IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 1 STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 MET. AVERAGE OF MEAN DAILY TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MAX-MIN 1992 ****** ****** ****** ****** 11.0 18.4 23.9 ****** 18.5 14.8 7.9 1.6 ****** 1993 -3.9 0.4 4.4 12.2 16.3 21.9 25.2 25.0 22.1 13.6 3.1 -1.1 29.1 1994 0.6 1.4 7.4 13.6 16.8 21.3 23.9 24.3 19.0 13.9 7.9 0.4 23.9 1995 1.5 3.6 7.9 12.6 16.9 20.8 25.4 27.3 22.0 13.8 7.9 1.0 26.3 1996 -0.4 3.1 4.9 11.4 18.8 22.2 26.0 26.3 22.6 14.5 6.7 4.7 26.7 1997 1.5 -1.1 3.4 12.7 17.8 23.9 25.9 27.5 20.3 16.3 6.2 2.2 28.6 1998 -7.6 -4.0 6.0 13.6 17.5 24.5 25.3 26.1 21.4 14.5 10.1 4.9 33.7 1999 1.1 4.9 7.0 13.0 19.6 24.7 24.9 28.5 21.5 16.8 6.5 1.7 27.4 2000 0.3 0.5 6.4 15.2 19.2 23.3 26.9 26.8 22.2 13.4 6.1 2.4 26.6 2001 -0.1 3.2 10.9 16.2 18.7 ****** ****** 27.0 22.7 15.3 6.0 4.7 ****** 2002 -1.0 3.5 9.3 12.3 17.2 23.1 25.9 26.0 23.9 18.6 8.2 -0.9 27.0 2003 1.2 2.5 5.8 12.6 16.5 21.8 25.5 26.0 21.4 18.6 7.3 1.0 25.0 MEAN -0.6 1.6 6.7 13.2 17.2 22.4 25.4 26.4 21.5 15.3 7.0 1.9 27.0 SD 2.80 2.57 2.16 1.39 2.23 1.83 0.88 1.18 1.54 1.86 1.71 2.05 1.85 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 2 STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 MET. AVERAGE OF MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1992 ****** ****** ****** ****** 3.4 8.6 13.6 ****** 9.4 6.5 2.0 -1.8 ****** 1993 -8.0 -4.5 -1.2 5.8 10.0 13.9 17.7 17.3 13.6 6.3 0.4 -3.1 5.7 1994 -2.8 -2.9 2.1 7.1 9.5 13.2 15.8 16.2 11.0 7.1 3.1 -3.7 6.3 1995 -2.8 -1.6 1.1 6.3 9.8 13.6 17.8 18.7 13.7 6.4 0.8 -5.3 6.5 1996 -4.7 -1.5 0.3 5.9 11.6 14.5 18.6 18.0 14.4 8.2 1.2 0.1 7.2 1997 -4.9 -7.0 -1.7 5.5 10.7 15.9 18.2 19.0 12.0 9.0 1.3 -2.5 6.3 1998 -12.5 -8.3 1.0 6.8 9.7 16.0 17.2 17.5 12.8 6.1 3.8 -0.3 5.8 1999 -3.5 -1.8 -0.0 5.8 11.2 16.6 17.4 20.5 13.5 9.7 1.3 -1.9 7.4 2000 -3.8 -4.9 0.1 8.3 11.3 15.2 18.7 19.0 14.3 7.2 1.5 -0.8 7.2 2001 -4.4 -2.7 3.9 8.9 10.9 ****** ****** 18.7 15.1 9.0 1.4 1.2 ****** 2002 -4.6 -2.0 2.7 7.1 10.2 15.3 18.5 18.3 15.3 11.6 3.4 -3.7 7.7 2003 -2.7 -1.8 1.3 6.8 9.2 14.3 18.1 18.6 13.7 11.5 1.9 -2.1 7.4 MEAN -5.0 -3.5 0.9 6.8 9.8 14.3 17.4 18.3 13.2 8.2 1.8 -2.0 6.7 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 3 STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 MET. AVERAGE OF MAXIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1992 ****** ****** ****** ****** 18.6 28.2 34.2 ****** 27.6 23.1 13.9 5.0 ****** 1993 0.1 5.3 10.1 18.6 22.6 29.9 32.8 32.6 30.5 21.0 5.7 0.8 17.5 1994 3.9 5.7 12.7 20.1 24.1 29.4 32.0 32.3 27.1 20.6 12.7 4.5 18.8 1995 5.8 8.9 14.7 18.9 24.1 28.3 33.0 35.9 30.2 21.1 15.1 7.2 20.3 1996 3.8 7.7 9.5 16.9 26.0 29.9 33.5 34.5 30.8 20.8 12.3 9.5 19.6 1997 6.5 4.7 8.6 19.8 24.9 31.9 33.5 36.0 28.6 23.6 11.2 6.9 19.7 1998 -3.0 0.2 10.9 20.4 25.2 33.1 33.4 34.6 30.1 22.9 16.4 10.3 19.6 1999 5.8 11.5 14.1 20.2 28.0 32.8 32.4 36.5 29.6 24.0 11.6 5.3 21.0 2000 4.5 6.0 12.7 22.1 27.1 31.5 35.1 34.7 30.1 19.5 10.8 5.6 20.0 2001 4.2 9.0 17.9 23.5 26.5 ****** ****** 35.2 30.2 21.6 10.6 8.2 ****** 2002 2.6 9.1 15.9 17.4 24.3 30.9 33.2 33.6 32.5 25.6 13.1 2.0 20.0 2003 5.0 6.9 10.4 18.5 23.8 29.3 33.0 33.5 29.1 25.7 12.7 4.1 19.3 MEAN 3.6 6.8 12.5 19.7 24.6 30.5 33.3 34.5 29.7 22.5 12.2 5.8 19.6 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 4 STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 MET. DIFFERENCE BETWEEN AVERAGE MAXIMUM AND MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1992 ****** ****** ****** ****** 15.2 19.6 20.6 ****** 18.2 16.6 11.9 6.8 ****** 1993 8.1 9.8 11.3 12.8 12.6 16.0 15.1 15.3 16.9 14.7 5.3 3.9 11.8 1994 6.7 8.6 10.6 13.0 14.6 16.2 16.2 16.1 16.1 13.5 9.6 8.2 12.4 1995 8.6 10.5 13.6 12.6 14.3 14.7 15.2 17.2 16.5 14.7 14.3 12.5 13.7 1996 8.5 9.2 9.2 11.0 14.4 15.4 14.9 16.5 16.4 12.6 11.1 9.4 12.4 1997 11.4 11.7 10.3 14.3 14.2 16.0 15.3 17.0 16.6 14.6 9.9 9.4 13.4 1998 9.5 8.5 9.9 13.6 15.5 17.1 16.2 17.1 17.3 16.8 12.6 10.6 13.7 1999 9.3 13.3 14.1 14.4 16.8 16.2 15.0 16.0 16.1 14.3 10.3 7.2 13.6 2000 8.3 10.9 12.6 13.8 15.8 16.3 16.4 15.7 15.8 12.3 9.3 6.4 12.8 2001 8.6 11.7 14.0 14.6 15.6 ****** ****** 16.5 15.1 12.6 9.2 7.0 ****** 2002 7.2 11.1 13.2 10.3 14.1 15.6 14.7 15.3 17.2 14.0 9.7 5.7 12.3 2003 7.7 8.7 9.1 11.7 14.6 15.0 14.9 14.9 15.4 14.2 10.8 6.2 11.9 MEAN 8.5 10.4 11.6 12.9 14.8 16.2 15.9 16.1 16.5 14.2 10.3 7.8 12.9 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 5 STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1992 ****** ****** ****** ****** 7.45 9.42 12.97 ****** 7.31 5.18 4.64 3.92 ****** 1993 2.65 3.19 3.35 5.30 8.00 9.43 10.62 9.94 7.31 5.12 4.63 3.60 6.10 1994 3.87 3.87 4.57 5.86 7.34 8.72 10.32 10.55 6.83 6.94 5.40 3.41 6.47 1995 3.91 3.67 3.85 5.69 7.64 9.49 11.30 10.76 7.58 5.10 3.73 2.95 6.31 1996 3.19 4.11 4.15 5.68 8.82 8.60 12.26 8.92 6.37 5.57 4.08 3.62 6.28 1997 2.90 2.58 3.66 4.57 7.17 9.50 11.11 9.97 6.74 6.03 4.66 3.82 6.06 1998 2.06 2.45 3.96 5.93 8.02 9.28 10.22 9.99 7.55 5.05 4.61 3.63 6.06 1999 3.25 3.02 3.43 5.20 5.81 8.73 10.43 9.07 7.79 4.96 4.41 3.72 5.82 2000 2.99 2.73 3.70 5.86 6.80 8.02 8.80 9.45 8.20 5.93 4.67 3.62 5.90 2001 2.91 2.92 3.93 5.39 6.59 ****** ****** 10.99 8.71 6.41 4.37 4.23 ****** 2002 2.83 3.16 3.67 5.93 6.89 7.51 9.78 9.55 7.18 5.97 4.83 3.09 5.87 2003 3.12 3.16 3.99 5.55 6.79 8.47 10.61 10.43 7.66 5.99 4.15 3.48 6.12 MEAN 3.07 3.17 3.85 5.55 7.28 8.84 10.77 9.97 7.44 5.69 4.52 3.60 6.14 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 6 STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1992 ****** ****** ****** ****** 8.71 11.36 17.85 ****** 8.96 8.02 6.41 4.57 ****** 1993 3.29 3.99 4.60 6.90 8.92 11.00 12.99 12.99 10.25 7.47 5.39 4.12 7.66 1994 5.25 5.77 5.59 6.98 8.46 9.14 11.98 11.40 9.12 9.01 7.00 4.49 7.85 1995 5.21 4.90 4.66 5.99 7.99 9.27 12.16 12.19 10.00 5.99 4.11 3.55 7.17 1996 4.36 4.79 4.91 5.41 9.09 9.03 15.32 10.46 7.94 6.96 5.42 4.55 7.35 1997 3.88 3.48 3.74 4.61 7.97 10.65 11.89 11.01 8.11 7.94 5.82 4.78 6.99 1998 2.92 3.05 4.31 6.27 7.86 9.32 10.92 10.04 8.71 6.24 5.68 4.34 6.64 1999 3.75 3.58 3.46 4.83 5.93 10.09 11.21 9.27 8.28 5.61 5.01 4.26 6.27 2000 3.38 3.22 4.04 5.59 6.79 8.20 9.53 9.70 9.73 7.31 5.68 4.45 6.47 2001 3.33 3.73 4.70 6.06 7.57 ****** ****** 14.62 10.45 8.35 5.32 4.71 ****** 2002 3.35 3.79 4.41 6.12 7.01 8.49 10.68 10.86 8.72 7.71 5.72 3.81 6.72 2003 4.23 3.97 4.67 6.06 6.95 8.21 11.78 11.88 9.49 7.80 4.91 4.19 7.01 MEAN 3.91 4.03 4.47 5.90 7.78 9.53 12.40 11.32 9.15 7.37 5.54 4.32 7.14 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 7 STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1992 ****** ****** ****** ****** 8.23 11.40 16.95 ****** 8.04 7.64 5.72 4.53 ****** 1993 3.21 3.56 3.54 7.08 9.03 10.42 11.19 11.53 9.05 6.76 5.33 4.06 7.06 1994 4.84 5.16 5.60 6.96 7.87 8.91 10.49 10.06 8.06 8.31 6.56 4.00 7.23 1995 4.93 4.56 4.70 6.42 7.66 9.16 11.16 10.41 9.23 5.53 3.70 3.59 6.75 1996 3.82 4.54 4.74 5.59 8.96 9.41 14.72 10.17 6.33 6.51 5.13 4.44 7.03 1997 3.49 3.45 3.83 4.33 8.00 10.92 10.88 10.83 7.77 7.26 5.67 4.56 6.75 1998 2.38 2.66 4.14 5.99 7.74 9.38 10.42 9.92 8.11 5.70 5.33 3.85 6.30 1999 3.86 3.32 3.78 4.74 5.91 10.41 10.84 8.72 7.53 5.22 4.67 4.23 6.10 2000 3.18 2.88 4.02 5.44 6.27 8.09 8.69 9.30 9.00 6.51 5.09 4.21 6.06 2001 3.28 3.39 4.64 5.59 7.33 ****** ****** 13.53 10.91 7.89 5.10 4.68 ****** 2002 3.32 3.51 4.33 6.08 7.06 8.55 10.22 10.58 8.71 7.43 5.61 3.67 6.59 2003 3.98 3.69 4.51 6.00 6.88 8.43 11.15 10.43 8.69 7.15 5.04 3.96 6.66 MEAN 3.67 3.71 4.35 5.84 7.58 9.56 11.52 10.50 8.46 6.83 5.25 4.15 6.78 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 8 STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 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 1992 ***** ** ***** ** ***** ** ***** ** -6.0 5 5.0 5 5.5 12 ***** ** 5.0 1 2.0 8 -8.0 28 -10.2 29 ***** 1993 -17.0 18 -12.5 16 -6.8 23 0.5 24 2.7 9 9.6 23 14.2 19 12.4 29 9.0 25 1.4 8 -9.5 15 -8.6 6 -17.0 1994 -9.6 24 -9.5 20 -3.0 2 -1.2 5 3.7 7 8.0 30 8.7 2 13.7 26 5.2 20 2.5 13 -2.6 10 -11.5 7 -11.5 1995 -6.6 25 -6.0 25 -3.2 1 0.5 6 3.8 9 9.3 2 14.7 6 15.4 24 5.8 22 0.8 18 -7.8 28 -12.8 20 -12.8 1996 -12.0 15 -7.8 6 -5.8 1 -1.6 6 7.4 2 9.8 12 11.2 15 15.0 30 9.6 21 2.0 28 -4.8 13 -4.2 1 -12.0 1997 -18.2 29 -15.4 2 -10.2 9 -4.2 12 4.0 6 12.2 1 13.6 6 15.0 22 2.6 14 4.8 25 -3.0 28 -9.0 21 -18.2 1998 -23.0 11 -14.6 16 -9.6 3 0.8 1 3.0 3 10.0 4 12.6 26 13.4 7 8.6 29 1.8 25 -0.4 26 -4.8 20 -23.0 1999 -9.8 4 -7.6 22 -5.0 5 -1.4 10 2.4 21 12.4 5 11.8 15 16.0 30 7.4 28 2.4 26 -7.0 30 -7.0 7 -9.8 2000 -12.2 18 -12.2 9 -7.4 3 0.0 11 6.8 11 6.8 14 14.2 23 15.2 6 11.5 12 2.4 4 -3.8 27 -5.0 23 -12.2 2001 -12.6 28 -9.7 1 -3.8 12 4.2 10 6.5 10 ***** ** ***** ** 14.2 13 10.2 20 2.4 28 -15.8 20 -7.0 22 ***** 2002 -11.8 31 -11.2 1 -4.2 1 2.4 13 5.2 14 10.0 7 14.5 25 13.0 31 13.0 17 3.6 23 -2.6 30 -10.5 28 -11.8 2003 -8.5 18 -9.0 18 -8.0 2 -2.8 18 1.5 1 8.4 6 13.5 2 15.0 3 7.5 23 7.0 31 -5.4 18 -9.0 12 -9.0 LOW. -23.0 11 -15.4 2 -10.2 9 -4.2 12 -6.0 5 5.0 5 5.5 12 12.4 29 2.6 14 0.8 18 -15.8 20 -12.8 20 -23.0 YEAR 1998 1997 1997 1997 1992 1992 1992 1993 1997 1995 2001 1995 1998 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 9 STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 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 1992 ***** ** ***** ** ***** ** ***** ** 28.5 29 36.5 30 39.5 23 ***** ** 32.2 2 26.5 10 20.0 6 13.5 15 ***** 1993 10.0 29 14.5 27 21.0 31 29.6 19 28.0 19 37.0 27 38.0 16 39.2 14 37.0 1 30.5 1 16.2 8 8.0 28 39.2 1994 10.0 3 14.2 27 21.8 31 28.0 21 30.7 31 35.5 10 39.0 19 37.3 18 33.5 12 24.0 13 19.6 3 12.5 2 39.0 1995 11.8 29 14.5 22 21.7 24 24.2 3 29.5 19 35.7 29 39.5 25 41.0 5 36.7 3 31.6 3 22.6 7 11.2 29 41.0 1996 12.4 1 17.2 9 19.6 30 23.0 29 31.8 31 36.0 29 38.0 18 39.6 21 35.2 15 27.8 3 17.4 3 16.0 28 39.6 1997 13.4 6 12.8 20 17.4 31 30.8 26 32.2 27 36.2 26 41.0 29 40.6 14 34.4 1 28.4 6 15.8 3 14.2 8 41.0 1998 5.0 30 7.8 8 19.4 28 28.8 13 33.2 28 38.2 24 36.8 17 40.4 29 40.0 1 30.0 1 21.6 9 20.2 10 40.4 1999 11.4 8 16.0 27 22.0 31 28.6 30 36.4 31 36.8 24 38.8 21 40.0 26 35.4 3 31.4 4 20.4 19 14.0 30 40.0 2000 11.8 1 15.0 24 18.4 21 27.4 15 32.4 26 40.0 30 38.4 2 39.5 3 36.2 8 26.0 10 13.8 13 13.0 1 40.0 2001 10.4 13 16.2 28 25.5 29 31.5 19 33.5 16 ***** ** ***** ** 39.0 15 34.4 3 29.0 6 21.2 4 16.0 30 ***** 2002 14.2 2 15.0 26 23.0 26 27.0 28 32.8 24 36.7 12 37.8 14 38.2 7 35.6 7 32.0 1 21.2 11 9.0 8 38.2 2003 13.4 14 12.7 8 15.6 6 28.0 25 29.0 16 34.8 18 39.5 17 41.0 12 36.0 5 30.0 9 19.0 1 12.5 18 41.0 HIG. 14.2 2 17.2 9 25.5 29 31.5 19 36.4 31 40.0 30 41.0 29 41.0 5 40.0 1 32.0 1 22.6 7 20.2 10 41.0 YEAR 2002 1996 2001 2001 1999 2000 1997 1995 1998 2002 1995 1998 1995 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 10 STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 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 1992 ***** ** ***** ** ***** ** ***** ** 10.4 13 4.5 6 0.0 ** ***** ** 0.0 ** 0.0 ** 7.0 25 2.0 2 ***** 1993 2.5 17 6.2 3 13.5 8 24.4 25 15.8 3 11.5 1 9.0 27 3.8 28 0.0 ** 7.5 28 44.0 2 25.0 8 44.0 1994 17.6 4 13.5 28 8.4 8 20.0 30 10.2 4 6.4 22 0.0 ** 0.0 ** 0.8 9 16.1 2 43.5 6 8.1 30 43.5 1995 4.5 16 11.5 5 4.3 17 11.5 24 15.3 5 37.5 3 2.7 5 0.0 ** 4.5 29 1.2 24 1.6 2 0.0 ** 37.5 1996 10.0 29 9.5 12 14.3 7 12.8 13 5.2 11 1.2 15 19.2 5 0.0 ** 1.9 22 20.4 14 3.5 11 5.8 14 20.4 1997 7.7 28 2.7 26 6.5 7 8.6 5 8.0 17 0.8 18 7.2 4 0.0 ** 0.0 ** 8.6 21 10.2 12 8.5 1 10.2 1998 20.3 6 8.0 19 14.5 17 16.0 4 11.5 13 0.0 ** 0.0 ** 4.0 10 1.2 13 5.1 10 5.1 12 2.5 27 20.3 1999 13.5 9 4.5 4 7.0 26 13.0 2 3.0 15 0.0 ** 2.5 14 1.5 9 4.6 26 9.5 25 10.5 1 8.0 10 13.5 2000 14.7 6 7.6 25 30.4 24 15.0 21 5.5 6 0.0 ** 3.8 7 0.5 10 7.4 30 3.9 17 7.8 1 12.5 11 30.4 2001 8.2 18 7.2 4 7.0 9 11.5 9 19.2 3 0.0 ** 0.0 ** 0.0 ** 0.0 ** 6.3 26 25.0 17 5.5 1 25.0 2002 4.7 24 0.0 ** 9.0 18 16.8 2 11.5 21 0.0 ** 16.2 26 0.0 ** 0.0 ** 7.7 30 10.5 1 9.0 17 16.8 2003 8.5 28 13.7 14 9.5 26 22.1 17 37.4 29 6.0 1 0.0 ** 0.0 ** 0.0 ** 1.0 27 8.5 30 9.4 30 37.4 HIG. 20.3 6 13.7 14 30.4 24 24.4 25 37.4 29 37.5 3 19.2 5 4.0 10 7.4 30 20.4 14 44.0 2 25.0 8 44.0 YEAR 1998 2003 2000 1993 2003 1995 1996 1998 2000 1996 1993 1993 1993 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 11 STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 MET. MONTHLY TOTAL PRECIPITATION WITH SEASONAL PERCENT. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL SEASONAL-PERCENT ----------------------- 1992 ****** ****** ****** ****** 62.0 13.1 0.0 ****** 0.0 0.0 10.8 4.0 ****** ***** 83.5 0.0 16.5 1993 11.0 20.7 43.6 52.4 45.8 22.9 21.4 3.8 0.0 9.1 115.3 57.0 403.0 18.7 30.0 6.3 45.0 1994 52.4 27.5 39.1 58.2 24.8 6.4 0.0 0.0 0.8 26.1 91.1 9.5 335.9 35.4 26.6 0.2 37.7 1995 8.5 18.5 10.4 41.4 39.2 75.8 2.7 0.0 6.3 1.2 2.3 0.0 206.3 18.1 75.8 4.4 1.7 1996 24.2 31.6 52.7 57.5 13.3 1.2 22.7 0.0 1.9 49.6 9.9 10.1 274.7 39.5 26.2 9.0 25.3 1997 20.5 4.7 16.3 10.6 33.9 1.2 12.2 0.0 0.0 11.2 37.6 24.1 172.3 24.1 26.5 7.1 42.3 1998 54.7 28.2 35.0 37.7 46.9 0.0 0.0 4.0 1.2 5.1 9.3 2.5 224.6 52.5 37.7 2.3 7.5 1999 28.0 4.5 17.2 25.0 7.6 0.0 5.0 1.5 4.6 15.0 19.0 24.1 151.5 32.8 21.5 7.3 38.3 2000 18.8 13.7 59.8 21.6 11.5 0.0 3.8 0.5 10.6 13.2 14.0 23.0 190.5 48.5 17.4 7.8 26.4 2001 15.6 11.9 10.5 21.5 26.6 0.0 0.0 0.0 0.0 16.5 42.8 15.6 161.0 23.6 29.9 0.0 46.5 2002 16.5 0.0 12.0 57.8 23.3 0.0 16.2 0.0 0.0 7.7 34.2 54.1 221.8 12.8 36.6 7.3 43.3 2003 19.6 40.8 36.0 81.1 58.8 9.0 0.0 0.0 0.0 2.0 20.5 29.2 297.0 32.5 50.1 0.0 17.4 MEAN 24.5 18.4 30.2 42.3 32.8 10.8 7.0 0.9 2.1 13.1 33.9 21.1 237.1 30.8 36.2 4.2 28.7 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 12 STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 MET. NO. OF DAYS WITH PRECIPITATION YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1992 *** *** *** *** 10 7 0 *** 0 0 2 2 *** 1993 6 4 8 9 9 5 4 1 0 3 11 15 75 1994 10 6 11 11 4 1 0 0 1 4 7 2 57 1995 4 4 3 8 6 6 1 0 3 1 2 0 38 1996 5 8 11 11 4 1 2 0 1 4 5 3 55 1997 5 2 4 2 10 2 3 0 0 2 7 6 43 1998 7 6 5 5 6 0 0 1 1 1 3 1 36 1999 5 1 3 3 4 0 2 1 1 2 5 4 31 2000 4 4 5 3 3 0 1 1 3 8 4 3 39 2001 2 2 2 3 4 0 0 0 0 4 5 4 26 2002 4 0 2 11 5 0 1 0 0 1 5 9 38 2003 4 6 9 10 9 2 0 0 0 2 5 6 53 MEAN 5 4 6 7 6 2 1 0 1 3 5 5 45 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 13 STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 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 1992 *** *** *** *** 10 5 0 *** 0 0 2 2 *** 1993 6 4 8 7 8 4 4 1 0 1 10 6 59 1994 7 6 9 9 4 1 0 0 0 4 7 2 49 1995 2 4 3 8 5 6 1 0 2 1 1 0 33 1996 5 8 11 10 4 1 2 0 1 4 4 2 52 1997 5 2 4 2 8 0 2 0 0 2 7 4 36 1998 7 6 5 5 6 0 0 1 1 1 3 1 36 1999 5 1 3 3 4 0 2 1 1 2 4 4 30 2000 3 4 5 3 3 0 1 0 3 6 4 3 35 2001 2 2 2 3 4 0 0 0 0 4 4 3 24 2002 4 0 2 11 5 0 1 0 0 1 5 9 38 2003 4 6 9 10 8 2 0 0 0 2 5 6 52 MEAN 5 4 6 6 6 2 1 0 1 2 5 4 42 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 14 STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 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 1992 *** *** *** *** 1 0 0 *** 0 0 0 0 *** 1993 0 0 1 1 1 1 0 0 0 0 4 2 10 1994 1 1 0 2 1 0 0 0 0 1 3 0 9 1995 0 1 0 1 2 2 0 0 0 0 0 0 6 1996 1 0 1 2 0 0 1 0 0 2 0 0 7 1997 0 0 0 0 0 0 0 0 0 0 1 0 1 1998 2 0 2 1 2 0 0 0 0 0 0 0 7 1999 1 0 0 1 0 0 0 0 0 0 1 0 3 2000 1 0 2 1 0 0 0 0 0 0 0 1 5 2001 0 0 0 1 1 0 0 0 0 0 1 0 3 2002 0 0 0 1 1 0 1 0 0 0 1 0 4 2003 0 2 0 3 1 0 0 0 0 0 0 0 6 MEAN 1 0 1 1 1 0 0 0 0 0 1 0 5 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 15 STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1992 *** *** *** *** 84 72 77 *** 68 67 78 92 *** 1993 93 90 76 72 78 67 64 64 60 68 92 95 77 1994 97 96 83 71 70 63 65 69 63 83 88 88 78 1995 96 84 73 72 70 69 67 63 62 67 70 85 73 1996 90 92 84 77 76 61 69 54 52 68 81 75 73 1997 85 86 84 63 66 61 64 57 59 64 86 90 72 1998 86 84 77 73 73 56 58 58 62 64 72 77 70 1999 83 70 68 69 52 55 64 49 65 54 85 88 67 2000 79 78 73 65 59 55 49 54 64 76 88 84 69 2001 84 76 64 60 61 *** *** 64 66 74 80 83 *** 2002 82 78 63 74 69 50 57 58 53 59 81 84 67 2003 83 79 78 72 69 62 63 62 63 57 75 85 71 MEAN 87 83 75 70 69 61 63 59 61 67 81 86 72 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 16 STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1992 *** *** *** *** 63 47 54 *** 37 45 63 81 *** 1993 78 70 60 53 52 42 41 43 40 48 86 93 59 1994 98 99 62 49 45 36 40 38 39 59 74 83 60 1995 85 70 46 46 42 39 39 34 38 40 40 59 48 1996 87 72 67 46 45 35 45 31 29 45 60 61 52 1997 71 69 57 31 41 36 38 31 34 43 69 76 50 1998 86 75 53 42 37 29 33 29 33 37 52 56 47 1999 64 43 36 34 26 32 37 23 33 33 60 76 41 2000 62 55 45 35 31 28 26 28 36 53 68 76 45 2001 63 53 40 35 36 *** *** 43 40 51 68 68 *** 2002 73 55 42 50 38 31 33 34 30 38 61 79 47 2003 76 66 60 50 37 33 39 36 40 39 54 79 51 MEAN 77 66 52 43 41 35 39 34 36 44 63 74 50 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 17 STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1992 *** *** *** *** 64 51 54 *** 39 51 68 89 *** 1993 90 69 51 58 58 42 40 41 39 54 91 96 61 1994 97 97 66 53 47 40 40 38 41 64 81 86 63 1995 92 73 51 53 49 45 40 34 42 45 46 71 53 1996 87 79 69 53 51 39 50 36 27 50 68 70 57 1997 76 77 63 33 47 41 40 35 38 48 76 82 55 1998 88 80 56 45 46 34 37 34 37 42 58 61 52 1999 76 47 42 37 31 37 41 27 35 37 65 83 