IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 1 STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 MET. AVERAGE OF MEAN DAILY TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MAX-MIN 1992 -6.4 -2.9 -2.6 8.8 14.4 19.2 23.3 23.8 18.9 13.3 7.1 1.6 30.2 1993 -1.0 1.7 5.7 11.3 15.2 19.8 24.6 24.8 20.3 14.9 6.8 5.1 25.8 1994 4.3 3.0 7.3 13.8 16.5 20.9 25.3 23.9 21.5 15.3 8.6 -1.5 26.8 1995 4.0 4.9 7.4 11.2 16.7 20.8 24.2 24.5 19.8 13.4 7.3 1.5 23.0 1996 0.0 4.9 5.8 11.3 17.7 21.3 27.1 24.7 19.9 14.5 8.1 6.4 27.1 1997 2.3 -4.3 2.8 10.6 16.3 20.8 23.5 23.8 18.7 14.7 8.3 3.2 28.1 1998 -3.9 -0.7 5.7 12.5 16.6 22.6 25.9 25.7 20.2 14.9 11.1 7.3 29.8 1999 3.7 4.5 7.4 11.9 17.2 22.2 25.5 26.7 19.9 16.1 7.9 4.6 23.0 2000 -1.6 1.2 5.7 13.5 17.1 21.2 27.3 25.8 19.8 13.3 7.4 3.2 28.9 MEAN 0.2 1.4 5.0 11.7 16.4 21.0 25.2 24.9 19.9 14.5 8.1 3.5 25.0 SD 3.75 3.39 3.19 1.52 1.03 1.04 1.44 1.02 0.81 0.96 1.28 2.71 1.85 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 2 STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 MET. AVERAGE OF MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1992 -12.1 -7.6 -9.4 2.9 7.9 10.2 12.4 14.0 8.3 2.6 0.1 -2.7 2.2 1993 -6.6 -3.1 -0.4 5.1 8.7 10.0 14.2 15.1 9.0 6.3 1.4 -0.2 5.0 1994 -0.1 -1.2 1.7 6.8 8.5 11.1 16.0 13.1 12.7 8.1 4.0 -6.3 6.2 1995 -1.0 -0.5 0.4 4.8 9.3 12.3 14.0 12.8 9.5 3.3 -0.6 -4.9 4.9 1996 -4.6 -0.2 0.8 5.2 9.0 11.6 17.6 13.9 9.4 5.7 -0.6 1.3 5.8 1997 -3.5 -11.6 -1.6 4.3 8.3 10.7 12.9 12.5 8.3 6.3 2.8 -1.0 4.0 1998 -8.6 -5.6 0.8 5.5 8.5 11.9 16.6 15.1 9.5 4.5 2.3 -0.3 5.0 1999 -1.3 -1.6 0.7 4.3 7.6 12.4 16.1 16.6 9.4 7.1 1.6 -1.7 5.9 2000 -7.3 -4.6 -1.2 6.3 8.1 10.5 17.4 15.6 9.2 5.1 0.3 -1.3 4.8 MEAN -5.0 -4.0 -0.9 5.0 8.4 11.2 15.2 14.3 9.5 5.5 1.3 -1.9 4.9 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 3 STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 MET. AVERAGE OF MAXIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1992 -0.6 1.9 4.1 14.6 20.9 28.2 34.3 33.5 29.6 24.1 14.0 6.0 17.6 1993 4.6 6.5 11.8 17.6 21.7 29.6 35.1 34.5 31.6 23.6 12.1 10.3 19.9 1994 8.8 7.3 13.0 20.7 24.5 30.7 34.7 34.8 30.3 22.4 13.2 3.3 20.3 1995 9.0 10.3 14.4 17.5 24.1 29.3 34.4 36.2 30.2 23.5 15.3 8.0 21.0 1996 4.6 10.0 10.8 17.5 26.4 31.0 36.5 35.6 30.3 23.3 16.8 11.4 21.2 1997 8.1 3.0 7.3 16.9 24.3 30.9 34.1 35.0 29.1 23.1 13.9 7.4 19.4 1998 0.8 4.1 10.5 19.5 24.8 33.3 35.3 36.3 30.8 25.3 19.8 14.9 21.3 1999 8.7 10.5 14.1 19.6 26.8 32.0 35.0 36.8 30.5 25.0 14.1 10.9 22.0 2000 4.1 7.1 12.7 20.6 26.0 32.0 37.3 36.0 30.4 21.5 14.6 7.6 20.8 MEAN 5.4 6.8 11.0 18.3 24.4 30.8 35.2 35.4 30.3 23.5 14.9 8.9 20.4 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 4 STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 MET. DIFFERENCE BETWEEN AVERAGE MAXIMUM AND MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1992 