IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 1 STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 MET. AVERAGE OF MEAN DAILY TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MAX-MIN 1987 9.2 9.2 10.2 15.0 22.0 27.3 27.7 28.4 23.3 14.9 11.5 9.1 19.3 1988 6.1 6.9 11.6 16.1 20.6 27.8 28.4 26.8 24.3 19.3 13.9 10.1 22.3 1989 5.3 5.5 12.0 17.2 21.5 25.6 29.1 28.6 24.3 19.8 13.7 9.8 23.8 1990 5.5 7.0 10.7 16.9 20.2 26.7 28.6 27.2 26.2 18.8 14.5 8.8 23.1 1991 6.7 6.5 8.8 16.6 19.7 24.7 29.1 28.2 24.1 20.3 12.6 7.9 22.6 1992 5.4 7.2 9.1 14.5 18.8 26.3 27.5 25.5 23.3 18.1 13.5 8.5 22.1 1993 6.2 6.0 10.8 16.3 20.0 25.1 26.8 27.2 24.7 17.9 9.8 7.9 21.2 1994 7.1 5.7 9.7 ****** 21.6 23.5 26.7 27.5 22.7 18.0 14.1 7.1 ****** 1995 8.4 8.6 11.1 16.9 22.5 26.1 28.1 28.8 25.2 17.4 14.8 7.6 21.2 1996 5.9 7.5 8.2 13.6 22.3 25.3 29.1 29.0 ****** ****** 12.4 8.8 ****** 1997 6.7 6.0 8.5 16.8 22.4 27.8 28.8 29.8 24.7 21.7 12.5 9.0 23.8 1998 6.1 6.4 11.3 18.0 22.3 28.7 29.2 29.6 25.2 19.5 14.8 11.2 23.5 1999 8.1 11.4 11.4 16.3 20.7 25.8 27.9 31.2 24.9 20.3 12.0 9.5 23.1 2000 7.1 8.9 10.3 19.1 22.2 25.5 29.6 30.2 27.2 18.7 12.2 10.0 23.1 2001 6.8 10.3 14.0 18.6 23.5 26.9 28.9 29.2 26.0 19.2 14.5 10.0 22.4 2002 7.8 9.6 13.4 15.5 20.3 26.1 29.9 28.8 27.2 22.6 14.6 5.7 24.2 2003 7.7 8.7 9.1 13.5 19.7 24.3 27.4 29.6 25.6 22.4 13.6 10.4 21.9 MEAN 6.8 7.7 10.6 16.3 21.2 26.1 28.4 28.6 24.9 19.3 13.2 8.9 21.8 SD 1.13 1.74 1.63 1.61 1.30 1.37 0.96 1.40 1.30 1.95 1.38 1.35 1.43 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 2 STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 MET. AVERAGE OF MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 3.2 3.2 6.3 8.5 15.2 16.6 17.9 22.0 16.4 8.8 5.6 3.0 10.6 1988 1.3 2.0 5.4 9.7 13.6 20.1 22.8 21.4 17.9 12.6 8.1 4.6 11.6 1989 0.5 -0.7 6.5 10.0 13.9 19.0 23.1 21.9 17.5 13.1 6.1 5.4 11.4 1990 0.4 1.6 4.1 9.8 14.0 19.6 23.0 22.8 21.0 12.6 6.8 2.2 11.5 1991 0.8 1.4 4.5 10.0 12.4 17.3 21.8 22.2 18.2 13.5 6.8 1.8 10.9 1992 -0.2 1.4 3.2 9.3 13.1 19.8 22.1 19.5 16.1 10.6 6.6 4.0 10.5 1993 0.5 2.2 4.6 10.2 13.2 18.6 20.4 21.0 18.8 11.1 5.9 3.4 10.8 1994 2.7 1.0 5.8 ****** 13.9 17.2 20.5 22.0 15.0 11.6 8.7 2.2 ****** 1995 3.3 2.8 4.8 10.4 14.8 18.3 22.1 23.1 18.5 11.2 7.4 1.9 11.6 1996 1.2 2.5 4.6 8.6 15.3 19.3 22.6 23.0 ****** ****** 6.5 1.1 ****** 1997 -0.1 -0.5 2.1 9.0 14.6 20.5 23.7 24.0 18.2 14.2 6.6 3.2 11.3 1998 1.8 1.3 4.9 11.1 14.7 21.3 23.1 23.4 19.0 12.6 8.2 5.6 12.3 1999 2.7 4.8 5.3 9.9 13.8 18.8 21.2 24.1 18.5 13.9 6.8 3.3 11.9 2000 1.8 3.1 4.8 11.4 15.3 18.1 22.5 23.7 22.3 13.3 5.9 4.9 12.3 2001 0.9 2.8 7.3 11.8 16.3 20.4 22.6 23.0 20.4 12.8 9.1 4.3 12.6 2002 2.9 3.7 6.5 10.7 14.5 19.5 23.9 24.0 21.9 16.6 9.4 0.8 12.9 2003 2.3 4.1 4.6 7.4 11.2 17.5 22.4 23.3 19.9 16.1 8.1 5.9 11.9 MEAN 1.5 2.2 5.0 9.9 14.1 18.9 22.1 22.6 18.7 12.8 7.2 3.4 11.5 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 3 STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 MET. AVERAGE OF MAXIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 15.0 14.8 14.2 21.6 28.5 38.1 37.6 34.9 30.2 21.0 17.6 16.0 24.1 1988 10.9 11.9 17.8 22.5 27.6 35.5 34.0 32.1 30.7 26.0 19.7 15.6 23.7 1989 10.0 11.6 17.4 24.4 29.2 32.2 35.1 35.2 31.1 26.4 21.4 14.3 24.0 1990 10.3 12.7 16.9 24.1 26.3 33.8 34.2 31.6 31.4 25.3 22.3 14.7 23.6 1991 12.4 12.4 13.4 23.2 27.0 32.1 36.4 34.2 30.0 26.9 18.6 14.0 23.4 1992 10.9 12.9 15.0 19.6 24.5 32.9 32.8 31.5 30.5 25.5 20.5 13.1 22.5 1993 11.7 10.6 16.9 22.3 26.8 31.5 33.1 33.4 30.6 24.7 13.7 12.5 22.3 1994 11.4 10.4 13.7 ****** 29.3 29.8 32.9 33.0 30.4 24.3 19.7 12.1 ****** 1995 13.5 14.4 17.4 23.5 30.3 33.9 34.1 34.4 32.0 23.6 22.1 13.4 24.4 1996 10.6 12.5 11.9 18.5 29.2 31.3 35.7 35.1 ****** ****** 18.3 16.5 ****** 1997 13.6 12.5 14.9 24.6 30.1 35.1 33.9 35.5 31.1 29.2 18.4 14.8 24.5 1998 10.4 11.6 17.7 24.9 30.0 36.1 35.3 35.9 31.5 26.5 21.4 16.7 24.8 1999 13.6 18.0 17.6 22.6 27.5 32.9 34.5 38.3 31.3 26.6 17.2 15.7 24.6 2000 12.5 14.8 15.9 26.8 29.1 32.8 36.8 36.7 32.0 24.1 18.5 15.1 24.6 2001 12.7 17.8 20.6 25.3 30.7 33.3 35.2 35.4 31.6 25.6 19.8 15.7 25.3 2002 12.7 15.6 20.3 20.3 26.1 32.6 35.9 33.5 32.6 28.7 19.8 10.7 24.1 2003 13.1 13.3 13.6 19.6 28.3 31.0 32.4 35.8 31.2 28.6 19.1 14.9 23.4 MEAN 12.1 13.4 16.2 22.7 28.3 33.2 34.7 34.5 31.1 25.8 19.3 14.4 23.8 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 4 STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 MET. DIFFERENCE BETWEEN AVERAGE MAXIMUM AND MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 11.8 11.6 7.9 13.1 13.3 21.5 19.7 12.9 13.8 12.2 12.0 13.0 13.6 1988 9.6 9.9 12.4 12.8 14.0 15.4 11.2 10.7 12.8 13.4 11.6 11.0 12.1 1989 9.5 12.3 10.9 14.4 15.3 13.2 12.0 13.3 13.6 13.3 15.3 8.9 12.7 1990 9.9 11.1 12.8 14.3 12.3 14.2 11.2 8.8 10.4 12.7 15.5 12.5 12.1 1991 11.6 11.0 8.9 13.2 14.6 14.8 14.6 12.0 11.8 13.4 11.8 12.2 12.5 1992 11.1 11.5 11.8 10.3 11.4 13.1 10.7 12.0 14.4 14.9 13.9 9.1 12.0 1993 11.2 8.4 12.3 12.1 13.6 12.9 12.7 12.4 11.8 13.6 7.8 9.1 11.5 1994 8.7 9.4 7.9 ****** 15.4 12.6 12.4 11.0 15.4 12.7 11.0 9.9 ****** 1995 10.2 11.6 12.6 13.1 15.5 15.6 12.0 11.3 13.5 12.4 14.7 11.5 12.8 1996 9.4 10.0 7.3 9.9 13.9 12.1 13.1 12.1 ****** ****** 11.8 15.4 ****** 1997 13.7 13.0 12.8 15.6 15.5 14.6 10.2 11.5 12.9 15.0 11.8 11.6 13.2 1998 8.6 10.3 12.8 13.8 15.3 14.8 12.2 12.5 12.5 13.9 13.2 11.1 12.6 1999 10.9 13.2 12.3 12.7 13.7 14.2 13.3 14.2 12.8 12.7 10.4 12.4 12.7 2000 10.7 11.7 11.1 15.4 13.8 14.7 14.3 13.0 9.7 10.8 12.6 10.2 12.3 2001 11.8 15.0 13.3 13.5 14.4 12.9 12.6 12.4 11.2 12.8 10.7 11.4 12.7 2002 9.8 11.9 13.8 9.6 11.6 13.1 12.0 9.5 10.7 12.1 10.3 9.9 11.2 2003 10.8 9.2 9.0 12.2 17.1 13.5 10.0 12.5 11.3 12.5 11.0 9.0 11.5 MEAN 10.5 11.2 11.2 12.9 14.2 14.3 12.6 11.9 12.4 13.0 12.1 11.1 12.3 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 5 STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 5.06 5.16 6.26 7.43 11.48 15.44 16.79 17.59 12.18 7.87 6.40 5.06 9.73 1988 4.69 4.57 5.98 8.12 10.74 15.66 17.64 16.28 12.98 9.15 7.10 5.46 9.86 1989 3.94 3.61 6.20 7.81 10.52 14.68 18.30 18.32 13.60 9.95 6.08 5.75 9.90 1990 4.05 4.48 5.24 7.56 10.39 14.56 16.60 16.24 15.17 9.12 6.54 4.68 9.55 1991 4.43 4.39 5.45 7.57 9.61 12.88 16.44 16.22 12.95 10.00 6.49 4.95 9.28 1992 4.35 4.55 5.07 7.59 9.56 14.58 16.50 14.20 11.69 8.35 6.34 5.19 9.00 1993 4.35 4.57 5.31 8.17 10.21 14.62 15.93 16.63 14.16 8.53 5.98 5.23 9.47 1994 4.87 4.30 6.08 ****** 10.84 13.53 16.30 17.60 11.67 9.31 7.50 4.56 ****** 1995 5.04 4.52 5.63 8.11 10.33 12.84 16.16 17.46 13.37 8.76 6.60 4.42 9.44 1996 4.17 4.62 5.33 7.22 10.66 12.81 15.79 16.14 ****** ****** 6.32 4.79 ****** 1997 4.71 4.16 4.99 7.13 10.15 14.14 16.71 17.20 12.73 9.89 6.18 4.90 9.41 1998 4.37 4.28 5.58 8.53 10.59 15.22 16.29 16.86 13.56 8.96 6.93 5.83 9.75 1999 4.74 5.37 5.77 7.81 9.79 12.40 14.48 17.19 13.01 9.81 6.25 4.95 9.30 2000 4.48 4.87 5.52 8.51 10.68 12.84 15.94 17.18 15.70 9.48 5.94 5.71 9.74 2001 4.05 4.29 6.29 8.29 11.12 13.34 14.69 15.76 13.56 9.04 7.00 5.16 9.38 2002 4.75 5.16 5.92 7.81 9.72 12.94 16.49 17.17 15.25 11.40 7.29 3.94 9.82 2003 4.47 5.09 5.59 7.22 9.37 12.31 15.93 16.07 13.38 11.06 6.75 5.85 9.42 MEAN 4.51 4.59 5.67 7.81 10.34 13.82 16.30 16.72 13.44 9.42 6.57 5.09 9.52 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 6 STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 7.18 6.56 7.16 9.82 13.31 16.39 16.74 17.63 13.02 8.99 7.65 6.44 10.91 1988 5.50 5.26 7.11 9.56 11.31 14.16 16.73 16.29 14.23 11.14 8.42 6.99 10.56 1989 4.68 4.66 7.41 9.89 11.22 14.72 18.16 19.09 15.68 12.45 7.85 7.12 11.08 1990 5.03 5.55 7.17 9.42 11.46 13.99 16.69 16.49 16.07 10.98 9.21 5.75 10.65 1991 5.38 5.05 6.18 8.15 9.88 12.71 15.75 16.21 14.36 12.05 7.86 6.46 10.00 1992 5.15 5.47 6.09 8.91 11.41 15.94 18.19 16.98 15.08 11.25 8.99 7.21 10.89 1993 6.73 6.30 9.04 13.06 16.34 19.07 19.04 19.86 17.36 12.50 7.50 6.54 12.78 1994 6.60 5.61 7.54 ****** 17.27 18.51 20.76 21.01 18.93 13.58 10.21 5.78 ****** 1995 6.05 5.76 6.75 9.34 12.47 11.87 15.40 17.76 15.34 10.44 9.68 6.41 10.61 1996 5.44 5.82 6.29 8.34 12.02 12.42 14.27 15.31 ****** ****** 7.54 6.33 ****** 1997 5.90 4.68 5.53 7.68 9.96 13.02 15.71 16.36 13.05 12.11 8.02 6.45 9.87 1998 5.49 5.19 6.52 9.85 10.28 14.34 16.23 17.73 14.49 9.29 8.55 6.87 10.40 1999 5.40 6.03 6.70 8.11 9.32 10.80 13.18 16.72 12.84 10.93 7.02 6.50 9.46 2000 5.58 6.26 7.26 11.95 12.28 14.49 17.90 20.23 17.30 11.14 7.67 7.20 11.60 2001 5.33 6.06 7.71 8.88 11.55 14.14 15.34 16.60 14.21 11.34 9.31 7.35 10.65 2002 6.01 6.70 8.35 9.67 10.99 14.28 16.09 17.47 17.47 14.07 9.86 5.19 11.35 2003 6.30 6.26 7.16 9.93 12.68 12.94 16.31 17.54 15.18 13.37 8.50 7.59 11.15 MEAN 5.75 5.72 7.06 9.54 11.99 14.35 16.62 17.61 15.29 11.61 8.47 6.60 10.88 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 7 STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 6.71 6.74 7.03 9.56 12.57 16.25 16.38 17.70 13.39 9.04 7.58 6.15 10.76 1988 5.47 5.57 7.54 10.01 11.75 15.37 16.98 16.31 14.63 11.49 8.55 7.07 10.89 1989 4.96 4.98 7.50 10.32 11.58 14.44 18.55 19.76 16.07 13.34 8.75 6.85 11.42 1990 5.13 6.06 7.28 9.39 11.51 14.96 17.05 16.89 16.43 11.82 9.49 5.89 10.99 1991 5.52 5.43 6.41 9.71 10.83 13.11 16.11 16.52 15.07 12.51 7.83 5.99 10.42 1992 5.04 5.55 6.70 9.50 12.00 15.81 17.28 16.55 14.96 11.12 7.98 6.53 10.75 1993 5.84 5.78 9.27 13.44 15.90 19.04 19.91 20.82 17.36 10.47 6.79 5.97 12.55 1994 6.09 5.26 7.62 ****** 16.73 18.30 20.14 20.70 17.93 11.85 9.14 5.83 ****** 1995 6.41 6.03 7.15 10.13 10.91 11.80 15.85 18.16 15.15 10.95 9.47 6.56 10.71 1996 5.52 6.02 6.53 9.34 12.58 12.06 14.28 15.43 ****** ****** 7.58 6.35 ****** 1997 6.25 5.18 6.09 8.44 10.02 12.89 15.53 16.73 13.58 13.12 8.19 6.79 10.23 1998 5.70 5.54 7.23 10.44 11.13 14.71 15.97 17.30 14.90 10.44 8.95 6.96 10.77 1999 5.93 6.96 7.29 8.72 10.00 11.04 13.40 16.58 13.48 11.55 7.51 6.74 9.93 2000 5.68 6.65 7.36 11.28 12.51 14.09 18.12 19.37 17.17 10.61 7.21 7.24 11.44 2001 5.61 6.03 8.02 9.70 12.26 15.20 16.70 16.57 14.57 10.18 9.00 6.87 10.89 2002 6.19 6.48 8.10 9.90 10.83 13.63 16.22 16.94 16.60 13.36 9.67 5.25 11.10 2003 6.49 6.44 6.91 9.51 11.97 12.34 16.03 17.62 14.11 13.15 8.03 6.74 10.78 MEAN 5.80 5.93 7.30 9.97 12.07 14.42 16.74 17.65 15.34 11.57 8.34 6.46 10.96 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 8 STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 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 1987 -0.5 13 -0.5 12 1.5 24 4.0 22 9.5 7 8.5 23 12.5 13 17.0 30 10.5 24 3.5 29 0.5 28 -4.5 30 -4.5 1988 -4.5 10 -3.0 7 0.5 7 2.5 7 8.0 10 16.5 1 19.0 27 17.5 26 12.0 25 6.5 23 2.5 27 1.0 24 -4.5 1989 -2.5 4 -5.0 16 3.0 7 5.0 1 7.5 2 16.0 4 21.0 7 18.0 21 11.0 26 6.5 25 0.5 23 1.0 6 -5.0 1990 -3.5 10 -3.0 8 -1.5 18 5.0 8 11.5 15 15.2 7 20.5 3 20.5 31 18.5 26 5.5 16 1.5 11 -2.5 26 -3.5 1991 -2.5 2 -4.0 16 0.5 12 5.5 14 9.5 1 12.5 2 17.5 15 18.5 27 9.5 28 10.0 14 0.5 24 -4.0 25 -4.0 1992 -5.0 30 -3.0 13 -3.0 2 5.5 9 5.5 6 16.5 7 17.5 12 15.0 31 12.0 1 4.5 17 -0.5 29 -1.5 30 -5.0 1993 -4.0 16 -4.5 16 -1.0 14 4.0 24 7.0 1 12.5 23 17.0 8 16.5 16 12.5 28 5.5 10 1.5 17 -2.0 7 -4.5 1994 -2.5 22 -3.0 11 -1.0 2 ***** ** 8.5 8 9.5 5 16.5 2 20.0 10 11.0 17 6.5 26 5.0 12 -2.5 9 ***** 1995 -0.5 8 -1.0 18 -1.0 1 5.0 8 11.0 27 14.0 1 19.5 25 20.5 28 10.5 23 3.0 