1994 2.70 2.51 3.90 5.20 5.80 6.83 9.25 10.67 4.78 6.78 3.83 3.47 5.48 1995 2.70 ****** ****** 6.65 8.94 10.22 11.54 9.41 8.59 5.18 3.82 3.38 ****** 1996 2.75 4.25 4.66 5.77 8.25 9.35 9.35 9.05 8.55 4.75 3.27 3.03 6.09 1997 3.26 2.88 3.97 5.48 6.60 7.79 10.62 7.86 6.20 5.49 4.23 3.36 5.64 1998 2.95 3.80 4.88 4.25 4.51 6.31 9.52 8.81 7.79 4.74 3.73 3.25 5.38 1999 3.72 3.88 4.74 4.84 5.92 6.24 ****** ****** 3.10 3.54 3.63 3.59 ****** 2000 2.96 2.20 2.88 3.91 4.24 5.10 6.23 5.86 5.20 4.82 4.13 3.84 4.28 2001 2.91 2.98 4.34 4.31 5.01 6.26 7.32 5.91 4.57 4.48 3.44 4.67 4.68 2002 3.33 3.11 3.47 5.27 5.53 5.67 6.92 6.45 4.28 3.40 ****** ****** ****** 2003 3.33 3.25 3.57 5.54 5.11 5.73 6.59 6.10 5.15 3.80 2.95 3.77 4.57 MEAN 3.04 3.13 4.02 5.13 5.97 6.71 7.91 6.98 5.26 4.38 3.59 3.38 4.95 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 6 STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1988 4.39 3.97 4.63 5.06 6.36 7.01 8.27 5.75 5.70 5.13 5.06 3.65 5.41 1989 3.25 3.37 4.29 3.81 5.47 6.65 8.36 4.48 3.44 3.84 4.75 3.68 4.62 1990 3.87 3.68 3.65 3.83 4.70 5.97 5.67 5.11 4.13 6.13 4.11 4.26 4.59 1991 5.12 4.36 6.80 5.77 5.91 8.42 8.58 7.82 5.16 5.83 4.72 5.01 6.13 1992 4.07 3.14 5.30 4.98 5.42 5.32 4.00 4.98 5.16 5.46 4.83 4.31 4.75 1993 4.28 4.61 4.85 8.19 8.13 6.43 6.86 8.36 7.29 5.25 4.79 4.86 6.16 1994 3.91 3.27 4.67 4.99 5.36 6.61 11.38 20.83 5.59 7.88 5.39 2.24 6.84 1995 3.70 ****** ****** 8.63 11.51 13.20 14.78 19.64 20.21 14.01 10.47 5.02 ****** 1996 3.98 6.36 7.72 8.57 12.18 10.74 9.83 14.10 14.22 8.76 6.22 7.03 9.14 1997 5.95 5.67 6.01 9.50 10.04 8.35 15.74 11.93 10.76 11.48 8.89 5.19 9.13 1998 4.14 5.46 8.15 4.20 8.49 11.78 10.22 10.75 6.23 9.21 7.29 4.55 7.54 1999 4.81 5.76 5.79 6.58 7.00 6.45 ****** ****** 2.81 1.99 3.36 3.77 ****** 2000 3.35 3.63 4.22 4.16 5.15 5.75 6.62 6.99 6.93 6.68 5.43 5.09 5.33 2001 4.19 4.17 5.32 5.34 6.69 5.88 8.07 6.81 6.65 6.11 4.25 6.07 5.80 2002 4.62 3.59 3.69 5.93 6.57 7.05 8.41 7.35 6.56 6.80 ****** ****** ****** 2003 4.07 3.71 4.34 5.90 5.83 6.33 8.58 7.18 6.64 5.49 3.72 4.48 5.52 MEAN 4.24 4.32 5.30 5.97 7.18 7.63 9.03 9.48 7.35 6.88 5.56 4.62 6.46 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 7 STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1988 3.68 3.73 4.66 5.24 5.84 7.26 7.91 5.18 5.47 4.56 4.37 3.24 5.10 1989 2.96 3.07 4.18 3.36 5.30 6.50 7.82 4.10 3.70 3.54 5.08 3.66 4.44 1990 3.68 3.70 3.46 3.36 4.48 5.37 4.95 4.63 4.07 5.17 3.77 3.59 4.19 1991 5.01 4.29 5.79 5.95 6.58 9.05 7.34 6.99 5.45 5.96 4.53 4.63 5.96 1992 3.50 3.08 5.28 5.36 6.71 5.05 3.39 4.50 9.24 5.08 4.31 4.42 4.99 1993 4.05 4.83 4.76 9.19 6.90 7.48 6.83 7.49 7.65 5.11 4.15 3.66 6.01 1994 3.73 3.20 5.10 5.42 6.91 6.78 11.08 18.00 5.66 7.30 5.08 2.79 6.75 1995 3.74 ****** ****** 8.64 11.73 12.93 14.57 18.36 13.41 9.09 7.31 4.16 ****** 1996 3.33 5.02 5.92 6.86 9.96 11.63 11.61 13.55 12.32 7.87 4.96 5.49 8.21 1997 4.87 4.88 5.58 7.39 7.42 7.79 14.87 8.79 8.69 9.25 6.42 3.67 7.47 1998 3.47 5.06 5.98 4.17 6.53 9.36 9.06 7.52 5.95 8.00 5.51 3.72 6.19 1999 4.17 4.66 4.86 5.12 5.34 4.63 ****** ****** 3.83 2.93 4.06 4.16 ****** 2000 3.29 3.26 3.88 4.55 5.38 5.61 5.96 6.84 6.20 6.12 4.98 4.83 5.07 2001 3.70 3.52 5.13 5.25 6.26 6.69 7.81 6.43 5.33 4.76 3.52 5.78 5.35 2002 4.27 3.47 3.33 5.67 6.15 6.63 8.00 7.25 6.75 6.06 ****** ****** ****** 2003 3.88 4.04 3.93 5.58 5.08 6.13 8.27 6.81 6.72 5.15 4.03 4.33 5.33 MEAN 3.84 3.99 4.79 5.70 6.67 7.44 8.63 8.43 6.91 6.00 4.81 4.15 5.94 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 8 STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 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 1988 -7.5 14 -4.0 28 -1.0 7 5.0 4 14.5 8 17.5 9 20.5 10 12.5 12 10.5 27 5.5 29 -5.5 27 -10.5 31 -10.5 1989 -8.5 16 -11.0 8 -1.0 1 3.0 1 3.0 2 14.4 5 17.0 21 15.0 8 6.0 26 5.5 26 -2.5 23 -8.0 19 -11.0 1990 -9.5 14 -4.5 28 -5.5 1 5.0 25 13.0 1 13.5 2 18.5 24 14.5 16 9.5 21 3.5 20 -2.5 25 -9.0 29 -9.5 1991 -5.0 1 -9.5 15 -3.0 2 8.0 8 10.5 7 14.5 25 17.5 30 11.5 24 7.0 28 5.5 30 ***** ** ***** ** ***** 1992 -6.5 6 -8.0 13 -5.4 13 6.2 4 ***** ** 18.8 5 ***** ** 15.0 17 11.0 1 7.0 22 ***** ** -6.5 31 ***** 1993 ***** ** -6.0 18 -5.0 24 4.5 1 11.0 1 18.0 6 18.0 25 13.0 27 10.0 19 0.4 8 -6.8 30 -4.5 7 ***** 1994 -8.5 10 -6.5 5 0.5 16 ***** ** 15.0 1 19.0 12 21.8 15 17.0 24 8.0 22 4.0 13 -1.5 12 -8.0 8 ***** 1995 -6.0 24 ***** ** ***** ** 5.0 1 9.2 26 17.4 4 17.8 28 17.6 27 10.6 23 1.2 29 -6.8 27 -6.0 1 ***** 1996 -14.2 18 -1.6 14 -1.8 1 3.8 7 13.0 10 19.0 18 21.0 18 18.0 28 9.4 28 2.8 26 -10.2 19 -6.4 13 -14.2 1997 -6.6 30 -13.0 8 -4.2 10 -1.2 14 7.0 7 15.8 2 16.2 1 14.8 27 7.2 21 5.2 28 -0.4 26 -6.2 29 -13.0 1998 -8.4 10 -5.4 17 -1.8 6 5.0 3 4.8 25 13.4 13 16.4 15 19.0 28 13.2 17 6.4 30 0.2 28 -8.8 16 -8.8 1999 -11.4 4 -8.4 1 -5.8 7 -0.8 12 6.4 6 13.0 27 ***** ** ***** ** 7.0 28 8.0 25 -5.0 30 -9.0 19 ***** 2000 -9.0 14 -9.0 9 -2.2 6 1.8 3 8.0 12 10.6 18 9.4 20 10.2 20 8.2 28 2.2 30 -6.0 28 -5.2 30 -9.0 2001 -10.4 29 -5.4 13 0.2 12 5.4 3 13.0 7 14.2 25 11.4 31 14.4 16 12.8 29 7.8 12 0.0 23 -3.0 24 -10.4 2002 -5.5 28 -5.0 5 -3.5 8 3.5 6 13.0 5 18.0 1 20.0 31 19.5 11 10.5 30 7.0 27 ***** ** ***** ** ***** 2003 -7.6 15 -3.5 18 -4.5 3 5.5 21 9.0 3 18.5 7 23.0 21 17.0 14 11.0 28 1.0 12 -5.5 26 -6.0 14 -7.6 LOW. -14.2 18 -13.0 8 -5.8 7 -1.2 14 3.0 2 10.6 18 9.4 20 10.2 20 6.0 26 0.4 8 -10.2 19 -10.5 31 -14.2 YEAR 1996 1997 1999 1997 1989 2000 2000 2000 1989 1993 1996 1988 1996 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 9 STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 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 1988 18.0 29 25.5 2 31.0 21 33.5 20 41.0 28 42.5 14 46.0 13 44.0 3 42.0 12 33.5 7 30.0 4 22.5 11 46.0 1989 16.5 2 22.0 28 28.5 27 34.0 16 41.5 26 44.5 26 45.0 1 42.5 4 40.0 3 36.0 7 26.5 28 24.0 2 45.0 1990 18.0 23 24.5 20 29.5 12 35.5 27 41.5 25 45.5 29 43.5 3 44.5 12 42.0 1 36.0 5 30.0 11 24.5 5 45.5 1991 20.5 31 22.0 27 24.0 18 36.0 24 38.5 18 45.5 28 45.0 7 44.5 6 42.0 8 30.5 10 29.5 1 23.0 1 45.5 1992 18.0 16 27.8 25 26.0 30 31.5 14 37.0 31 42.5 24 44.5 4 40.0 6 36.5 25 31.0 14 ***** ** 20.5 22 ***** 1993 20.0 29 ***** ** 25.5 8 ***** ** ***** ** 43.8 25 44.0 8 ***** ** 39.0 14 ***** ** ***** ** 21.0 28 ***** 1994 23.5 2 24.0 1 28.0 28 34.0 23 37.5 30 42.2 20 43.5 7 44.0 3 37.2 1 32.0 1 28.5 4 24.0 3 44.0 1995 22.5 17 ***** ** ***** ** 30.6 3 37.5 7 42.5 22 45.5 12 43.5 22 39.0 10 ***** ** ***** ** ***** ** ***** 1996 18.0 7 ***** ** 28.2 30 35.8 23 39.0 29 42.5 4 41.0 7 41.6 26 39.4 8 33.2 14 28.5 2 22.5 26 ***** 1997 21.0 7 23.5 22 22.0 29 33.0 30 38.0 22 42.5 13 47.5 24 44.5 7 39.8 1 36.5 6 26.0 2 24.0 8 47.5 1998 17.0 29 26.0 8 28.5 23 35.0 15 39.0 31 46.5 22 48.0 19 44.2 20 40.0 17 38.0 2 26.8 1 23.5 2 48.0 1999 16.0 11 26.5 22 27.5 27 30.0 21 39.5 14 43.5 28 ***** ** ***** ** 43.0 15 37.0 6 33.0 27 20.0 16 ***** 2000 19.0 6 25.0 26 29.8 10 36.4 13 39.2 26 44.0 29 43.5 5 42.5 4 40.5 1 39.5 25 26.5 3 22.5 22 44.0 2001 19.6 16 24.0 21 31.0 31 35.5 26 41.0 16 45.0 29 45.5 9 43.5 3 40.0 3 34.5 1 29.0 7 26.0 20 45.5 2002 25.5 7 26.0 25 31.0 20 37.0 28 40.2 30 43.0 14 45.0 19 43.5 7 41.0 4 36.5 6 ***** ** ***** ** ***** 2003 22.5 16 27.0 20 30.0 20 36.0 28 36.5 23 43.5 23 45.5 17 45.0 2 39.5 9 36.5 4 29.0 1 25.5 20 45.5 HIG. 25.5 7 27.8 25 31.0 21 37.0 28 41.5 26 46.5 22 48.0 19 45.0 2 43.0 15 39.5 25 33.0 27 26.0 20 48.0 YEAR 2002 1992 1988 2002 1989 1998 1998 2003 1999 2000 1999 2001 1998 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 10 STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 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 1988 2.0 18 29.0 3 22.0 23 4.0 26 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 1.0 28 0.0 ** 29.0 1989 18.0 3 5.0 23 0.0 ** 0.0 ** 1.0 8 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 2.0 2 1.0 4 18.0 1990 4.5 15 9.0 5 10.0 19 1.0 29 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 1.0 29 29.0 27 29.0 1991 8.0 26 10.5 28 65.0 1 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 4.0 17 5.0 16 6.0 14 65.0 1992 4.5 21 0.0 ** 12.5 21 9.0 8 9.0 12 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 3.0 17 12.5 1993 12.0 7 24.0 3 6.0 9 3.0 27 6.0 6 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 1.0 24 24.0 1994 6.0 23 6.0 18 6.0 10 1.0 27 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 8.0 17 1.5 26 8.0 1995 4.0 1 ***** ** ***** ** 8.0 13 5.0 28 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** ***** 1996 16.0 12 11.0 18 8.0 7 3.0 14 4.0 9 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 8.0 29 0.5 15 16.0 1997 0.0 ** 0.0 ** 14.0 16 0.0 ** 4.0 6 1.0 23 0.0 ** 0.0 ** 0.0 ** 4.0 24 0.0 ** 1.0 11 14.0 1998 8.0 6 18.0 12 0.0 ** 7.0 7 0.0 ** 0.0 ** 0.0 ** 8.0 4 0.0 ** 0.0 ** 0.0 ** 0.0 ** 18.0 1999 16.0 2 15.0 6 31.0 2 8.0 26 0.0 ** 0.0 ** ***** ** ***** ** 0.0 ** 0.0 ** 0.0 ** 1.5 12 ***** 2000 5.0 29 0.5 25 1.0 26 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 9.0 6 2.5 11 9.0 2001 7.0 28 1.0 6 7.0 11 0.0 ** 0.5 3 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 1.0 29 8.5 2 8.5 2002 4.5 11 1.5 20 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** ***** ** ***** ** ***** 2003 8.0 18 0.0 ** 0.5 26 4.5 22 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 21.0 6 21.0 HIG. 18.0 3 29.0 3 65.0 1 9.0 8 9.0 12 1.0 23 0.0 ** 8.0 4 0.0 ** 4.0 17 9.0 6 29.0 27 65.0 YEAR 1989 1988 1991 1992 1992 1997 **** 1998 **** 1991 2000 1990 1991 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 11 STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 MET. MONTHLY TOTAL PRECIPITATION WITH SEASONAL PERCENT. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL SEASONAL-PERCENT ----------------------- 1988 2.0 38.0 38.0 10.0 0.0 0.0 0.0 0.0 0.0 0.0 1.0 0.0 89.0 87.6 11.2 0.0 1.1 1989 22.0 8.5 0.0 0.0 1.0 0.0 0.0 0.0 0.0 0.0 4.5 2.0 38.0 80.3 2.6 0.0 17.1 1990 10.5 13.5 12.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0 1.0 44.0 82.0 43.9 1.2 0.0 54.9 1991 18.5 12.0 91.5 0.0 0.0 0.0 0.0 0.0 0.0 10.0 5.0 18.5 155.5 78.5 0.0 0.0 21.5 1992 10.5 0.0 12.5 13.5 18.0 0.0 0.0 0.0 0.0 0.0 0.0 4.0 58.5 39.3 53.8 0.0 6.8 1993 48.0 28.5 11.0 6.0 6.0 0.0 0.0 0.0 0.0 0.0 0.0 1.0 100.5 87.1 11.9 0.0 1.0 1994 6.0 13.0 10.