47 2000 68 56 49 36 31 31 30 32 40 56 70 81 48 2001 73 57 45 37 40 *** *** 44 45 57 74 74 *** 2002 76 57 45 56 42 34 37 37 32 43 69 84 51 2003 79 69 62 52 45 37 41 37 41 42 65 82 54 MEAN 82 69 54 47 46 39 41 36 38 49 69 80 54 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 18 STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 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 1992 *** *** *** *** 1 0 0 *** 0 0 3 10 *** 1993 20 19 5 0 0 0 0 0 0 0 5 9 58 1994 12 13 0 0 0 0 0 0 0 0 0 17 42 1995 9 9 0 0 0 0 0 0 0 0 8 23 49 1996 16 8 3 0 0 0 0 0 0 0 2 2 31 1997 18 17 9 1 0 0 0 0 0 0 0 12 57 1998 28 25 5 0 0 0 0 0 0 0 0 4 62 1999 13 6 4 0 0 0 0 0 0 0 2 7 32 2000 15 16 7 0 0 0 0 0 0 0 0 6 44 2001 14 10 0 0 0 *** *** 0 0 0 4 1 *** 2002 21 11 1 0 0 0 0 0 0 0 0 16 49 2003 11 6 3 0 0 0 0 0 0 0 3 12 35 MEAN 16 13 3 0 0 0 0 0 0 0 2 10 44 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 19 STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 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 1992 *** *** *** *** 0 0 0 *** 0 0 0 0 *** 1993 0 0 0 0 0 0 5 1 0 0 0 0 6 1994 0 0 0 0 0 0 0 0 0 0 0 0 0 1995 0 0 0 0 0 1 3 5 0 0 0 0 9 1996 0 0 0 0 0 1 8 2 0 0 0 0 11 1997 0 0 0 0 0 0 3 5 0 0 0 0 8 1998 0 0 0 0 0 0 2 3 0 0 0 0 5 1999 0 0 0 0 0 0 3 14 0 0 0 0 17 2000 0 0 0 0 0 0 7 6 0 0 0 0 13 2001 0 0 0 0 0 *** *** 7 0 0 0 0 *** 2002 0 0 0 0 0 0 2 1 0 0 0 0 3 2003 0 0 0 0 0 0 2 5 0 0 0 0 7 MEAN 0 0 0 0 0 0 3 4 0 0 0 0 7 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 20 STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 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 1992 *** *** *** *** 0 0 0 *** 0 0 0 1 *** 1993 12 5 0 0 0 0 0 0 0 0 2 11 30 1994 4 2 0 0 0 0 0 0 0 0 0 4 10 1995 2 0 0 0 0 0 0 0 0 0 0 0 2 1996 6 3 2 0 0 0 0 0 0 0 0 0 11 1997 3 8 3 0 0 0 0 0 0 0 0 1 15 1998 23 14 1 0 0 0 0 0 0 0 0 0 38 1999 0 0 0 0 0 0 0 0 0 0 0 8 8 2000 5 5 0 0 0 0 0 0 0 0 0 2 12 2001 6 0 0 0 0 *** *** 0 0 0 2 0 *** 2002 11 0 0 0 0 0 0 0 0 0 0 12 23 2003 2 1 0 0 0 0 0 0 0 0 0 7 10 MEAN 7 3 1 0 0 0 0 0 0 0 0 4 15 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 21 STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 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 1992 *** *** *** *** 0 7 27 *** 5 0 0 0 *** 1993 0 0 0 0 0 17 26 25 16 1 0 0 85 1994 0 0 0 0 3 15 21 27 3 0 0 0 69 1995 0 0 0 0 0 7 27 31 18 1 0 0 84 1996 0 0 0 0 7 17 25 27 23 0 0 0 99 1997 0 0 0 3 5 24 26 30 12 0 0 0 100 1998 0 0 0 0 4 27 28 30 16 1 0 0 106 1999 0 0 0 0 11 27 23 31 16 3 0 0 111 2000 0 0 0 0 6 22 29 28 17 0 0 0 102 2001 0 0 0 1 7 *** *** 31 16 0 0 0 *** 2002 0 0 0 0 7 17 26 27 29 5 0 0 111 2003 0 0 0 0 0 14 27 30 13 1 0 0 85 MEAN 0 0 0 0 4 18 26 29 15 1 0 0 93 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 22 STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 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 1992 *** *** *** *** 0 0 0 *** 0 0 0 0 *** 1993 0 0 0 0 0 0 0 0 0 0 0 0 0 1994 0 0 0 0 0 0 0 0 0 0 0 0 0 1995 0 0 0 0 0 0 0 2 0 0 0 0 2 1996 0 0 0 0 0 0 0 0 0 0 0 0 0 1997 0 0 0 0 0 0 1 3 0 0 0 0 4 1998 0 0 0 0 0 0 0 4 1 0 0 0 5 1999 0 0 0 0 0 0 0 1 0 0 0 0 1 2000 0 0 0 0 0 1 0 0 0 0 0 0 1 2001 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 3 0 0 0 0 3 MEAN 0 0 0 0 0 0 0 1 0 0 0 0 1 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 23 STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 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 1992 *** *** *** *** 0 0 0 *** 0 0 0 0 *** 1993 0 0 0 0 0 0 0 0 0 0 0 0 0 1994 0 0 0 0 0 0 0 0 0 0 0 0 0 1995 0 0 0 0 0 0 0 0 0 0 0 0 0 1996 0 0 0 0 0 0 0 0 0 0 0 0 0 1997 0 0 0 0 0 0 0 0 0 0 0 0 0 1998 0 0 0 0 0 0 0 0 0 0 0 0 0 1999 0 0 0 0 0 0 0 0 0 0 0 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 *** 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 FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 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 -------------- 1992 *** *** *** *** 4 0 0 *** 0 0 9 19 *** 11 18 5 5 1993 30 25 20 0 0 0 0 0 0 0 12 31 118 11 13 3 26 1994 26 21 9 1 0 0 0 0 0 0 7 26 90 11 7 4 5 1995 31 18 16 0 0 0 0 0 0 0 13 30 108 11 11 3 29 1996 27 22 14 3 0 0 0 0 0 0 13 18 97 11 12 4 6 1997 27 26 18 5 0 0 0 0 0 0 9 23 108 11 9 4 14 1998 31 28 11 0 0 0 0 0 0 0 1 19 90 11 26 3 26 1999 27 23 18 1 0 0 0 0 0 0 9 24 102 11 2 4 10 2000 27 26 18 1 0 0 0 0 0 0 8 21 101 11 8 4 11 2001 30 23 7 0 0 *** *** 0 0 0 8 9 *** 11 19 3 19 2002 23 21 9 0 0 0 0 0 0 0 4 24 81 11 22 3 31 2003 27 22 13 3 0 0 0 0 0 0 9 22 96 11 15 4 29 MEAN 28 23 14 1 0 0 0 0 0 0 9 22 97 11 2 5 5 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 25 STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 MET. AVERAGE OF DRY BULB TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1992 ****** ****** ****** ****** 13.9 22.1 26.9 ****** 20.8 15.6 8.2 1.3 ****** 1993 -3.7 0.6 4.7 12.9 17.0 23.7 26.3 25.6 22.5 14.0 3.0 -1.1 12.1 1994 0.6 1.2 7.7 14.5 18.2 23.1 25.1 25.1 20.4 14.4 7.8 0.3 13.2 1995 1.8 3.6 8.5 13.4 18.1 22.2 26.2 27.9 22.3 13.8 7.5 0.8 13.8 1996 -0.7 2.9 5.0 11.7 19.7 23.5 26.9 27.2 23.4 14.5 6.4 4.6 13.8 1997 -0.2 -1.4 3.8 13.7 18.9 25.4 26.8 28.3 21.2 17.0 6.3 2.3 13.5 1998 -7.6 -3.8 6.2 14.4 18.9 26.4 27.0 27.5 22.7 15.2 10.2 4.8 13.5 1999 1.2 5.3 7.9 13.9 21.1 26.1 25.8 29.3 22.1 17.1 6.3 1.3 14.8 2000 0.3 0.7 6.9 16.1 20.7 24.9 28.0 27.7 22.8 13.2 6.0 1.9 14.1 2001 -0.6 2.8 11.0 16.6 19.5 ****** ****** 27.4 23.0 15.2 5.4 4.3 ****** 2002 -1.5 3.2 9.3 12.3 18.3 24.7 26.7 26.7 24.7 18.7 7.7 -1.2 14.1 2003 0.6 1.9 5.5 12.8 17.2 22.6 25.9 26.6 21.9 18.5 6.9 0.3 13.4 MEAN -0.9 1.5 7.0 13.8 18.5 24.1 26.5 27.2 22.3 15.6 6.8 1.6 13.7 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 26 STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 MET. AVERAGE OF DEW POINT TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1992 ****** ****** ****** ****** 8.2 12.5 18.4 ****** 8.0 5.6 2.6 -0.7 ****** 1993 -5.8 -3.5 -2.6 4.7 9.2 11.7 13.6 13.3 9.4 4.8 1.4 -1.9 4.5 1994 0.2 0.7 1.9 5.0 7.9 9.7 12.8 12.5 8.0 8.2 4.6 -2.1 5.8 1995 0.3 -0.6 -0.6 3.8 7.6 10.4 13.7 13.0 9.6 2.8 -3.0 -4.3 4.4 1996 -2.7 -0.5 0.1 2.6 9.8 9.2 16.0 10.7 5.7 4.5 0.9 -1.1 4.6 1997 -4.1 -5.3 -2.7 -0.5 7.5 11.6 13.1 12.0 7.3 6.3 2.4 -0.6 3.9 1998 -9.4 -7.1 -1.6 3.8 7.7 10.3 11.9 11.4 8.3 3.0 1.7 -2.0 3.2 1999 -3.4 -4.4 -3.4 1.0 3.6 11.0 12.5 9.6 7.8 2.0 0.5 -1.7 2.9 2000 -5.1 -6.3 -2.5 2.8 5.2 8.2 9.8 10.6 9.8 5.2 1.6 -1.4 3.2 2001 -5.3 -4.4 -0.6 3.0 6.4 ****** ****** 15.2 11.3 6.9 0.5 -0.1 ****** 2002 -5.3 -3.8 -1.5 3.9 6.2 8.2 11.7 11.8 8.1 6.2 2.2 -3.9 3.7 2003 -2.7 -3.2 -0.6 3.5 5.6 8.8 13.2 12.8 9.3 6.0 0.2 -2.7 4.2 MEAN -3.9 -3.5 -1.3 3.1 7.1 10.1 13.4 12.1 8.5 5.1 1.3 -1.9 4.2 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 27 STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 MET. AVERAGE OF MIXING RATIO IN G/KG YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1992 ****** ****** ****** ****** 8.13 10.73 15.93 ****** 8.10 6.96 5.59 4.34 ****** 1993 3.05 3.58 3.83 6.43 8.65 10.28 11.60 11.49 8.87 6.45 5.12 3.93 6.94 1994 4.65 4.90 5.25 6.55 7.89 8.92 10.93 10.67 8.00 8.09 6.35 3.97 7.18 1995 4.68 4.38 4.40 6.06 7.76 9.31 11.54 11.12 8.94 5.54 3.85 3.36 6.74 1996 3.79 4.48 4.60 5.56 8.96 9.02 14.10 9.85 6.88 6.35 4.88 4.21 6.89 1997 3.43 3.17 3.74 4.50 7.71 10.35 11.29 10.61 7.54 7.07 5.38 4.39 6.60 1998 2.45 2.72 4.14 6.06 7.87 9.32 10.52 9.98 8.12 5.66 5.21 3.94 6.33 1999 3.62 3.31 3.56 4.93 5.88 9.74 10.83 9.02 7.87 5.26 4.69 4.07 6.06 2000 3.19 2.95 3.92 5.63 6.62 8.10 9.00 9.49 8.98 6.59 5.15 4.09 6.14 2001 3.17 3.35 4.42 5.68 7.16 ****** ****** 13.05 10.02 7.55 4.93 4.54 ****** 2002 3.17 3.48 4.13 6.04 6.99 8.18 10.23 10.33 8.20 7.04 5.39 3.53 6.39 2003 3.78 3.61 4.39 5.89 6.87 8.37 11.18 10.91 8.61 6.98 4.70 3.88 6.60 MEAN 3.54 3.63 4.22 5.76 7.54 9.30 11.56 10.59 8.35 6.63 5.10 4.02 6.69 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 28 STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 MET. AVERAGE OF VAPOUR PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1992 ****** ****** ****** ****** 11.13 14.69 21.67 ****** 11.13 9.56 7.66 5.94 ****** 1993 4.17 4.90 5.25 8.82 11.85 14.10 15.89 15.72 12.18 8.85 7.00 5.37 9.51 1994 6.35 6.70 7.20 8.99 10.83 12.26 14.99 14.64 10.99 11.07 8.68 5.43 9.84 1995 6.40 5.99 6.05 8.32 10.65 12.77 15.82 15.25 12.27 7.62 5.28 4.60 9.25 1996 5.18 6.13 6.30 7.63 12.28 12.37 19.21 13.52 9.48 8.72 6.68 5.76 9.44 1997 4.69 4.33 5.13 6.19 10.59 14.20 15.47 14.56 10.37 9.72 7.37 6.00 9.05 1998 3.35 3.72 5.68 8.32 10.81 12.82 14.43 13.71 11.17 7.79 7.14 5.40 8.70 1999 4.95 4.54 4.89 6.77 8.11 13.39 14.84 12.42 10.82 7.25 6.44 5.57 8.33 2000 