18 1.5 29 -2.0 19 -2.0 1996 -3.0 16 -3.5 4 1.0 1 2.5 8 8.5 3 17.5 1 17.5 17 19.0 26 ***** ** ***** ** -0.5 20 -3.0 20 ***** 1997 -5.5 31 -6.5 9 -3.5 10 2.0 13 9.0 7 15.0 5 21.5 6 20.5 27 13.5 11 10.0 26 1.5 10 -1.0 18 -6.5 1998 -2.0 18 -3.0 16 -1.5 1 4.5 2 7.5 3 16.0 1 19.5 26 19.5 31 14.0 13 4.5 10 3.0 26 1.0 20 -3.0 1999 -4.0 3 -0.5 22 1.0 7 4.5 11 6.5 22 15.5 4 17.0 13 21.0 18 11.5 24 6.5 26 2.5 11 -0.5 1 -4.0 2000 -6.0 15 -1.5 10 1.0 5 5.0 4 9.5 12 11.5 15 21.0 14 20.5 18 15.5 26 7.0 16 -1.0 28 -0.2 30 -6.0 2001 -6.0 22 -2.0 1 -0.8 12 7.0 3 12.8 7 16.0 2 19.0 20 18.4 15 13.8 22 4.6 28 1.4 20 -0.8 23 -6.0 2002 -1.8 13 -0.8 17 -0.8 7 7.0 1 8.4 2 14.8 8 18.2 2 20.0 13 15.4 28 9.2 24 3.4 30 -3.0 4 -3.0 2003 -3.6 31 -3.2 18 -2.4 3 1.8 19 4.0 2 10.2 7 18.6 3 21.6 4 10.8 27 12.0 21 1.2 24 -2.8 13 -3.6 LOW. -6.0 15 -6.5 9 -3.5 10 1.8 19 4.0 2 8.5 23 12.5 13 15.0 31 9.5 28 3.0 18 -1.0 28 -4.5 30 -6.5 YEAR 2000 1997 1997 2003 2003 1987 1987 1992 1991 1995 2000 1987 1997 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 9 STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 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 1987 23.8 30 27.5 25 24.0 19 32.0 24 38.5 25 42.5 2 41.0 1 39.5 3 33.5 1 35.5 2 24.0 17 25.5 19 42.5 1988 15.5 28 24.0 23 27.5 30 32.0 22 37.5 18 47.0 14 38.5 13 36.5 9 44.0 9 30.0 25 31.0 8 21.0 2 47.0 1989 16.5 19 25.0 28 28.5 26 32.5 28 38.0 6 38.5 14 42.5 31 40.0 31 40.0 1 34.0 19 32.5 30 24.5 11 42.5 1990 16.5 4 23.0 17 29.0 11 35.5 27 32.5 29 42.5 3 40.0 22 35.0 23 38.5 14 30.5 1 30.5 3 26.5 5 42.5 1991 21.5 31 23.0 17 21.0 28 35.5 17 35.0 2 39.0 30 44.0 6 41.5 1 35.0 2 34.0 26 23.5 1 24.5 9 44.0 1992 17.5 2 20.5 2 25.5 30 31.0 12 36.0 29 44.5 17 38.0 9 37.5 24 33.5 2 34.5 13 31.5 6 20.0 15 44.5 1993 23.0 29 21.0 27 28.0 30 36.5 19 33.5 15 39.5 26 41.5 24 38.0 10 35.5 1 32.5 1 21.5 9 21.5 13 41.5 1994 18.5 28 22.5 27 25.5 29 ***** ** 36.0 9 38.0 1 36.5 24 37.0 15 33.5 11 31.5 19 26.5 19 19.0 14 ***** 1995 24.0 29 24.5 8 27.0 31 36.5 3 35.5 21 46.0 29 37.5 15 39.0 12 38.5 17 30.0 2 33.0 10 22.0 29 46.0 1996 17.0 5 32.5 9 21.5 31 30.5 19 40.0 25 40.5 30 42.5 25 39.5 8 ***** ** ***** ** 23.0 8 24.0 26 ***** 1997 25.5 7 19.5 18 26.0 23 37.0 24 37.5 4 44.0 12 39.0 10 40.0 12 40.0 11 36.5 13 30.0 4 24.5 8 44.0 1998 15.0 30 25.5 7 28.5 13 36.0 14 39.5 21 42.5 23 40.0 11 40.0 26 39.5 1 34.5 17 29.5 15 30.0 8 42.5 1999 21.5 11 27.5 25 25.0 16 35.0 30 35.5 16 36.5 20 38.5 19 43.0 24 37.0 2 33.5 11 29.5 25 25.5 29 43.0 2000 24.0 21 24.5 23 23.0 30 34.5 21 37.5 4 38.5 6 40.5 28 44.5 3 39.0 7 29.5 11 24.0 1 20.5 21 44.5 2001 22.5 10 27.0 21 34.0 29 37.0 25 41.0 15 43.0 23 41.5 27 41.0 2 37.0 9 38.5 6 28.0 15 26.5 29 43.0 2002 19.5 2 25.5 25 34.5 27 31.0 7 41.0 31 38.0 11 41.5 14 38.5 3 35.0 17 38.5 3 28.0 10 22.5 7 41.5 2003 23.5 7 25.5 3 19.0 21 36.0 26 38.5 31 35.5 5 37.0 17 44.5 12 37.5 3 36.5 24 26.0 2 25.0 19 44.5 HIG. 25.5 7 32.5 9 34.5 27 37.0 24 41.0 15 47.0 14 44.0 6 44.5 3 44.0 9 38.5 6 33.0 10 30.0 8 47.0 YEAR 1997 1996 2002 1997 2001 1988 1991 2000 1988 2001 1995 1998 1988 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 10 STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 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 1987 14.0 11 32.0 11 27.0 31 27.5 5 24.0 6 1.0 5 5.0 26 7.0 29 2.0 18 20.0 9 15.0 8 16.0 7 32.0 1988 16.0 29 11.0 3 13.0 5 15.0 2 5.5 2 41.0 20 6.0 16 18.0 30 1.0 13 32.0 31 20.0 29 26.5 28 41.0 1989 13.0 12 6.0 24 24.0 30 8.0 29 1.0 8 4.5 7 5.0 16 14.5 18 11.5 20 7.5 22 22.0 19 13.5 16 24.0 1990 9.5 5 9.0 26 15.0 16 12.5 30 15.0 13 3.0 6 1.5 7 1.5 1 16.5 2 25.0 14 5.0 13 7.5 10 25.0 1991 10.5 15 18.5 5 12.5 26 13.5 5 24.0 5 14.0 6 10.5 14 0.0 ** 1.0 14 34.0 8 17.5 27 15.5 26 34.0 1992 10.5 22 17.5 26 46.0 25 17.0 19 54.5 13 2.5 8 3.5 11 5.5 7 0.5 18 3.0 15 14.0 26 14.0 4 54.5 1993 10.0 19 17.5 16 43.0 23 8.5 23 7.5 8 9.0 22 4.0 8 76.0 16 5.5 15 7.0 29 25.0 14 12.0 6 76.0 1994 24.0 17 7.0 10 10.0 13 ***** ** 3.5 6 9.5 29 0.0 ** 6.0 31 45.0 30 10.0 3 17.0 24 25.0 21 ***** 1995 8.5 6 18.0 24 17.0 18 23.0 25 0.5 9 11.0 23 1.0 6 0.5 26 15.5 21 36.0 13 41.0 26 7.0 17 41.0 1996 8.0 9 18.0 11 7.5 5 10.0 16 1.5 26 8.5 27 11.0 31 4.5 14 ***** ** ***** ** 22.0 1 16.0 16 ***** 1997 12.0 19 43.5 8 15.5 8 4.5 29 20.5 5 2.0 2 2.0 7 1.5 20 7.5 15 7.5 7 15.0 6 16.5 11 43.5 1998 10.5 16 8.0 22 6.0 30 28.0 25 50.5 30 1.5 4 6.5 14 14.5 14 27.0 11 8.5 8 4.0 29 3.0 2 50.5 1999 14.5 19 15.5 4 13.5 17 22.0 9 8.5 21 0.0 ** 13.0 26 0.5 30 9.5 23 37.0 13 21.0 2 3.5 16 37.0 2000 17.5 7 12.5 14 17.0 4 3.0 1 3.0 10 11.0 13 2.5 9 5.0 9 18.0 2 11.0 2 8.5 10 10.5 12 18.0 2001 6.0 24 8.0 5 25.0 26 5.0 10 3.5 18 11.0 30 4.0 18 53.0 11 1.5 18 8.0 2 12.0 19 11.0 16 53.0 2002 14.0 12 8.0 3 13.0 23 21.5 4 12.5 13 4.0 22 0.0 ** 50.0 13 50.0 25 20.5 22 15.0 14 14.0 22 50.0 2003 5.0 29 7.5 17 21.0 8 8.0 29 21.0 8 4.5 25 8.0 24 67.0 21 0.0 ** 17.6 5 16.5 14 16.5 11 67.0 HIG. 24.0 17 43.5 8 46.0 25 28.0 25 54.5 13 41.0 20 13.0 26 76.0 16 50.0 25 37.0 13 41.0 26 26.5 28 76.0 YEAR 1994 1997 1992 1998 1992 1988 1999 1993 2002 1999 1995 1988 1993 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 11 STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 MET. MONTHLY TOTAL PRECIPITATION WITH SEASONAL PERCENT. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL SEASONAL-PERCENT ----------------------- 1987 35.0 71.0 93.0 58.5 26.5 1.0 6.0 9.0 5.0 55.5 35.5 41.5 437.5 45.5 19.7 4.6 30.3 1988 54.5 18.5 45.0 40.5 12.0 41.0 21.0 34.0 2.0 47.0 51.0 41.0 407.5 29.0 22.9 14.0 34.1 1989 22.0 11.5 89.5 13.0 2.0 4.5 6.0 16.0 21.5 14.5 22.0 68.0 290.5 42.3 6.7 15.0 36.0 1990 40.0 21.0 40.5 24.5 16.5 3.0 1.5 2.0 17.5 31.0 7.0 32.0 236.5 42.9 18.6 8.9 29.6 1991 24.0 43.5 58.0 16.0 71.5 14.5 10.5 0.0 2.0 70.5 21.5 35.0 367.0 34.2 27.8 3.4 34.6 1992 30.0 39.5 81.0 39.0 91.5 6.0 4.5 21.5 1.0 6.5 19.5 52.5 392.5 38.3 34.8 6.9 20.0 1993 27.0 64.0 81.0 16.0 7.5 18.5 6.5 84.5 11.0 7.5 76.5 28.0 428.0 40.2 9.8 23.8 26.2 1994 97.0 32.0 22.5 ****** 9.0 23.0 0.0 13.0 66.5 24.5 49.5 59.5 ****** 38.2 8.1 20.1 33.7 1995 18.5 20.5 30.0 55.0 0.5 12.0 2.0 0.5 29.5 57.5 75.5 19.1 320.6 21.5 21.1 10.0 47.4 1996 17.5 43.5 42.0 38.5 4.5 22.0 11.5 5.0 ****** ****** 66.5 22.0 ****** 37.7 23.8 6.0 32.4 1997 36.0 58.0 44.5 6.5 34.5 5.0 4.5 2.0 15.5 24.0 46.5 41.0 318.0 43.6 14.5 6.9 35.1 1998 68.0 34.5 18.0 68.0 64.5 1.5 11.0 32.5 35.2 25.5 7.5 8.5 374.7 32.2 35.8 21.0 11.1 1999 48.5 21.0 41.5 69.5 17.5 0.0 21.0 0.5 22.0 53.5 57.0 5.5 357.5 31.0 24.3 12.2 32.4 2000 41.0 49.0 55.0 3.0 3.0 12.0 4.0 11.0 32.5 43.5 14.0 42.5 310.5 46.7 5.8 15.3 32.2 2001 13.0 23.5 54.0 8.5 3.5 11.0 4.0 53.0 1.5 16.5 37.0 22.5 248.0 36.5 9.3 23.6 30.6 2002 37.0 18.0 24.0 57.0 18.5 4.0 0.0 88.0 50.0 36.5 57.0 32.0 422.0 18.7 18.8 32.7 29.7 2003 9.0 35.5 65.0 36.2 24.0 7.0 14.2 68.3 0.0 29.6 73.8 40.5 403.1 27.2 16.7 20.5 35.7 MEAN 36.4 35.6 52.0 34.4 23.9 10.9 7.5 25.9 19.5 34.0 42.2 34.8 357.1 34.7 19.4 14.8 31.1 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 12 STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 MET. NO. OF DAYS WITH PRECIPITATION YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 3 7 12 7 3 1 2 3 3 6 4 7 58 1988 9 5 9 8 3 1 8 4 2 4 7 5 65 1989 3 3 9 4 2 1 2 2 3 5 1 13 48 1990 8 5 8 3 3 1 1 2 2 3 4 8 48 1991 6 5 10 4 6 2 1 0 2 4 3 6 49 1992 8 8 9 8 9 4 2 8 2 3 3 8 72 1993 8 9 10 5 1 6 2 2 3 2 11 7 66 1994 8 11 7 *** 5 7 1 5 6 7 8 7 *** 1995 8 3 8 8 1 4 3 4 6 6 3 8 62 1996 7 9 11 10 5 6 3 2 *** *** 5 4 *** 1997 8 6 11 4 6 4 6 2 8 7 7 7 76 1998 15 8 7 5 4 2 4 6 8 7 4 5 75 1999 7 3 10 8 7 2 6 1 6 5 9 3 67 2000 4 8 7 1 1 3 2 3 7 9 3 7 55 2001 4 4 6 3 2 1 1 1 1 5 6 4 38 2002 5 4 5 9 2 2 0 5 1 2 6 7 48 2003 3 11 12 8 2 2 4 3 0 4 8 7 64 MEAN 7 6 9 6 4 3 3 3 4 5 5 7 62 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 13 STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 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 1987 3 7 12 7 2 1 2 3 3 6 3 6 55 1988 9 5 9 8 3 1 8 4 2 4 7 5 65 1989 3 3 9 3 2 1 2 2 3 4 1 13 46 1990 7 5 8 3 2 1 1 1 2 3 2 8 43 1991 6 5 10 3 6 1 1 0 2 3 2 6 45 1992 6 5 7 7 8 4 2 7 0 3 2 7 58 1993 8 7 9 5 1 5 2 2 2 1 11 7 60 1994 7 9 5 *** 4 6 0 4 5 6 7 7 *** 1995 5 2 6 5 0 2 2 0 4 5 3 7 41 1996 5 9 10 8 4 4 1 1 *** *** 4 3 *** 1997 7 6 8 2 5 3 2 1 2 7 7 6 56 1998 13 8 6 5 4 1 2 5 3 6 3 4 60 1999 6 2 6 7 4 0 4 0 4 5 8 3 49 2000 4 8 7 1 1 1 2 3 6 9 3 7 52 2001 4 4 6 3 1 1 1 1 1 4 6 4 36 2002 5 4 5 9 2 1 0 5 1 2 6 7 47 2003 3 11 12 8 2 2 3 1 0 4 8 7 61 MEAN 6 6 8 5 3 2 2 2 3 5 5 6 53 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 14 STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 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 1987 2 4 3 2 1 0 0 0 0 3 2 1 18 1988 1 1 2 1 0 1 0 2 0 1 3 1 13 1989 1 0 4 0 0 0 0 1 1 0 1 1 9 1990 0 0 1 1 1 0 0 0 1 1 0 0 5 1991 1 1 2 1 4 1 1 0 0 3 1 1 16 1992 1 1 2 1 2 0 0 0 0 0 1 2 10 1993 1 3 2 0 0 0 0 1 0 0 2 1 10 1994 4 0 1 *** 0 0 0 0 2 1 3 2 *** 1995 0 1 1 2 0 1 0 0 1 1 3 0 10 1996 0 1 0 1 0 0 1 0 *** *** 3 1 *** 1997 2 1 1 0 1 0 0 0 0 0 3 1 9 1998 2 0 0 3 1 0 0 2 1 0 0 0 9 1999 3 1 2 3 0 0 1 0 0 1 1 0 12 2000 2 2 2 0 0 1 0 0 1 2 0 1 11 2001 0 0 2 0 0 1 0 1 0 0 1 1 6 2002 2 0 1 2 1 0 0 2 1 2 4 1 16 2003 0 0 2 0 1 0 0 1 0 1 4 1 10 MEAN 1 1 2 1 1 0 0 1 1 1 2 1 12 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 15 STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 94 93 93 89 86 83 82 87 85 88 90 90 88 1988 94 93 90 88 84 80 85 87 86 84 90 91 88 1989 94 91 93 87 82 82 84 86 86 87 88 93 88 1990 93 92 89 80 85 77 79 84 87 87 87 92 86 1991 94 91 93 85 87 84 84 85 87 90 89 93 89 1992 94 94 93 93 91 90 89 91 89 90 92 94 92 1993 93 95 93 97 95 95 88 92 93 91 95 95 94 1994 95 92 95 *** 93 93 92 94 95 94 95 92 *** 1995 92 86 93 91 82 80 82 86 87 90 91 93 88 1996 93 93 94 94 85 80 80 84 *** *** 94 90 *** 1997 91 90 92 87 83 80 82 83 88 84 94 93 87 1998 93 92 90 91 83 79 81 85 88 84 89 92 87 1999 91 88 90 91 85 76 78 79 84 84 90 92 86 2000 91 91 90 89 82 77 78 82 87 87 87 95 86 2001 86 82 85 87 82 76 75 80 82 84 87 90 83 2002 94 90 85 92 86 78 80 84 87 85 93 90 87 2003 93 92 93 92 84 81 85 83 85 87 90 91 88 MEAN 93 91 91 90 86 82 83 85 87 87 91 92 88 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 16 STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 73 76 80 69 62 51 54 58 55 65 69 69 65 1988 76 69 67 65 55 45 57 60 57 60 67 74 63 1989 70 61 69 61 50 53 56 60 61 64 56 78 62 1990 72 69 67 62 61 49 54 62 61 61 61 68 62 1991 69 68 74 57 58 50 51 55 61 60 64 71 62 1992 73 71 68 75 70 62 67 69 64 62 67 84 69 1993 85 89 86 89 86 76 68 74 74 71 84 82 80 1994 85 81 84 *** 79 81 74 74 77 77 75 71 *** 1995 72 63 65 62 53 43 52 60 59 62 64 72 61 1996 74 71 80 74 56 50 44 48 *** *** 61 59 *** 1997 67 59 59 48 44 43 53 50 52 55 66 68 55 1998 76 68 59 58 46 43 52 55 56 48 60 65 57 1999 61 56 63 56 49 39 43 45 50 56 64 66 54 2000 68 69 72 62 56 53 51 60 64 65 62 76 63 2001 65 57 60 54 50 51 49 52 54 60 71 75 58 2002 72 69 64 75 59 51 48 60 62 63 74 75 64 2003 76 77 82 79 60 52 61 55 59 62 72 79 68 MEAN 73 69 71 65 58 52 55 59 60 62 67 72 64 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 17 STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 84 85 87 80 69 62 64 67 68 78 81 84 76 1988 89 82 81 78 66 58 65 67 69 73 80 87 75 1989 83 80 