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0 8.0 1.5 39.5 73.4 2.5 0.0 24.1 1995 8.0 ****** ****** 25.0 10.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ****** 18.6 81.4 0.0 0.0 1996 16.0 33.0 20.0 4.0 6.0 0.0 0.0 0.0 0.0 0.0 8.0 0.5 87.5 78.9 11.4 0.0 9.7 1997 0.0 0.0 17.0 0.0 5.0 1.0 0.0 0.0 0.0 4.0 0.0 2.0 29.0 58.6 20.7 0.0 20.7 1998 13.0 21.0 0.0 12.0 0.0 0.0 0.0 8.0 0.0 0.0 0.0 0.0 54.0 63.0 22.2 14.8 0.0 1999 45.3 15.0 51.8 11.0 0.0 0.0 ****** ****** 0.0 0.0 0.0 1.5 ****** 90.0 8.8 0.0 1.2 2000 5.0 0.5 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 9.0 6.5 22.0 29.5 0.0 0.0 70.5 2001 10.0 1.0 12.5 0.0 0.5 0.0 0.0 0.0 0.0 0.0 1.5 21.5 47.0 50.0 1.1 0.0 48.9 2002 9.5 1.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ****** ****** ****** 100.0 0.0 0.0 0.0 2003 15.5 0.0 0.5 8.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 36.0 60.0 26.7 13.3 0.0 60.0 MEAN 15.0 12.4 18.5 5.7 2.9 0.1 0.0 0.5 0.0 0.9 2.5 9.3 67.8 67.9 12.8 0.7 18.6 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 12 STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 MET. NO. OF DAYS WITH PRECIPITATION YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1988 1 4 3 4 0 0 0 0 0 0 1 0 13 1989 5 4 1 2 1 0 0 0 0 0 4 3 20 1990 4 4 2 1 0 0 0 0 0 0 1 4 16 1991 7 3 9 0 0 0 0 0 0 3 1 4 27 1992 4 0 1 3 4 0 0 0 0 0 0 2 14 1993 9 3 2 3 1 0 0 0 0 0 0 1 19 1994 1 3 3 1 0 0 0 0 0 0 1 2 11 1995 3 *** *** 6 4 0 0 0 0 0 0 0 *** 1996 1 5 4 2 3 0 0 0 0 0 1 1 17 1997 0 0 2 0 2 1 0 0 0 1 0 2 8 1998 2 2 0 3 0 0 0 1 0 0 0 0 8 1999 8 1 5 2 0 0 *** *** 0 0 0 1 *** 2000 1 1 1 0 0 0 0 0 0 0 1 3 7 2001 2 1 3 0 1 0 0 0 0 0 2 5 14 2002 3 1 0 0 0 0 0 0 0 0 *** *** *** 2003 3 0 1 6 0 0 0 0 0 0 0 3 13 MEAN 3 2 2 2 1 0 0 0 0 0 1 2 13 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 13 STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 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 1988 1 3 3 3 0 0 0 0 0 0 1 0 11 1989 3 2 0 0 1 0 0 0 0 0 2 2 10 1990 3 3 2 1 0 0 0 0 0 0 1 4 14 1991 4 2 7 0 0 0 0 0 0 3 1 4 21 1992 4 0 1 3 4 0 0 0 0 0 0 2 14 1993 9 3 2 3 1 0 0 0 0 0 0 1 19 1994 1 3 3 1 0 0 0 0 0 0 1 1 10 1995 3 *** *** 6 4 0 0 0 0 0 0 0 *** 1996 1 5 4 2 3 0 0 0 0 0 1 0 16 1997 0 0 2 0 2 1 0 0 0 1 0 2 8 1998 2 2 0 3 0 0 0 1 0 0 0 0 8 1999 8 1 4 2 0 0 *** *** 0 0 0 1 *** 2000 1 0 1 0 0 0 0 0 0 0 1 3 6 2001 2 1 3 0 0 0 0 0 0 0 1 5 12 2002 3 1 0 0 0 0 0 0 0 0 *** *** *** 2003 3 0 0 2 0 0 0 0 0 0 0 3 8 MEAN 3 2 2 2 1 0 0 0 0 0 1 2 13 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 14 STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 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 1988 0 1 2 0 0 0 0 0 0 0 0 0 3 1989 1 0 0 0 0 0 0 0 0 0 0 0 1 1990 0 0 1 0 0 0 0 0 0 0 0 2 3 1991 0 1 2 0 0 0 0 0 0 0 0 0 3 1992 0 0 1 0 0 0 0 0 0 0 0 0 1 1993 2 1 0 0 0 0 0 0 0 0 0 0 3 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 *** 1996 1 1 0 0 0 0 0 0 0 0 0 0 2 1997 0 0 1 0 0 0 0 0 0 0 0 0 1 1998 0 1 0 0 0 0 0 0 0 0 0 0 1 1999 2 1 1 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 *** *** *** 2003 0 0 0 0 0 0 0 0 0 0 0 1 1 MEAN 0 0 1 0 0 0 0 0 0 0 0 0 1 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 15 STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1988 70 61 52 44 38 33 31 30 33 45 53 63 46 1989 74 72 51 34 32 32 33 28 25 32 56 56 44 1990 71 62 51 37 25 21 24 24 26 43 53 70 42 1991 80 72 71 52 37 32 32 32 35 58 61 74 53 1992 72 62 69 57 51 25 22 27 37 38 56 71 49 1993 85 65 62 65 44 27 30 38 41 47 56 60 52 1994 60 53 56 46 35 30 37 49 39 65 52 64 49 1995 61 *** *** 62 58 47 43 51 61 61 63 70 *** 1996 76 82 74 54 50 43 40 46 55 52 59 67 58 1997 75 75 70 55 42 33 40 39 41 50 69 77 56 1998 75 76 66 42 42 28 35 41 49 50 62 69 53 1999 79 70 69 46 35 26 *** *** 22 32 58 63 *** 2000 52 44 41 29 21 23 27 31 29 47 65 80 41 2001 72 62 53 33 28 28 28 29 28 39 52 83 45 2002 74 58 47 46 33 24 28 28 27 33 *** *** *** 2003 73 62 50 50 31 24 22 27 35 37 52 75 45 MEAN 72 65 59 47 38 30 31 35 36 46 58 69 49 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 16 STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1988 47 38 30 23 18 16 17 13 16 20 28 32 25 1989 46 43 28 17 19 14 17 10 10 15 31 31 23 1990 51 39 27 17 13 13 13 10 10 25 23 43 24 1991 63 48 50 25 19 19 18 18 15 26 33 52 32 1992 57 33 46 28 23 14 8 13 16 25 30 45 28 1993 64 45 36 35 27 15 15 20 19 24 35 46 32 1994 37 30 30 21 17 15 23 40 18 35 32 18 26 1995 34 *** *** 40 37 32 27 39 53 55 55 62 *** 1996 69 56 55 37 38 25 23 30 35 36 43 54 42 1997 57 50 47 44 33 18 26 23 28 40 50 47 39 1998 51 53 54 17 33 23 17 22 16 33 37 36 33 1999 55 44 47 30 19 13 *** *** 11 7 19 43 *** 2000 48 41 24 14 13 14 15 16 18 29 43 48 27 2001 46 36 30 18 18 13 17 17 19 23 27 55 27 2002 49 29 19 27 19 16 17 15 16 24 *** *** *** 2003 45 30 28 25 20 14 15 16 20 19 25 49 26 MEAN 51 41 37 26 23 17 18 20 20 27 34 44 30 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 17 STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1988 50 42 35 28 18 18 17 13 18 23 33 37 28 1989 50 45 32 17 20 15 18 10 14 19 43 42 27 1990 58 46 30 17 13 13 11 11 14 28 29 49 27 1991 70 55 51 30 23 24 17 18 20 35 42 59 37 1992 59 38 52 33 31 13 7 13 38 31 35 57 34 1993 72 53 40 47 25 18 16 20 26 32 39 47 36 1994 45 37 39 27 25 16 23 39 24 42 39 31 32 1995 44 *** *** 46 47 35 28 44 50 52 56 66 *** 1996 71 66 60 36 35 28 29 33 37 46 49 59 46 1997 60 61 47 41 28 20 28 23 29 44 53 49 40 1998 61 62 54 19 33 20 15 18 23 38 44 43 36 1999 59 45 46 28 18 11 *** *** 17 11 27 54 *** 2000 48 52 27 17 15 14 14 18 19 35 53 58 31 2001 54 36 36 20 19 17 18 16 18 23 32 65 30 2002 61 37 23 31 20 17 21 17 20 29 *** *** *** 2003 54 39 29 29 19 15 16 17 23 24 38 59 30 MEAN 57 48 40 29 24 18 19 21 24 32 41 52 34 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 18 STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 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 1988 7 1 0 0 0 0 0 0 0 0 7 7 22 1989 21 16 0 0 0 0 0 0 0 0 0 8 45 1990 10 4 2 0 0 0 0 0 0 0 0 7 23 1991 9 8 0 0 0 0 0 0 0 0 *** *** *** 1992 7 8 2 0 *** 0 *** 0 0 0 *** 2 *** 1993 *** 3 1 0 0 0 0 0 0 0 4 1 *** 1994 7 2 0 *** 0 0 0 0 0 0 0 6 *** 1995 5 *** *** 0 0 0 0 0 0 0 4 4 *** 1996 13 0 0 0 0 0 0 0 0 0 7 6 26 1997 4 15 1 0 0 0 0 0 0 0 0 6 26 1998 11 3 0 0 0 0 0 0 0 0 0 16 30 1999 22 5 5 0 0 0 *** *** 0 0 1 18 *** 2000 7 12 0 0 0 0 0 0 0 0 7 5 31 2001 3 3 0 0 0 0 0 0 0 0 0 0 6 2002 7 3 0 0 0 0 0 0 0 0 *** *** *** 2003 3 0 1 0 0 0 0 0 0 0 3 6 13 MEAN 9 6 1 0 0 0 0 0 0 0 3 7 26 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 19 STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 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 1988 0 0 0 0 4 24 30 18 2 0 0 0 78 1989 0 0 0 0 2 20 26 10 0 0 0 0 58 1990 0 0 0 0 4 16 21 18 3 0 0 0 62 1991 0 0 0 0 0 18 22 13 0 0 *** *** *** 1992 0 0 0 0 *** 25 *** 13 0 0 *** 0 *** 1993 *** 0 0 1 13 26 28 18 2 0 0 0 *** 1994 0 0 0 *** 15 27 31 22 5 0 0 0 *** 1995 0 *** *** 0 2 21 28 14 3 1 0 0 *** 1996 0 0 0 1 8 28 31 25 7 0 0 0 100 1997 0 0 0 0 5 23 23 9 5 0 0 0 65 1998 0 0 0 0 1 9 22 24 14 0 0 0 70 1999 0 0 0 0 0 6 *** *** 1 0 0 0 *** 2000 0 0 0 0 0 1 11 2 2 0 0 0 16 2001 0 0 0 0 7 16 27 17 6 0 0 0 73 2002 0 0 0 1 4 24 30 26 5 0 *** *** *** 2003 0 0 0 0 4 23 31 24 0 0 0 0 82 MEAN 0 0 0 0 5 19 26 17 3 0 0 0 70 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 20 STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 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 1988 0 0 0 0 0 0 0 0 0 0 0 0 0 1989 0 0 0 0 0 0 0 0 0 0 0 0 0 1990 0 0 0 0 0 0 0 0 0 0 0 0 0 1991 0 0 0 0 0 0 0 0 0 0 0 0 0 1992 0 0 0 0 0 0 0 0 0 0 *** 0 *** 1993 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 *** *** *** *** 1996 11 *** 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 *** 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 *** *** *** 2003 0 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 1 0 0 0 0 0 0 0 0 0 0 0 1 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 21 STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 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 1988 0 0 1 13 31 30 31 31 30 18 1 0 186 1989 0 0 0 9 26 30 31 31 27 18 0 0 172 1990 0 0 0 12 30 30 31 31 30 12 1 0 177 1991 0 0 0 13 26 30 31 31 25 3 0 0 159 1992 0 0 0 4 19 30 31 29 29 3 *** 0 *** 1993 0 *** 0 *** *** 30 31 *** 30 *** *** 0 *** 1994 0 0 0 10 29 30 31 31 23 2 0 0 156 1995 0 *** *** 4 23 30 31 31 28 *** *** *** *** 1996 0 *** 0 8 21 30 31 31 30 11 0 0 *** 1997 0 0 0 1 27 30 31 27 30 18 0 0 164 1998 0 0 0 17 13 30 31 31 28 18 0 0 168 1999 0 0 0 1 31 30 *** *** 29 29 3 0 *** 2000 0 0 0 20 31 30 31 31 30 11 0 0 184 2001 0 0 1 28 30 30 31 31 29 24 0 0 204 2002 0 0 2 11 31 30 31 31 30 23 *** *** *** 2003 0 0 1 12 26 30 31 31 30 28 0 0 189 MEAN 0 0 0 11 26 30 31 31 29 16 0 0 174 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 22 STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 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 1988 0 0 0 0 2 14 25 17 6 0 0 0 64 1989 0 0 0 0 6 22 19 17 5 0 0 0 69 1990 0 0 0 0 5 23 19 23 6 0 0 0 76 1991 0 0 0 0 0 9 23 12 3 0 0 0 47 1992 0 0 0 0 0 10 22 1 0 0 *** 0 *** 1993 0 *** 0 *** *** 21 16 *** 0 *** *** 0 *** 1994 0 0 0 0 0 10 21 16 0 0 0 0 47 1995 0 *** *** 0 0 6 28 24 0 *** *** *** *** 1996 0 *** 0 0 0 9 5 7 0 0 0 0 *** 1997 0 0 0 0 0 12 31 23 0 0 0 0 66 1998 0 0 0 0 0 22 31 16 2 0 0 0 71 1999 0 0 0 0 0 22 *** *** 12 0 0 0 *** 2000 0 0 0 0 0 17 14 13 3 0 0 0 47 2001 0 0 0 0 2 18 15 21 6 0 0 0 62 2002 0 0 0 0 5 16 23 21 3 0 *** *** *** 2003 0 0 0 0 0 15 31 23 0 0 0 0 69 MEAN 0 0 0 0 1 15 22 17 3 0 0 0 58 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 23 STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 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 1988 0 0 0 0 0 0 4 0 0 0 0 0 4 1989 0 0 0 0 0 0 4 0 0 0 0 0 4 1990 0 0 0 0 0 1 0 0 0 0 0 0 1 1991 0 0 0 0 0 1 1 0 0 0 0 0 2 1992 0 0 0 0 0 0 0 0 0 0 *** 0 *** 1993 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 3 0 0 *** *** *** *** 1996 0 *** 0 0 0 0 0 0 0 0 0 0 *** 1997 0 0 0 0 