4.36 4.03 5.38 7.74 9.11 11.15 12.39 13.05 12.33 9.03 7.05 5.60 8.44 2001 4.34 4.59 6.08 7.81 9.85 ****** ****** 17.83 13.74 10.35 6.75 6.22 ****** 2002 4.33 4.78 5.68 8.29 9.61 11.25 14.04 14.18 11.29 9.68 7.38 4.82 8.78 2003 5.17 4.94 6.02 8.09 9.44 11.50 15.32 14.97 11.83 9.60 6.45 5.30 9.05 MEAN 4.85 4.97 5.79 7.91 10.36 12.77 15.83 14.53 11.47 9.10 6.99 5.50 9.17 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 29 STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 MET. AVERAGE OF SATURATION DEFICIT PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1992 ****** ****** ****** ****** 5.80 13.24 15.80 ****** 14.99 9.40 3.97 1.03 ****** 1993 0.82 1.86 3.90 7.06 8.55 16.90 19.96 18.78 16.98 8.05 0.96 0.30 8.68 1994 0.17 0.17 3.91 8.46 11.32 17.74 18.27 18.72 14.33 6.00 2.44 1.19 8.56 1995 0.74 2.17 5.72 7.76 11.20 15.26 19.46 24.41 17.00 9.28 5.94 2.11 10.09 1996 0.92 1.86 2.87 6.83 11.81 18.03 17.90 24.67 21.33 8.80 3.46 3.05 10.13 1997 1.77 1.71 3.44 11.05 12.58 19.75 21.54 26.19 16.41 10.76 2.39 1.44 10.75 1998 0.42 1.07 4.45 9.07 12.27 23.23 22.62 24.92 18.19 10.65 5.90 3.69 11.37 1999 1.90 4.85 6.44 10.17 18.85 22.00 19.97 30.53 17.60 13.67 3.61 1.41 12.58 2000 2.18 2.81 5.35 11.45 16.72 22.34 27.33 25.89 16.97 6.88 2.52 1.60 11.84 2001 1.71 3.29 8.12 12.13 14.26 ****** ****** 20.47 15.81 8.04 3.11 2.34 ****** 2002 1.59 3.37 6.85 6.61 12.84 21.24 22.52 22.63 21.56 13.28 3.54 1.03 11.42 2003 1.40 2.30 3.44 7.96 11.21 17.14 19.35 21.42 16.05 12.68 4.07 1.24 9.86 MEAN 1.24 2.31 4.95 8.96 12.28 18.81 20.43 23.51 17.27 9.79 3.49 1.70 10.40 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 30 STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 MET. AVERAGE OF RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1992 *** *** *** *** 70 57 62 *** 48 54 70 88 *** 1993 87 76 62 61 63 50 48 50 46 57 90 95 65 1994 97 97 71 57 54 46 48 49 48 69 81 86 67 1995 91 76 57 57 54 51 49 43 47 51 52 72 58 1996 88 81 73 59 57 45 55 40 36 54 70 69 61 1997 77 78 68 42 51 46 47 41 44 51 77 83 59 1998 87 80 62 53 52 39 42 41 44 48 61 65 56 1999 74 53 49 47 36 41 47 33 44 41 70 82 51 2000 70 63 56 45 40 38 35 38 47 62 75 80 54 2001 73 62 49 44 46 *** *** 50 51 61 74 75 *** 2002 77 63 50 60 49 38 42 43 38 47 70 82 55 2003 79 71 67 57 50 44 48 45 48 46 65 82 59 MEAN 82 73 60 53 52 45 48 43 45 53 71 80 59 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 31 STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 MET. AVERAGE OF MAXIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1992 *** *** *** *** 85 73 77 *** 68 67 80 95 *** 1993 95 91 77 76 80 68 64 67 61 70 96 98 79 1994 99 99 85 74 72 64 65 69 63 83 91 93 80 1995 97 88 75 76 75 71 67 63 62 68 73 90 75 1996 94 93 90 78 77 62 70 56 53 70 82 81 76 1997 87 90 86 64 68 61 65 57 60 65 89 92 74 1998 92 88 78 74 74 57 58 59 62 64 74 79 72 1999 87 74 71 70 54 55 66 49 65 55 86 91 69 2000 82 80 75 66 61 55 49 55 65 77 90 89 70 2001 85 78 67 63 62 *** *** 64 66 75 85 85 *** 2002 85 79 63 77 70 51 57 59 53 60 83 89 69 2003 85 83 80 75 69 63 63 62 63 58 78 91 73 MEAN 90 86 77 72 71 62 64 60 62 68 84 89 74 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 32 STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 MET. AVERAGE OF MINIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1992 *** *** *** *** 58 45 50 *** 35 43 60 79 *** 1993 78 63 50 49 50 37 36 37 35 45 83 91 55 1994 95 95 58 43 41 34 37 35 35 58 72 79 57 1995 83 65 42 41 38 37 36 29 37 39 35 55 45 1996 81 71 58 43 43 32 42 29 24 42 59 57 48 1997 69 66 54 27 39 34 34 29 33 42 66 73 47 1998 82 72 49 38 36 27 31 27 31 36 49 54 44 1999 59 39 34 31 24 31 34 21 30 31 57 73 39 2000 59 50 42 30 26 27 25 27 34 49 64 72 42 2001 60 50 34 30 33 *** *** 40 39 49 63 66 *** 2002 70 51 40 48 35 29 31 32 27 37 60 75 45 2003 74 61 56 45 35 32 37 34 37 37 52 72 48 MEAN 74 62 47 39 38 33 36 31 33 42 60 71 47 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 33 STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 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 1992 *** *** *** *** 6 0 0 *** 0 0 1 0 *** 1993 0 3 4 4 3 2 2 0 0 1 6 4 29 1994 4 2 3 4 3 1 0 0 0 2 5 1 25 1995 0 1 0 3 3 2 0 0 0 0 0 0 9 1996 1 3 4 4 1 0 1 0 0 4 0 1 19 1997 1 0 2 1 3 0 1 0 0 1 3 2 14 1998 4 2 2 3 5 0 0 0 0 1 1 0 18 1999 1 0 2 3 0 0 0 0 0 2 1 2 11 2000 1 1 3 1 1 0 0 0 1 0 1 2 11 2001 2 1 1 2 1 0 0 0 0 1 3 2 13 2002 0 0 1 4 1 0 1 0 0 1 4 7 19 2003 2 3 3 6 2 1 0 0 0 0 2 3 22 MEAN 1 1 2 3 2 1 0 0 0 1 2 2 15 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 34 STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 MET. HIGHEST AND LOWEST LIMITS FOR 12 YEARS DURING 1992-2003 ELE- JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MENT --------------------------------------------------------------------------------------------- NO. HIG. DRY 03 7.8 9.6 13.4 20.2 25.8 24.4 27.2 28.2 22.0 21.2 16.0 11.2 1 YEAR - DAY 2002- 3 1996- 9 2001-30 2003- 6 1999-31 2000- 4 1996-19 1993- 3 2003- 5 2002- 4 1998-16 1998-11 LOW. DRY 03 -21.4 -15.0 -10.0 -4.2 0.8 9.8 13.5 13.2 5.5 1.8 -13.2 -12.2 2 YEAR - DAY 1998-17 1997- 2 1997- 9 1997-12 1992- 5 2000-13 1992-12 1993-29 1992-29 1993- 8 2001-21 1995-20 HIG. WET 03 5.2 9.6 9.0 12.0 15.0 18.8 22.0 20.0 16.2 13.4 10.0 7.2 3 YEAR - DAY 2002- 3 1996- 9 1998-29 1997-28 1997-31 1995-10 1996-25 1995- 6 1999- 4 2003-18 1992- 7 2001-30 LOW. WET 03 -21.4 -15.0 -10.0 -4.2 0.6 5.4 9.2 10.2 4.6 0.0 -13.4 -12.2 4 YEAR - DAY 1998-17 1997- 2 1997- 9 1997-12 1992- 5 2000-14 1996-15 1999- 5 1999-29 1996-29 2001-21 1995-20 HIG. DRY 09 13.2 16.8 23.8 29.2 36.0 35.2 37.8 38.8 37.4 31.4 21.0 16.8 5 YEAR - DAY 2002- 2 1996- 9 2001-29 1997-26 1999-31 1998-23 1992-31 1998-30 1998- 1 2002- 1 2002-11 1998-11 LOW. DRY 09 -13.4 -5.4 -2.2 3.4 5.5 15.2 20.0 24.0 14.6 9.0 -9.4 -6.0 6 YEAR - DAY 1998-18 1998- 2 1997- 8 2003-28 1992- 1 1992- 2 1999-14 1994- 6 1997-14 1999-26 2001-20 2003-15 HIG. WET 09 8.8 15.0 13.6 18.8 20.0 24.2 31.2 30.0 25.8 19.0 13.7 9.8 7 YEAR - DAY 2003- 7 1996- 9 2001-28 1998-27 2001-15 1997-12 1997-14 1995- 2 1996-11 1992- 7 1994-22 1998-10 LOW. WET 09 -13.8 -5.9 -3.2 0.2 4.0 9.8 14.0 15.6 10.5 5.0 -9.8 -6.2 8 YEAR - DAY 1998-18 1993-16 1997- 8 1997-11 1992- 1 2000-13 1999-14 1996- 3 1992-28 1996-29 2001-20 2003-15 HIG. DRY 15 11.8 11.8 20.0 29.2 31.8 35.0 37.0 38.0 35.8 27.6 17.2 19.2 9 YEAR - DAY 2002- 3 2002-26 2001-29 1997-26 1999-30 1993-27 1992-22 1995- 7 1998- 1 2002- 2 1998- 9 1998-10 LOW. DRY 15 -18.4 -9.6 -4.8 2.8 5.0 14.5 17.6 19.4 13.0 6.6 -10.2 -7.2 10 YEAR - DAY 1998-10 1998-15 1997- 7 1996- 3 1992- 2 1994-28 1999-15 1993-28 1995-29 2001-26 2001-20 1994- 6 HIG. WET 15 7.2 9.2 11.2 21.8 20.0 26.2 29.1 29.2 23.0 21.2 11.1 9.0 11 YEAR - DAY 2002- 3 1994-27 1998-28 1993-18 1992-28 1996-21 1992-25 1993- 9 1995- 8 1992- 2 1994-22 1998-10 LOW. WET 15 -18.6 -10.2 -4.8 -1.0 2.8 9.6 12.4 14.2 9.0 4.6 -10.4 -7.7 12 YEAR - DAY 1998-10 1998-15 1997- 7 1997-10 1992- 1 2000-12 2003- 6 1996- 3 1992-29 1995-17 2001-20 2003-30 HIG. MIN. 7.2 7.0 12.4 18.4 19.0 23.8 24.8 25.0 20.4 20.0 11.5 9.8 13 YEAR - DAY 2002- 3 2002-12 2002-27 1993-20 1997-31 1995-29 2001-27 1996- 1 1996- 8 2002- 4 1992-12 1998-11 LOW. MIN. -23.0 -15.4 -10.2 -4.2 -6.0 5.0 5.5 12.4 2.6 0.8 -15.8 -12.8 14 YEAR - DAY 1998-11 1997- 2 1997- 9 1997-12 1992- 5 1992- 5 1992-12 1993-29 1997-14 1995-18 2001-20 1995-20 HIG. MAX. 14.2 17.2 25.5 31.5 36.4 40.0 41.0 41.0 40.0 32.0 22.6 20.2 15 YEAR - DAY 2002- 2 1996- 9 2001-29 2001-19 1999-31 2000-30 1997-29 1995- 5 1998- 1 2002- 1 1995- 7 1998-10 LOW. MAX. -11.4 -5.2 -1.2 5.5 7.5 18.9 23.4 26.6 18.0 10.0 -6.6 -4.0 16 YEAR - DAY 1998-11 1998- 2 1998- 1 1996- 3 1992- 2 1994-28 1999-14 1993-23 1997-14 2001-26 2001-20 2002-15 HIG. PPTN 20.3 13.7 30.4 24.4 37.4 37.5 19.2 4.0 7.4 20.4 44.0 25.0 17 YEAR - DAY 1998- 6 2003-14 2000-24 1993-25 2003-29 1995- 3 1996- 5 1998-10 2000-30 1996-14 1993- 2 1993- 8 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 35 STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 MET. HIGHEST LIMITS OF ABSOLUTE DIFFERENCES FOR 12 YEARS DURING 1992-2003 ELE- JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MENT --------------------------------------------------------------------------------------------- NO. DRY 09 - DRY 03 13.4 22.0 17.4 18.6 17.8 16.8 16.2 18.4 17.6 17.2 15.0 15.6 18 YEAR - DAY 1996-16 1993-27 2001-19 2003-25 2002-26 1998- 4 1999-31 1997-26 2002-16 1994-13 1998- 3 1995-22 DRY 15 - DRY 09 10.6 8.4 10.6 10.4 12.0 11.4 15.8 10.0 11.0 14.5 10.8 7.6 19 YEAR - DAY 1998-10 1996-26 2000-14 1993-20 1998-19 2003-18 1996- 5 1993-28 1995-20 1992- 7 1995-10 2003-30 DRY 15 - DRY 03 11.6 21.1 