80 73 62 61 65 70 74 79 78 87 74 1990 84 83 80 72 73 63 65 71 71 77 77 80 75 1991 81 81 82 72 65 57 53 58 69 76 79 84 71 1992 85 83 78 80 75 63 66 66 66 77 81 90 76 1993 92 91 94 92 86 79 74 78 80 78 88 88 85 1994 91 88 90 *** 81 84 77 79 81 86 88 85 *** 1995 83 73 70 71 52 44 55 63 63 80 80 89 69 1996 86 81 86 82 65 55 51 57 *** *** 74 76 *** 1997 83 77 75 64 53 52 61 61 66 72 84 87 70 1998 87 82 75 72 59 53 56 58 71 68 78 81 70 1999 82 75 76 70 60 49 52 52 61 70 79 84 68 2000 85 88 87 72 73 64 61 67 74 77 77 94 77 2001 88 74 78 69 66 65 60 60 64 68 84 88 72 2002 89 83 78 85 71 59 57 65 67 72 92 93 76 2003 91 91 91 88 70 61 68 66 64 74 85 88 78 MEAN 86 82 82 76 67 61 62 65 69 75 81 86 74 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 18 STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 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 1987 0 0 0 0 0 0 0 0 0 0 0 1 1 1988 4 0 0 0 0 0 0 0 0 0 0 0 4 1989 0 1 0 0 0 0 0 0 0 0 0 0 1 1990 0 0 0 0 0 0 0 0 0 0 0 0 0 1991 0 1 0 0 0 0 0 0 0 0 0 1 2 1992 5 0 0 0 0 0 0 0 0 0 0 0 5 1993 1 1 0 0 0 0 0 0 0 0 0 0 2 1994 0 0 0 *** 0 0 0 0 0 0 0 0 *** 1995 0 0 0 0 0 0 0 0 0 0 0 0 0 1996 0 0 0 0 0 0 0 0 *** *** 0 0 *** 1997 3 5 0 0 0 0 0 0 0 0 0 0 8 1998 0 0 0 0 0 0 0 0 0 0 0 0 0 1999 1 0 0 0 0 0 0 0 0 0 0 0 1 2000 1 0 0 0 0 0 0 0 0 0 0 0 1 2001 5 0 0 0 0 0 0 0 0 0 0 0 5 2002 0 0 0 0 0 0 0 0 0 0 0 0 0 2003 0 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 1 0 0 0 0 0 0 0 0 0 0 0 1 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 19 STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 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 1987 0 0 0 0 0 0 5 24 1 0 0 0 30 1988 0 0 0 0 0 9 28 24 3 0 0 0 64 1989 0 0 0 0 0 5 31 21 7 0 0 0 64 1990 0 0 0 0 0 10 28 29 16 1 0 0 84 1991 0 0 0 0 0 0 24 26 9 0 0 0 59 1992 0 0 0 0 0 8 26 3 0 0 0 0 37 1993 0 0 0 0 0 4 12 19 9 0 0 0 44 1994 0 0 0 *** 0 1 13 24 0 0 0 0 *** 1995 0 0 0 0 0 2 26 30 10 0 0 0 68 1996 0 0 0 0 1 3 27 28 *** *** 0 0 *** 1997 0 0 0 0 0 16 31 30 6 0 0 0 83 1998 0 0 0 0 0 20 28 30 9 0 0 0 87 1999 0 0 0 0 0 4 18 31 6 0 0 0 59 2000 0 0 0 0 0 1 31 30 23 0 0 0 85 2001 0 0 0 0 1 12 26 23 16 1 0 0 79 2002 0 0 0 0 0 11 29 28 23 5 0 0 96 2003 0 0 0 0 0 2 26 31 14 0 0 0 73 MEAN 0 0 0 0 0 6 24 25 10 0 0 0 65 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 20 STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 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 1987 0 0 0 0 0 0 0 0 0 0 0 0 0 1988 0 0 0 0 0 0 0 0 0 0 0 0 0 1989 0 0 0 0 0 0 0 0 0 0 0 0 0 1990 0 0 0 0 0 0 0 0 0 0 0 0 0 1991 0 0 0 0 0 0 0 0 0 0 0 0 0 1992 0 0 0 0 0 0 0 0 0 0 0 0 0 1993 0 0 0 0 0 0 0 0 0 0 0 0 0 1994 0 0 0 *** 0 0 0 0 0 0 0 0 *** 1995 0 0 0 0 0 0 0 0 0 0 0 0 0 1996 0 0 0 0 0 0 0 0 *** *** 0 0 *** 1997 0 0 0 0 0 0 0 0 0 0 0 0 0 1998 0 0 0 0 0 0 0 0 0 0 0 0 0 1999 0 0 0 0 0 0 0 0 0 0 0 0 0 2000 0 0 0 0 0 0 0 0 0 0 0 0 0 2001 0 0 0 0 0 0 0 0 0 0 0 0 0 2002 0 0 0 0 0 0 0 0 0 0 0 0 0 2003 0 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 0 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 21 STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 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 1987 0 0 0 3 11 18 31 29 19 2 0 0 113 1988 0 0 0 1 13 29 29 25 16 1 1 0 115 1989 0 0 0 3 11 23 30 30 20 7 1 0 125 1990 0 0 0 2 4 27 28 22 20 4 1 0 108 1991 0 0 0 5 10 21 29 30 17 5 0 0 117 1992 0 0 0 3 6 21 27 24 24 6 1 0 112 1993 0 0 0 5 5 18 27 27 18 1 0 0 101 1994 0 0 0 *** 14 16 28 28 22 1 0 0 *** 1995 0 0 0 6 21 28 30 31 20 1 3 0 140 1996 0 1 0 1 15 19 30 31 *** *** 0 0 *** 1997 0 0 0 5 19 27 29 31 16 13 1 0 141 1998 0 0 0 6 18 30 29 30 21 11 0 2 147 1999 0 0 0 2 13 26 30 31 18 12 0 0 132 2000 0 0 0 9 16 26 31 30 26 0 0 0 138 2001 0 0 3 6 18 23 31 31 23 1 0 0 136 2002 0 0 2 1 8 21 30 26 29 13 0 0 130 2003 0 0 0 4 14 22 26 31 16 7 0 0 120 MEAN 0 0 0 4 13 23 29 29 20 5 0 0 123 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 22 STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 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 1987 0 0 0 0 0 6 8 0 0 0 0 0 14 1988 0 0 0 0 0 4 0 0 1 0 0 0 5 1989 0 0 0 0 0 0 2 1 1 0 0 0 4 1990 0 0 0 0 0 3 1 0 0 0 0 0 4 1991 0 0 0 0 0 0 5 1 0 0 0 0 6 1992 0 0 0 0 0 1 0 0 0 0 0 0 1 1993 0 0 0 0 0 0 1 0 0 0 0 0 1 1994 0 0 0 *** 0 0 0 0 0 0 0 0 *** 1995 0 0 0 0 0 2 0 0 0 0 0 0 2 1996 0 0 0 0 1 1 1 0 *** *** 0 0 *** 1997 0 0 0 0 0 1 0 1 2 0 0 0 4 1998 0 0 0 0 0 2 1 1 0 0 0 0 4 1999 0 0 0 0 0 0 0 6 0 0 0 0 6 2000 0 0 0 0 0 0 2 4 0 0 0 0 6 2001 0 0 0 0 1 4 4 1 0 0 0 0 10 2002 0 0 0 0 1 0 3 0 0 0 0 0 4 2003 0 0 0 0 0 0 0 3 0 0 0 0 3 MEAN 0 0 0 0 0 1 2 1 0 0 0 0 4 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 23 STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 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 1987 0 0 0 0 0 0 0 0 0 0 0 0 0 1988 0 0 0 0 0 2 0 0 0 0 0 0 2 1989 0 0 0 0 0 0 0 0 0 0 0 0 0 1990 0 0 0 0 0 0 0 0 0 0 0 0 0 1991 0 0 0 0 0 0 0 0 0 0 0 0 0 1992 0 0 0 0 0 0 0 0 0 0 0 0 0 1993 0 0 0 0 0 0 0 0 0 0 0 0 0 1994 0 0 0 *** 0 0 0 0 0 0 0 0 *** 1995 0 0 0 0 0 1 0 0 0 0 0 0 1 1996 0 0 0 0 0 0 0 0 *** *** 0 0 *** 1997 0 0 0 0 0 0 0 0 0 0 0 0 0 1998 0 0 0 0 0 0 0 0 0 0 0 0 0 1999 0 0 0 0 0 0 0 0 0 0 0 0 0 2000 0 0 0 0 0 0 0 0 0 0 0 0 0 2001 0 0 0 0 0 0 0 0 0 0 0 0 0 2002 0 0 0 0 0 0 0 0 0 0 0 0 0 2003 0 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 0 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 24 STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 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 -------------- 1987 1 1 0 0 0 0 0 0 0 0 0 1 3 12 30 2 12 1988 12 6 0 0 0 0 0 0 0 0 0 0 18 1 1 2 28 1989 12 19 0 0 0 0 0 0 0 0 0 0 31 1 4 2 27 1990 12 7 2 0 0 0 0 0 0 0 0 5 26 12 22 3 21 1991 10 6 0 0 0 0 0 0 0 0 0 13 29 12 16 2 24 1992 15 10 8 0 0 0 0 0 0 0 1 3 37 11 29 3 26 1993 14 6 2 0 0 0 0 0 0 0 0 5 27 12 1 3 17 1994 5 12 1 *** 0 0 0 0 0 0 0 12 *** 12 7 3 2 1995 3 8 1 0 0 0 0 0 0 0 0 10 22 12 11 3 1 1996 10 7 0 0 0 0 0 0 *** *** 1 12 *** 11 20 2 28 1997 17 15 9 0 0 0 0 0 0 0 0 6 47 12 13 3 15 1998 7 11 4 0 0 0 0 0 0 0 0 0 22 1 4 3 6 1999 8 2 0 0 0 0 0 0 0 0 0 1 11 12 1 2 22 2000 12 6 0 0 0 0 0 0 0 0 2 1 21 11 28 2 11 2001 13 6 1 0 0 0 0 0 0 0 0 3 23 12 22 3 12 2002 11 4 4 0 0 0 0 0 0 0 0 11 30 12 3 3 11 2003 8 3 2 0 0 0 0 0 0 0 0 3 16 12 12 3 31 MEAN 10 8 2 0 0 0 0 0 0 0 0 5 25 11 20 3 31 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 25 STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 MET. AVERAGE OF DRY BULB TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 9.6 9.4 10.4 15.6 22.7 29.0 29.1 29.1 24.1 15.8 12.3 9.1 18.0 1988 6.6 7.4 11.9 16.7 22.2 29.2 28.9 27.5 25.1 20.1 14.4 10.1 18.3 1989 5.3 5.7 12.2 17.9 23.2 27.3 30.3 29.9 25.3 20.8 14.4 10.0 18.5 1990 5.7 7.8 11.1 17.4 21.1 28.0 29.3 27.4 26.8 19.4 15.6 8.3 18.2 1991 7.3 7.1 9.2 17.1 20.4 26.1 30.0 29.1 24.8 21.0 13.3 8.9 17.8 1992 6.0 7.3 9.6 14.9 19.3 26.7 27.9 26.1 24.4 18.7 13.5 8.6 16.9 1993 6.7 6.3 10.9 16.7 20.7 25.8 27.9 27.7 24.7 18.0 9.7 7.9 16.9 1994 7.2 5.8 10.2 ****** 22.7 24.2 27.7 28.1 24.0 18.5 14.5 7.4 ****** 1995 9.0 9.8 12.2 17.9 23.9 27.8 29.4 29.5 26.2 18.0 15.4 8.2 18.9 1996 6.3 7.9 8.6 13.9 23.0 26.0 29.8 29.4 ****** ****** 13.1 10.5 ****** 1997 8.7 7.2 9.6 17.2 23.4 28.4 29.0 30.0 24.9 22.5 12.8 9.4 18.6 1998 6.6 6.9 11.9 18.5 23.3 29.8 29.9 30.2 25.5 20.2 15.5 11.6 19.1 1999 8.6 11.9 12.1 16.5 21.3 26.8 28.7 31.9 25.8 21.1 12.4 10.0 18.9 2000 7.5 8.9 10.8 19.7 22.6 26.5 30.7 30.4 26.9 19.0 12.6 9.9 18.8 2001 6.8 10.5 14.0 18.5 23.8 27.2 29.5 29.5 26.3 19.9 14.6 9.9 19.2 2002 7.9 9.8 13.8 15.3 20.4 26.8 30.2 29.0 27.4 23.1 14.4 5.3 18.6 2003 7.8 8.3 9.4 13.9 21.2 24.9 27.3 29.4 25.6 22.5 13.1 10.1 17.8 MEAN 7.3 8.1 11.1 16.7 22.1 27.1 29.1 29.1 25.5 19.9 13.6 9.1 18.2 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 26 STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 MET. AVERAGE OF DEW POINT TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 6.7 6.6 8.2 11.8 17.0 21.2 21.8 22.8 17.7 11.4 8.8 6.1 13.3 1988 4.3 4.0 8.2 12.4 15.6 20.2 22.3 21.5 18.9 14.6 10.3 7.3 13.3 1989 2.2 1.6 8.6 12.7 15.4 19.7 23.4 24.1 19.9 16.3 9.4 7.6 13.4 1990 2.9 4.5 7.2 11.8 15.5 19.6 22.0 21.8 21.2 14.5 10.8 4.5 13.0 1991 4.0 3.5 6.3 11.1 14.0 17.8 21.3 21.6 19.1 16.0 9.1 5.8 12.5 1992 3.6 4.4 5.9 11.6 15.1 20.6 22.5 21.1 18.9 14.0 9.8 6.9 12.9 1993 5.0 4.9 9.4 15.4 18.7 22.5 23.3 24.1 21.3 14.4 7.9 5.8 14.4 1994 5.7 3.7 8.5 ****** 19.7 21.6 24.0 24.6 21.1 15.8 12.0 4.4 ****** 1995 5.8 4.5 7.4 12.5 15.5 16.8 21.1 23.0 19.6 13.7 11.1 5.6 13.1 1996 3.7 4.7 6.4 10.9 16.2 17.2 19.9 20.8 ****** ****** 8.6 5.7 ****** 1997 5.2 2.7 4.9 9.9 13.8 18.4 21.2 22.0 18.1 16.2 9.3 6.2 12.3 1998 4.2 3.5 7.0 13.0 14.8 19.9 21.4 22.5 19.4 12.9 10.6 7.5 13.1 1999 4.5 6.5 7.6 10.9 13.4 15.9 18.7 22.0 18.0 14.9 8.3 6.4 12.2 2000 4.2 5.9 7.7 14.5 16.4 18.7 22.3 23.9 21.8 14.4 8.0 7.9 13.8 2001 3.0 4.8 8.9 12.1 16.1 19.2 20.6 21.4 19.1 13.9 11.1 7.2 13.1 2002 5.3 6.4 9.1 12.4 14.7 18.6 21.5 22.4 21.7 17.7 12.0 2.8 13.7 2003 5.4 6.0 7.5 11.5 15.4 17.3 21.4 22.3 19.1 17.3 9.9 7.7 13.4 MEAN 4.5 4.6 7.6 12.2 15.7 19.1 21.7 22.5 19.7 14.9 9.8 6.2 13.2 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 27 STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 MET. AVERAGE OF MIXING RATIO IN G/KG YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 6.23 6.17 6.82 8.94 12.45 16.03 16.64 17.64 12.86 8.63 7.21 5.95 10.46 1988 5.22 5.13 6.88 9.23 11.26 15.06 17.11 16.29 13.95 10.60 8.02 6.51 10.44 1989 4.52 4.42 7.04 9.34 11.11 14.61 18.34 19.06 15.12 11.91 7.56 6.57 10.80 1990 4.74 5.36 6.57 8.79 11.12 14.50 16.78 16.54 15.89 10.64 8.42 5.44 10.40 1991 5.11 4.96 6.01 8.48 10.11 12.90 16.10 16.32 14.13 11.52 7.40 5.92 9.91 1992 4.98 5.25 5.95 8.67 10.99 15.45 17.32 15.91 13.91 10.24 7.77 6.31 10.23 1993 5.59 5.55 7.87 11.56 14.15 17.58 18.29 19.10 16.29 10.50 6.76 5.90 11.60 1994 5.82 5.06 7.08 ****** 14.95 16.78 19.06 19.77 16.18 11.58 8.89 5.39 ****** 1995 5.83 5.44 6.51 9.19 11.24 12.17 15.80 17.79 14.62 10.04 8.58 5.80 10.25 1996 5.04 5.49 6.05 8.30 11.75 12.43 14.78 15.63 ****** ****** 7.14 5.82 ****** 1997 5.62 4.67 5.54 7.75 10.05 13.35 15.98 16.76 13.12 11.71 7.46 6.05 9.84 1998 5.18 5.00 6.44 9.61 10.66 14.75 16.16 17.30 14.32 9.56 8.14 6.55 10.31 1999 5.35 6.12 6.59 8.21 9.70 11.41 13.68 16.83 13.11 10.77 6.93 6.07 9.56 2000 5.25 5.93 6.71 10.58 11.82 13.80 17.32 18.93 16.72 10.41 6.94 6.72 10.93 2001 4.99 5.46 7.34 8.96 11.64 14.22 15.58 16.31 14.11 10.19 8.44 6.46 10.31 2002 5.65 6.12 7.46 9.13 10.51 13.61 16.27 17.19 16.44 12.94 8.94 4.79 10.75 2003 5.75 5.93 6.55 8.89 11.34 12.53 16.09 17.07 14.22 12.53 7.76 6.73 10.45 MEAN 5.35 5.42 6.67 9.10 11.46 14.19 16.55 17.32 14.69 10.86 7.79 6.06 10.45 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 28 STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 MET. AVERAGE OF VAPOUR PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 10.03 9.93 10.97 14.31 19.84 25.41 26.35 27.90 20.49 13.84 11.59 9.59 16.69 1988 8.42 8.28 11.06 14.78 17.99 23.92 27.09 25.83 22.18 16.94 12.88 10.47 16.65 1989 7.30 7.13 11.32 14.97 17.75 23.21 28.97 30.08 23.98 19.00 12.15 10.58 17.20 1990 7.65 8.65 10.56 14.10 17.77 23.05 26.58 26.21 25.21 17.00 13.49 8.77 16.59 1991 8.24 8.00 9.69 13.59 16.18 20.55 25.52 25.86 