0 0 6 0 0 0 0 0 6 1998 0 0 0 0 0 1 20 0 0 0 0 0 21 1999 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 1 6 0 0 0 0 0 7 2002 0 0 0 0 0 0 2 0 0 0 *** *** *** 2003 0 0 0 0 0 0 8 1 0 0 0 0 9 MEAN 0 0 0 0 0 0 4 0 0 0 0 0 4 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 24 STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 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 -------------- 1988 15 12 2 0 0 0 0 0 0 0 12 18 59 11 16 3 8 1989 30 25 2 0 0 0 0 0 0 0 7 22 86 11 19 3 2 1990 24 12 8 0 0 0 0 0 0 0 14 26 84 11 15 3 23 1991 22 24 3 0 0 0 0 0 0 0 *** *** *** 1 1 3 13 1992 22 17 9 0 *** 0 *** 0 0 0 *** 13 *** 12 1 3 13 1993 *** 8 4 0 0 0 0 0 0 0 10 22 *** 11 14 3 25 1994 21 16 0 *** 0 0 0 0 0 0 5 13 *** 11 11 2 27 1995 21 *** *** 0 0 0 0 0 0 0 6 19 *** 11 14 1 30 1996 21 8 2 0 0 0 0 0 0 0 26 20 77 11 1 3 16 1997 25 22 10 1 0 0 0 0 0 0 2 22 82 11 26 4 14 1998 25 14 7 0 0 0 0 0 0 0 0 22 68 12 7 3 12 1999 27 21 11 2 0 0 *** *** 0 0 7 27 *** 11 13 4 13 2000 11 24 14 0 0 0 0 0 0 0 13 17 79 11 13 3 29 2001 22 17 0 0 0 0 0 0 0 0 1 9 49 11 23 2 26 2002 15 10 5 0 0 0 0 0 0 0 *** *** *** 1 10 3 11 2003 19 7 3 0 0 0 0 0 0 0 12 12 53 11 16 3 4 MEAN 21 16 5 0 0 0 0 0 0 0 9 19 70 11 1 4 14 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 25 STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 MET. AVERAGE OF DRY BULB TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1988 6.1 9.1 14.8 20.4 28.8 32.6 34.7 32.4 27.5 20.5 13.9 8.5 20.8 1989 2.9 4.3 14.3 20.7 26.1 33.4 34.5 31.4 26.4 20.5 13.2 8.7 19.7 1990 4.4 7.9 13.1 20.8 29.2 33.3 33.7 33.6 27.7 20.1 14.0 7.1 20.4 1991 5.4 6.3 12.9 21.6 26.8 32.2 33.9 31.3 26.4 19.4 12.6 7.7 19.7 1992 3.8 7.3 10.1 18.7 23.4 32.3 34.4 30.1 24.6 18.8 13.6 7.5 18.7 1993 3.2 8.7 12.4 20.8 26.6 32.7 33.4 31.4 26.9 17.1 11.2 7.1 19.3 1994 7.6 8.4 14.7 21.4 27.2 32.8 35.3 33.7 24.3 19.7 14.9 9.1 20.8 1995 8.0 ****** ****** 19.8 25.5 31.5 36.3 32.8 26.3 18.5 14.1 5.3 ****** 1996 0.7 8.2 11.5 20.7 27.0 32.9 32.7 32.3 28.9 19.2 11.0 9.3 19.5 1997 7.3 7.2 11.5 19.5 26.5 33.0 37.0 33.1 27.8 22.6 13.6 7.0 20.5 1998 3.8 8.0 13.1 21.4 21.6 34.7 37.9 33.4 27.8 21.7 14.3 9.2 20.6 1999 6.0 10.9 12.6 20.0 28.4 33.9 ****** ****** 23.7 24.7 15.7 7.4 ****** 2000 6.0 6.4 15.4 25.1 30.8 32.7 33.1 31.5 29.4 19.7 11.1 8.1 20.8 2001 5.8 9.6 16.7 24.8 29.7 32.9 34.7 32.0 28.1 22.3 13.5 9.4 21.6 2002 6.7 10.5 16.1 21.2 28.5 32.9 34.2 33.9 29.1 22.1 ****** ****** ****** 2003 6.9 11.0 14.7 22.0 26.0 33.6 37.3 33.1 27.2 22.6 11.5 7.2 21.1 MEAN 5.3 8.2 13.6 21.2 27.0 33.0 34.9 32.4 27.0 20.6 13.2 7.9 20.4 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 26 STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 MET. AVERAGE OF DEW POINT TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1988 -3.6 -2.6 -0.1 1.7 5.3 7.2 8.7 3.6 2.5 0.5 -1.2 -4.2 1.5 1989 -5.6 -5.2 -1.0 -2.9 2.2 6.0 8.7 0.7 -3.3 -3.6 -0.4 -4.2 -0.7 1990 -3.4 -3.5 -3.5 -2.8 0.2 3.0 3.0 1.6 -1.8 1.9 -2.7 -3.0 -0.9 1991 0.3 -1.8 4.0 4.1 4.6 8.7 8.3 5.9 1.9 3.5 -0.4 0.1 3.3 1992 -3.2 -5.5 0.7 2.4 4.9 2.5 -1.2 1.0 3.3 0.7 -0.9 -1.5 0.3 1993 -1.6 -0.8 -0.2 8.1 6.6 5.6 5.8 7.5 5.9 0.4 -1.5 -2.7 2.8 1994 -3.5 -5.4 0.1 1.9 4.4 6.1 12.8 18.0 2.8 6.8 0.7 -8.2 3.0 1995 -3.9 ****** ****** 7.9 12.3 14.5 16.3 18.2 15.6 8.7 5.1 -0.8 ****** 1996 -4.3 2.1 4.2 6.4 11.5 12.4 12.3 14.5 13.4 6.0 0.5 1.5 6.7 1997 0.6 -0.4 1.9 6.9 8.3 8.3 15.8 10.9 9.2 9.3 4.8 -1.5 6.2 1998 -3.5 0.8 4.5 -0.8 4.3 10.1 10.4 9.5 5.3 6.7 2.6 -2.1 4.0 1999 -0.9 1.0 1.8 2.6 4.2 3.8 ****** ****** -5.1 -6.9 -2.3 -2.2 ****** 2000 -4.9 -5.1 -2.6 -1.4 1.4 3.0 4.9 5.7 4.7 3.5 1.3 0.4 0.9 2001 -2.8 -3.3 1.5 1.5 3.9 4.7 8.1 5.2 2.9 1.6 -2.2 3.0 2.0 2002 -1.3 -3.7 -4.1 2.8 4.5 5.4 8.2 6.7 3.6 2.6 ****** ****** ****** 2003 -2.3 -2.5 -1.9 3.3 2.3 4.5 8.4 6.1 4.7 1.2 -3.4 -0.9 1.6 MEAN -2.7 -2.4 0.4 2.6 5.1 6.6 8.7 7.7 4.1 2.7 0.0 -1.8 2.6 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 27 STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 MET. AVERAGE OF MIXING RATIO IN G/KG YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1988 3.57 3.66 4.39 5.00 6.37 7.22 8.03 5.72 5.26 4.61 4.27 3.25 5.11 1989 2.89 3.00 4.03 3.57 5.18 6.71 8.16 4.57 3.48 3.40 4.55 3.35 4.41 1990 3.45 3.46 3.45 3.69 4.52 5.39 5.42 5.00 3.90 5.07 3.61 3.53 4.21 1991 4.58 3.90 5.96 5.87 6.07 8.23 7.75 6.89 5.06 5.72 4.27 4.51 5.73 1992 3.54 3.00 4.84 5.29 6.32 5.31 4.26 4.86 6.30 4.64 4.31 4.08 4.73 1993 3.92 4.27 4.52 8.20 7.30 6.58 6.77 7.58 6.75 4.60 4.14 3.68 5.69 1994 3.45 2.99 4.55 5.20 6.02 6.74 10.57 16.50 5.34 7.32 4.77 2.85 6.36 1995 3.38 ****** ****** 7.97 10.73 12.12 13.63 15.80 14.07 9.43 7.20 4.18 ****** 1996 3.35 5.21 6.10 7.07 10.13 10.57 10.30 12.24 11.70 7.13 4.82 5.19 7.82 1997 4.69 4.48 5.19 7.46 8.02 7.97 13.74 9.53 8.55 8.74 6.51 4.07 7.41 1998 3.52 4.77 6.34 4.21 6.51 9.15 9.60 9.03 6.66 7.32 5.51 3.84 6.37 1999 4.23 4.77 5.13 5.51 6.09 5.77 ****** ****** 3.25 2.82 3.68 3.84 ****** 2000 3.20 3.03 3.66 4.20 4.92 5.49 6.27 6.56 6.11 5.87 4.85 4.59 4.90 2001 3.60 3.56 4.93 4.97 5.93 6.27 7.73 6.38 5.52 5.12 3.78 5.51 5.28 2002 4.06 3.39 3.50 5.62 6.08 6.45 7.78 7.01 5.86 5.42 ****** ****** ****** 2003 3.76 3.67 3.95 5.67 5.34 6.07 7.81 6.70 6.17 4.81 3.57 4.20 5.14 MEAN 3.70 3.81 4.70 5.59 6.60 7.25 8.52 8.29 6.50 5.75 4.66 4.04 5.78 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 28 STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 MET. AVERAGE OF VAPOUR PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1988 5.10 5.24 6.29 7.17 9.14 10.36 11.51 8.23 7.56 6.61 6.11 4.65 7.33 1989 4.13 4.29 5.78 5.13 7.44 9.63 11.70 6.58 5.01 4.89 6.50 4.80 6.32 1990 4.92 4.94 4.94 5.29 6.51 7.76 7.81 7.20 5.61 7.27 5.18 5.04 6.04 1991 6.53 5.57 8.50 8.40 8.71 11.79 11.13 9.88 7.27 8.19 6.11 6.44 8.21 1992 5.05 4.29 6.91 7.57 9.04 7.64 6.15 6.99 9.00 6.65 6.18 5.82 6.77 1993 5.60 6.10 6.46 11.68 10.44 9.45 9.73 10.86 9.67 6.59 5.92 5.25 8.15 1994 4.93 4.29 6.51 7.45 8.64 9.68 15.10 23.22 7.67 10.45 6.82 4.07 9.07 1995 4.83 ****** ****** 11.36 15.24 17.23 19.34 22.33 19.84 13.35 10.24 5.97 ****** 1996 4.78 7.43 8.70 10.10 14.42 15.08 14.70 17.39 16.60 10.17 6.88 7.40 11.14 1997 6.70 6.39 7.41 10.64 11.46 11.42 19.49 13.61 12.22 12.46 9.29 5.82 10.58 1998 5.03 6.81 9.04 6.04 9.31 13.09 13.68 12.90 9.53 10.45 7.87 5.49 9.10 1999 6.04 6.81 7.32 7.89 8.73 8.31 ****** ****** 4.68 4.06 5.28 5.49 ****** 2000 4.57 4.33 5.25 6.04 7.08 7.89 9.01 9.43 8.78 8.40 6.92 6.55 7.02 2001 5.14 5.09 7.06 7.13 8.52 9.02 11.09 9.16 7.93 7.34 5.42 7.86 7.56 2002 5.80 4.85 5.01 8.05 8.73 9.27 11.15 10.08 8.42 7.77 ****** ****** ****** 2003 5.37 5.25 5.65 8.12 7.67 8.72 11.22 9.62 8.85 6.91 5.11 5.99 7.37 MEAN 5.28 5.45 6.72 8.01 9.44 10.40 12.19 11.83 9.29 8.22 6.65 5.78 8.27 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 29 STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 MET. AVERAGE OF SATURATION DEFICIT PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1988 5.03 7.09 11.78 18.65 32.28 41.10 45.94 43.12 32.15 19.60 11.85 7.50 23.01 1989 3.88 4.80 11.55 21.05 29.14 44.67 45.56 42.36 32.93 21.63 9.94 7.64 22.93 1990 3.94 6.50 11.81 21.05 36.21 45.86 46.58 47.87 35.42 18.48 12.76 6.42 24.41 1991 2.87 4.76 7.06 19.08 28.39 38.24 44.28 39.11 30.93 15.94 10.05 4.93 20.47 1992 3.41 6.89 6.44 15.59 21.63 42.52 50.55 38.13 24.24 16.60 11.47 5.13 20.22 1993 2.55 5.91 9.11 14.49 26.38 42.77 44.21 38.19 29.03 14.80 8.91 5.64 20.16 1994 6.39 7.71 11.47 20.10 29.02 42.41 44.65 32.60 24.99 13.95 11.61 8.99 21.16 1995 6.75 ****** ****** 12.99 19.03 31.26 44.16 31.28 17.21 10.55 8.15 3.26 ****** 1996 2.47 4.17 6.00 16.32 23.27 37.28 36.64 33.85 26.37 14.08 7.54 5.45 17.79 1997 4.34 5.03 7.24 13.70 25.02 40.74 46.55 41.06 28.26 17.38 7.71 5.16 20.18 1998 3.50 4.70 7.28 21.84 18.84 45.24 55.78 41.82 30.38 18.57 10.19 7.20 22.11 1999 3.80 7.31 8.22 16.80 32.22 46.64 ****** ****** 26.35 29.99 14.68 5.19 ****** 2000 5.04 5.83 13.68 28.06 39.31 43.81 44.01 39.80 34.70 16.13 7.21 4.94 23.54 2001 4.87 7.72 13.56 25.97 35.55 43.55 46.33 41.11 32.50 21.18 11.35 4.59 24.02 2002 4.87 8.99 15.04 19.16 32.50 42.64 45.02 45.57 34.93 20.99 ****** ****** ****** 2003 5.46 8.99 12.49 20.31 27.42 45.19 54.85 43.09 29.66 22.95 10.01 4.99 23.78 MEAN 4.32 6.43 10.18 19.07 28.51 42.12 46.34 39.93 29.38 18.30 10.23 5.80 21.72 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 30 STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 MET. AVERAGE OF RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1988 56 47 39 32 25 22 22 18 22 29 38 44 33 1989 57 53 37 23 24 20 22 16 16 22 43 43 31 1990 60 49 36 24 17 16 16 15 17 32 35 54 31 1991 71 59 57 35 26 25 22 22 24 39 45 62 41 1992 63 45 56 39 35 17 13 18 30 31 40 58 37 1993 74 54 46 49 32 20 20 26 29 34 43 51 40 1994 47 40 41 31 25 20 27 42 27 47 41 37 35 1995 47 *** *** 50 48 38 33 44 54 56 58 66 *** 1996 72 68 63 42 41 32 31 36 42 44 51 60 49 1997 64 62 55 47 34 24 31 28 33 45 57 58 45 1998 63 64 58 26 36 23 22 27 29 40 48 49 40 1999 64 53 54 34 24 17 *** *** 17 17 35 53 *** 2000 49 45 31 20 16 17 19 21 22 37 54 62 33 2001 57 45 40 24 21 19 21 21 22 28 37 67 34 2002 60 41 30 35 24 19 22 20 21 29 *** *** *** 2003 58 44 36 35 24 17 18 20 26 27 39 61 34 MEAN 60 51 45 34 28 22 23 25 27 35 44 55 37 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 31 STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 MET. AVERAGE OF MAXIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1988 78 63 54 46 38 33 32 30 33 45 54 64 48 1989 74 73 51 35 34 32 33 28 25 32 59 57 44 1990 72 63 52 39 25 22 24 24 26 44 53 72 43 1991 81 74 74 52 37 32 32 32 35 58 62 76 54 1992 75 63 70 58 53 26 23 29 42 40 57 74 51 1993 88 69 64 67 46 28 30 39 41 48 57 60 53 1994 60 54 58 46 36 30 37 51 39 65 53 65 50 1995 64 *** *** 63 61 52 46 55 67 73 72 76 *** 1996 86 83 76 56 53 45 42 47 56 56 62 71 61 1997 75 79 72 59 45 35 42 41 42 53 71 77 58 1998 79 78 70 42 47 30 37 42 49 53 63 71 55 1999 81 70 71 48 35 26 *** *** 25 33 58 66 *** 2000 64 54 43 29 22 23 27 31 30 49 69 81 44 2001 73 64 56 33 29 29 29 31 30 40 54 84 46 2002 78 60 49 50 34 25 30 28 28 36 *** *** *** 2003 74 63 50 51 33 24 