18.6 17.8 16.4 17.4 16.3 17.6 16.6 14.9 13.2 15.6 20 YEAR - DAY 1995-25 1993-27 2001- 1 1997-14 1999- 5 2000-22 1992-30 1993- 8 1994-19 1992- 6 1995-12 1995-22 WET 09 - WET 03 13.2 18.5 13.8 11.0 10.0 9.8 14.0 13.4 15.2 13.4 15.4 15.2 21 YEAR - DAY 1996-16 1993-27 2001-12 1998-24 2001-19 1993- 4 1997-14 1993- 2 1996-11 1994-13 2001-22 1995-22 WET 15 - WET 09 10.8 8.2 6.6 9.2 7.2 10.2 11.6 9.2 9.6 13.5 7.2 8.1 22 YEAR - DAY 1998-10 2003-17 1993-25 1998-24 2001- 3 1996-21 1996-26 1993- 9 1996-11 1992- 7 1995-10 2003-30 WET 15 - WET 03 11.0 16.4 11.6 14.8 11.8 13.0 10.0 16.8 11.7 13.2 13.8 16.8 23 YEAR - DAY 1997-30 1993-27 2000-17 1993-18 1997- 7 1996-21 1992-17 1996-27 1994-16 1992- 2 2001-22 1995-22 DAY BY DAY DRY 03 13.8 15.0 11.4 14.8 8.4 7.2 5.8 10.4 10.8 9.0 15.8 12.0 24 YEAR - DAY 1998-10 1993-28 2000-29 1993-21 2000- 5 2002- 7 1998- 7 1993- 4 1993-25 1992-10 2001-19 2001-21 DAY BY DAY WET 03 14.0 13.8 8.8 8.4 5.8 6.6 5.6 6.0 7.0 7.8 12.4 11.0 25 YEAR - DAY 1998-10 1993-28 2003- 4 1993-21 1997- 4 1997-17 1992- 8 1998- 9 1999- 4 1996-30 2001-19 1994-28 DAY BY DAY DRY 09 9.8 11.6 12.5 13.8 13.8 13.5 8.8 13.2 10.0 13.2 16.6 11.2 26 YEAR - DAY 2000-28 1994-28 1993-26 1996- 3 1999-20 1995-22 1999- 2 1996- 1 1993- 4 2001-26 2001-22 1996-14 DAY BY DAY WET 09 8.4 11.8 10.3 10.2 7.4 8.8 11.2 12.6 9.6 10.0 14.8 9.0 27 YEAR - DAY 1998- 9 1994-28 1993-26 1998-27 2003- 7 1997-16 1997-14 1993- 3 1996-11 1992- 7 2001-22 1996-14 DAY BY DAY DRY 15 11.2 13.2 11.8 11.4 16.2 15.9 13.8 13.5 12.2 13.4 13.4 11.2 28 YEAR - DAY 1998- 7 1998-15 1997- 7 2003- 9 1999-20 1994- 4 1996- 5 1995- 8 1993- 8 2001-26 2001-22 2002-20 DAY BY DAY WET 15 11.2 13.0 7.8 8.8 7.2 10.6 11.8 11.0 6.6 8.6 12.0 9.4 29 YEAR - DAY 1998- 7 1996- 2 2000-14 1993-18 1999-20 1997-16 1996-27 2001- 7 2001- 7 2001-26 2001-22 2003-11 DAY BY DAY MIN. 14.0 15.0 12.6 15.8 10.2 9.3 8.6 8.8 11.4 8.5 12.8 10.0 30 YEAR - DAY 2002- 5 1993-28 1995-25 1993-21 1997- 5 1995-30 1998-11 1993-29 1997-14 1994-14 1995-25 1998-12 DAY BY DAY MAX. 10.0 11.2 12.8 14.0 10.8 13.8 8.4 8.4 10.3 13.4 15.6 10.3 31 YEAR - DAY 2000-28 1994-28 1996- 2 1996- 3 1999-20 1994- 4 2000- 3 1993-25 1993-15 2001-26 2001-22 2003-18 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 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.***** ***** ***** ***** 11.0 18.4 23.9 ***** 18.5 14.8 7.9 1.6 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** 3.4 8.6 13.6 ***** 9.4 6.5 2.0 -1.8 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** 18.6 28.2 34.2 ***** 27.6 23.1 13.9 5.0 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** ***** ***** 15.2 19.6 20.6 ***** 18.2 16.6 11.9 6.8 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** ***** ***** 7.45 9.42 12.97 ***** 7.31 5.18 4.64 3.92 ***** MEAN OF MIXING RATIO AT 09 GMT. ***** ***** ***** ***** 8.71 11.36 17.85 ***** 8.96 8.02 6.41 4.57 ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** ***** ***** 8.23 11.40 16.95 ***** 8.04 7.64 5.72 4.53 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** -6.0 5.0 5.5 ***** 5.0 2.0 -8.0 -10.2 ****** DAY ** ** ** ** 5 5 12 ** 1 8 28 29 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** 28.5 36.5 39.5 ***** 32.2 26.5 20.0 13.5 ****** DAY ** ** ** ** 29 30 23 ** 2 10 6 15 24 HOUR MAXIMUM PRECIPITATION IN MM. ***** ***** ***** ***** 10.4 4.5 0.0 ***** 0.0 0.0 7.0 2.0 ****** DAY ** ** ** ** 13 6 ** ** ** ** 25 2 MONTHLY TOTAL PRECIPITATION IN MM. ***** ***** ***** ***** 62.0 13.1 0.0 ***** 0.0 0.0 10.8 4.0 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION ***** 83.5 0.0 16.5 NO. OF DAYS WITH PRECIPITATION. *** *** *** *** 10 7 0 *** 0 0 2 2 *** NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** 10 5 0 *** 0 0 2 2 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** 1 0 0 *** 0 0 0 0 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** *** *** 84 72 77 *** 68 67 78 92 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** *** *** *** 63 47 54 *** 37 45 63 81 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** *** *** 64 51 54 *** 39 51 68 89 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** 1 0 0 *** 0 0 3 10 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** 0 0 0 *** 0 0 0 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** 0 0 0 *** 0 0 0 1 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** 0 7 27 *** 5 0 0 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** 0 0 0 *** 0 0 0 0 *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** 0 0 0 *** 0 0 0 0 *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. *** *** *** *** 4 0 0 *** 0 0 9 19 *** DATE OF START AND END FREEZING START = 18 NOV. END = 5 MAY IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 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. -3.9 0.4 4.4 12.2 16.3 21.9 25.2 25.0 22.1 13.6 3.1 -1.1 11.6 AVERAGE OF MINIMUM TEMPERATURE IN C. -8.0 -4.5 -1.2 5.8 10.0 13.9 17.7 17.3 13.6 6.3 0.4 -3.1 5.7 AVERAGE OF MAXIMUM TEMPERATURE IN C. 0.1 5.3 10.1 18.6 22.6 29.9 32.8 32.6 30.5 21.0 5.7 0.8 17.5 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.1 9.8 11.3 12.8 12.6 16.0 15.1 15.3 16.9 14.7 5.3 3.9 11.8 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.65 3.19 3.35 5.30 8.00 9.43 10.62 9.94 7.31 5.12 4.63 3.60 6.10 MEAN OF MIXING RATIO AT 09 GMT. 3.29 3.99 4.60 6.90 8.92 11.00 12.99 12.99 10.25 7.47 5.39 4.12 7.66 MEAN OF MIXING RATIO AT 15 GMT. 3.21 3.56 3.54 7.08 9.03 10.42 11.19 11.53 9.05 6.76 5.33 4.06 7.06 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -17.0 -12.5 -6.8 0.5 2.7 9.6 14.2 12.4 9.0 1.4 -9.5 -8.6 -17.0 DAY 18 16 23 24 9 23 19 29 25 8 15 6 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 10.0 14.5 21.0 29.6 28.0 37.0 38.0 39.2 37.0 30.5 16.2 8.0 39.2 DAY 29 27 31 19 19 27 16 14 1 1 8 28 24 HOUR MAXIMUM PRECIPITATION IN MM. 2.5 6.2 13.5 24.4 15.8 11.5 9.0 3.8 0.0 7.5 44.0 25.0 44.0 DAY 17 3 8 25 3 1 27 28 ** 28 2 8 MONTHLY TOTAL PRECIPITATION IN MM. 11.0 20.7 43.6 52.4 45.8 22.9 21.4 3.8 0.0 9.1 115.3 57.0 403.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 18.7 30.0 6.3 45.0 NO. OF DAYS WITH PRECIPITATION. 6 4 8 9 9 5 4 1 0 3 11 15 75 NO. OF DAYS PRECIPITATION EQUAL 6 4 8 7 8 4 4 1 0 1 10 6 59 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 1 1 1 1 0 0 0 0 4 2 10 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 93 90 76 72 78 67 64 64 60 68 92 95 77 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 78 70 60 53 52 42 41 43 40 48 86 93 59 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 90 69 51 58 58 42 40 41 39 54 91 96 61 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 20 19 5 0 0 0 0 0 0 0 5 9 58 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 5 1 0 0 0 0 6 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 12 5 0 0 0 0 0 0 0 0 2 11 30 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 17 26 25 16 1 0 0 85 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 30 25 20 0 0 0 0 0 0 0 12 31 118 DATE OF START AND END FREEZING START = 13 NOV. END = 26 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 MET. MEAN AND EXTREMES FOR THE YEAR 1994 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 0.6 1.4 7.4 13.6 16.8 21.3 23.9 24.3 19.0 13.9 7.9 0.4 12.5 AVERAGE OF MINIMUM TEMPERATURE IN C. -2.8 -2.9 2.1 7.1 9.5 13.2 15.8 16.2 11.0 7.1 3.1 -3.7 6.3 AVERAGE OF MAXIMUM TEMPERATURE IN C. 3.9 5.7 12.7 20.1 24.1 29.4 32.0 32.3 27.1 20.6 12.7 4.5 18.8 DIFFERENCE BETWEEN AVERAGE MAXIMUM 6.7 8.6 10.6 13.0 14.6 16.2 16.2 16.1 16.1 13.5 9.6 8.2 12.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.87 3.87 4.57 5.86 7.34 8.72 10.32 10.55 6.83 6.94 5.40 3.41 6.47 MEAN OF MIXING RATIO AT 09 GMT. 5.25 5.77 5.59 6.98 8.46 9.14 11.98 11.40 9.12 9.01 7.00 4.49 7.85 MEAN OF MIXING RATIO AT 15 GMT. 4.84 5.16 5.60 6.96 7.87 8.91 10.49 10.06 8.06 8.31 6.56 4.00 7.23 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -9.6 -9.5 -3.0 -1.2 3.7 8.0 8.7 13.7 5.2 2.5 -2.6 -11.5 -11.5 DAY 24 20 2 5 7 30 2 26 20 13 10 7 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 10.0 14.2 21.8 28.0 30.7 35.5 39.0 37.3 33.5 24.0 19.6 12.5 39.0 DAY 3 27 31 21 31 10 19 18 12 13 3 2 24 HOUR MAXIMUM PRECIPITATION IN MM. 17.6 13.5 8.4 20.0 10.2 6.4 0.0 0.0 0.8 16.1 43.5 8.1 43.5 DAY 4 28 8 30 4 22 ** ** 9 2 6 30 MONTHLY TOTAL PRECIPITATION IN MM. 52.4 27.5 39.1 58.2 24.8 6.4 0.0 0.0 0.8 26.1 91.1 9.5 335.9 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 35.4 26.6 0.2 37.7 NO. OF DAYS WITH PRECIPITATION. 