22.46 18.39 11.88 9.53 15.83 1992 8.03 8.47 9.59 13.90 17.55 24.51 27.42 25.23 22.12 16.38 12.48 10.16 16.32 1993 9.01 8.95 12.63 18.41 22.47 27.78 28.89 30.14 25.81 16.78 10.87 9.51 18.44 1994 9.37 8.16 11.38 ****** 23.71 26.55 30.08 31.16 25.62 18.48 14.26 8.69 ****** 1995 9.40 8.77 10.48 14.73 17.94 19.41 25.07 28.14 23.23 16.07 13.76 9.34 16.36 1996 8.14 8.85 9.75 13.32 18.76 19.82 23.48 24.80 ****** ****** 11.49 9.38 ****** 1997 9.06 7.54 8.93 12.45 16.07 21.26 25.35 26.55 20.90 18.68 11.99 9.74 15.71 1998 8.36 8.07 10.37 15.38 17.05 23.44 25.63 27.38 22.76 15.31 13.06 10.55 16.45 1999 8.63 9.86 10.60 13.19 15.54 18.23 21.78 26.65 20.88 17.21 11.14 9.77 15.29 2000 8.46 9.55 10.80 16.91 18.87 21.95 27.39 29.87 26.48 16.65 11.16 10.81 17.41 2001 8.05 8.80 11.79 14.36 18.58 22.61 24.70 25.84 22.44 16.29 13.53 10.39 16.45 2002 9.11 9.85 11.98 14.63 16.82 21.66 25.79 27.22 26.05 20.62 14.33 7.74 17.15 2003 9.27 9.55 10.54 14.23 18.10 19.98 25.51 27.03 22.60 19.97 12.47 10.82 16.67 MEAN 8.62 8.73 10.73 14.58 18.29 22.55 26.21 27.41 23.33 17.35 12.50 9.76 16.67 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 29 STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 MET. AVERAGE OF SATURATION DEFICIT PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 2.46 2.42 1.83 4.41 8.98 16.24 14.80 13.37 10.47 5.05 3.32 2.72 7.17 1988 1.55 2.50 3.40 5.38 10.12 17.84 13.59 11.53 10.86 7.41 4.23 2.24 7.55 1989 1.88 2.57 3.66 6.69 11.90 14.05 14.93 12.94 9.78 6.70 5.19 2.05 7.70 1990 1.82 2.53 3.53 6.60 8.00 15.83 15.00 10.88 10.74 6.68 5.39 3.04 7.50 1991 2.32 2.51 2.24 7.23 8.99 14.54 18.26 15.32 9.76 7.39 3.97 2.49 7.92 1992 1.60 2.14 3.03 3.79 6.28 11.90 11.00 9.75 9.78 6.60 3.95 1.35 5.93 1993 1.26 0.95 1.37 1.82 3.23 6.73 9.72 7.72 6.17 4.67 1.59 1.43 3.89 1994 1.04 1.49 1.52 ****** 5.37 5.05 7.79 7.62 5.63 3.75 2.89 2.12 ****** 1995 2.54 3.80 4.50 7.31 13.15 19.89 16.70 13.95 12.67 5.70 5.35 2.10 8.97 1996 1.74 2.60 1.67 3.29 10.78 14.91 19.45 17.40 ****** ****** 4.33 3.96 ****** 1997 2.74 3.10 3.75 8.70 14.36 18.86 15.28 16.66 11.82 9.90 3.53 2.84 9.29 1998 1.63 2.49 4.41 7.30 13.05 19.72 17.50 16.59 10.94 9.81 5.43 3.85 9.39 1999 3.02 4.93 4.15 6.38 10.91 17.97 18.59 21.94 13.67 9.03 3.90 3.08 9.80 2000 2.49 2.35 2.67 7.52 9.66 13.94 17.93 14.82 9.54 5.92 4.13 1.71 7.72 2001 2.38 4.79 5.50 8.08 12.47 14.70 17.80 16.52 12.67 7.95 3.80 2.41 9.09 2002 1.97 2.90 5.12 3.40 8.49 14.66 18.18 13.83 11.30 8.81 2.72 1.50 7.74 2003 1.85 1.82 1.49 2.87 8.73 12.41 11.45 15.03 11.41 8.11 3.19 2.09 6.71 MEAN 2.02 2.70 3.17 5.67 9.67 14.66 15.17 13.87 10.45 7.09 3.94 2.41 7.57 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 30 STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 MET. AVERAGE OF RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 83 84 87 79 73 65 67 71 69 77 80 82 76 1988 86 81 80 77 68 61 69 72 70 72 79 84 75 1989 82 77 81 74 65 65 69 72 74 77 74 86 75 1990 83 81 79 71 73 63 66 72 73 75 75 80 74 1991 81 80 83 71 70 64 63 66 72 75 78 83 74 1992 86 83 79 83 79 71 74 75 73 76 80 89 79 1993 90 91 91 93 89 83 77 81 82 80 89 88 86 1994 91 87 90 *** 84 86 81 82 84 85 86 83 *** 1995 83 74 76 75 62 55 63 70 70 78 78 85 72 1996 84 82 87 83 69 62 59 63 *** *** 76 75 *** 1997 80 75 75 66 60 58 65 65 69 70 81 83 71 1998 85 81 74 74 63 59 63 66 71 67 75 79 71 1999 78 73 76 72 64 54 58 59 65 70 78 81 69 2000 81 83 83 74 70 65 63 70 75 76 75 89 75 2001 79 71 74 70 66 64 61 64 67 70 81 85 71 2002 85 81 76 84 72 63 62 70 72 73 86 86 76 2003 86 87 88 86 71 65 72 68 69 74 83 86 78 MEAN 84 81 81 77 70 65 67 70 72 75 80 84 76 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 31 STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 MET. AVERAGE OF MAXIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 95 93 94 89 88 83 82 87 85 88 91 92 89 1988 94 93 91 89 84 80 86 87 86 85 91 93 88 1989 94 92 93 89 82 82 84 86 87 87 90 94 88 1990 94 93 90 81 85 78 80 84 87 88 88 92 87 1991 94 93 93 86 87 84 84 85 87 90 89 94 89 1992 94 94 93 93 92 90 89 91 90 90 93 95 92 1993 95 96 97 97 96 95 88 92 93 91 95 96 94 1994 96 94 96 *** 93 93 92 94 95 94 94 92 *** 1995 94 91 94 92 82 80 82 86 87 91 92 95 89 1996 94 94 95 94 86 80 80 84 *** *** 94 91 *** 1997 92 91 92 87 83 80 82 83 88 85 94 94 88 1998 93 93 90 91 84 79 81 85 89 85 89 92 88 1999 91 89 90 91 86 76 79 80 85 85 91 93 86 2000 91 94 93 89 84 79 78 83 87 88 89 97 88 2001 93 86 87 87 84 78 76 80 83 84 90 94 85 2002 96 93 88 93 87 79 80 84 87 85 95 96 89 2003 95 95 94 93 84 82 86 83 85 87 91 94 89 MEAN 94 93 92 90 86 82 83 86 88 88 92 94 89 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 32 STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 MET. AVERAGE OF MINIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 72 75 80 69 59 51 52 57 55 64 69 69 64 1988 76 68 67 64 55 44 56 58 56 59 66 73 62 1989 69 60 68 61 49 52 56 59 61 64 55 77 61 1990 71 68 66 61 60 49 54 61 61 61 60 67 62 1991 69 68 74 57 56 47 48 52 59 59 64 71 60 1992 76 72 67 73 68 58 63 64 63 61 66 83 68 1993 84 86 84 88 83 75 68 73 74 71 82 80 79 1994 85 80 83 *** 77 80 73 73 77 76 76 71 *** 1995 71 58 61 61 48 40 51 58 56 62 64 71 58 1996 74 70 79 73 54 47 43 47 *** *** 60 57 *** 1997 66 58 59 48 42 42 52 50 52 54 66 68 55 1998 76 68 58 57 46 43 50 53 56 48 60 65 57 1999 61 56 62 56 47 39 43 44 50 55 63 66 54 2000 68 69 70 61 55 51 49 58 63 63 61 76 62 2001 63 55 59 53 49 49 47 50 53 58 70 73 57 2002 72 69 63 74 59 49 48 59 61 62 74 74 64 2003 75 77 82 78 59 52 60 55 58 62 72 78 67 MEAN 72 68 70 65 57 51 54 57 60 61 66 72 63 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 33 STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 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 1987 3 4 7 2 1 0 1 1 0 4 3 3 29 1988 5 1 3 3 2 1 1 2 0 2 4 2 26 1989 2 1 6 1 0 0 1 1 2 1 1 7 23 1990 5 1 2 2 1 0 0 0 1 1 1 3 17 1991 2 3 5 1 5 1 1 0 0 3 1 4 26 1992 2 3 3 3 4 0 0 2 0 0 2 5 24 1993 2 6 3 1 1 1 0 2 2 1 5 2 26 1994 6 2 2 *** 0 2 0 1 2 1 3 3 *** 1995 1 1 1 5 0 1 0 0 2 3 3 1 18 1996 1 3 4 4 0 3 1 0 *** *** 4 1 *** 1997 2 2 4 0 2 0 0 0 2 2 3 3 20 1998 8 4 1 3 2 0 1 3 1 2 0 0 25 1999 4 2 3 4 2 0 1 0 2 3 5 0 26 2000 2 5 4 0 0 1 0 1 1 4 1 4 23 2001 1 3 2 1 0 1 0 1 0 1 4 2 16 2002 3 1 2 3 2 0 0 2 1 2 5 2 23 2003 1 3 4 3 1 0 1 1 0 2 6 3 25 MEAN 3 3 3 2 1 1 0 1 1 2 3 3 23 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 34 STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 MET. HIGHEST AND LOWEST LIMITS FOR 17 YEARS DURING 1987-2003 ELE- JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MENT --------------------------------------------------------------------------------------------- NO. HIG. DRY 03 12.2 15.0 16.4 19.8 25.0 29.8 29.4 29.4 27.4 24.6 18.6 17.2 1 YEAR - DAY 2002- 1 1999- 9 2002-27 2003- 7 1987-25 1995-30 1988-13 2000- 4 2000- 9 2002-10 1995-11 1990- 7 LOW. DRY 03 -5.0 -4.0 -1.6 3.2 7.2 11.0 18.0 16.2 12.0 5.0 -0.2 -3.0 2 YEAR - DAY 2000-15 1989-16 1992- 2 1996- 8 1992- 6 1994- 5 1994- 2 1992-31 1994-17 1987-29 2000-28 1991-20 HIG. WET 03 10.6 12.0 13.6 16.4 21.4 25.0 26.8 27.6 26.2 23.0 16.6 15.4 3 YEAR - DAY 1997-12 1999- 9 2002-27 1991-26 1987-25 1987-20 1988-13 2000- 4 2000- 9 2002-10 1991- 2 1990- 7 LOW. WET 03 -5.4 -4.4 -1.8 3.0 6.2 10.8 17.6 15.6 11.0 4.2 -1.0 -3.2 4 YEAR - DAY 2000-15 1989-16 1992- 2 1996- 8 1992- 6 1994- 5 1994- 2 1992-31 1987-24 1995-18 2000-28 1991-20 HIG. DRY 09 23.8 28.2 34.2 34.8 39.6 43.4 40.6 42.2 42.6 37.4 32.2 29.4 5 YEAR - DAY 2000-21 1996- 9 2002-27 1991-17 2002-31 1995-29 1989-31 2000- 3 1988- 9 2001- 6 1995-10 1998-10 LOW. DRY 09 -0.5 -0.2 3.4 8.6 12.4 13.0 21.4 21.4 17.2 8.2 4.4 1.2 6 YEAR - DAY 2001-24 1998-15 1992-10 1988- 8 1992- 2 1994- 5 1988-27 1992-30 1992-28 1987-27 1992-26 1990-26 HIG. WET 09 20.6 20.2 26.2 30.6 33.2 32.4 31.0 34.4 29.0 26.2 23.6 20.6 7 YEAR - DAY 1987-31 1996- 9 1990-11 1993-19 1987- 9 1993- 7 2000- 1 2000- 1 1989- 2 1993- 1 1992- 6 2003-19 LOW. WET 09 -0.6 -0.4 2.4 8.4 11.0 12.0 18.4 20.0 14.2 7.4 3.6 0.2 8 YEAR - DAY 2001-24 1998-15 1992-10 1987- 6 1992- 2 1994- 5 1999-14 1992-29 1987-23 1987-27 1987-28 1990-26 HIG. DRY 15 17.2 23.0 25.8 32.0 34.6 44.0 40.2 39.8 36.4 32.6 24.4 21.4 9 YEAR - DAY 2003- 7 1996- 9 2002-25 1993-19 1997-26 1988-14 1991- 5 1991- 1 1995-12 2002- 3 1995-10 1998-10 LOW. DRY 15 -0.4 0.0 2.8 8.0 9.8 12.0 20.2 21.0 16.8 8.4 3.6 -1.5 10 YEAR - DAY 2001-24 1994-14 1990-16 2003-17 1992- 4 1994- 5 1992-11 1987-29 1995-21 1987-26 1993-29 1990-25 HIG. WET 15 15.6 17.0 23.6 30.0 30.2 33.0 34.0 31.8 30.8 25.0 20.4 16.2 11 YEAR - DAY 2003- 7 1996- 9 1993-30 1993-19 1993-17 1988-14 1993-24 2000- 2 1989- 7 1989- 7 1990- 9 1990- 2 LOW. WET 15 -0.4 -1.0 2.6 6.6 9.6 11.4 18.6 18.2 14.2 7.4 3.2 -1.8 12 YEAR - DAY 2001-24 1994-14 1990-16 1988- 1 1992- 4 1994- 5 1999-14 1990-30 1987-23 1987-27 1987-30 1990-25 HIG. MIN. 10.0 11.0 14.6 16.4 21.6 25.6 27.0 28.2 27.0 22.0 15.6 11.8 13 YEAR - DAY 2002- 8 1996-10 2002-28 2001-28 2001-16 1988-26 1990-28 2001- 5 2000- 9 2002-11 2003- 1 2003- 2 LOW. MIN. -6.0 -6.5 -3.5 1.8 4.0 8.5 12.5 15.0 9.5 3.0 -1.0 -4.5 14 YEAR - DAY 2000-15 1997- 9 1997-10 2003-19 2003- 2 1987-23 1987-13 1992-31 1991-28 1995-18 2000-28 1987-30 HIG. MAX. 25.5 32.5 34.5 37.0 41.0 47.0 44.0 44.5 44.0 38.5 33.0 30.0 15 YEAR - DAY 1997- 7 1996- 9 2002-27 1997-24 2001-15 1988-14 1991- 6 2000- 3 1988- 9 2001- 6 1995-10 1998- 8 LOW. MAX. 3.5 1.0 5.5 10.5 13.0 13.5 24.0 23.5 19.0 9.5 5.5 3.5 16 YEAR - DAY 1990- 6 1998-15 1999-18 1998- 6 1992- 1 1994- 5 1992-12 1992-29 1995-21 1987-27 1987-28 1997-17 HIG. PPTN 24.0 43.5 46.0 28.0 54.5 41.0 13.0 76.0 50.0 37.0 41.0 26.5 17 YEAR - DAY 1994-17 1997- 8 1992-25 1998-25 1992-13 1988-20 1999-26 1993-16 2002-25 1999-13 1995-26 1988-28 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 35 STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 MET. HIGHEST LIMITS OF ABSOLUTE DIFFERENCES FOR 17 YEARS DURING 1987-2003 ELE- JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MENT --------------------------------------------------------------------------------------------- NO. DRY 09 - DRY 03 20.2 23.0 22.4 22.2 19.4 19.2 16.0 17.6 19.6 21.6 22.4 23.6 18 YEAR - DAY 1991-31 1996- 9 1990-11 2001- 3 2000- 4 1993- 7 1993-24 2003-12 1997-11 2003-24 1992- 6 1998- 8 DRY 15 - DRY 09 12.4 15.0 15.8 17.2 14.4 11.6 8.4 11.0 14.2 13.0 11.8 14.0 19 YEAR - DAY 1993-29 2001-21 2002- 9 1995- 3 1997- 4 1990- 4 1987- 6 2000-25 1988- 9 2001-27 1995-24 1998-11 DRY 15 - DRY 03 14.2 17.8 19.0 19.0 19.6 18.4 19.0 15.0 17.6 16.8 15.4 14.6 20 YEAR - DAY 2003-31 1996- 9 1995-31 1995- 8 1994- 8 1995-21 1993-24 1992-16 1995- 4 1989-19 1998-15 1998- 8 WET 09 - WET 03 15.6 16.6 20.6 15.8 17.8 14.2 10.6 10.4 15.2 15.6 16.8 15.6 21 YEAR - DAY 2003-31 1987- 8 1990-11 1993-19 1987- 9 1993- 7 1993-24 2000- 1 1994-17 1994-14 1992- 6 1995-27 WET 15 - WET 09 10.4 8.8 15.0 9.6 10.0 7.2 7.4 7.4 5.6 11.0 8.0 8.6 22 YEAR - DAY 1993-29 2001-21 1990-11 2003-26 2001-24 2000- 7 2001- 8 2000- 1 1994-29 2001-27 1989-28 1988- 7 WET 15 - WET 03 14.4 14.4 16.2 15.6 17.0 13.0 14.6 9.6 14.6 12.0 11.2 12.6 23 YEAR - DAY 2003-31 1996- 7 1993-25 2003-25 1993- 1 1994- 7 1993-24 1994-16 1994-11 1989-19 2001-26 1990- 2 DAY BY DAY DRY 03 9.0 15.4 10.8 9.6 8.2 11.4 7.4 7.0 9.4 10.4 13.8 13.6 24 YEAR - DAY 2001- 2 1991-17 1993-18 2003-26 1999-15 1995-23 1994- 1 2002-13 1987-20 1998- 9 1990-11 1990- 8 DAY BY DAY WET 03 8.8 11.0 8.8 7.4 6.4 8.6 7.8 7.2 8.6 9.6 12.8 12.2 25 YEAR - DAY 2001- 2 1991-17 2002-12 1996- 9 1991-17 1994- 4 1994- 1 2001- 3 1997-12 1993- 9 1990-11 1990- 8 DAY BY DAY DRY 09 14.4 18.2 18.6 20.0 19.8 11.8 8.8 13.6 13.6 13.2 15.8 12.6 26 YEAR - DAY 1999- 1 1998-19 2001-25 1995- 4 1997- 5 1994- 6 1992-11 2001-11 1988-10 1999-13 1990-11 1999-31 DAY BY DAY WET 09 11.4 11.4 16.0 15.4 15.0 10.4 7.0 7.0 8.8 10.8 14.2 10.4 27 YEAR - DAY 1999- 1 1987- 1 1990-12 1993-20 1987- 9 1994- 6 2001- 8 2001-11 1987-23 1992-15 1990-11 2002- 2 DAY BY DAY DRY 15 8.2 13.0 14.2 17.4 11.0 18.2 11.8 8.4 7.8 13.0 12.2 14.4 28 YEAR - DAY 1999- 1 1996-10 2001-25 1993-20 2001-25 1995-22 1996- 1 1989- 1 1995-26 1998- 8 2003-22 2001-20 DAY BY DAY WET 15 7.4 10.6 10.6 15.8 8.0 14.0 9.6 5.8 6.0 9.0 11.0 11.8 29 YEAR - DAY 1999- 1 2002-16 1998-25 1993-20 1988-10 1994- 6 2000-29 1989- 1 1992-28 2001-27 1990-11 2001-20 DAY BY DAY MIN. 12.2 9.5 9.0 8.0 7.4 9.0 7.5 6.5 8.0 9.4 11.0 8.1 30 YEAR - DAY 2001-13 1993-16 1995- 2 2000-13 2003-17 1994- 4 1987-13 1993-16 1997-12 2001- 7 1990-11 1989-26 DAY BY DAY MAX. 13.0 19.5 20.0 22.0 17.0 16.0 11.0 9.5 15.0 12.5 15.0 15.5 31 YEAR - DAY 1993-30 1998-19 2001-30 1995- 4 2001-25 1994- 6 1987- 4 1992-29 1988-10 1992-15 1999-26 1989- 1 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 MET. MEAN AND EXTREMES FOR THE YEAR 1987 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 9.2 9.2 10.2 15.0 22.0 27.3 27.7 28.4 23.3 14.9 11.5 9.1 17.3 AVERAGE OF MINIMUM TEMPERATURE IN C. 3.2 3.2 6.3 8.5 15.2 16.6 17.9 22.0 16.4 8.8 5.6 3.0 10.