23 27 38 38 54 80 46 MEAN 75 67 61 48 39 31 32 36 38 48 60 72 51 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 32 STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 MET. AVERAGE OF MINIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1988 38 35 29 22 17 16 16 12 15 20 27 31 23 1989 46 41 28 15 16 14 15 10 10 15 30 30 23 1990 49 38 24 14 12 12 11 10 10 23 22 41 22 1991 62 45 45 24 18 19 16 16 14 25 33 49 31 1992 52 32 45 26 22 11 7 11 16 24 26 43 26 1993 61 43 33 34 20 13 14 16 19 24 33 42 29 1994 37 28 29 20 16 14 21 36 18 34 30 13 25 1995 33 *** *** 38 34 29 24 37 43 40 44 55 *** 1996 59 55 50 31 31 23 22 28 32 32 40 47 38 1997 54 47 41 34 24 16 23 19 25 37 46 42 34 1998 46 51 46 16 26 18 13 17 15 31 34 33 29 1999 49 40 42 23 16 11 *** *** 10 6 18 41 *** 2000 36 37 22 13 12 13 13 15 17 26 42 47 24 2001 44 31 29 18 15 12 15 14 16 19 25 53 24 2002 44 27 16 24 17 15 16 15 16 23 *** *** *** 2003 43 29 24 25 16 13 14 15 18 18 25 46 24 MEAN 47 39 34 24 20 16 16 18 18 25 32 41 28 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 33 STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 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 1988 0 2 2 0 0 0 0 0 0 0 0 0 4 1989 1 1 0 0 0 0 0 0 0 0 0 0 2 1990 0 1 1 0 0 0 0 0 0 0 0 2 4 1991 2 1 2 0 0 0 0 0 0 0 1 2 8 1992 0 0 1 1 2 0 0 0 0 0 0 0 4 1993 3 1 2 0 1 0 0 0 0 0 0 0 7 1994 1 1 1 0 0 0 0 0 0 0 1 0 4 1995 0 *** *** 2 1 0 0 0 0 0 0 0 *** 1996 1 3 2 0 0 0 0 0 0 0 1 0 7 1997 0 0 1 0 0 0 0 0 0 0 0 0 1 1998 2 1 0 1 0 0 0 1 0 0 0 0 5 1999 2 1 3 1 0 0 *** *** 0 0 0 0 *** 2000 1 0 0 0 0 0 0 0 0 0 1 0 2 2001 1 0 1 0 0 0 0 0 0 0 0 2 4 2002 0 0 0 0 0 0 0 0 0 0 *** *** *** 2003 2 0 0 0 0 0 0 0 0 0 0 3 5 MEAN 1 1 1 0 0 0 0 0 0 0 0 1 4 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 34 STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 MET. HIGHEST AND LOWEST LIMITS FOR 16 YEARS DURING 1988-2003 ELE- JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MENT --------------------------------------------------------------------------------------------- NO. HIG. DRY 03 16.2 15.8 23.8 24.4 31.2 34.8 33.4 32.2 31.0 22.4 19.4 16.8 1 YEAR - DAY 2002- 8 2002-14 1998-30 2002-30 1998-22 2000-21 1989- 7 1998- 1 2001- 4 1995- 5 1994- 6 2001-21 LOW. DRY 03 -14.2 -10.8 -5.2 0.2 6.4 17.2 18.0 12.6 7.2 1.4 -6.0 -10.2 2 YEAR - DAY 1996-18 1989- 8 1990- 1 1997-14 1998- 3 1990- 2 1995-28 1991-26 1989-25 1995-29 1993-30 1988-30 HIG. WET 03 9.8 11.6 16.4 19.2 21.0 22.0 30.4 22.4 23.6 15.2 13.0 12.2 3 YEAR - DAY 2002- 8 1998-11 1998-18 1993-21 1995-13 1995-26 1995-13 1994- 6 1995- 1 1996-14 1994- 6 1994- 1 LOW. WET 03 -14.2 -11.0 -7.6 -1.8 1.2 8.6 9.4 6.0 1.2 -0.5 -8.2 -10.4 4 YEAR - DAY 1996-18 1989- 7 1990- 1 1997-14 1998- 4 1990- 2 1992-27 1991-26 1989-25 1993- 9 1995-27 1988-30 HIG. DRY 09 22.6 25.8 30.0 35.8 40.2 44.8 46.2 43.4 40.6 37.2 32.2 24.6 5 YEAR - DAY 1994- 4 1999-22 1988-21 2000-13 2002-30 1998-22 1998-13 1990-20 1991- 8 1998- 2 1999-27 2003-19 LOW. DRY 09 -5.4 0.0 4.0 7.2 13.2 27.2 31.0 21.2 21.4 18.4 8.2 0.0 6 YEAR - DAY 1996-17 1989- 3 1990-20 1992- 8 1989- 1 2000-14 2000-29 2001-23 1999-20 1989-21 1992-27 1990-27 HIG. WET 09 14.2 20.4 21.4 22.8 29.4 28.8 36.0 38.2 35.5 31.0 25.6 18.2 7 YEAR - DAY 1997- 7 1996- 8 1996-11 1993-20 1996-15 1998- 9 1995-23 1994-18 1995-11 1995- 4 1995- 4 1996-27 LOW. WET 09 -6.0 -0.2 2.0 6.2 7.4 14.0 15.4 14.6 10.2 8.4 4.2 -1.0 8 YEAR - DAY 1996-16 1989- 3 1990-20 1992- 8 1998- 6 2000-14 1990-13 1992-19 1999-20 1989-21 1993-17 1992-29 HIG. DRY 15 19.0 21.2 26.4 32.4 39.4 42.8 44.4 41.4 38.8 34.0 29.0 20.2 9 YEAR - DAY 2002- 7 1993-28 2002-27 2000-11 2001- 1 1993-25 1998-11 1998-19 1997- 4 2003- 4 1999-19 1994- 3 LOW. DRY 15 -9.2 0.0 3.0 7.2 11.2 20.0 25.2 3.9 18.2 10.8 5.0 -2.2 10 YEAR - DAY 1996-17 1989- 4 1992-10 1992- 8 1998- 6 1995- 4 2002- 1 1997- 7 1995-13 1995-22 1992-27 1997-30 HIG. WET 15 11.2 14.2 18.4 22.8 28.0 33.2 42.4 31.2 28.4 27.6 19.8 15.2 11 YEAR - DAY 2002- 7 1998- 8 1996-30 1993-11 1996-16 1995-12 1998-13 1994- 5 1995-11 1995- 4 1995- 4 1994- 3 LOW. WET 15 -9.2 -2.4 1.2 6.0 5.4 13.8 13.8 2.6 9.4 6.4 -0.2 -3.8 12 YEAR - DAY 1996-17 1989- 4 1992-10 1994- 5 1998- 6 2000-14 1993-21 1997- 7 1999-20 1995-22 1992-27 1997-28 HIG. MIN. 15.5 13.0 18.2 21.5 31.2 31.2 31.2 30.6 25.8 21.4 18.4 14.0 13 YEAR - DAY 2002- 8 1994- 1 1998-18 2002-30 1998-22 1996- 5 1995- 9 1995- 9 1995- 1 1995- 5 1994- 6 1994- 4 LOW. MIN. -14.2 -13.0 -5.8 -1.2 3.0 10.6 9.4 10.2 6.0 0.4 -10.2 -10.5 14 YEAR - DAY 1996-18 1997- 8 1999- 7 1997-14 1989- 2 2000-18 2000-20 2000-20 1989-26 1993- 8 1996-19 1988-31 HIG. MAX. 25.5 27.8 31.0 37.0 41.5 46.5 48.0 45.0 43.0 39.5 33.0 26.0 15 YEAR - DAY 2002- 7 1992-25 1988-21 2002-28 1989-26 1998-22 1998-19 2003- 2 1999-15 2000-25 1999-27 2001-20 LOW. MAX. -5.4 5.5 8.0 15.5 19.5 30.0 34.5 28.4 24.0 21.0 12.0 0.2 16 YEAR - DAY 1996-17 1989- 3 1992-11 1992- 8 1992- 2 2000-13 1988-28 1992-31 1991-27 1992- 8 2003-30 1990-27 HIG. PPTN 18.0 29.0 65.0 9.0 9.0 1.0 0.0 8.0 0.0 4.0 9.0 29.0 17 YEAR - DAY 1989- 3 1988- 3 1991- 1 1992- 8 1992-12 1997-23 999-** 1998- 4 999-** 1991-17 2000- 6 1990-27 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 35 STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 MET. HIGHEST LIMITS OF ABSOLUTE DIFFERENCES FOR 16 YEARS DURING 1988-2003 ELE- JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MENT --------------------------------------------------------------------------------------------- NO. DRY 09 - DRY 03 26.8 29.0 23.0 22.6 20.6 19.2 21.8 22.4 25.2 23.6 29.2 24.0 18 YEAR - DAY 2003-15 1999-22 1990- 1 2000-13 2002-29 1999-27 1995-28 1996-27 1991- 3 1994-14 1999-27 1998-24 DRY 15 - DRY 09 13.6 13.4 13.0 11.6 11.8 13.6 12.8 37.3 15.6 13.0 15.8 15.6 19 YEAR - DAY 1998- 9 1996-10 1990- 9 2002-10 1999- 5 1995- 4 2002- 1 1997- 7 1998-23 1995-30 1995-13 1997-30 DRY 15 - DRY 03 18.4 18.2 21.0 23.6 20.8 18.6 20.6 20.9 21.6 18.6 25.8 19.2 20 YEAR - DAY 2003-15 1997-26 1997-21 1996- 2 2001- 1 1991-11 1995-29 1997- 7 1991- 3 1999-21 1999-27 1988-24 WET 09 - WET 03 17.6 21.2 19.2 16.0 19.0 14.0 17.6 19.8 24.8 24.4 20.2 19.0 21 YEAR - DAY 2003-15 1999-22 1996-11 1997-14 1995-26 1998- 9 1995-23 1994-18 1995-25 1995-12 1996- 3 1996-26 WET 15 - WET 09 11.2 14.0 11.4 7.2 15.2 9.4 16.8 24.6 17.2 11.8 12.2 11.6 22 YEAR - DAY 1998-15 1996-10 1996-11 1995- 5 1993-13 1998- 9 1998-13 1997- 7 1995- 9 1995- 8 1995-24 1997-30 WET 15 - WET 03 14.6 14.4 20.2 15.2 17.0 14.8 23.2 15.4 20.4 16.2 21.2 15.2 23 YEAR - DAY 2003-15 1997- 2 1997-21 1997-14 1995-26 1995-12 1998-13 1996- 7 1995-12 1995- 3 1995-27 1996-26 DAY BY DAY DRY 03 15.8 17.4 14.0 12.4 14.2 9.4 10.8 9.4 13.4 12.8 22.6 18.0 24 YEAR - DAY 2002- 9 1999-22 1997-29 1996-13 1998-23 2000-21 1997- 1 1995-10 1997-16 1995- 6 1993-14 1989- 6 DAY BY DAY WET 03 12.4 13.8 10.2 9.2 9.8 7.6 11.8 8.6 11.2 7.6 18.6 13.4 25 YEAR - DAY 1992- 4 1999-22 1997-29 1995- 4 1995-27 1995- 6 1995-14 2000-19 1995- 1 1994-16 1993-14 1989- 6 DAY BY DAY DRY 09 12.6 17.4 12.0 15.2 13.4 9.8 7.4 19.0 11.2 12.4 14.0 12.8 26 YEAR - DAY 1996-12 1988- 3 1990-10 1996- 4 1989- 9 1993-25 1988-14 2001-23 2003-11 2003- 4 1999-28 2003-21 DAY BY DAY WET 09 8.4 8.4 11.6 8.8 12.2 5.4 10.4 10.6 12.0 13.2 8.2 8.6 27 YEAR - DAY 1996-12 1996- 8 1996-12 1995- 6 1998- 6 1998- 9 1995-23 1998-23 1995-12 1995-13 1995-26 1997-10 DAY BY DAY DRY 15 9.4 15.2 11.6 12.2 14.6 11.2 14.6 35.1 14.8 10.0 13.0 11.6 28 YEAR - DAY 1995- 1 1988- 3 1996-25 1991- 2 1999- 6 2000-15 2002- 1 1997- 7 1995-13 2003- 6 1999-28 2003-21 DAY BY DAY WET 15 7.6 10.0 12.0 9.0 10.0 10.4 18.6 18.0 15.6 9.2 8.2 8.2 29 YEAR - DAY 2002- 9 1993-16 1996-30 2002-13 1996- 9 1997-29 1998-13 1997- 7 1992- 9 1995- 5 1992-26 1994-21 DAY BY DAY MIN. 15.1 14.0 16.2 12.6 18.8 9.6 10.0 10.0 13.0 12.4 21.4 14.0 30 YEAR - DAY 2002- 9 1994- 1 1998-18 2001-22 1998-23 1989- 6 1989-21 1990-12 1997-16 1995- 6 1993-14 2001-22 DAY BY DAY MAX. 12.7 15.8 11.8 12.0 8.5 9.0 5.5 8.5 10.5 9.5 13.8 12.0 31 YEAR - DAY 1996-12 1992-26 1996-11 1998- 6 1992- 4 2000-15 1990- 5 2001-12 1989-23 2000-25 1999-28 2003-21 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 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. 6.0 8.1 13.7 19.3 26.7 30.9 33.3 30.4 26.2 19.6 13.1 7.4 19.6 AVERAGE OF MINIMUM TEMPERATURE IN C. -2.5 0.5 5.4 11.4 17.9 22.2 25.0 21.0 15.8 9.0 3.1 -1.7 10.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. 14.4 15.7 22.0 27.3 35.5 39.5 41.6 39.9 36.6 30.2 23.0 16.4 28.5 DIFFERENCE BETWEEN AVERAGE MAXIMUM 16.9 15.2 16.6 15.9 17.6 17.3 16.6 18.9 20.8 21.2 19.9 18.1 17.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.64 3.29 3.89 4.70 6.91 7.38 7.91 6.25 4.62 4.12 3.36 2.85 4.83 MEAN OF MIXING RATIO AT 09 GMT. 4.39 3.97 4.63 5.06 6.36 7.01 8.27 5.75 5.70 5.13 5.06 3.65 5.41 MEAN OF MIXING RATIO AT 15 GMT. 3.68 3.73 4.66 5.24 5.84 7.26 7.91 5.18 5.47 4.56 4.37 3.24 5.10 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -7.5 -4.0 -1.0 5.0 14.5 17.5 20.5 12.5 10.5 5.5 -5.5 -10.5 -10.5 DAY 14 28 7 4 8 9 10 12 27 29 27 31 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 18.0 25.5 31.0 33.5 41.0 42.5 46.0 44.0 42.0 33.5 30.0 22.5 46.0 DAY 29 2 21 20 28 14 13 3 12 7 4 11 24 HOUR MAXIMUM PRECIPITATION IN MM. 2.0 29.0 22.0 4.0 0.0 0.0 0.0 0.0 0.0 0.0 1.0 0.0 29.0 DAY 18 3 23 26 ** ** ** ** ** ** 28 ** MONTHLY TOTAL PRECIPITATION IN MM. 2.0 38.0 38.0 10.0 0.0 0.0 0.0 0.0 0.0 0.0 1.0 0.0 89.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 87.6 11.2 0.0 1.1 NO. OF DAYS WITH PRECIPITATION. 1 4 3 4 0 0 0 0 0 0 1 0 13 NO. OF DAYS PRECIPITATION EQUAL 1 3 3 3 0 0 0 0 0 0 1 0 11 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 1 2 0 0 0 0 0 0 0 0 0 3 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 70 61 52 44 38 33 31 30 33 45 53 63 46 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 47 38 30 23 18 16 17 13 16 20 28 32 25 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 50 42 35 28 18 18 17 13 18 23 33 37 28 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 7 1 0 0 0 0 0 0 0 0 7 7 22 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 4 24 30 18 2 0 0 0 78 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 1 13 31 30 31 31 30 18 1 0 186 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 2 14 25 17 6 0 0 0 64 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 4 0 0 0 0 0 4 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 15 12 2 0 0 0 0 0 0 0 12 18 59 DATE OF START AND END FREEZING START = 16 NOV. END = 8 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 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. 