10 6 11 11 4 1 0 0 1 4 7 2 57 NO. OF DAYS PRECIPITATION EQUAL 7 6 9 9 4 1 0 0 0 4 7 2 49 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 1 0 2 1 0 0 0 0 1 3 0 9 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 97 96 83 71 70 63 65 69 63 83 88 88 78 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 98 99 62 49 45 36 40 38 39 59 74 83 60 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 97 97 66 53 47 40 40 38 41 64 81 86 63 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 12 13 0 0 0 0 0 0 0 0 0 17 42 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 4 2 0 0 0 0 0 0 0 0 0 4 10 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 3 15 21 27 3 0 0 0 69 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 26 21 9 1 0 0 0 0 0 0 7 26 90 DATE OF START AND END FREEZING START = 7 NOV. END = 5 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 MET. MEAN AND EXTREMES FOR THE YEAR 1995 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 1.5 3.6 7.9 12.6 16.9 20.8 25.4 27.3 22.0 13.8 7.9 1.0 13.4 AVERAGE OF MINIMUM TEMPERATURE IN C. -2.8 -1.6 1.1 6.3 9.8 13.6 17.8 18.7 13.7 6.4 0.8 -5.3 6.5 AVERAGE OF MAXIMUM TEMPERATURE IN C. 5.8 8.9 14.7 18.9 24.1 28.3 33.0 35.9 30.2 21.1 15.1 7.2 20.3 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.6 10.5 13.6 12.6 14.3 14.7 15.2 17.2 16.5 14.7 14.3 12.5 13.7 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.91 3.67 3.85 5.69 7.64 9.49 11.30 10.76 7.58 5.10 3.73 2.95 6.31 MEAN OF MIXING RATIO AT 09 GMT. 5.21 4.90 4.66 5.99 7.99 9.27 12.16 12.19 10.00 5.99 4.11 3.55 7.17 MEAN OF MIXING RATIO AT 15 GMT. 4.93 4.56 4.70 6.42 7.66 9.16 11.16 10.41 9.23 5.53 3.70 3.59 6.75 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -6.6 -6.0 -3.2 0.5 3.8 9.3 14.7 15.4 5.8 0.8 -7.8 -12.8 -12.8 DAY 25 25 1 6 9 2 6 24 22 18 28 20 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 11.8 14.5 21.7 24.2 29.5 35.7 39.5 41.0 36.7 31.6 22.6 11.2 41.0 DAY 29 22 24 3 19 29 25 5 3 3 7 29 24 HOUR MAXIMUM PRECIPITATION IN MM. 4.5 11.5 4.3 11.5 15.3 37.5 2.7 0.0 4.5 1.2 1.6 0.0 37.5 DAY 16 5 17 24 5 3 5 ** 29 24 2 ** MONTHLY TOTAL PRECIPITATION IN MM. 8.5 18.5 10.4 41.4 39.2 75.8 2.7 0.0 6.3 1.2 2.3 0.0 206.3 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 18.1 75.8 4.4 1.7 NO. OF DAYS WITH PRECIPITATION. 4 4 3 8 6 6 1 0 3 1 2 0 38 NO. OF DAYS PRECIPITATION EQUAL 2 4 3 8 5 6 1 0 2 1 1 0 33 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 1 0 1 2 2 0 0 0 0 0 0 6 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 96 84 73 72 70 69 67 63 62 67 70 85 73 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 85 70 46 46 42 39 39 34 38 40 40 59 48 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 92 73 51 53 49 45 40 34 42 45 46 71 53 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 9 9 0 0 0 0 0 0 0 0 8 23 49 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 3 5 0 0 0 0 9 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 2 0 0 0 0 0 0 0 0 0 0 0 2 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 7 27 31 18 1 0 0 84 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 2 0 0 0 0 2 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 31 18 16 0 0 0 0 0 0 0 13 30 108 DATE OF START AND END FREEZING START = 11 NOV. END = 29 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 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. -0.4 3.1 4.9 11.4 18.8 22.2 26.0 26.3 22.6 14.5 6.7 4.7 13.4 AVERAGE OF MINIMUM TEMPERATURE IN C. -4.7 -1.5 0.3 5.9 11.6 14.5 18.6 18.0 14.4 8.2 1.2 0.1 7.2 AVERAGE OF MAXIMUM TEMPERATURE IN C. 3.8 7.7 9.5 16.9 26.0 29.9 33.5 34.5 30.8 20.8 12.3 9.5 19.6 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.5 9.2 9.2 11.0 14.4 15.4 14.9 16.5 16.4 12.6 11.1 9.4 12.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.19 4.11 4.15 5.68 8.82 8.60 12.26 8.92 6.37 5.57 4.08 3.62 6.28 MEAN OF MIXING RATIO AT 09 GMT. 4.36 4.79 4.91 5.41 9.09 9.03 15.32 10.46 7.94 6.96 5.42 4.55 7.35 MEAN OF MIXING RATIO AT 15 GMT. 3.82 4.54 4.74 5.59 8.96 9.41 14.72 10.17 6.33 6.51 5.13 4.44 7.03 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -12.0 -7.8 -5.8 -1.6 7.4 9.8 11.2 15.0 9.6 2.0 -4.8 -4.2 -12.0 DAY 15 6 1 6 2 12 15 30 21 28 13 1 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 12.4 17.2 19.6 23.0 31.8 36.0 38.0 39.6 35.2 27.8 17.4 16.0 39.6 DAY 1 9 30 29 31 29 18 21 15 3 3 28 24 HOUR MAXIMUM PRECIPITATION IN MM. 10.0 9.5 14.3 12.8 5.2 1.2 19.2 0.0 1.9 20.4 3.5 5.8 20.4 DAY 29 12 7 13 11 15 5 ** 22 14 11 14 MONTHLY TOTAL PRECIPITATION IN MM. 24.2 31.6 52.7 57.5 13.3 1.2 22.7 0.0 1.9 49.6 9.9 10.1 274.7 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 39.5 26.2 9.0 25.3 NO. OF DAYS WITH PRECIPITATION. 5 8 11 11 4 1 2 0 1 4 5 3 55 NO. OF DAYS PRECIPITATION EQUAL 5 8 11 10 4 1 2 0 1 4 4 2 52 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 0 1 2 0 0 1 0 0 2 0 0 7 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 90 92 84 77 76 61 69 54 52 68 81 75 73 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 87 72 67 46 45 35 45 31 29 45 60 61 52 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 87 79 69 53 51 39 50 36 27 50 68 70 57 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 16 8 3 0 0 0 0 0 0 0 2 2 31 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 8 2 0 0 0 0 11 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 6 3 2 0 0 0 0 0 0 0 0 0 11 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 7 17 25 27 23 0 0 0 99 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 27 22 14 3 0 0 0 0 0 0 13 18 97 DATE OF START AND END FREEZING START = 12 NOV. END = 6 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 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. 1.5 -1.1 3.4 12.7 17.8 23.9 25.9 27.5 20.3 16.3 6.2 2.2 13.0 AVERAGE OF MINIMUM TEMPERATURE IN C. -4.9 -7.0 -1.7 5.5 10.7 15.9 18.2 19.0 12.0 9.0 1.3 -2.5 6.3 AVERAGE OF MAXIMUM TEMPERATURE IN C. 6.5 4.7 8.6 19.8 24.9 31.9 33.5 36.0 28.6 23.6 11.2 6.9 19.7 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.4 11.7 10.3 14.3 14.2 16.0 15.3 17.0 16.6 14.6 9.9 9.4 13.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.90 2.58 3.66 4.57 7.17 9.50 11.11 9.97 6.74 6.03 4.66 3.82 6.06 MEAN OF MIXING RATIO AT 09 GMT. 3.88 3.48 3.74 4.61 7.97 10.65 11.89 11.01 8.11 7.94 5.82 4.78 6.99 MEAN OF MIXING RATIO AT 15 GMT. 3.49 3.45 3.83 4.33 8.00 10.92 10.88 10.83 7.77 7.26 5.67 4.56 6.75 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -18.2 -15.4 -10.2 -4.2 4.0 12.2 13.6 15.0 2.6 4.8 -3.0 -9.0 -18.2 DAY 29 2 9 12 6 1 6 22 14 25 28 21 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 13.4 12.8 17.4 30.8 32.2 36.2 41.0 40.6 34.4 28.4 15.8 14.2 41.0 DAY 6 20 31 26 27 26 29 14 1 6 3 8 24 HOUR MAXIMUM PRECIPITATION IN MM. 7.7 2.7 6.5 8.6 8.0 0.8 7.2 0.0 0.0 8.6 10.2 8.5 10.2 DAY 28 26 7 5 17 18 4 ** ** 21 12 1 MONTHLY TOTAL PRECIPITATION IN MM. 20.5 4.7 16.3 10.6 33.9 1.2 12.2 0.0 0.0 11.2 37.6 24.1 172.3 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 24.1 26.5 7.1 42.3 NO. OF DAYS WITH PRECIPITATION. 5 2 4 2 10 2 3 0 0 2 7 6 43 NO. OF DAYS PRECIPITATION EQUAL 5 2 4 2 8 0 2 0 0 2 7 4 36 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 0 0 0 0 0 0 0 0 1 0 1 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 85 86 84 63 66 61 64 57 59 64 86 90 72 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 71 69 57 31 41 36 38 31 34 43 69 76 50 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 76 77 63 33 47 41 40 35 38 48 76 82 55 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 18 17 9 1 0 0 0 0 0 0 0 12 57 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 3 5 0 0 0 0 8 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 3 8 3 0 0 0 0 0 0 0 0 1 15 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 3 5 24 26 30 12 0 0 0 100 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 1 3 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. 27 26 18 5 0 0 0 0 0 0 9 23 108 DATE OF START AND END FREEZING START = 9 NOV. END = 14 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 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. -7.6 -4.0 6.0 13.6 17.5 24.5 25.3 26.1 21.4 14.5 10.1 4.9 12.7 AVERAGE OF MINIMUM TEMPERATURE IN C. -12.5 -8.3 1.0 6.8 9.7 16.0 17.2 17.5 12.8 6.1 3.8 -0.3 5.8 AVERAGE OF MAXIMUM TEMPERATURE IN C. -3.0 0.2 10.9 20.4 25.2 33.1 33.4 34.6 30.1 22.9 16.4 10.3 19.6 DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.5 8.5 9.9 13.6 15.5 17.1 16.2 17.1 17.3 16.8 12.6 10.6 13.7 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.06 2.45 3.96 5.93 8.02 9.28 10.22 9.99 7.55 5.05 4.61 3.63 6.06 MEAN OF MIXING RATIO AT 09 GMT. 2.92 3.05 4.31 6.27 7.86 9.32 10.92 10.04 8.71 6.24 5.68 4.34 6.64 MEAN OF MIXING RATIO AT 15 GMT. 2.38 2.66 4.14 5.99 7.74 9.38 10.42 9.92 8.11 5.70 5.33 3.85 6.30 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -23.0 -14.6 -9.6 0.8 3.0 10.0 12.6 13.4 8.6 1.8 -0.4 -4.8 -23.0 DAY 11 16 3 1 3 4 26 7 29 25 26 20 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 5.0 7.8 19.4 28.8 33.2 38.2 36.8 40.4 40.0 30.0 21.6 20.2 40.4 DAY 30 8 28 13 28 24 17 29 1 1 9 10 24 HOUR MAXIMUM PRECIPITATION IN MM. 20.3 8.0 14.5 16.0 11.5 0.0 0.0 4.0 1.2 5.1 5.1 2.5 20.3 DAY 6 19 17 4 13 ** ** 10 13 10 12 27 MONTHLY TOTAL PRECIPITATION IN MM. 54.7 28.2 35.0 37.7 46.9 0.0 0.0 4.0 1.2 5.1 9.3 2.5 224.6 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 52.5 37.7 2.3 7.5 NO. OF DAYS WITH PRECIPITATION. 