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. 15.0 14.8 14.2 21.6 28.5 38.1 37.6 34.9 30.2 21.0 17.6 16.0 24.1 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.8 11.6 7.9 13.1 13.3 21.5 19.7 12.9 13.8 12.2 12.0 13.0 13.6 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 5.06 5.16 6.26 7.43 11.48 15.44 16.79 17.59 12.18 7.87 6.40 5.06 9.73 MEAN OF MIXING RATIO AT 09 GMT. 7.18 6.56 7.16 9.82 13.31 16.39 16.74 17.63 13.02 8.99 7.65 6.44 10.91 MEAN OF MIXING RATIO AT 15 GMT. 6.71 6.74 7.03 9.56 12.57 16.25 16.38 17.70 13.39 9.04 7.58 6.15 10.76 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -0.5 -0.5 1.5 4.0 9.5 8.5 12.5 17.0 10.5 3.5 0.5 -4.5 -4.5 DAY 13 12 24 22 7 23 13 30 24 29 28 30 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 23.8 27.5 24.0 32.0 38.5 42.5 41.0 39.5 33.5 35.5 24.0 25.5 42.5 DAY 30 25 19 24 25 2 1 3 1 2 17 19 24 HOUR MAXIMUM PRECIPITATION IN MM. 14.0 32.0 27.0 27.5 24.0 1.0 5.0 7.0 2.0 20.0 15.0 16.0 32.0 DAY 11 11 31 5 6 5 26 29 18 9 8 7 MONTHLY TOTAL PRECIPITATION IN MM. 35.0 71.0 93.0 58.5 26.5 1.0 6.0 9.0 5.0 55.5 35.5 41.5 437.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 45.5 19.7 4.6 30.3 NO. OF DAYS WITH PRECIPITATION. 3 7 12 7 3 1 2 3 3 6 4 7 58 NO. OF DAYS PRECIPITATION EQUAL 3 7 12 7 2 1 2 3 3 6 3 6 55 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 4 3 2 1 0 0 0 0 3 2 1 18 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 94 93 93 89 86 83 82 87 85 88 90 90 88 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 73 76 80 69 62 51 54 58 55 65 69 69 65 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 84 85 87 80 69 62 64 67 68 78 81 84 76 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 1 1 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 5 24 1 0 0 0 30 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 3 11 18 31 29 19 2 0 0 113 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 6 8 0 0 0 0 0 14 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. 1 1 0 0 0 0 0 0 0 0 0 1 3 DATE OF START AND END FREEZING START = 30 DEC. END = 12 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 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. 6.1 6.9 11.6 16.1 20.6 27.8 28.4 26.8 24.3 19.3 13.9 10.1 17.7 AVERAGE OF MINIMUM TEMPERATURE IN C. 1.3 2.0 5.4 9.7 13.6 20.1 22.8 21.4 17.9 12.6 8.1 4.6 11.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. 10.9 11.9 17.8 22.5 27.6 35.5 34.0 32.1 30.7 26.0 19.7 15.6 23.7 DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.6 9.9 12.4 12.8 14.0 15.4 11.2 10.7 12.8 13.4 11.6 11.0 12.1 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.69 4.57 5.98 8.12 10.74 15.66 17.64 16.28 12.98 9.15 7.10 5.46 9.86 MEAN OF MIXING RATIO AT 09 GMT. 5.50 5.26 7.11 9.56 11.31 14.16 16.73 16.29 14.23 11.14 8.42 6.99 10.56 MEAN OF MIXING RATIO AT 15 GMT. 5.47 5.57 7.54 10.01 11.75 15.37 16.98 16.31 14.63 11.49 8.55 7.07 10.89 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -4.5 -3.0 0.5 2.5 8.0 16.5 19.0 17.5 12.0 6.5 2.5 1.0 -4.5 DAY 10 7 7 7 10 1 27 26 25 23 27 24 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 15.5 24.0 27.5 32.0 37.5 47.0 38.5 36.5 44.0 30.0 31.0 21.0 47.0 DAY 28 23 30 22 18 14 13 9 9 25 8 2 24 HOUR MAXIMUM PRECIPITATION IN MM. 16.0 11.0 13.0 15.0 5.5 41.0 6.0 18.0 1.0 32.0 20.0 26.5 41.0 DAY 29 3 5 2 2 20 16 30 13 31 29 28 MONTHLY TOTAL PRECIPITATION IN MM. 54.5 18.5 45.0 40.5 12.0 41.0 21.0 34.0 2.0 47.0 51.0 41.0 407.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 29.0 22.9 14.0 34.1 NO. OF DAYS WITH PRECIPITATION. 9 5 9 8 3 1 8 4 2 4 7 5 65 NO. OF DAYS PRECIPITATION EQUAL 9 5 9 8 3 1 8 4 2 4 7 5 65 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 1 2 1 0 1 0 2 0 1 3 1 13 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 94 93 90 88 84 80 85 87 86 84 90 91 88 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 76 69 67 65 55 45 57 60 57 60 67 74 63 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 89 82 81 78 66 58 65 67 69 73 80 87 75 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 4 0 0 0 0 0 0 0 0 0 0 0 4 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 9 28 24 3 0 0 0 64 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 13 29 29 25 16 1 1 0 115 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 4 0 0 1 0 0 0 5 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 2 0 0 0 0 0 0 2 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 12 6 0 0 0 0 0 0 0 0 0 0 18 DATE OF START AND END FREEZING START = 1 JAN. END = 28 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 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. 5.3 5.5 12.0 17.2 21.5 25.6 29.1 28.6 24.3 19.8 13.7 9.8 17.7 AVERAGE OF MINIMUM TEMPERATURE IN C. 0.5 -0.7 6.5 10.0 13.9 19.0 23.1 21.9 17.5 13.1 6.1 5.4 11.4 AVERAGE OF MAXIMUM TEMPERATURE IN C. 10.0 11.6 17.4 24.4 29.2 32.2 35.1 35.2 31.1 26.4 21.4 14.3 24.0 DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.5 12.3 10.9 14.4 15.3 13.2 12.0 13.3 13.6 13.3 15.3 8.9 12.7 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.94 3.61 6.20 7.81 10.52 14.68 18.30 18.32 13.60 9.95 6.08 5.75 9.90 MEAN OF MIXING RATIO AT 09 GMT. 4.68 4.66 7.41 9.89 11.22 14.72 18.16 19.09 15.68 12.45 7.85 7.12 11.08 MEAN OF MIXING RATIO AT 15 GMT. 4.96 4.98 7.50 10.32 11.58 14.44 18.55 19.76 16.07 13.34 8.75 6.85 11.42 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -2.5 -5.0 3.0 5.0 7.5 16.0 21.0 18.0 11.0 6.5 0.5 1.0 -5.0 DAY 4 16 7 1 2 4 7 21 26 25 23 6 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 16.5 25.0 28.5 32.5 38.0 38.5 42.5 40.0 40.0 34.0 32.5 24.5 42.5 DAY 19 28 26 28 6 14 31 31 1 19 30 11 24 HOUR MAXIMUM PRECIPITATION IN MM. 13.0 6.0 24.0 8.0 1.0 4.5 5.0 14.5 11.5 7.5 22.0 13.5 24.0 DAY 12 24 30 29 8 7 16 18 20 22 19 16 MONTHLY TOTAL PRECIPITATION IN MM. 22.0 11.5 89.5 13.0 2.0 4.5 6.0 16.0 21.5 14.5 22.0 68.0 290.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 42.3 6.7 15.0 36.0 NO. OF DAYS WITH PRECIPITATION. 3 3 9 4 2 1 2 2 3 5 1 13 48 NO. OF DAYS PRECIPITATION EQUAL 3 3 9 3 2 1 2 2 3 4 1 13 46 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 0 4 0 0 0 0 1 1 0 1 1 9 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 94 91 93 87 82 82 84 86 86 87 88 93 88 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 70 61 69 61 50 53 56 60 61 64 56 78 62 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 83 80 80 73 62 61 65 70 74 79 78 87 74 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 1 0 0 0 0 0 0 0 0 0 0 1 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 5 31 21 7 0 0 0 64 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 3 11 23 30 30 20 7 1 0 125 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 2 1 1 0 0 0 4 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. 12 19 0 0 0 0 0 0 0 0 0 0 31 DATE OF START AND END FREEZING START = 4 JAN. END = 27 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 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. 5.5 7.0 10.7 16.9 20.2 26.7 28.6 27.2 26.2 18.8 14.5 8.8 17.6 AVERAGE OF MINIMUM TEMPERATURE IN C. 0.4 1.6 4.1 9.8 14.0 19.6 23.0 22.8 21.0 12.6 6.8 2.2 11.5 AVERAGE OF MAXIMUM TEMPERATURE IN C. 10.3 12.7 16.9 24.1 26.3 33.8 34.2 31.6 31.4 25.3 22.3 14.7 23.6 DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.9 11.1 12.8 14.3 12.3 14.2 11.2 8.8 10.4 12.7 15.5 12.5 12.1 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.05 4.48 5.24 7.56 10.39 14.56 16.60 16.24 15.17 9.12 6.54 4.68 9.55 MEAN OF MIXING RATIO AT 09 GMT. 5.03 5.55 7.17 9.42 11.46 13.99 16.69 16.49 16.07 10.98 9.21 5.75 10.65 MEAN OF MIXING RATIO AT 15 GMT. 5.13 6.06 7.28 9.39 11.51 14.96 17.05 16.89 16.43 11.82 9.49 5.89 10.99 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -3.5 -3.0 -1.5 5.0 11.5 15.2 20.5 20.5 18.5 5.5 1.5 -2.5 -3.5 DAY 10 8 18 8 15 7 3 31 26 16 11 26 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 16.5 23.0 29.0 35.5 32.5 42.5 40.0 35.0 38.5 30.5 30.5 26.5 42.5 DAY 4 17 11 27 29 3 22 23 14 1 3 5 24 HOUR MAXIMUM PRECIPITATION IN MM. 9.5 9.0 15.0 12.5 15.0 3.0 1.5 1.5 16.5 25.0 5.0 7.5 25.0 DAY 5 26 16 30 13 6 7 1 2 14 13 10 MONTHLY TOTAL PRECIPITATION IN MM. 40.0 21.0 40.5 24.5 16.5 3.0 1.5 2.0 17.5 31.0 7.0 32.0 236.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 42.9 18.6 8.9 29.6 NO. OF DAYS WITH PRECIPITATION. 8 5 8 3 3 1 1 2 2 3 4 8 48 NO. OF DAYS PRECIPITATION EQUAL 7 5 8 3 2 1 1 1 2 3 2 8 43 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 1 1 1 0 0 0 1 1 0 0 5 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 93 92 89 80 85 77 79 84 87 87 87 92 86 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 72 69 67 62 61 49 54 62 61 61 61 68 62 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 84 83 80 72 73 63 65 71 71 77 77 80 75 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 10 28 29 16 1 0 0 84 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 2 4 27 28 22 20 4 1 0 108 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 3 1 0 0 0 0 0 4 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. 