2.0 3.2 13.0 18.9 24.0 30.9 32.6 29.4 25.4 19.5 12.7 8.0 18.3 AVERAGE OF MINIMUM TEMPERATURE IN C. -5.3 -5.2 4.1 9.7 14.5 20.8 24.1 19.3 14.3 8.5 3.8 -1.0 9.0 AVERAGE OF MAXIMUM TEMPERATURE IN C. 9.3 11.6 21.9 28.1 33.5 41.0 41.0 39.6 36.4 30.4 21.5 17.0 27.6 DIFFERENCE BETWEEN AVERAGE MAXIMUM 14.6 16.8 17.8 18.4 19.0 20.2 16.9 20.3 22.1 21.9 17.7 18.0 18.6 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.46 2.57 3.64 3.55 4.77 6.96 8.31 5.11 3.29 2.82 3.81 2.72 4.17 MEAN OF MIXING RATIO AT 09 GMT. 3.25 3.37 4.29 3.81 5.47 6.65 8.36 4.48 3.44 3.84 4.75 3.68 4.62 MEAN OF MIXING RATIO AT 15 GMT. 2.96 3.07 4.18 3.36 5.30 6.50 7.82 4.10 3.70 3.54 5.08 3.66 4.44 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -8.5 -11.0 -1.0 3.0 3.0 14.4 17.0 15.0 6.0 5.5 -2.5 -8.0 -11.0 DAY 16 8 1 1 2 5 21 8 26 26 23 19 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 16.5 22.0 28.5 34.0 41.5 44.5 45.0 42.5 40.0 36.0 26.5 24.0 45.0 DAY 2 28 27 16 26 26 1 4 3 7 28 2 24 HOUR MAXIMUM PRECIPITATION IN MM. 18.0 5.0 0.0 0.0 1.0 0.0 0.0 0.0 0.0 0.0 2.0 1.0 18.0 DAY 3 23 ** ** 8 ** ** ** ** ** 2 4 MONTHLY TOTAL PRECIPITATION IN MM. 22.0 8.5 0.0 0.0 1.0 0.0 0.0 0.0 0.0 0.0 4.5 2.0 38.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 80.3 2.6 0.0 17.1 NO. OF DAYS WITH PRECIPITATION. 5 4 1 2 1 0 0 0 0 0 4 3 20 NO. OF DAYS PRECIPITATION EQUAL 3 2 0 0 1 0 0 0 0 0 2 2 10 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 0 0 0 0 0 0 0 0 0 0 0 1 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 74 72 51 34 32 32 33 28 25 32 56 56 44 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 46 43 28 17 19 14 17 10 10 15 31 31 23 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 50 45 32 17 20 15 18 10 14 19 43 42 27 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 21 16 0 0 0 0 0 0 0 0 0 8 45 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 2 20 26 10 0 0 0 0 58 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 9 26 30 31 31 27 18 0 0 172 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 6 22 19 17 5 0 0 0 69 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 4 0 0 0 0 0 4 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 30 25 2 0 0 0 0 0 0 0 7 22 86 DATE OF START AND END FREEZING START = 19 NOV. END = 2 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 MET. MEAN AND EXTREMES FOR THE YEAR 1990 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 4.2 7.8 12.6 19.4 27.2 30.5 31.6 31.2 26.3 18.9 12.9 6.4 19.1 AVERAGE OF MINIMUM TEMPERATURE IN C. -2.8 0.4 3.6 10.3 17.9 20.3 22.9 21.3 15.0 8.7 2.2 -2.4 9.8 AVERAGE OF MAXIMUM TEMPERATURE IN C. 10.9 15.1 21.6 28.6 36.5 40.7 40.3 41.2 37.6 29.1 23.5 15.1 28.4 DIFFERENCE BETWEEN AVERAGE MAXIMUM 13.7 14.7 18.0 18.3 18.6 20.4 17.4 19.9 22.6 20.4 21.3 17.5 18.6 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.80 2.99 3.22 3.87 4.38 4.82 5.65 5.26 3.49 3.91 2.96 2.72 3.84 MEAN OF MIXING RATIO AT 09 GMT. 3.87 3.68 3.65 3.83 4.70 5.97 5.67 5.11 4.13 6.13 4.11 4.26 4.59 MEAN OF MIXING RATIO AT 15 GMT. 3.68 3.70 3.46 3.36 4.48 5.37 4.95 4.63 4.07 5.17 3.77 3.59 4.19 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -9.5 -4.5 -5.5 5.0 13.0 13.5 18.5 14.5 9.5 3.5 -2.5 -9.0 -9.5 DAY 14 28 1 25 1 2 24 16 21 20 25 29 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 18.0 24.5 29.5 35.5 41.5 45.5 43.5 44.5 42.0 36.0 30.0 24.5 45.5 DAY 23 20 12 27 25 29 3 12 1 5 11 5 24 HOUR MAXIMUM PRECIPITATION IN MM. 4.5 9.0 10.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0 1.0 29.0 29.0 DAY 15 5 19 29 ** ** ** ** ** ** 29 27 MONTHLY TOTAL PRECIPITATION IN MM. 10.5 13.5 12.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0 1.0 44.0 82.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 43.9 1.2 0.0 54.9 NO. OF DAYS WITH PRECIPITATION. 4 4 2 1 0 0 0 0 0 0 1 4 16 NO. OF DAYS PRECIPITATION EQUAL 3 3 2 1 0 0 0 0 0 0 1 4 14 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 1 0 0 0 0 0 0 0 0 2 3 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 71 62 51 37 25 21 24 24 26 43 53 70 42 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 51 39 27 17 13 13 13 10 10 25 23 43 24 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 58 46 30 17 13 13 11 11 14 28 29 49 27 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 10 4 2 0 0 0 0 0 0 0 0 7 23 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 4 16 21 18 3 0 0 0 62 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 12 30 30 31 31 30 12 1 0 177 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 5 23 19 23 6 0 0 0 76 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 0 0 0 0 0 0 1 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 24 12 8 0 0 0 0 0 0 0 14 26 84 DATE OF START AND END FREEZING START = 15 NOV. END = 23 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 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. 5.3 5.4 11.8 20.0 24.4 29.9 31.5 29.3 24.9 18.3 ***** ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -0.8 -2.6 4.3 11.4 15.5 21.0 22.2 19.1 14.3 8.8 ***** ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 11.5 13.3 19.3 28.6 33.2 38.8 40.9 39.6 35.6 27.9 21.7 14.7 27.1 DIFFERENCE BETWEEN AVERAGE MAXIMUM 12.3 15.9 15.0 17.2 17.7 17.8 18.7 20.5 21.3 19.1 ***** ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.60 3.04 5.22 5.88 5.71 7.24 7.34 5.86 4.57 5.37 3.56 3.90 5.11 MEAN OF MIXING RATIO AT 09 GMT. 5.12 4.36 6.80 5.77 5.91 8.42 8.58 7.82 5.16 5.83 4.72 5.01 6.13 MEAN OF MIXING RATIO AT 15 GMT. 5.01 4.29 5.79 5.95 6.58 9.05 7.34 6.99 5.45 5.96 4.53 4.63 5.96 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -5.0 -9.5 -3.0 8.0 10.5 14.5 17.5 11.5 7.0 5.5 ***** ***** ****** DAY 1 15 2 8 7 25 30 24 28 30 ** ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 20.5 22.0 24.0 36.0 38.5 45.5 45.0 44.5 42.0 30.5 29.5 23.0 45.5 DAY 31 27 18 24 18 28 7 6 8 10 1 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 8.0 10.5 65.0 0.0 0.0 0.0 0.0 0.0 0.0 4.0 5.0 6.0 65.0 DAY 26 28 1 ** ** ** ** ** ** 17 16 14 MONTHLY TOTAL PRECIPITATION IN MM. 18.5 12.0 91.5 0.0 0.0 0.0 0.0 0.0 0.0 10.0 5.0 18.5 155.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 78.5 0.0 0.0 21.5 NO. OF DAYS WITH PRECIPITATION. 7 3 9 0 0 0 0 0 0 3 1 4 27 NO. OF DAYS PRECIPITATION EQUAL 4 2 7 0 0 0 0 0 0 3 1 4 21 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 1 2 0 0 0 0 0 0 0 0 0 3 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 80 72 71 52 37 32 32 32 35 58 61 74 53 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 63 48 50 25 19 19 18 18 15 26 33 52 32 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 70 55 51 30 23 24 17 18 20 35 42 59 37 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 9 8 0 0 0 0 0 0 0 0 *** *** *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 18 22 13 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 13 26 30 31 31 25 3 0 0 159 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 9 23 12 3 0 0 0 47 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 1 0 0 0 0 0 2 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 22 24 3 0 0 0 0 0 0 0 *** *** *** DATE OF START AND END FREEZING START = 1 JAN. END = 13 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 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. 4.0 7.2 9.9 18.3 ***** 30.8 ***** 27.9 23.9 18.1 ***** 7.0 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -1.3 -0.9 2.8 10.6 ***** 23.4 ***** 20.1 15.0 10.0 ***** 0.5 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 9.2 15.2 17.0 25.9 29.8 38.3 40.7 35.6 32.8 26.3 ***** 13.6 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.5 16.1 14.2 15.3 ***** 14.8 ***** 15.5 17.8 16.3 ***** 13.1 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.04 2.76 3.95 5.52 6.83 5.56 5.40 5.09 4.51 3.38 3.66 3.51 4.43 MEAN OF MIXING RATIO AT 09 GMT. 4.07 3.14 5.30 4.98 5.42 5.32 4.00 4.98 5.16 5.46 4.83 4.31 4.75 MEAN OF MIXING RATIO AT 15 GMT. 3.50 3.08 5.28 5.36 6.71 5.05 3.39 4.50 9.24 5.08 4.31 4.42 4.99 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -6.5 -8.0 -5.4 6.2 ***** 18.8 ***** 15.0 11.0 7.0 ***** -6.5 ****** DAY 6 13 13 4 ** 5 ** 17 1 22 ** 31 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 18.0 27.8 26.0 31.5 37.0 42.5 44.5 40.0 36.5 31.0 ***** 20.5 ****** DAY 16 25 30 14 31 24 4 6 25 14 ** 22 24 HOUR MAXIMUM PRECIPITATION IN MM. 4.5 0.0 12.5 9.0 9.0 0.0 0.0 0.0 0.0 0.0 0.0 3.0 12.5 DAY 21 ** 21 8 12 ** ** ** ** ** ** 17 MONTHLY TOTAL PRECIPITATION IN MM. 10.5 0.0 12.5 13.5 18.0 0.0 0.0 0.0 0.0 0.0 0.0 4.0 58.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 39.3 53.8 0.0 6.8 NO. OF DAYS WITH PRECIPITATION. 4 0 1 3 4 0 0 0 0 0 0 2 14 NO. OF DAYS PRECIPITATION EQUAL 4 0 1 3 4 0 0 0 0 0 0 2 14 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 1 0 0 0 0 0 0 0 0 0 1 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 72 62 69 57 51 25 22 27 37 38 56 71 49 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 57 33 46 28 23 14 8 13 16 25 30 45 28 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 59 38 52 33 31 13 7 13 38 31 35 57 34 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 7 8 2 0 *** 0 *** 0 0 0 *** 2 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 *** 25 *** 13 0 0 *** 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 *** 0 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 4 19 30 31 29 29 3 *** 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 10 22 1 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. 22 17 9 0 *** 0 *** 0 0 0 *** 13 *** DATE OF START AND END FREEZING START = 1 DEC. END = 13 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 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.