7 6 5 5 6 0 0 1 1 1 3 1 36 NO. OF DAYS PRECIPITATION EQUAL 7 6 5 5 6 0 0 1 1 1 3 1 36 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 0 2 1 2 0 0 0 0 0 0 0 7 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 86 84 77 73 73 56 58 58 62 64 72 77 70 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 86 75 53 42 37 29 33 29 33 37 52 56 47 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 88 80 56 45 46 34 37 34 37 42 58 61 52 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 28 25 5 0 0 0 0 0 0 0 0 4 62 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 2 3 0 0 0 0 5 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 23 14 1 0 0 0 0 0 0 0 0 0 38 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 4 27 28 30 16 1 0 0 106 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 4 1 0 0 0 5 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 31 28 11 0 0 0 0 0 0 0 1 19 90 DATE OF START AND END FREEZING START = 26 NOV. END = 26 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 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. 1.1 4.9 7.0 13.0 19.6 24.7 24.9 28.5 21.5 16.8 6.5 1.7 14.2 AVERAGE OF MINIMUM TEMPERATURE IN C. -3.5 -1.8 -0.0 5.8 11.2 16.6 17.4 20.5 13.5 9.7 1.3 -1.9 7.4 AVERAGE OF MAXIMUM TEMPERATURE IN C. 5.8 11.5 14.1 20.2 28.0 32.8 32.4 36.5 29.6 24.0 11.6 5.3 21.0 DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.3 13.3 14.1 14.4 16.8 16.2 15.0 16.0 16.1 14.3 10.3 7.2 13.6 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.25 3.02 3.43 5.20 5.81 8.73 10.43 9.07 7.79 4.96 4.41 3.72 5.82 MEAN OF MIXING RATIO AT 09 GMT. 3.75 3.58 3.46 4.83 5.93 10.09 11.21 9.27 8.28 5.61 5.01 4.26 6.27 MEAN OF MIXING RATIO AT 15 GMT. 3.86 3.32 3.78 4.74 5.91 10.41 10.84 8.72 7.53 5.22 4.67 4.23 6.10 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -9.8 -7.6 -5.0 -1.4 2.4 12.4 11.8 16.0 7.4 2.4 -7.0 -7.0 -9.8 DAY 4 22 5 10 21 5 15 30 28 26 30 7 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 11.4 16.0 22.0 28.6 36.4 36.8 38.8 40.0 35.4 31.4 20.4 14.0 40.0 DAY 8 27 31 30 31 24 21 26 3 4 19 30 24 HOUR MAXIMUM PRECIPITATION IN MM. 13.5 4.5 7.0 13.0 3.0 0.0 2.5 1.5 4.6 9.5 10.5 8.0 13.5 DAY 9 4 26 2 15 ** 14 9 26 25 1 10 MONTHLY TOTAL PRECIPITATION IN MM. 28.0 4.5 17.2 25.0 7.6 0.0 5.0 1.5 4.6 15.0 19.0 24.1 151.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 32.8 21.5 7.3 38.3 NO. OF DAYS WITH PRECIPITATION. 5 1 3 3 4 0 2 1 1 2 5 4 31 NO. OF DAYS PRECIPITATION EQUAL 5 1 3 3 4 0 2 1 1 2 4 4 30 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 0 0 1 0 0 0 0 0 0 1 0 3 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 83 70 68 69 52 55 64 49 65 54 85 88 67 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 64 43 36 34 26 32 37 23 33 33 60 76 41 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 76 47 42 37 31 37 41 27 35 37 65 83 47 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 13 6 4 0 0 0 0 0 0 0 2 7 32 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 3 14 0 0 0 0 17 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 8 8 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 11 27 23 31 16 3 0 0 111 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 1 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. 27 23 18 1 0 0 0 0 0 0 9 24 102 DATE OF START AND END FREEZING START = 2 NOV. END = 10 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 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. 0.3 0.5 6.4 15.2 19.2 23.3 26.9 26.8 22.2 13.4 6.1 2.4 13.6 AVERAGE OF MINIMUM TEMPERATURE IN C. -3.8 -4.9 0.1 8.3 11.3 15.2 18.7 19.0 14.3 7.2 1.5 -0.8 7.2 AVERAGE OF MAXIMUM TEMPERATURE IN C. 4.5 6.0 12.7 22.1 27.1 31.5 35.1 34.7 30.1 19.5 10.8 5.6 20.0 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.3 10.9 12.6 13.8 15.8 16.3 16.4 15.7 15.8 12.3 9.3 6.4 12.8 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.99 2.73 3.70 5.86 6.80 8.02 8.80 9.45 8.20 5.93 4.67 3.62 5.90 MEAN OF MIXING RATIO AT 09 GMT. 3.38 3.22 4.04 5.59 6.79 8.20 9.53 9.70 9.73 7.31 5.68 4.45 6.47 MEAN OF MIXING RATIO AT 15 GMT. 3.18 2.88 4.02 5.44 6.27 8.09 8.69 9.30 9.00 6.51 5.09 4.21 6.06 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -12.2 -12.2 -7.4 0.0 6.8 6.8 14.2 15.2 11.5 2.4 -3.8 -5.0 -12.2 DAY 18 9 3 11 11 14 23 6 12 4 27 23 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 11.8 15.0 18.4 27.4 32.4 40.0 38.4 39.5 36.2 26.0 13.8 13.0 40.0 DAY 1 24 21 15 26 30 2 3 8 10 13 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 14.7 7.6 30.4 15.0 5.5 0.0 3.8 0.5 7.4 3.9 7.8 12.5 30.4 DAY 6 25 24 21 6 ** 7 10 30 17 1 11 MONTHLY TOTAL PRECIPITATION IN MM. 18.8 13.7 59.8 21.6 11.5 0.0 3.8 0.5 10.6 13.2 14.0 23.0 190.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 48.5 17.4 7.8 26.4 NO. OF DAYS WITH PRECIPITATION. 4 4 5 3 3 0 1 1 3 8 4 3 39 NO. OF DAYS PRECIPITATION EQUAL 3 4 5 3 3 0 1 0 3 6 4 3 35 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 0 2 1 0 0 0 0 0 0 0 1 5 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 79 78 73 65 59 55 49 54 64 76 88 84 69 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 62 55 45 35 31 28 26 28 36 53 68 76 45 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 68 56 49 36 31 31 30 32 40 56 70 81 48 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 15 16 7 0 0 0 0 0 0 0 0 6 44 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 7 6 0 0 0 0 13 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 5 5 0 0 0 0 0 0 0 0 0 2 12 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 6 22 29 28 17 0 0 0 102 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. 27 26 18 1 0 0 0 0 0 0 8 21 101 DATE OF START AND END FREEZING START = 8 NOV. END = 11 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 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. -0.1 3.2 10.9 16.2 18.7 ***** ***** 27.0 22.7 15.3 6.0 4.7 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -4.4 -2.7 3.9 8.9 10.9 ***** ***** 18.7 15.1 9.0 1.4 1.2 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 4.2 9.0 17.9 23.5 26.5 ***** ***** 35.2 30.2 21.6 10.6 8.2 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.6 11.7 14.0 14.6 15.6 ***** ***** 16.5 15.1 12.6 9.2 7.0 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.91 2.92 3.93 5.39 6.59 ***** ***** 10.99 8.71 6.41 4.37 4.23 ***** MEAN OF MIXING RATIO AT 09 GMT. 3.33 3.73 4.70 6.06 7.57 ***** ***** 14.62 10.45 8.35 5.32 4.71 ***** MEAN OF MIXING RATIO AT 15 GMT. 3.28 3.39 4.64 5.59 7.33 ***** ***** 13.53 10.91 7.89 5.10 4.68 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -12.6 -9.7 -3.8 4.2 6.5 ***** ***** 14.2 10.2 2.4 -15.8 -7.0 ****** DAY 28 1 12 10 10 ** ** 13 20 28 20 22 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 10.4 16.2 25.5 31.5 33.5 ***** ***** 39.0 34.4 29.0 21.2 16.0 ****** DAY 13 28 29 19 16 ** ** 15 3 6 4 30 24 HOUR MAXIMUM PRECIPITATION IN MM. 8.2 7.2 7.0 11.5 19.2 0.0 0.0 0.0 0.0 6.3 25.0 5.5 25.0 DAY 18 4 9 9 3 ** ** ** ** 26 17 1 MONTHLY TOTAL PRECIPITATION IN MM. 15.6 11.9 10.5 21.5 26.6 0.0 0.0 0.0 0.0 16.5 42.8 15.6 161.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 23.6 29.9 0.0 46.5 NO. OF DAYS WITH PRECIPITATION. 2 2 2 3 4 0 0 0 0 4 5 4 26 NO. OF DAYS PRECIPITATION EQUAL 2 2 2 3 4 0 0 0 0 4 4 3 24 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 0 1 1 0 0 0 0 0 1 0 3 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 84 76 64 60 61 *** *** 64 66 74 80 83 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 63 53 40 35 36 *** *** 43 40 51 68 68 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 73 57 45 37 40 *** *** 44 45 57 74 74 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 14 10 0 0 0 *** *** 0 0 0 4 1 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 *** *** 7 0 0 0 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 6 0 0 0 0 *** *** 0 0 0 2 0 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 1 7 *** *** 31 16 0 0 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 *** *** 0 0 0 0 0 *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 *** *** 0 0 0 0 0 *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. 