12 7 2 0 0 0 0 0 0 0 0 5 26 DATE OF START AND END FREEZING START = 22 DEC. END = 21 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 MET. MEAN AND EXTREMES FOR THE YEAR 1991 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 6.7 6.5 8.8 16.6 19.7 24.7 29.1 28.2 24.1 20.3 12.6 7.9 17.1 AVERAGE OF MINIMUM TEMPERATURE IN C. 0.8 1.4 4.5 10.0 12.4 17.3 21.8 22.2 18.2 13.5 6.8 1.8 10.9 AVERAGE OF MAXIMUM TEMPERATURE IN C. 12.4 12.4 13.4 23.2 27.0 32.1 36.4 34.2 30.0 26.9 18.6 14.0 23.4 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.6 11.0 8.9 13.2 14.6 14.8 14.6 12.0 11.8 13.4 11.8 12.2 12.5 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.43 4.39 5.45 7.57 9.61 12.88 16.44 16.22 12.95 10.00 6.49 4.95 9.28 MEAN OF MIXING RATIO AT 09 GMT. 5.38 5.05 6.18 8.15 9.88 12.71 15.75 16.21 14.36 12.05 7.86 6.46 10.00 MEAN OF MIXING RATIO AT 15 GMT. 5.52 5.43 6.41 9.71 10.83 13.11 16.11 16.52 15.07 12.51 7.83 5.99 10.42 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -2.5 -4.0 0.5 5.5 9.5 12.5 17.5 18.5 9.5 10.0 0.5 -4.0 -4.0 DAY 2 16 12 14 1 2 15 27 28 14 24 25 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 21.5 23.0 21.0 35.5 35.0 39.0 44.0 41.5 35.0 34.0 23.5 24.5 44.0 DAY 31 17 28 17 2 30 6 1 2 26 1 9 24 HOUR MAXIMUM PRECIPITATION IN MM. 10.5 18.5 12.5 13.5 24.0 14.0 10.5 0.0 1.0 34.0 17.5 15.5 34.0 DAY 15 5 26 5 5 6 14 ** 14 8 27 26 MONTHLY TOTAL PRECIPITATION IN MM. 24.0 43.5 58.0 16.0 71.5 14.5 10.5 0.0 2.0 70.5 21.5 35.0 367.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 34.2 27.8 3.4 34.6 NO. OF DAYS WITH PRECIPITATION. 6 5 10 4 6 2 1 0 2 4 3 6 49 NO. OF DAYS PRECIPITATION EQUAL 6 5 10 3 6 1 1 0 2 3 2 6 45 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 1 2 1 4 1 1 0 0 3 1 1 16 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 94 91 93 85 87 84 84 85 87 90 89 93 89 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 69 68 74 57 58 50 51 55 61 60 64 71 62 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 81 81 82 72 65 57 53 58 69 76 79 84 71 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 1 0 0 0 0 0 0 0 0 0 1 2 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 24 26 9 0 0 0 59 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 5 10 21 29 30 17 5 0 0 117 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 5 1 0 0 0 0 6 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. 10 6 0 0 0 0 0 0 0 0 0 13 29 DATE OF START AND END FREEZING START = 16 DEC. END = 24 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 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. 5.4 7.2 9.1 14.5 18.8 26.3 27.5 25.5 23.3 18.1 13.5 8.5 16.5 AVERAGE OF MINIMUM TEMPERATURE IN C. -0.2 1.4 3.2 9.3 13.1 19.8 22.1 19.5 16.1 10.6 6.6 4.0 10.5 AVERAGE OF MAXIMUM TEMPERATURE IN C. 10.9 12.9 15.0 19.6 24.5 32.9 32.8 31.5 30.5 25.5 20.5 13.1 22.5 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.1 11.5 11.8 10.3 11.4 13.1 10.7 12.0 14.4 14.9 13.9 9.1 12.0 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.35 4.55 5.07 7.59 9.56 14.58 16.50 14.20 11.69 8.35 6.34 5.19 9.00 MEAN OF MIXING RATIO AT 09 GMT. 5.15 5.47 6.09 8.91 11.41 15.94 18.19 16.98 15.08 11.25 8.99 7.21 10.89 MEAN OF MIXING RATIO AT 15 GMT. 5.04 5.55 6.70 9.50 12.00 15.81 17.28 16.55 14.96 11.12 7.98 6.53 10.75 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -5.0 -3.0 -3.0 5.5 5.5 16.5 17.5 15.0 12.0 4.5 -0.5 -1.5 -5.0 DAY 30 13 2 9 6 7 12 31 1 17 29 30 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 17.5 20.5 25.5 31.0 36.0 44.5 38.0 37.5 33.5 34.5 31.5 20.0 44.5 DAY 2 2 30 12 29 17 9 24 2 13 6 15 24 HOUR MAXIMUM PRECIPITATION IN MM. 10.5 17.5 46.0 17.0 54.5 2.5 3.5 5.5 0.5 3.0 14.0 14.0 54.5 DAY 22 26 25 19 13 8 11 7 18 15 26 4 MONTHLY TOTAL PRECIPITATION IN MM. 30.0 39.5 81.0 39.0 91.5 6.0 4.5 21.5 1.0 6.5 19.5 52.5 392.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 38.3 34.8 6.9 20.0 NO. OF DAYS WITH PRECIPITATION. 8 8 9 8 9 4 2 8 2 3 3 8 72 NO. OF DAYS PRECIPITATION EQUAL 6 5 7 7 8 4 2 7 0 3 2 7 58 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 1 2 1 2 0 0 0 0 0 1 2 10 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 94 94 93 93 91 90 89 91 89 90 92 94 92 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 73 71 68 75 70 62 67 69 64 62 67 84 69 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 85 83 78 80 75 63 66 66 66 77 81 90 76 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 5 0 0 0 0 0 0 0 0 0 0 0 5 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 8 26 3 0 0 0 0 37 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 3 6 21 27 24 24 6 1 0 112 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 0 0 0 0 0 0 1 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. 15 10 8 0 0 0 0 0 0 0 1 3 37 DATE OF START AND END FREEZING START = 29 NOV. END = 26 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 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. 6.2 6.0 10.8 16.3 20.0 25.1 26.8 27.2 24.7 17.9 9.8 7.9 16.6 AVERAGE OF MINIMUM TEMPERATURE IN C. 0.5 2.2 4.6 10.2 13.2 18.6 20.4 21.0 18.8 11.1 5.9 3.4 10.8 AVERAGE OF MAXIMUM TEMPERATURE IN C. 11.7 10.6 16.9 22.3 26.8 31.5 33.1 33.4 30.6 24.7 13.7 12.5 22.3 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.2 8.4 12.3 12.1 13.6 12.9 12.7 12.4 11.8 13.6 7.8 9.1 11.5 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.35 4.57 5.31 8.17 10.21 14.62 15.93 16.63 14.16 8.53 5.98 5.23 9.47 MEAN OF MIXING RATIO AT 09 GMT. 6.73 6.30 9.04 13.06 16.34 19.07 19.04 19.86 17.36 12.50 7.50 6.54 12.78 MEAN OF MIXING RATIO AT 15 GMT. 5.84 5.78 9.27 13.44 15.90 19.04 19.91 20.82 17.36 10.47 6.79 5.97 12.55 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -4.0 -4.5 -1.0 4.0 7.0 12.5 17.0 16.5 12.5 5.5 1.5 -2.0 -4.5 DAY 16 16 14 24 1 23 8 16 28 10 17 7 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 23.0 21.0 28.0 36.5 33.5 39.5 41.5 38.0 35.5 32.5 21.5 21.5 41.5 DAY 29 27 30 19 15 26 24 10 1 1 9 13 24 HOUR MAXIMUM PRECIPITATION IN MM. 10.0 17.5 43.0 8.5 7.5 9.0 4.0 76.0 5.5 7.0 25.0 12.0 76.0 DAY 19 16 23 23 8 22 8 16 15 29 14 6 MONTHLY TOTAL PRECIPITATION IN MM. 27.0 64.0 81.0 16.0 7.5 18.5 6.5 84.5 11.0 7.5 76.5 28.0 428.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 40.2 9.8 23.8 26.2 NO. OF DAYS WITH PRECIPITATION. 8 9 10 5 1 6 2 2 3 2 11 7 66 NO. OF DAYS PRECIPITATION EQUAL 8 7 9 5 1 5 2 2 2 1 11 7 60 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 3 2 0 0 0 0 1 0 0 2 1 10 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 93 95 93 97 95 95 88 92 93 91 95 95 94 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 85 89 86 89 86 76 68 74 74 71 84 82 80 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 92 91 94 92 86 79 74 78 80 78 88 88 85 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 1 1 0 0 0 0 0 0 0 0 0 0 2 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 4 12 19 9 0 0 0 44 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 5 5 18 27 27 18 1 0 0 101 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 1 0 0 0 0 0 1 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. 14 6 2 0 0 0 0 0 0 0 0 5 27 DATE OF START AND END FREEZING START = 1 DEC. END = 17 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 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. 7.1 5.7 9.7 ***** 21.6 23.5 26.7 27.5 22.7 18.0 14.1 7.1 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. 2.7 1.0 5.8 ***** 13.9 17.2 20.5 22.0 15.0 11.6 8.7 2.2 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 11.4 10.4 13.7 ***** 29.3 29.8 32.9 33.0 30.4 24.3 19.7 12.1 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.7 9.4 7.9 ***** 15.4 12.6 12.4 11.0 15.4 12.7 11.0 9.9 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.87 4.30 6.08 ***** 10.84 13.53 16.30 17.60 11.67 9.31 7.50 4.56 ***** MEAN OF MIXING RATIO AT 09 GMT. 6.60 5.61 7.54 ***** 17.27 18.51 20.76 21.01 18.93 13.58 10.21 5.78 ***** MEAN OF MIXING RATIO AT 15 GMT. 6.09 5.26 7.62 ***** 16.73 18.30 20.14 20.70 17.93 11.85 9.14 5.83 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -2.5 -3.0 -1.0 ***** 8.5 9.5 16.5 20.0 11.0 6.5 5.0 -2.5 ****** DAY 22 11 2 ** 8 5 2 10 17 26 12 9 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 18.5 22.5 25.5 ***** 36.0 38.0 36.5 37.0 33.5 31.5 26.5 19.0 ****** DAY 28 27 29 ** 9 1 24 15 11 19 19 14 24 HOUR MAXIMUM PRECIPITATION IN MM. 24.0 7.0 10.0 ***** 3.5 9.5 0.0 6.0 45.0 10.0 17.0 25.0 ****** DAY 17 10 13 ** 6 29 ** 31 30 3 24 21 MONTHLY TOTAL PRECIPITATION IN MM. 97.0 32.0 22.5 ***** 9.0 23.0 0.0 13.0 66.5 24.5 49.5 59.5 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 38.2 8.1 20.1 33.7 NO. OF DAYS WITH PRECIPITATION. 8 11 7 *** 5 7 1 5 6 7 8 7 *** NO. OF DAYS PRECIPITATION EQUAL 7 9 5 *** 4 6 0 4 5 6 7 7 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 4 0 1 *** 0 0 0 0 2 1 3 2 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 95 92 95 *** 93 93 92 94 95 94 95 92 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 85 81 84 *** 79 81 74 74 77 77 75 71 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 91 88 90 *** 81 84 77 79 81 86 88 85 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 *** 0 0 0 0 0 0 0 0 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 *** 0 1 13 24 0 0 0 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 *** 0 0 0 0 0 0 0 0 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 *** 14 16 28 28 22 1 0 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 *** 0 0 0 0 0 0 0 0 *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 *** 0 0 0 0 0 0 0 0 *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. 5 12 1 *** 0 0 0 0 0 0 0 12 *** DATE OF START AND END FREEZING START = 7 DEC. END = 2 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 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. 8.4 8.6 11.1 16.9 22.5 26.1 28.1 28.8 25.2 17.4 14.8 7.6 18.0 AVERAGE OF MINIMUM TEMPERATURE IN C. 3.3 2.8 4.8 10.4 14.8 18.3 22.1 23.1 18.5 11.2 7.4 1.9 11.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. 13.5 14.4 17.4 23.5 30.3 33.9 34.1 34.4 32.0 23.6 22.1 13.4 24.4 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.2 11.6 12.6 13.1 15.5 15.6 12.0 11.3 13.5 12.4 14.7 11.5 12.8 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 5.04 4.52 5.63 8.11 10.33 12.84 16.16 17.46 13.37 8.76 6.60 4.42 9.44 MEAN OF MIXING RATIO AT 09 GMT. 6.05 5.76 6.75 9.34 12.47 11.87 15.40 17.76 15.34 10.44 9.68 6.41 10.61 MEAN OF MIXING RATIO AT 15 GMT. 6.41 6.03 7.15 10.13 10.91 11.80 15.85 18.16 15.15 10.95 9.47 6.56 10.71 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -0.5 -1.0 -1.0 5.0 11.0 14.0 19.5 20.5 10.5 3.0 1.5 -2.0 -2.0 DAY 8 18 1 8 27 1 25 28 23 18 29 19 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 24.0 24.5 27.0 36.5 35.5 46.0 37.5 39.0 38.5 30.0 33.0 22.0 46.0 DAY 29 8 31 3 21 29 15 12 17 2 10 29 24 HOUR MAXIMUM PRECIPITATION IN MM. 8.5 18.0 17.0 23.0 0.5 11.0 1.0 0.5 15.5 36.0 41.0 7.0 41.0 DAY 6 24 18 25 9 23 6 26 21 13 26 17 MONTHLY TOTAL PRECIPITATION IN MM. 18.5 20.5 30.0 55.0 0.5 12.0 2.0 0.5 29.5 57.5 75.5 19.1 320.6 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 21.5 21.1 10.0 47.4 NO. OF DAYS WITH PRECIPITATION. 8 3 8 8 1 4 3 4 6 6 3 8 62 NO. OF DAYS PRECIPITATION EQUAL 5 2 6 5 0 2 2 0 4 5 3 7 41 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 1 1 2 0 1 0 0 1 1 3 0 10 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 92 86 93 91 82 80 82 86 87 90 91 93 88 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 72 63 65 62 53 43 52 60 59 62 64 72 61 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 83 73 70 71 52 44 55 63 63 80 80 89 69 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 2 26 30 10 0 0 0 68 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 6 21 28 30 31 20 1 3 0 140 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 2 0 0 0 0 0 0 2 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. 