***** ***** 11.9 ***** ***** 32.2 32.1 ***** 25.6 ***** ***** 7.8 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** 1.6 4.9 13.0 19.3 24.1 24.4 21.5 15.7 6.1 3.4 -1.0 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 12.3 ***** 18.9 ***** ***** 40.4 39.8 ***** 35.6 ***** ***** 16.5 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** 14.0 ***** ***** 16.3 15.4 ***** 19.9 ***** ***** 17.5 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.44 3.37 3.96 7.21 6.87 5.84 6.63 6.90 5.31 3.45 3.46 2.51 4.91 MEAN OF MIXING RATIO AT 09 GMT. 4.28 4.61 4.85 8.19 8.13 6.43 6.86 8.36 7.29 5.25 4.79 4.86 6.16 MEAN OF MIXING RATIO AT 15 GMT. 4.05 4.83 4.76 9.19 6.90 7.48 6.83 7.49 7.65 5.11 4.15 3.66 6.01 ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** -6.0 -5.0 4.5 11.0 18.0 18.0 13.0 10.0 0.4 -6.8 -4.5 ****** DAY ** 18 24 1 1 6 25 27 19 8 30 7 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 20.0 ***** 25.5 ***** ***** 43.8 44.0 ***** 39.0 ***** ***** 21.0 ****** DAY 29 ** 8 ** ** 25 8 ** 14 ** ** 28 24 HOUR MAXIMUM PRECIPITATION IN MM. 12.0 24.0 6.0 3.0 6.0 0.0 0.0 0.0 0.0 0.0 0.0 1.0 24.0 DAY 7 3 9 27 6 ** ** ** ** ** ** 24 MONTHLY TOTAL PRECIPITATION IN MM. 48.0 28.5 11.0 6.0 6.0 0.0 0.0 0.0 0.0 0.0 0.0 1.0 100.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 87.1 11.9 0.0 1.0 NO. OF DAYS WITH PRECIPITATION. 9 3 2 3 1 0 0 0 0 0 0 1 19 NO. OF DAYS PRECIPITATION EQUAL 9 3 2 3 1 0 0 0 0 0 0 1 19 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 1 0 0 0 0 0 0 0 0 0 0 3 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 85 65 62 65 44 27 30 38 41 47 56 60 52 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 64 45 36 35 27 15 15 20 19 24 35 46 32 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 72 53 40 47 25 18 16 20 26 32 39 47 36 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** 3 1 0 0 0 0 0 0 0 4 1 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** 0 0 1 13 26 28 18 2 0 0 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 *** 0 *** *** 0 0 *** 0 *** *** 0 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 *** 0 *** *** 30 31 *** 30 *** *** 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 *** 0 *** *** 21 16 *** 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. *** 8 4 0 0 0 0 0 0 0 10 22 *** DATE OF START AND END FREEZING START = 14 NOV. END = 25 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 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. 7.9 8.5 14.1 ***** 26.5 31.3 32.6 31.7 23.4 19.1 14.1 8.6 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -0.7 0.1 6.0 ***** 20.1 24.0 24.8 23.0 14.9 12.2 6.0 1.6 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 16.6 16.9 22.3 27.9 32.9 38.6 40.5 40.4 31.9 26.0 22.2 15.5 27.6 DIFFERENCE BETWEEN AVERAGE MAXIMUM 17.3 16.8 16.3 ***** 12.8 14.6 15.7 17.4 17.0 13.8 16.2 13.9 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.70 2.51 3.90 5.20 5.80 6.83 9.25 10.67 4.78 6.78 3.83 3.47 5.48 MEAN OF MIXING RATIO AT 09 GMT. 3.91 3.27 4.67 4.99 5.36 6.61 11.38 20.83 5.59 7.88 5.39 2.24 6.84 MEAN OF MIXING RATIO AT 15 GMT. 3.73 3.20 5.10 5.42 6.91 6.78 11.08 18.00 5.66 7.30 5.08 2.79 6.75 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -8.5 -6.5 0.5 ***** 15.0 19.0 21.8 17.0 8.0 4.0 -1.5 -8.0 ****** DAY 10 5 16 ** 1 12 15 24 22 13 12 8 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 23.5 24.0 28.0 34.0 37.5 42.2 43.5 44.0 37.2 32.0 28.5 24.0 44.0 DAY 2 1 28 23 30 20 7 3 1 1 4 3 24 HOUR MAXIMUM PRECIPITATION IN MM. 6.0 6.0 6.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0 8.0 1.5 8.0 DAY 23 18 10 27 ** ** ** ** ** ** 17 26 MONTHLY TOTAL PRECIPITATION IN MM. 6.0 13.0 10.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0 8.0 1.5 39.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 73.4 2.5 0.0 24.1 NO. OF DAYS WITH PRECIPITATION. 1 3 3 1 0 0 0 0 0 0 1 2 11 NO. OF DAYS PRECIPITATION EQUAL 1 3 3 1 0 0 0 0 0 0 1 1 10 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. 60 53 56 46 35 30 37 49 39 65 52 64 49 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 37 30 30 21 17 15 23 40 18 35 32 18 26 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 45 37 39 27 25 16 23 39 24 42 39 31 32 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 7 2 0 *** 0 0 0 0 0 0 0 6 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 *** 15 27 31 22 5 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 10 29 30 31 31 23 2 0 0 156 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 10 21 16 0 0 0 0 47 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. 21 16 0 *** 0 0 0 0 0 0 5 13 *** DATE OF START AND END FREEZING START = 11 NOV. END = 27 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 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. 6.8 ***** ***** 18.5 24.5 30.3 34.7 31.4 25.8 ***** ***** ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -0.4 ***** ***** 11.3 17.4 23.5 27.3 21.9 16.8 9.1 3.6 -0.4 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 14.0 ***** ***** 25.6 31.7 37.1 42.2 40.9 34.7 ***** ***** ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 14.4 ***** ***** 14.3 14.3 13.6 14.9 19.0 17.9 ***** ***** ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.70 ***** ***** 6.65 8.94 10.22 11.54 9.41 8.59 5.18 3.82 3.38 ***** MEAN OF MIXING RATIO AT 09 GMT. 3.70 ***** ***** 8.63 11.51 13.20 14.78 19.64 20.21 14.01 10.47 5.02 ***** MEAN OF MIXING RATIO AT 15 GMT. 3.74 ***** ***** 8.64 11.73 12.93 14.57 18.36 13.41 9.09 7.31 4.16 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -6.0 ***** ***** 5.0 9.2 17.4 17.8 17.6 10.6 1.2 -6.8 -6.0 ****** DAY 24 ** ** 1 26 4 28 27 23 29 27 1 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 22.5 ***** ***** 30.6 37.5 42.5 45.5 43.5 39.0 ***** ***** ***** ****** DAY 17 ** ** 3 7 22 12 22 10 ** ** ** 24 HOUR MAXIMUM PRECIPITATION IN MM. 4.0 ***** ***** 8.0 5.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ****** DAY 1 ** ** 13 28 ** ** ** ** ** ** ** MONTHLY TOTAL PRECIPITATION IN MM. 8.0 ***** ***** 25.0 10.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 18.6 81.4 0.0 0.0 NO. OF DAYS WITH PRECIPITATION. 3 *** *** 6 4 0 0 0 0 0 0 0 *** NO. OF DAYS PRECIPITATION EQUAL 3 *** *** 6 4 0 0 0 0 0 0 0 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 *** *** 0 0 0 0 0 0 0 0 0 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 61 *** *** 62 58 47 43 51 61 61 63 70 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 34 *** *** 40 37 32 27 39 53 55 55 62 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 44 *** *** 46 47 35 28 44 50 52 56 66 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 5 *** *** 0 0 0 0 0 0 0 4 4 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 *** *** 0 2 21 28 14 3 1 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 *** *** 4 23 30 31 31 28 *** *** *** *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 *** *** 0 0 6 28 24 0 *** *** *** *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 *** *** 0 0 0 3 0 0 *** *** *** *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. 21 *** *** 0 0 0 0 0 0 0 6 19 *** DATE OF START AND END FREEZING START = 14 NOV. END = 30 JAN. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 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. 1.1 ***** 11.8 20.1 25.4 31.4 31.7 30.7 27.0 18.6 8.7 8.5 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -3.4 2.3 4.9 12.8 18.3 24.8 25.7 23.1 18.0 9.0 -2.2 -0.8 11.0 AVERAGE OF MAXIMUM TEMPERATURE IN C. 4.9 ***** 18.8 27.4 32.5 38.0 37.7 38.3 36.0 28.3 19.6 17.7 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.3 ***** 13.9 14.6 14.2 13.2 12.0 15.2 18.0 19.3 21.8 18.5 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.75 4.25 4.66 5.77 8.25 9.35 9.35 9.05 8.55 4.75 3.27 3.03 6.09 MEAN OF MIXING RATIO AT 09 GMT. 3.98 6.36 7.72 8.57 12.18 10.74 9.83 14.10 14.22 8.76 6.22 7.03 9.14 MEAN OF MIXING RATIO AT 15 GMT. 3.33 5.02 5.92 6.86 9.96 11.63 11.61 13.55 12.32 7.87 4.96 5.49 8.21 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -14.2 -1.6 -1.8 3.8 13.0 19.0 21.0 18.0 9.4 2.8 -10.2 -6.4 -14.2 DAY 18 14 1 7 10 18 18 28 28 26 19 13 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 18.0 ***** 28.2 35.8 39.0 42.5 41.0 41.6 39.4 33.2 28.5 22.5 ****** DAY 7 ** 30 23 29 4 7 26 8 14 2 26 24 HOUR MAXIMUM PRECIPITATION IN MM. 16.0 11.0 8.0 3.0 4.0 0.0 0.0 0.0 0.0 0.0 8.0 0.5 16.0 DAY 12 18 7 14 9 ** ** ** ** ** 29 15 MONTHLY TOTAL PRECIPITATION IN MM. 16.0 33.0 20.0 4.0 6.0 0.0 0.0 0.0 0.0 0.0 8.0 0.5 87.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 78.9 11.4 0.0 9.7 NO. OF DAYS WITH PRECIPITATION. 1 5 4 2 3 0 0 0 0 0 1 1 17 NO. OF DAYS PRECIPITATION EQUAL 1 5 4 2 3 0 0 0 0 0 1 0 16 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 1 0 0 0 0 0 0 0 0 0 0 2 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 76 82 74 54 50 43 40 46 55 52 59 67 58 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 69 56 55 37 38 25 23 30 35 36 43 54 42 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 71 66 60 36 35 28 29 33 37 46 49 59 46 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 13 0 0 0 0 0 0 0 0 0 7 6 26 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 1 8 28 31 25 7 0 0 0 100 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 11 *** 0 0 0 0 0 0 0 0 0 0 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 *** 0 8 21 30 31 31 30 11 0 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 *** 0 0 0 9 5 7 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. 21 8 2 0 0 0 0 0 0 0 26 20 77 DATE OF START AND END FREEZING START = 1 NOV. END = 16 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 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. 6.8 6.1 10.0 17.4 24.8 30.8 34.2 31.2 25.9 21.5 12.9 8.8 19.2 AVERAGE OF MINIMUM TEMPERATURE IN C. -1.0 -3.7 2.7 9.7 16.4 22.4 24.6 20.0 15.3 11.5 3.7 -1.8 10.0 AVERAGE OF MAXIMUM TEMPERATURE IN C. 14.5 15.6 17.2 25.1 33.1 39.2 43.8 42.4 36.5 31.4 22.2 19.4 28.4 DIFFERENCE BETWEEN AVERAGE MAXIMUM 15.5 19.3 14.5 15.4 16.7 16.8 19.2 22.4 21.2 19.9 18.5 21.2 18.