30 23 7 0 0 *** *** 0 0 0 8 9 *** DATE OF START AND END FREEZING START = 19 NOV. END = 19 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 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. -1.0 3.5 9.3 12.3 17.2 23.1 25.9 26.0 23.9 18.6 8.2 -0.9 13.8 AVERAGE OF MINIMUM TEMPERATURE IN C. -4.6 -2.0 2.7 7.1 10.2 15.3 18.5 18.3 15.3 11.6 3.4 -3.7 7.7 AVERAGE OF MAXIMUM TEMPERATURE IN C. 2.6 9.1 15.9 17.4 24.3 30.9 33.2 33.6 32.5 25.6 13.1 2.0 20.0 DIFFERENCE BETWEEN AVERAGE MAXIMUM 7.2 11.1 13.2 10.3 14.1 15.6 14.7 15.3 17.2 14.0 9.7 5.7 12.3 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.83 3.16 3.67 5.93 6.89 7.51 9.78 9.55 7.18 5.97 4.83 3.09 5.87 MEAN OF MIXING RATIO AT 09 GMT. 3.35 3.79 4.41 6.12 7.01 8.49 10.68 10.86 8.72 7.71 5.72 3.81 6.72 MEAN OF MIXING RATIO AT 15 GMT. 3.32 3.51 4.33 6.08 7.06 8.55 10.22 10.58 8.71 7.43 5.61 3.67 6.59 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -11.8 -11.2 -4.2 2.4 5.2 10.0 14.5 13.0 13.0 3.6 -2.6 -10.5 -11.8 DAY 31 1 1 13 14 7 25 31 17 23 30 28 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 14.2 15.0 23.0 27.0 32.8 36.7 37.8 38.2 35.6 32.0 21.2 9.0 38.2 DAY 2 26 26 28 24 12 14 7 7 1 11 8 24 HOUR MAXIMUM PRECIPITATION IN MM. 4.7 0.0 9.0 16.8 11.5 0.0 16.2 0.0 0.0 7.7 10.5 9.0 16.8 DAY 24 ** 18 2 21 ** 26 ** ** 30 1 17 MONTHLY TOTAL PRECIPITATION IN MM. 16.5 0.0 12.0 57.8 23.3 0.0 16.2 0.0 0.0 7.7 34.2 54.1 221.8 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 12.8 36.6 7.3 43.3 NO. OF DAYS WITH PRECIPITATION. 4 0 2 11 5 0 1 0 0 1 5 9 38 NO. OF DAYS PRECIPITATION EQUAL 4 0 2 11 5 0 1 0 0 1 5 9 38 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 0 1 1 0 1 0 0 0 1 0 4 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 82 78 63 74 69 50 57 58 53 59 81 84 67 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 73 55 42 50 38 31 33 34 30 38 61 79 47 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 76 57 45 56 42 34 37 37 32 43 69 84 51 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 21 11 1 0 0 0 0 0 0 0 0 16 49 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 2 1 0 0 0 0 3 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 11 0 0 0 0 0 0 0 0 0 0 12 23 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 7 17 26 27 29 5 0 0 111 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 23 21 9 0 0 0 0 0 0 0 4 24 81 DATE OF START AND END FREEZING START = 22 NOV. END = 31 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 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. 1.2 2.5 5.8 12.6 16.5 21.8 25.5 26.0 21.4 18.6 7.3 1.0 13.4 AVERAGE OF MINIMUM TEMPERATURE IN C. -2.7 -1.8 1.3 6.8 9.2 14.3 18.1 18.6 13.7 11.5 1.9 -2.1 7.4 AVERAGE OF MAXIMUM TEMPERATURE IN C. 5.0 6.9 10.4 18.5 23.8 29.3 33.0 33.5 29.1 25.7 12.7 4.1 19.3 DIFFERENCE BETWEEN AVERAGE MAXIMUM 7.7 8.7 9.1 11.7 14.6 15.0 14.9 14.9 15.4 14.2 10.8 6.2 11.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.12 3.16 3.99 5.55 6.79 8.47 10.61 10.43 7.66 5.99 4.15 3.48 6.12 MEAN OF MIXING RATIO AT 09 GMT. 4.23 3.97 4.67 6.06 6.95 8.21 11.78 11.88 9.49 7.80 4.91 4.19 7.01 MEAN OF MIXING RATIO AT 15 GMT. 3.98 3.69 4.51 6.00 6.88 8.43 11.15 10.43 8.69 7.15 5.04 3.96 6.66 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -8.5 -9.0 -8.0 -2.8 1.5 8.4 13.5 15.0 7.5 7.0 -5.4 -9.0 -9.0 DAY 18 18 2 18 1 6 2 3 23 31 18 12 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 13.4 12.7 15.6 28.0 29.0 34.8 39.5 41.0 36.0 30.0 19.0 12.5 41.0 DAY 14 8 6 25 16 18 17 12 5 9 1 18 24 HOUR MAXIMUM PRECIPITATION IN MM. 8.5 13.7 9.5 22.1 37.4 6.0 0.0 0.0 0.0 1.0 8.5 9.4 37.4 DAY 28 14 26 17 29 1 ** ** ** 27 30 30 MONTHLY TOTAL PRECIPITATION IN MM. 19.6 40.8 36.0 81.1 58.8 9.0 0.0 0.0 0.0 2.0 20.5 29.2 297.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 32.5 50.1 0.0 17.4 NO. OF DAYS WITH PRECIPITATION. 4 6 9 10 9 2 0 0 0 2 5 6 53 NO. OF DAYS PRECIPITATION EQUAL 4 6 9 10 8 2 0 0 0 2 5 6 52 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 2 0 3 1 0 0 0 0 0 0 0 6 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 83 79 78 72 69 62 63 62 63 57 75 85 71 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 76 66 60 50 37 33 39 36 40 39 54 79 51 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 79 69 62 52 45 37 41 37 41 42 65 82 54 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 11 6 3 0 0 0 0 0 0 0 3 12 35 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 2 5 0 0 0 0 7 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 2 1 0 0 0 0 0 0 0 0 0 7 10 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 14 27 30 13 1 0 0 85 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. 27 22 13 3 0 0 0 0 0 0 9 22 96 DATE OF START AND END FREEZING START = 15 NOV. END = 29 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 MET. MEAN AND EXTREMES FOR THE PERIOD 1992 TO 2003 PAGE 1 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPE. IN C. -0.6 1.6 6.7 13.2 17.2 22.4 25.4 26.4 21.5 15.3 7.0 1.9 13.2 SD OF MEAN DAILY TEMPERATURE IN C. 2.80 2.57 2.16 1.39 2.23 1.83 0.88 1.18 1.54 1.86 1.71 2.05 1.85 AVERAGE OF MINIMUM TEMPERATURE IN C. -5.0 -3.5 0.9 6.8 9.8 14.3 17.4 18.3 13.2 8.2 1.8 -2.0 6.7 AVERAGE OF MAXIMUM TEMPERATURE IN C. 3.6 6.8 12.5 19.7 24.6 30.5 33.3 34.5 29.7 22.5 12.2 5.8 19.6 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.5 10.4 11.6 12.9 14.8 16.2 15.9 16.1 16.5 14.2 10.3 7.8 12.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.07 3.17 3.85 5.55 7.28 8.84 10.77 9.97 7.44 5.69 4.52 3.60 6.14 MEAN OF MIXING RATIO AT 09 GMT. 3.91 4.03 4.47 5.90 7.78 9.53 12.40 11.32 9.15 7.37 5.54 4.32 7.14 MEAN OF MIXING RATIO AT 15 GMT. 3.67 3.71 4.35 5.84 7.58 9.56 11.52 10.50 8.46 6.83 5.25 4.15 6.78 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -23.0 -15.4 -10.2 -4.2 -6.0 5.0 5.5 12.4 2.6 0.8 -15.8 -12.8 -23.0 YEAR - DAY 98-11 97- 2 97- 9 97-12 92- 5 92- 5 92-12 93-29 97-14 95-18 1-20 95-20 98-11 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 14.2 17.2 25.5 31.5 36.4 40.0 41.0 41.0 40.0 32.0 22.6 20.2 41.0 YEAR - DAY 2- 2 96- 9 1-29 1-19 99-31 0-30 97-29 95- 5 98- 1 2- 1 95- 7 98-10 95- 5 24 HOUR MAXIMUM PRECIPITATION IN MM. 20.3 13.7 30.4 24.4 37.4 37.5 19.2 4.0 7.4 20.4 44.0 25.0 44.0 YEAR - DAY 98- 6 3-14 0-24 93-25 3-29 95- 3 96- 5 98-10 0-30 96-14 93- 2 93- 8 93- 2 MONTHLY TOTAL PRECIPITATION IN MM. 24.5 18.4 30.2 42.3 32.8 10.8 7.0 0.9 2.1 13.1 33.9 21.1 237.1 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 30.8 36.2 4.2 28.7 NO. OF DAYS WITH PRECIPITATION. 5 4 6 7 6 2 1 0 1 3 5 5 45 NO. OF DAYS PRECIPITATION EQUAL 5 4 6 6 6 2 1 0 1 2 5 4 42 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 0 1 1 1 0 0 0 0 0 1 0 5 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 87 83 75 70 69 61 63 59 61 67 81 86 72 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 77 66 52 43 41 35 39 34 36 44 63 74 50 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 82 69 54 47 46 39 41 36 38 49 69 80 54 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 16 13 3 0 0 0 0 0 0 0 2 10 44 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 3 4 0 0 0 0 7 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 7 3 1 0 0 0 0 0 0 0 0 4 15 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 4 18 26 29 15 1 0 0 93 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 1 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. 28 23 14 1 0 0 0 0 0 0 9 22 97 DATE OF START AND END FREEZING START = 2 NOV. END = 5 MAY IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION FILEH KHASEH ZANJAN LATITUDE 37 4 N DATA PROCESSING CENTER LONGITUDE 48 2 E ELEVATION 1368 MET. MEAN AND EXTREMES FOR THE PERIOD 1992 TO 2003 PAGE 2 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE DRY BULB TEMPERATURE. IN C. -0.9 1.5 7.0 13.8 18.5 24.1 26.5 27.2 22.3 15.6 6.8 1.6 13.7 AVERAGE DEW POINT TEMPERATURE. IN C. -3.9 -3.5 -1.3 3.1 7.1 10.1 13.4 12.1 8.5 5.1 1.3 -1.9 4.2 AVERAGE OF MIXING RATIO IN G/KG 3.54 3.63 4.22 5.76 7.54 9.30 11.56 10.59 8.35 6.63 5.10 4.02 6.69 AVERAGE OF VAPOUR PRESSURE HPA 4.85 4.97 5.79 7.91 10.36 12.77 15.83 14.53 11.47 9.10 6.99 5.50 9.17 AVERAGE OF SATURATION DEFICIT IN HPA 1.24 2.31 4.95 8.96 12.28 18.81 20.43 23.51 17.27 9.79 3.49 1.70 10.40 AVERAGE RELATIVE HUMIDITY IN PERCENT 82 73 60 53 52 45 48 43 45 53 71 80 59 AVERAGE OF MAXIMUM RELATIVE HUMIDITY(%) 90 86 77 72 71 62 64 60 62 68 84 89 74 AVERAGE OF MINIMUM RELATIVE HUMIDITY(%) 74 62 47 39 38 33 36 31 33 42 60 71 47 NO. OF DAYS PRECIPITATION EQUAL 1 1 2 3 2 1 0 0 0 1 2 2 15 OR MORE THAN 5 MM.