3 8 1 0 0 0 0 0 0 0 0 10 22 DATE OF START AND END FREEZING START = 11 DEC. END = 1 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 MET. MEAN AND EXTREMES FOR THE YEAR 1996 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 5.9 7.5 8.2 13.6 22.3 25.3 29.1 29.0 ***** ***** 12.4 8.8 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. 1.2 2.5 4.6 8.6 15.3 19.3 22.6 23.0 ***** ***** 6.5 1.1 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 10.6 12.5 11.9 18.5 29.2 31.3 35.7 35.1 ***** ***** 18.3 16.5 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.4 10.0 7.3 9.9 13.9 12.1 13.1 12.1 ***** ***** 11.8 15.4 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.17 4.62 5.33 7.22 10.66 12.81 15.79 16.14 ***** ***** 6.32 4.79 ***** MEAN OF MIXING RATIO AT 09 GMT. 5.44 5.82 6.29 8.34 12.02 12.42 14.27 15.31 ***** ***** 7.54 6.33 ***** MEAN OF MIXING RATIO AT 15 GMT. 5.52 6.02 6.53 9.34 12.58 12.06 14.28 15.43 ***** ***** 7.58 6.35 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -3.0 -3.5 1.0 2.5 8.5 17.5 17.5 19.0 ***** ***** -0.5 -3.0 ****** DAY 16 4 1 8 3 1 17 26 ** ** 20 20 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 17.0 32.5 21.5 30.5 40.0 40.5 42.5 39.5 ***** ***** 23.0 24.0 ****** DAY 5 9 31 19 25 30 25 8 ** ** 8 26 24 HOUR MAXIMUM PRECIPITATION IN MM. 8.0 18.0 7.5 10.0 1.5 8.5 11.0 4.5 ***** ***** 22.0 16.0 ****** DAY 9 11 5 16 26 27 31 14 ** ** 1 16 MONTHLY TOTAL PRECIPITATION IN MM. 17.5 43.5 42.0 38.5 4.5 22.0 11.5 5.0 ***** ***** 66.5 22.0 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 37.7 23.8 6.0 32.4 NO. OF DAYS WITH PRECIPITATION. 7 9 11 10 5 6 3 2 *** *** 5 4 *** NO. OF DAYS PRECIPITATION EQUAL 5 9 10 8 4 4 1 1 *** *** 4 3 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 1 0 1 0 0 1 0 *** *** 3 1 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 93 93 94 94 85 80 80 84 *** *** 94 90 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 74 71 80 74 56 50 44 48 *** *** 61 59 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 86 81 86 82 65 55 51 57 *** *** 74 76 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 *** *** 0 0 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 1 3 27 28 *** *** 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 1 0 1 15 19 30 31 *** *** 0 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 1 1 1 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. 10 7 0 0 0 0 0 0 *** *** 1 12 *** DATE OF START AND END FREEZING START = 20 NOV. END = 28 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 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. 6.7 6.0 8.5 16.8 22.4 27.8 28.8 29.8 24.7 21.7 12.5 9.0 17.9 AVERAGE OF MINIMUM TEMPERATURE IN C. -0.1 -0.5 2.1 9.0 14.6 20.5 23.7 24.0 18.2 14.2 6.6 3.2 11.3 AVERAGE OF MAXIMUM TEMPERATURE IN C. 13.6 12.5 14.9 24.6 30.1 35.1 33.9 35.5 31.1 29.2 18.4 14.8 24.5 DIFFERENCE BETWEEN AVERAGE MAXIMUM 13.7 13.0 12.8 15.6 15.5 14.6 10.2 11.5 12.9 15.0 11.8 11.6 13.2 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.71 4.16 4.99 7.13 10.15 14.14 16.71 17.20 12.73 9.89 6.18 4.90 9.41 MEAN OF MIXING RATIO AT 09 GMT. 5.90 4.68 5.53 7.68 9.96 13.02 15.71 16.36 13.05 12.11 8.02 6.45 9.87 MEAN OF MIXING RATIO AT 15 GMT. 6.25 5.18 6.09 8.44 10.02 12.89 15.53 16.73 13.58 13.12 8.19 6.79 10.23 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -5.5 -6.5 -3.5 2.0 9.0 15.0 21.5 20.5 13.5 10.0 1.5 -1.0 -6.5 DAY 31 9 10 13 7 5 6 27 11 26 10 18 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 25.5 19.5 26.0 37.0 37.5 44.0 39.0 40.0 40.0 36.5 30.0 24.5 44.0 DAY 7 18 23 24 4 12 10 12 11 13 4 8 24 HOUR MAXIMUM PRECIPITATION IN MM. 12.0 43.5 15.5 4.5 20.5 2.0 2.0 1.5 7.5 7.5 15.0 16.5 43.5 DAY 19 8 8 29 5 2 7 20 15 7 6 11 MONTHLY TOTAL PRECIPITATION IN MM. 36.0 58.0 44.5 6.5 34.5 5.0 4.5 2.0 15.5 24.0 46.5 41.0 318.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 43.6 14.5 6.9 35.1 NO. OF DAYS WITH PRECIPITATION. 8 6 11 4 6 4 6 2 8 7 7 7 76 NO. OF DAYS PRECIPITATION EQUAL 7 6 8 2 5 3 2 1 2 7 7 6 56 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 1 1 0 1 0 0 0 0 0 3 1 9 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 91 90 92 87 83 80 82 83 88 84 94 93 87 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 67 59 59 48 44 43 53 50 52 55 66 68 55 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 83 77 75 64 53 52 61 61 66 72 84 87 70 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 3 5 0 0 0 0 0 0 0 0 0 0 8 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 16 31 30 6 0 0 0 83 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 5 19 27 29 31 16 13 1 0 141 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 0 1 2 0 0 0 4 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. 17 15 9 0 0 0 0 0 0 0 0 6 47 DATE OF START AND END FREEZING START = 13 DEC. END = 15 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 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. 6.1 6.4 11.3 18.0 22.3 28.7 29.2 29.6 25.2 19.5 14.8 11.2 18.5 AVERAGE OF MINIMUM TEMPERATURE IN C. 1.8 1.3 4.9 11.1 14.7 21.3 23.1 23.4 19.0 12.6 8.2 5.6 12.3 AVERAGE OF MAXIMUM TEMPERATURE IN C. 10.4 11.6 17.7 24.9 30.0 36.1 35.3 35.9 31.5 26.5 21.4 16.7 24.8 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.6 10.3 12.8 13.8 15.3 14.8 12.2 12.5 12.5 13.9 13.2 11.1 12.6 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.37 4.28 5.58 8.53 10.59 15.22 16.29 16.86 13.56 8.96 6.93 5.83 9.75 MEAN OF MIXING RATIO AT 09 GMT. 5.49 5.19 6.52 9.85 10.28 14.34 16.23 17.73 14.49 9.29 8.55 6.87 10.40 MEAN OF MIXING RATIO AT 15 GMT. 5.70 5.54 7.23 10.44 11.13 14.71 15.97 17.30 14.90 10.44 8.95 6.96 10.77 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -2.0 -3.0 -1.5 4.5 7.5 16.0 19.5 19.5 14.0 4.5 3.0 1.0 -3.0 DAY 18 16 1 2 3 1 26 31 13 10 26 20 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 15.0 25.5 28.5 36.0 39.5 42.5 40.0 40.0 39.5 34.5 29.5 30.0 42.5 DAY 30 7 13 14 21 23 11 26 1 17 15 8 24 HOUR MAXIMUM PRECIPITATION IN MM. 10.5 8.0 6.0 28.0 50.5 1.5 6.5 14.5 27.0 8.5 4.0 3.0 50.5 DAY 16 22 30 25 30 4 14 14 11 8 29 2 MONTHLY TOTAL PRECIPITATION IN MM. 68.0 34.5 18.0 68.0 64.5 1.5 11.0 32.5 35.2 25.5 7.5 8.5 374.7 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 32.2 35.8 21.0 11.1 NO. OF DAYS WITH PRECIPITATION. 15 8 7 5 4 2 4 6 8 7 4 5 75 NO. OF DAYS PRECIPITATION EQUAL 13 8 6 5 4 1 2 5 3 6 3 4 60 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 0 0 3 1 0 0 2 1 0 0 0 9 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 93 92 90 91 83 79 81 85 88 84 89 92 87 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 76 68 59 58 46 43 52 55 56 48 60 65 57 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 87 82 75 72 59 53 56 58 71 68 78 81 70 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 20 28 30 9 0 0 0 87 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 6 18 30 29 30 21 11 0 2 147 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 2 1 1 0 0 0 0 4 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. 7 11 4 0 0 0 0 0 0 0 0 0 22 DATE OF START AND END FREEZING START = 4 JAN. END = 6 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 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. 8.1 11.4 11.4 16.3 20.7 25.8 27.9 31.2 24.9 20.3 12.0 9.5 18.3 AVERAGE OF MINIMUM TEMPERATURE IN C. 2.7 4.8 5.3 9.9 13.8 18.8 21.2 24.1 18.5 13.9 6.8 3.3 11.9 AVERAGE OF MAXIMUM TEMPERATURE IN C. 13.6 18.0 17.6 22.6 27.5 32.9 34.5 38.3 31.3 26.6 17.2 15.7 24.6 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.9 13.2 12.3 12.7 13.7 14.2 13.3 14.2 12.8 12.7 10.4 12.4 12.7 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.74 5.37 5.77 7.81 9.79 12.40 14.48 17.19 13.01 9.81 6.25 4.95 9.30 MEAN OF MIXING RATIO AT 09 GMT. 5.40 6.03 6.70 8.11 9.32 10.80 13.18 16.72 12.84 10.93 7.02 6.50 9.46 MEAN OF MIXING RATIO AT 15 GMT. 5.93 6.96 7.29 8.72 10.00 11.04 13.40 16.58 13.48 11.55 7.51 6.74 9.93 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -4.0 -0.5 1.0 4.5 6.5 15.5 17.0 21.0 11.5 6.5 2.5 -0.5 -4.0 DAY 3 22 7 11 22 4 13 18 24 26 11 1 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 21.5 27.5 25.0 35.0 35.5 36.5 38.5 43.0 37.0 33.5 29.5 25.5 43.0 DAY 11 25 16 30 16 20 19 24 2 11 25 29 24 HOUR MAXIMUM PRECIPITATION IN MM. 14.5 15.5 13.5 22.0 8.5 0.0 13.0 0.5 9.5 37.0 21.0 3.5 37.0 DAY 19 4 17 9 21 ** 26 30 23 13 2 16 MONTHLY TOTAL PRECIPITATION IN MM. 48.5 21.0 41.5 69.5 17.5 0.0 21.0 0.5 22.0 53.5 57.0 5.5 357.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 31.0 24.3 12.2 32.4 NO. OF DAYS WITH PRECIPITATION. 7 3 10 8 7 2 6 1 6 5 9 3 67 NO. OF DAYS PRECIPITATION EQUAL 6 2 6 7 4 0 4 0 4 5 8 3 49 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 3 1 2 3 0 0 1 0 0 1 1 0 12 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 91 88 90 91 85 76 78 79 84 84 90 92 86 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 61 56 63 56 49 39 43 45 50 56 64 66 54 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 82 75 76 70 60 49 52 52 61 70 79 84 68 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 1 0 0 0 0 0 0 0 0 0 0 0 1 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 4 18 31 6 0 0 0 59 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 2 13 26 30 31 18 12 0 0 132 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 6 0 0 0 0 6 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. 8 2 0 0 0 0 0 0 0 0 0 1 11 DATE OF START AND END FREEZING START = 1 DEC. END = 22 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 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. 7.1 8.9 10.3 19.1 22.2 25.5 29.6 30.2 27.2 18.7 12.2 10.0 18.4 AVERAGE OF MINIMUM TEMPERATURE IN C. 1.8 3.1 4.8 11.4 15.3 18.1 22.5 23.7 22.3 13.3 5.9 4.9 12.3 AVERAGE OF MAXIMUM TEMPERATURE IN C. 12.5 14.8 15.9 26.8 29.1 32.8 36.8 36.7 32.0 24.1 18.5 15.1 24.6 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.7 11.7 11.1 15.4 13.8 14.7 14.3 13.0 9.7 10.8 12.6 10.2 12.3 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.48 4.87 5.52 8.51 10.68 12.84 15.94 17.18 15.70 9.48 5.94 5.71 9.74 MEAN OF MIXING RATIO AT 09 GMT. 5.58 6.26 7.26 11.95 12.28 14.49 17.90 20.23 17.30 11.14 7.67 7.20 11.60 MEAN OF MIXING RATIO AT 15 GMT. 5.68 6.65 7.36 11.28 12.51 14.09 18.12 19.37 17.17 10.61 7.21 7.24 11.44 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -6.0 -1.5 1.0 5.0 9.5 11.5 21.0 20.5 15.5 7.0 -1.0 -0.2 -6.0 DAY 15 10 5 4 12 15 14 18 26 16 28 30 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 24.0 24.5 23.0 34.5 37.5 38.5 40.5 44.5 39.0 29.5 24.0 20.5 44.5 DAY 21 23 30 21 4 6 28 3 7 11 1 21 24 HOUR MAXIMUM PRECIPITATION IN MM. 17.5 12.5 17.0 3.0 3.0 11.0 2.5 5.0 18.0 11.0 8.5 10.5 18.0 DAY 7 14 4 1 10 13 9 9 2 2 10 12 MONTHLY TOTAL PRECIPITATION IN MM. 41.0 49.0 55.0 3.0 3.0 12.0 4.0 11.0 32.5 43.5 14.0 42.5 310.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 46.7 5.8 15.3 32.2 NO. OF DAYS WITH PRECIPITATION. 