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.26 2.88 3.97 5.48 6.60 7.79 10.62 7.86 6.20 5.49 4.23 3.36 5.64 MEAN OF MIXING RATIO AT 09 GMT. 5.95 5.67 6.01 9.50 10.04 8.35 15.74 11.93 10.76 11.48 8.89 5.19 9.13 MEAN OF MIXING RATIO AT 15 GMT. 4.87 4.88 5.58 7.39 7.42 7.79 14.87 8.79 8.69 9.25 6.42 3.67 7.47 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -6.6 -13.0 -4.2 -1.2 7.0 15.8 16.2 14.8 7.2 5.2 -0.4 -6.2 -13.0 DAY 30 8 10 14 7 2 1 27 21 28 26 29 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 21.0 23.5 22.0 33.0 38.0 42.5 47.5 44.5 39.8 36.5 26.0 24.0 47.5 DAY 7 22 29 30 22 13 24 7 1 6 2 8 24 HOUR MAXIMUM PRECIPITATION IN MM. 0.0 0.0 14.0 0.0 4.0 1.0 0.0 0.0 0.0 4.0 0.0 1.0 14.0 DAY ** ** 16 ** 6 23 ** ** ** 24 ** 11 MONTHLY TOTAL PRECIPITATION IN MM. 0.0 0.0 17.0 0.0 5.0 1.0 0.0 0.0 0.0 4.0 0.0 2.0 29.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 58.6 20.7 0.0 20.7 NO. OF DAYS WITH PRECIPITATION. 0 0 2 0 2 1 0 0 0 1 0 2 8 NO. OF DAYS PRECIPITATION EQUAL 0 0 2 0 2 1 0 0 0 1 0 2 8 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 1 0 0 0 0 0 0 0 0 0 1 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 75 75 70 55 42 33 40 39 41 50 69 77 56 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 57 50 47 44 33 18 26 23 28 40 50 47 39 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 60 61 47 41 28 20 28 23 29 44 53 49 40 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 4 15 1 0 0 0 0 0 0 0 0 6 26 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 5 23 23 9 5 0 0 0 65 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 1 27 30 31 27 30 18 0 0 164 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 12 31 23 0 0 0 0 66 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 6 0 0 0 0 0 6 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 25 22 10 1 0 0 0 0 0 0 2 22 82 DATE OF START AND END FREEZING START = 26 NOV. END = 14 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 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. 6.2 9.7 13.9 19.9 21.6 30.7 34.5 31.7 27.1 20.9 13.7 8.1 19.8 AVERAGE OF MINIMUM TEMPERATURE IN C. -2.9 0.7 6.4 10.8 10.9 19.2 23.8 24.0 19.0 10.7 4.5 -3.3 10.3 AVERAGE OF MAXIMUM TEMPERATURE IN C. 15.0 18.1 21.4 29.0 31.5 42.3 45.3 39.3 35.3 31.1 23.0 19.6 29.2 DIFFERENCE BETWEEN AVERAGE MAXIMUM 17.9 17.4 15.0 18.2 20.6 23.1 21.5 15.3 16.3 20.4 18.5 22.9 18.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.95 3.80 4.88 4.25 4.51 6.31 9.52 8.81 7.79 4.74 3.73 3.25 5.38 MEAN OF MIXING RATIO AT 09 GMT. 4.14 5.46 8.15 4.20 8.49 11.78 10.22 10.75 6.23 9.21 7.29 4.55 7.54 MEAN OF MIXING RATIO AT 15 GMT. 3.47 5.06 5.98 4.17 6.53 9.36 9.06 7.52 5.95 8.00 5.51 3.72 6.19 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -8.4 -5.4 -1.8 5.0 4.8 13.4 16.4 19.0 13.2 6.4 0.2 -8.8 -8.8 DAY 10 17 6 3 25 13 15 28 17 30 28 16 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 17.0 26.0 28.5 35.0 39.0 46.5 48.0 44.2 40.0 38.0 26.8 23.5 48.0 DAY 29 8 23 15 31 22 19 20 17 2 1 2 24 HOUR MAXIMUM PRECIPITATION IN MM. 8.0 18.0 0.0 7.0 0.0 0.0 0.0 8.0 0.0 0.0 0.0 0.0 18.0 DAY 6 12 ** 7 ** ** ** 4 ** ** ** ** MONTHLY TOTAL PRECIPITATION IN MM. 13.0 21.0 0.0 12.0 0.0 0.0 0.0 8.0 0.0 0.0 0.0 0.0 54.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 63.0 22.2 14.8 0.0 NO. OF DAYS WITH PRECIPITATION. 2 2 0 3 0 0 0 1 0 0 0 0 8 NO. OF DAYS PRECIPITATION EQUAL 2 2 0 3 0 0 0 1 0 0 0 0 8 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 1 0 0 0 0 0 0 0 0 0 0 1 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 75 76 66 42 42 28 35 41 49 50 62 69 53 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 51 53 54 17 33 23 17 22 16 33 37 36 33 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 61 62 54 19 33 20 15 18 23 38 44 43 36 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 11 3 0 0 0 0 0 0 0 0 0 16 30 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 1 9 22 24 14 0 0 0 70 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 17 13 30 31 31 28 18 0 0 168 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 22 31 16 2 0 0 0 71 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 20 0 0 0 0 0 21 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 25 14 7 0 0 0 0 0 0 0 0 22 68 DATE OF START AND END FREEZING START = 7 DEC. END = 12 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 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. 3.5 9.5 12.2 15.8 24.2 29.4 ***** ***** 26.2 22.5 13.0 5.0 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -4.9 -1.5 1.0 5.7 11.9 18.0 ***** ***** 14.4 11.9 3.0 -3.0 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 11.9 20.5 23.4 25.9 36.5 40.8 ***** ***** 37.9 33.1 23.0 13.1 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 16.8 22.0 22.4 20.2 24.6 22.8 ***** ***** 23.5 21.2 20.0 16.1 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.72 3.88 4.74 4.84 5.92 6.24 ***** ***** 3.10 3.54 3.63 3.59 ***** MEAN OF MIXING RATIO AT 09 GMT. 4.81 5.76 5.79 6.58 7.00 6.45 ***** ***** 2.81 1.99 3.36 3.77 ***** MEAN OF MIXING RATIO AT 15 GMT. 4.17 4.66 4.86 5.12 5.34 4.63 ***** ***** 3.83 2.93 4.06 4.16 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -11.4 -8.4 -5.8 -0.8 6.4 13.0 ***** ***** 7.0 8.0 -5.0 -9.0 ****** DAY 4 1 7 12 6 27 ** ** 28 25 30 19 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 16.0 26.5 27.5 30.0 39.5 43.5 ***** ***** 43.0 37.0 33.0 20.0 ****** DAY 11 22 27 21 14 28 ** ** 15 6 27 16 24 HOUR MAXIMUM PRECIPITATION IN MM. 16.0 15.0 31.0 8.0 0.0 0.0 ***** ***** 0.0 0.0 0.0 1.5 ****** DAY 2 6 2 26 ** ** ** ** ** ** ** 12 MONTHLY TOTAL PRECIPITATION IN MM. 45.3 15.0 51.8 11.0 0.0 0.0 ***** ***** 0.0 0.0 0.0 1.5 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 90.0 8.8 0.0 1.2 NO. OF DAYS WITH PRECIPITATION. 8 1 5 2 0 0 *** *** 0 0 0 1 *** NO. OF DAYS PRECIPITATION EQUAL 8 1 4 2 0 0 *** *** 0 0 0 1 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 1 1 0 0 0 *** *** 0 0 0 0 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 79 70 69 46 35 26 *** *** 22 32 58 63 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 55 44 47 30 19 13 *** *** 11 7 19 43 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 59 45 46 28 18 11 *** *** 17 11 27 54 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 22 5 5 0 0 0 *** *** 0 0 1 18 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 6 *** *** 1 0 0 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 *** *** 0 0 0 0 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 1 31 30 *** *** 29 29 3 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 22 *** *** 12 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. 27 21 11 2 0 0 *** *** 0 0 7 27 *** DATE OF START AND END FREEZING START = 13 NOV. END = 13 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 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. 5.9 7.6 13.1 20.0 25.5 27.7 29.0 27.3 25.8 17.1 9.5 7.8 18.0 AVERAGE OF MINIMUM TEMPERATURE IN C. 0.1 -2.3 2.1 8.6 14.9 15.7 18.2 15.1 14.4 5.7 0.1 0.2 7.7 AVERAGE OF MAXIMUM TEMPERATURE IN C. 11.6 17.6 24.1 31.5 36.2 39.6 39.8 39.5 37.1 28.5 18.8 15.4 28.3 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.5 19.9 22.0 22.9 21.3 23.9 21.6 24.4 22.7 22.8 18.7 15.2 20.6 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.96 2.20 2.88 3.91 4.24 5.10 6.23 5.86 5.20 4.82 4.13 3.84 4.28 MEAN OF MIXING RATIO AT 09 GMT. 3.35 3.63 4.22 4.16 5.15 5.75 6.62 6.99 6.93 6.68 5.43 5.09 5.33 MEAN OF MIXING RATIO AT 15 GMT. 3.29 3.26 3.88 4.55 5.38 5.61 5.96 6.84 6.20 6.12 4.98 4.83 5.07 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -9.0 -9.0 -2.2 1.8 8.0 10.6 9.4 10.2 8.2 2.2 -6.0 -5.2 -9.0 DAY 14 9 6 3 12 18 20 20 28 30 28 30 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 19.0 25.0 29.8 36.4 39.2 44.0 43.5 42.5 40.5 39.5 26.5 22.5 44.0 DAY 6 26 10 13 26 29 5 4 1 25 3 22 24 HOUR MAXIMUM PRECIPITATION IN MM. 5.0 0.5 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 9.0 2.5 9.0 DAY 29 25 26 ** ** ** ** ** ** ** 6 11 MONTHLY TOTAL PRECIPITATION IN MM. 5.0 0.5 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 9.0 6.5 22.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 29.5 0.0 0.0 70.5 NO. OF DAYS WITH PRECIPITATION. 1 1 1 0 0 0 0 0 0 0 1 3 7 NO. OF DAYS PRECIPITATION EQUAL 1 0 1 0 0 0 0 0 0 0 1 3 6 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. 52 44 41 29 21 23 27 31 29 47 65 80 41 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 48 41 24 14 13 14 15 16 18 29 43 48 27 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 48 52 27 17 15 14 14 18 19 35 53 58 31 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 7 12 0 0 0 0 0 0 0 0 7 5 31 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 11 2 2 0 0 0 16 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 20 31 30 31 31 30 11 0 0 184 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 17 14 13 3 0 0 0 47 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. 11 24 14 0 0 0 0 0 0 0 13 17 79 DATE OF START AND END FREEZING START = 13 NOV. END = 29 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 MET. MEAN AND EXTREMES FOR THE YEAR 2001 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 5.6 8.5 15.4 22.6 27.6 30.5 33.0 30.7 26.9 22.0 13.6 9.5 20.5 AVERAGE OF MINIMUM TEMPERATURE IN C. -1.8 -0.1 6.6 12.9 18.6 21.2 24.9 21.1 17.2 12.9 4.1 3.1 11.7 AVERAGE OF MAXIMUM TEMPERATURE IN C. 13.0 17.1 24.2 32.2 36.7 39.8 41.0 40.3 36.5 31.0 22.8 16.0 29.2 DIFFERENCE BETWEEN AVERAGE MAXIMUM 14.8 17.2 17.6 19.3 18.1 18.6 16.1 19.2 19.3 18.1 18.7 12.9 17.5 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.91 2.98 4.34 4.31 5.01 6.26 7.32 5.91 4.57 4.48 3.44 4.67 4.68 MEAN OF MIXING RATIO AT 09 GMT. 4.19 4.17 5.32 5.34 6.69 5.88 8.07 6.81 6.65 6.11 4.25 6.07 5.80 MEAN OF MIXING RATIO AT 15 GMT. 3.70 3.52 5.13 5.25 6.26 6.69 7.81 6.43 5.33 4.76 3.52 5.78 5.35 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -10.4 -5.4 0.2 5.4 13.0 14.2 11.4 14.4 12.8 7.8 0.0 -3.0 -10.4 DAY 29 13 12 3 7 25 31 16 29 12 23 24 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 19.6 24.0 31.0 35.5 41.0 45.0 45.5 43.5 40.0 34.5 29.0 26.0 45.5 DAY 16 21 31 26 16 29 9 3 3 1 7 20 24 HOUR MAXIMUM PRECIPITATION IN MM. 7.0 1.0 7.0 0.0 0.5 0.0 0.0 0.0 0.0 0.0 1.0 8.5 8.5 DAY 28 6 11 ** 3 ** ** ** ** ** 29 2 MONTHLY TOTAL PRECIPITATION IN MM. 10.0 1.0 12.5 0.0 0.5 0.0 0.0 0.0 0.0 0.0 1.5 21.5 47.