4 8 7 1 1 3 2 3 7 9 3 7 55 NO. OF DAYS PRECIPITATION EQUAL 4 8 7 1 1 1 2 3 6 9 3 7 52 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 2 2 0 0 1 0 0 1 2 0 1 11 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 91 91 90 89 82 77 78 82 87 87 87 95 86 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 68 69 72 62 56 53 51 60 64 65 62 76 63 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 85 88 87 72 73 64 61 67 74 77 77 94 77 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 1 0 0 0 0 0 0 0 0 0 0 0 1 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 31 30 23 0 0 0 85 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 16 26 31 30 26 0 0 0 138 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 2 4 0 0 0 0 6 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. 12 6 0 0 0 0 0 0 0 0 2 1 21 DATE OF START AND END FREEZING START = 28 NOV. END = 11 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 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. 6.8 10.3 14.0 18.6 23.5 26.9 28.9 29.2 26.0 19.2 14.5 10.0 19.0 AVERAGE OF MINIMUM TEMPERATURE IN C. 0.9 2.8 7.3 11.8 16.3 20.4 22.6 23.0 20.4 12.8 9.1 4.3 12.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. 12.7 17.8 20.6 25.3 30.7 33.3 35.2 35.4 31.6 25.6 19.8 15.7 25.3 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.8 15.0 13.3 13.5 14.4 12.9 12.6 12.4 11.2 12.8 10.7 11.4 12.7 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.05 4.29 6.29 8.29 11.12 13.34 14.69 15.76 13.56 9.04 7.00 5.16 9.38 MEAN OF MIXING RATIO AT 09 GMT. 5.33 6.06 7.71 8.88 11.55 14.14 15.34 16.60 14.21 11.34 9.31 7.35 10.65 MEAN OF MIXING RATIO AT 15 GMT. 5.61 6.03 8.02 9.70 12.26 15.20 16.70 16.57 14.57 10.18 9.00 6.87 10.89 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -6.0 -2.0 -0.8 7.0 12.8 16.0 19.0 18.4 13.8 4.6 1.4 -0.8 -6.0 DAY 22 1 12 3 7 2 20 15 22 28 20 23 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 22.5 27.0 34.0 37.0 41.0 43.0 41.5 41.0 37.0 38.5 28.0 26.5 43.0 DAY 10 21 29 25 15 23 27 2 9 6 15 29 24 HOUR MAXIMUM PRECIPITATION IN MM. 6.0 8.0 25.0 5.0 3.5 11.0 4.0 53.0 1.5 8.0 12.0 11.0 53.0 DAY 24 5 26 10 18 30 18 11 18 2 19 16 MONTHLY TOTAL PRECIPITATION IN MM. 13.0 23.5 54.0 8.5 3.5 11.0 4.0 53.0 1.5 16.5 37.0 22.5 248.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 36.5 9.3 23.6 30.6 NO. OF DAYS WITH PRECIPITATION. 4 4 6 3 2 1 1 1 1 5 6 4 38 NO. OF DAYS PRECIPITATION EQUAL 4 4 6 3 1 1 1 1 1 4 6 4 36 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 2 0 0 1 0 1 0 0 1 1 6 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 86 82 85 87 82 76 75 80 82 84 87 90 83 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 65 57 60 54 50 51 49 52 54 60 71 75 58 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 88 74 78 69 66 65 60 60 64 68 84 88 72 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 5 0 0 0 0 0 0 0 0 0 0 0 5 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 1 12 26 23 16 1 0 0 79 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 3 6 18 23 31 31 23 1 0 0 136 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 1 4 4 1 0 0 0 0 10 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. 13 6 1 0 0 0 0 0 0 0 0 3 23 DATE OF START AND END FREEZING START = 22 DEC. END = 12 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 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. 7.8 9.6 13.4 15.5 20.3 26.1 29.9 28.8 27.2 22.6 14.6 5.7 18.5 AVERAGE OF MINIMUM TEMPERATURE IN C. 2.9 3.7 6.5 10.7 14.5 19.5 23.9 24.0 21.9 16.6 9.4 0.8 12.9 AVERAGE OF MAXIMUM TEMPERATURE IN C. 12.7 15.6 20.3 20.3 26.1 32.6 35.9 33.5 32.6 28.7 19.8 10.7 24.1 DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.8 11.9 13.8 9.6 11.6 13.1 12.0 9.5 10.7 12.1 10.3 9.9 11.2 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.75 5.16 5.92 7.81 9.72 12.94 16.49 17.17 15.25 11.40 7.29 3.94 9.82 MEAN OF MIXING RATIO AT 09 GMT. 6.01 6.70 8.35 9.67 10.99 14.28 16.09 17.47 17.47 14.07 9.86 5.19 11.35 MEAN OF MIXING RATIO AT 15 GMT. 6.19 6.48 8.10 9.90 10.83 13.63 16.22 16.94 16.60 13.36 9.67 5.25 11.10 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -1.8 -0.8 -0.8 7.0 8.4 14.8 18.2 20.0 15.4 9.2 3.4 -3.0 -3.0 DAY 13 17 7 1 2 8 2 13 28 24 30 4 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 19.5 25.5 34.5 31.0 41.0 38.0 41.5 38.5 35.0 38.5 28.0 22.5 41.5 DAY 2 25 27 7 31 11 14 3 17 3 10 7 24 HOUR MAXIMUM PRECIPITATION IN MM. 14.0 8.0 13.0 21.5 12.5 4.0 0.0 50.0 50.0 20.5 15.0 14.0 50.0 DAY 12 3 23 4 13 22 ** 13 25 22 14 22 MONTHLY TOTAL PRECIPITATION IN MM. 37.0 18.0 24.0 57.0 18.5 4.0 0.0 88.0 50.0 36.5 57.0 32.0 422.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 18.7 18.8 32.7 29.7 NO. OF DAYS WITH PRECIPITATION. 5 4 5 9 2 2 0 5 1 2 6 7 48 NO. OF DAYS PRECIPITATION EQUAL 5 4 5 9 2 1 0 5 1 2 6 7 47 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 0 1 2 1 0 0 2 1 2 4 1 16 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 94 90 85 92 86 78 80 84 87 85 93 90 87 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 72 69 64 75 59 51 48 60 62 63 74 75 64 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 89 83 78 85 71 59 57 65 67 72 92 93 76 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 11 29 28 23 5 0 0 96 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 2 1 8 21 30 26 29 13 0 0 130 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 1 0 3 0 0 0 0 0 4 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 4 4 0 0 0 0 0 0 0 0 11 30 DATE OF START AND END FREEZING START = 3 DEC. END = 11 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 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. 7.7 8.7 9.1 13.5 19.7 24.3 27.4 29.6 25.6 22.4 13.6 10.4 17.7 AVERAGE OF MINIMUM TEMPERATURE IN C. 2.3 4.1 4.6 7.4 11.2 17.5 22.4 23.3 19.9 16.1 8.1 5.9 11.9 AVERAGE OF MAXIMUM TEMPERATURE IN C. 13.1 13.3 13.6 19.6 28.3 31.0 32.4 35.8 31.2 28.6 19.1 14.9 23.4 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.8 9.2 9.0 12.2 17.1 13.5 10.0 12.5 11.3 12.5 11.0 9.0 11.5 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.47 5.09 5.59 7.22 9.37 12.31 15.93 16.07 13.38 11.06 6.75 5.85 9.42 MEAN OF MIXING RATIO AT 09 GMT. 6.30 6.26 7.16 9.93 12.68 12.94 16.31 17.54 15.18 13.37 8.50 7.59 11.15 MEAN OF MIXING RATIO AT 15 GMT. 6.49 6.44 6.91 9.51 11.97 12.34 16.03 17.62 14.11 13.15 8.03 6.74 10.78 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -3.6 -3.2 -2.4 1.8 4.0 10.2 18.6 21.6 10.8 12.0 1.2 -2.8 -3.6 DAY 31 18 3 19 2 7 3 4 27 21 24 13 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 23.5 25.5 19.0 36.0 38.5 35.5 37.0 44.5 37.5 36.5 26.0 25.0 44.5 DAY 7 3 21 26 31 5 17 12 3 24 2 19 24 HOUR MAXIMUM PRECIPITATION IN MM. 5.0 7.5 21.0 8.0 21.0 4.5 8.0 67.0 0.0 17.6 16.5 16.5 67.0 DAY 29 17 8 29 8 25 24 21 ** 5 14 11 MONTHLY TOTAL PRECIPITATION IN MM. 9.0 35.5 65.0 36.2 24.0 7.0 14.2 68.3 0.0 29.6 73.8 40.5 403.1 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 27.2 16.7 20.5 35.7 NO. OF DAYS WITH PRECIPITATION. 3 11 12 8 2 2 4 3 0 4 8 7 64 NO. OF DAYS PRECIPITATION EQUAL 3 11 12 8 2 2 3 1 0 4 8 7 61 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 2 0 1 0 0 1 0 1 4 1 10 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 93 92 93 92 84 81 85 83 85 87 90 91 88 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 76 77 82 79 60 52 61 55 59 62 72 79 68 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 91 91 91 88 70 61 68 66 64 74 85 88 78 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 2 26 31 14 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 0 4 14 22 26 31 16 7 0 0 120 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 3 0 0 0 0 3 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. 8 3 2 0 0 0 0 0 0 0 0 3 16 DATE OF START AND END FREEZING START = 12 DEC. END = 31 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 MET. MEAN AND EXTREMES FOR THE PERIOD 1987 TO 2003 PAGE 1 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPE. IN C. 6.8 7.7 10.6 16.3 21.2 26.1 28.4 28.6 24.9 19.3 13.2 8.9 17.7 SD OF MEAN DAILY TEMPERATURE IN C. 1.13 1.74 1.63 1.61 1.30 1.37 0.96 1.40 1.30 1.95 1.38 1.35 1.43 AVERAGE OF MINIMUM TEMPERATURE IN C. 1.5 2.2 5.0 9.9 14.1 18.9 22.1 22.6 18.7 12.8 7.2 3.4 11.5 AVERAGE OF MAXIMUM TEMPERATURE IN C. 12.1 13.4 16.2 22.7 28.3 33.2 34.7 34.5 31.1 25.8 19.3 14.4 23.8 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.5 11.2 11.2 12.9 14.2 14.3 12.6 11.9 12.4 13.0 12.1 11.1 12.3 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.51 4.59 5.67 7.81 10.34 13.82 16.30 16.72 13.44 9.42 6.57 5.09 9.52 MEAN OF MIXING RATIO AT 09 GMT. 5.75 5.72 7.06 9.54 11.99 14.35 16.62 17.61 15.29 11.61 8.47 6.60 10.88 MEAN OF MIXING RATIO AT 15 GMT. 5.80 5.93 7.30 9.97 12.07 14.42 16.74 17.65 15.34 11.57 8.34 6.46 10.96 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -6.0 -6.5 -3.5 1.8 4.0 8.5 12.5 15.0 9.5 3.0 -1.0 -4.5 -6.5 YEAR - DAY 0-15 97- 9 97-10 3-19 3- 2 87-23 87-13 92-31 91-28 95-18 0-28 87-30 97- 9 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 25.5 32.5 34.5 37.0 41.0 47.0 44.0 44.5 44.0 38.5 33.0 30.0 47.0 YEAR - DAY 97- 7 96- 9 2-27 97-24 1-15 88-14 91- 6 0- 3 88- 9 1- 6 95-10 98- 8 88-14 24 HOUR MAXIMUM PRECIPITATION IN MM. 24.0 43.5 46.0 28.0 54.5 41.0 13.0 76.0 50.0 37.0 41.0 26.5 76.0 YEAR - DAY 94-17 97- 8 92-25 98-25 92-13 88-20 99-26 93-16 2-25 99-13 95-26 88-28 93-16 MONTHLY TOTAL PRECIPITATION IN MM. 36.4 35.6 52.0 34.4 23.9 10.9 7.5 25.9 19.5 34.0 42.2 34.8 357.1 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 34.7 19.4 14.8 31.1 NO. OF DAYS WITH PRECIPITATION. 7 6 9 6 4 3 3 3 4 5 5 7 62 NO. OF DAYS PRECIPITATION EQUAL 6 6 8 5 3 2 2 2 3 5 5 6 53 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 1 2 1 1 0 0 1 1 1 2 1 12 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 93 91 91 90 86 82 83 85 87 87 91 92 88 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 73 69 71 65 58 52 55 59 60 62 67 72 64 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 86 82 82 76 67 61 62 65 69 75 81 86 74 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 1 0 0 0 0 0 0 0 0 0 0 0 1 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 6 24 25 10 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 4 13 23 29 29 20 5 0 0 123 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 2 1 0 0 0 0 4 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. 10 8 2 0 0 0 0 0 0 0 0 5 25 DATE OF START AND END FREEZING START = 20 NOV. END = 31 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION MAZRAEH NEMOONEH ARTESH LATITUDE 37 9 N DATA PROCESSING CENTER LONGITUDE 54 34 E ELEVATION 10 MET. MEAN AND EXTREMES FOR THE PERIOD 1987 TO 2003 PAGE 2 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE DRY BULB TEMPERATURE. IN C. 7.3 8.1 11.1 16.7 22.1 27.1 29.1 29.1 25.5 19.9 13.6 9.1 18.2 AVERAGE DEW POINT TEMPERATURE. IN C. 4.5 4.6 7.6 12.2 15.7 19.1 21.7 22.5 19.7 14.9 9.8 6.2 13.2 AVERAGE OF MIXING RATIO IN G/KG 5.35 5.42 6.67 9.10 11.46 14.19 16.55 17.32 14.69 10.86 7.79 6.06 10.45 AVERAGE OF VAPOUR PRESSURE HPA 8.62 8.73 10.73 14.58 18.29 22.55 26.21 27.41 23.33 17.35 12.50 9.76 16.67 AVERAGE OF SATURATION DEFICIT IN HPA 2.02 2.70 3.17 5.67 9.67 14.66 15.17 13.87 10.45 7.09 3.94 2.41 7.57 AVERAGE RELATIVE HUMIDITY IN PERCENT 84 81 81 77 70 65 67 70 72 75 80 84 76 AVERAGE OF MAXIMUM RELATIVE HUMIDITY(%) 94 93 92 90 86 82 83 86 88 88 92 94 89 AVERAGE OF MINIMUM RELATIVE HUMIDITY(%) 72 68 70 65 57 51 54 57 60 61 66 72 63 NO. OF DAYS PRECIPITATION EQUAL 3 3 3 2 1 1 0 1 1 2 3 3 23 OR MORE THAN 5 MM.