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 50.0 1.1 0.0 48.9 NO. OF DAYS WITH PRECIPITATION. 2 1 3 0 1 0 0 0 0 0 2 5 14 NO. OF DAYS PRECIPITATION EQUAL 2 1 3 0 0 0 0 0 0 0 1 5 12 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. 72 62 53 33 28 28 28 29 28 39 52 83 45 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 46 36 30 18 18 13 17 17 19 23 27 55 27 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 54 36 36 20 19 17 18 16 18 23 32 65 30 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 3 3 0 0 0 0 0 0 0 0 0 0 6 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 7 16 27 17 6 0 0 0 73 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 1 28 30 30 31 31 29 24 0 0 204 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 2 18 15 21 6 0 0 0 62 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 6 0 0 0 0 0 7 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 22 17 0 0 0 0 0 0 0 0 1 9 49 DATE OF START AND END FREEZING START = 23 NOV. END = 26 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 MET. MEAN AND EXTREMES FOR THE YEAR 2002 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 6.5 10.5 14.9 20.4 26.9 31.3 33.1 32.0 27.8 21.7 ***** ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -0.5 1.9 4.7 12.1 17.9 23.0 25.2 22.9 17.4 11.2 ***** ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 13.3 19.0 25.1 28.7 35.9 39.5 41.0 41.2 38.2 32.1 ***** ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 13.8 17.1 20.4 16.6 18.0 16.5 15.8 18.3 20.8 20.9 ***** ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.33 3.11 3.47 5.27 5.53 5.67 6.92 6.45 4.28 3.40 ***** ***** ***** MEAN OF MIXING RATIO AT 09 GMT. 4.62 3.59 3.69 5.93 6.57 7.05 8.41 7.35 6.56 6.80 ***** ***** ***** MEAN OF MIXING RATIO AT 15 GMT. 4.27 3.47 3.33 5.67 6.15 6.63 8.00 7.25 6.75 6.06 ***** ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -5.5 -5.0 -3.5 3.5 13.0 18.0 20.0 19.5 10.5 7.0 ***** ***** ****** DAY 28 5 8 6 5 1 31 11 30 27 ** ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 25.5 26.0 31.0 37.0 40.2 43.0 45.0 43.5 41.0 36.5 ***** ***** ****** DAY 7 25 20 28 30 14 19 7 4 6 ** ** 24 HOUR MAXIMUM PRECIPITATION IN MM. 4.5 1.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ***** ***** ****** DAY 11 20 ** ** ** ** ** ** ** ** ** ** MONTHLY TOTAL PRECIPITATION IN MM. 9.5 1.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ***** ***** ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 100.0 0.0 0.0 0.0 NO. OF DAYS WITH PRECIPITATION. 3 1 0 0 0 0 0 0 0 0 *** *** *** NO. OF DAYS PRECIPITATION EQUAL 3 1 0 0 0 0 0 0 0 0 *** *** *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 0 0 0 0 0 0 0 0 *** *** *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 74 58 47 46 33 24 28 28 27 33 *** *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 49 29 19 27 19 16 17 15 16 24 *** *** *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 61 37 23 31 20 17 21 17 20 29 *** *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 7 3 0 0 0 0 0 0 0 0 *** *** *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 1 4 24 30 26 5 0 *** *** *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 *** *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 2 11 31 30 31 31 30 23 *** *** *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 5 16 23 21 3 0 *** *** *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 2 0 0 0 *** *** *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. 15 10 5 0 0 0 0 0 0 0 *** *** *** DATE OF START AND END FREEZING START = 10 JAN. END = 11 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 MET. MEAN AND EXTREMES FOR THE YEAR 2003 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 7.5 10.9 14.4 21.0 24.4 31.5 35.1 31.5 26.2 21.5 11.3 7.0 20.2 AVERAGE OF MINIMUM TEMPERATURE IN C. -0.5 2.1 6.2 12.8 16.2 23.1 26.6 22.8 16.6 11.1 2.8 0.5 11.7 AVERAGE OF MAXIMUM TEMPERATURE IN C. 15.4 19.8 22.6 29.2 32.6 39.8 43.7 40.2 35.9 31.8 19.8 13.6 28.7 DIFFERENCE BETWEEN AVERAGE MAXIMUM 15.9 17.6 16.4 16.4 16.4 16.7 17.1 17.4 19.3 20.7 17.0 13.1 17.0 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.33 3.25 3.57 5.54 5.11 5.73 6.59 6.10 5.15 3.80 2.95 3.77 4.57 MEAN OF MIXING RATIO AT 09 GMT. 4.07 3.71 4.34 5.90 5.83 6.33 8.58 7.18 6.64 5.49 3.72 4.48 5.52 MEAN OF MIXING RATIO AT 15 GMT. 3.88 4.04 3.93 5.58 5.08 6.13 8.27 6.81 6.72 5.15 4.03 4.33 5.33 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -7.6 -3.5 -4.5 5.5 9.0 18.5 23.0 17.0 11.0 1.0 -5.5 -6.0 -7.6 DAY 15 18 3 21 3 7 21 14 28 12 26 14 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 22.5 27.0 30.0 36.0 36.5 43.5 45.5 45.0 39.5 36.5 29.0 25.5 45.5 DAY 16 20 20 28 23 23 17 2 9 4 1 20 24 HOUR MAXIMUM PRECIPITATION IN MM. 8.0 0.0 0.5 4.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 21.0 21.0 DAY 18 ** 26 22 ** ** ** ** ** ** ** 6 MONTHLY TOTAL PRECIPITATION IN MM. 15.5 0.0 0.5 8.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 36.0 60.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 26.7 13.3 0.0 60.0 NO. OF DAYS WITH PRECIPITATION. 3 0 1 6 0 0 0 0 0 0 0 3 13 NO. OF DAYS PRECIPITATION EQUAL 3 0 0 2 0 0 0 0 0 0 0 3 8 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 0 0 0 0 0 0 0 0 0 1 1 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 73 62 50 50 31 24 22 27 35 37 52 75 45 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 45 30 28 25 20 14 15 16 20 19 25 49 26 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 54 39 29 29 19 15 16 17 23 24 38 59 30 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 3 0 1 0 0 0 0 0 0 0 3 6 13 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 4 23 31 24 0 0 0 0 82 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 1 12 26 30 31 31 30 28 0 0 189 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 15 31 23 0 0 0 0 69 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 8 1 0 0 0 0 9 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 19 7 3 0 0 0 0 0 0 0 12 12 53 DATE OF START AND END FREEZING START = 16 NOV. END = 4 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 MET. MEAN AND EXTREMES FOR THE PERIOD 1988 TO 2003 PAGE 1 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPE. IN C. 5.3 7.9 12.8 19.4 25.3 30.6 32.8 30.5 25.9 19.9 12.3 7.7 19.2 SD OF MEAN DAILY TEMPERATURE IN C. 1.96 2.13 1.62 1.63 1.62 1.03 1.61 1.46 1.13 1.69 1.76 1.16 1.57 AVERAGE OF MINIMUM TEMPERATURE IN C. -1.9 -0.4 4.4 10.9 16.5 21.7 24.3 21.1 15.9 9.8 2.9 -0.7 10.4 AVERAGE OF MAXIMUM TEMPERATURE IN C. 12.4 16.6 21.3 28.1 33.9 39.6 41.3 39.9 35.9 29.8 21.8 16.0 28.0 DIFFERENCE BETWEEN AVERAGE MAXIMUM 14.3 17.4 16.9 17.4 17.8 17.9 17.1 18.8 20.0 19.7 18.9 16.8 17.8 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.04 3.13 4.02 5.13 5.97 6.71 7.91 6.98 5.26 4.38 3.59 3.38 4.95 MEAN OF MIXING RATIO AT 09 GMT. 4.24 4.32 5.30 5.97 7.18 7.63 9.03 9.48 7.35 6.88 5.56 4.62 6.46 MEAN OF MIXING RATIO AT 15 GMT. 3.84 3.99 4.79 5.70 6.67 7.44 8.63 8.43 6.91 6.00 4.81 4.15 5.94 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -14.2 -13.0 -5.8 -1.2 3.0 10.6 9.4 10.2 6.0 0.4 -10.2 -10.5 -14.2 YEAR - DAY 96-18 97- 8 99- 7 97-14 89- 2 0-18 0-20 0-20 89-26 93- 8 96-19 88-31 96-18 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 25.5 27.8 31.0 37.0 41.5 46.5 48.0 45.0 43.0 39.5 33.0 26.0 48.0 YEAR - DAY 2- 7 92-25 88-21 2-28 89-26 98-22 98-19 3- 2 99-15 0-25 99-27 1-20 98-19 24 HOUR MAXIMUM PRECIPITATION IN MM. 18.0 29.0 65.0 9.0 9.0 1.0 0.0 8.0 0.0 4.0 9.0 29.0 65.0 YEAR - DAY 89- 3 88- 3 91- 1 92- 8 92-12 97-23 **-** 98- 4 **-** 91-17 0- 6 90-27 91- 1 MONTHLY TOTAL PRECIPITATION IN MM. 15.0 12.4 18.5 5.7 2.9 0.1 0.0 0.5 0.0 0.9 2.5 9.3 67.8 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 67.9 12.8 0.7 18.6 NO. OF DAYS WITH PRECIPITATION. 3 2 2 2 1 0 0 0 0 0 1 2 13 NO. OF DAYS PRECIPITATION EQUAL 3 2 2 2 1 0 0 0 0 0 1 2 13 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 1 0 0 0 0 0 0 0 0 0 1 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 72 65 59 47 38 30 31 35 36 46 58 69 49 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 51 41 37 26 23 17 18 20 20 27 34 44 30 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 57 48 40 29 24 18 19 21 24 32 41 52 34 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 9 6 1 0 0 0 0 0 0 0 3 7 26 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 5 19 26 17 3 0 0 0 70 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 1 0 0 0 0 0 0 0 0 0 0 0 1 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 11 26 30 31 31 29 16 0 0 174 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 1 15 22 17 3 0 0 0 58 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 4 0 0 0 0 0 4 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 21 16 5 0 0 0 0 0 0 0 9 19 70 DATE OF START AND END FREEZING START = 1 NOV. END = 14 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION KAVIR SIYAHKOOH(CHAH AFZAL) LATITUDE 32 31 N DATA PROCESSING CENTER LONGITUDE 53 51 E ELEVATION 1036 MET. MEAN AND EXTREMES FOR THE PERIOD 1988 TO 2003 PAGE 2 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE DRY BULB TEMPERATURE. IN C. 5.3 8.2 13.6 21.2 27.0 33.0 34.9 32.4 27.0 20.6 13.2 7.9 20.4 AVERAGE DEW POINT TEMPERATURE. IN C. -2.7 -2.4 0.4 2.6 5.1 6.6 8.7 7.7 4.1 2.7 0.0 -1.8 2.6 AVERAGE OF MIXING RATIO IN G/KG 3.70 3.81 4.70 5.59 6.60 7.25 8.52 8.29 6.50 5.75 4.66 4.04 5.78 AVERAGE OF VAPOUR PRESSURE HPA 5.28 5.45 6.72 8.01 9.44 10.40 12.19 11.83 9.29 8.22 6.65 5.78 8.27 AVERAGE OF SATURATION DEFICIT IN HPA 4.32 6.43 10.18 19.07 28.51 42.12 46.34 39.93 29.38 18.30 10.23 5.80 21.72 AVERAGE RELATIVE HUMIDITY IN PERCENT 60 51 45 34 28 22 23 25 27 35 44 55 37 AVERAGE OF MAXIMUM RELATIVE HUMIDITY(%) 75 67 61 48 39 31 32 36 38 48 60 72 51 AVERAGE OF MINIMUM RELATIVE HUMIDITY(%) 47 39 34 24 20 16 16 18 18 25 32 41 28 NO. OF DAYS PRECIPITATION EQUAL 1 1 1 0 0 0 0 0 0 0 0 1 4 OR MORE THAN 5 MM.