11.5 9.5 13.5 11.7 13.0 18.0 21.9 19.5 21.3 21.5 13.9 8.7 15.3 1993 11.2 9.6 12.2 12.5 13.0 19.6 20.9 19.4 22.6 17.3 10.7 10.5 15.0 1994 8.9 8.5 11.3 13.9 16.0 19.6 18.7 21.7 17.6 14.3 9.2 9.6 14.1 1995 10.0 10.8 14.0 12.7 14.8 17.0 20.4 23.4 20.7 20.2 15.9 12.9 16.1 1996 9.2 10.2 10.0 12.3 17.4 19.4 18.9 21.7 20.9 17.6 17.4 10.1 15.4 1997 11.6 14.6 8.9 12.6 16.0 20.2 21.2 22.5 20.8 16.8 11.1 8.4 15.4 1998 9.4 9.7 9.7 14.0 16.3 21.4 18.7 21.2 21.3 20.8 17.5 15.2 16.3 1999 10.0 12.1 13.4 15.3 19.2 19.6 18.9 20.2 21.1 17.9 12.5 12.6 16.1 2000 11.4 11.7 13.9 14.3 17.9 21.5 19.9 20.4 21.2 16.4 14.3 8.9 16.0 MEAN 10.4 10.7 11.9 13.3 16.0 19.6 19.9 21.1 20.8 18.1 13.6 10.8 15.5 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 5 STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1992 2.25 2.80 2.58 5.23 7.53 8.10 7.99 8.03 4.97 3.66 4.22 3.68 5.09 1993 2.85 3.33 3.91 5.99 8.35 9.26 9.09 6.78 4.46 4.70 5.16 4.48 5.70 1994 4.38 4.03 4.93 6.97 7.70 8.34 8.91 6.57 6.46 7.21 6.04 3.09 6.22 1995 3.96 4.10 4.50 6.12 8.45 9.37 8.04 6.58 5.89 4.14 4.43 3.16 5.73 1996 3.58 4.35 4.61 6.15 7.54 6.91 7.70 5.42 5.15 4.91 3.78 4.64 5.39 1997 3.52 2.25 3.80 5.64 7.24 7.20 7.54 6.66 5.13 6.26 5.52 4.19 5.41 1998 2.82 2.98 4.46 6.13 7.61 7.55 8.43 7.24 5.60 4.08 4.37 3.52 5.40 1999 3.97 3.87 4.20 5.42 6.03 6.82 7.50 7.47 5.03 4.96 4.80 3.84 5.33 2000 3.09 3.19 3.98 6.21 6.83 6.32 7.41 6.90 4.70 5.47 4.40 4.10 5.22 MEAN 3.39 3.44 4.11 5.99 7.48 7.77 8.07 6.86 5.27 5.05 4.75 3.86 5.50 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 6 STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1992 2.64 3.21 3.58 5.40 8.04 7.26 9.17 7.99 4.47 4.78 5.03 4.14 5.48 1993 3.22 3.54 4.15 6.23 7.62 8.36 8.08 6.59 4.85 5.14 6.00 5.32 5.76 1994 4.84 4.10 5.28 6.97 7.55 7.09 9.32 7.21 6.43 7.39 6.52 3.64 6.36 1995 4.53 4.48 4.92 6.64 8.60 8.28 8.58 7.66 6.27 4.35 4.57 3.80 6.06 1996 4.17 4.74 5.12 5.56 7.25 6.64 7.57 5.81 5.12 5.46 4.63 5.07 5.60 1997 4.03 3.06 4.20 5.23 7.32 6.70 8.48 8.85 6.82 8.63 6.08 4.76 6.18 1998 3.38 3.39 4.83 5.96 7.31 7.12 9.40 8.43 7.26 5.07 5.31 4.23 5.97 1999 4.44 4.32 3.73 4.85 5.54 5.89 7.24 7.49 5.79 5.57 5.30 4.43 5.38 2000 3.47 3.56 3.90 6.27 5.65 6.08 6.54 7.41 5.55 5.79 5.27 4.62 5.34 MEAN 3.86 3.83 4.42 5.91 7.21 7.05 8.27 7.50 5.84 5.80 5.42 4.45 5.79 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 7 STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1992 2.34 3.03 3.42 5.84 7.67 7.53 8.22 9.23 4.84 4.20 4.69 3.73 5.39 1993 2.87 3.41 4.29 6.36 8.44 9.21 7.89 6.23 4.78 5.39 5.84 5.55 5.86 1994 5.07 4.47 5.89 7.80 7.68 6.49 8.28 5.98 5.94 7.68 6.62 3.40 6.28 1995 4.71 4.30 5.16 7.10 9.31 8.73 7.69 7.17 6.23 4.34 4.74 3.97 6.12 1996 3.96 5.05 5.20 6.07 7.51 7.61 7.72 5.61 5.32 5.35 4.42 5.15 5.75 1997 4.08 3.09 4.33 5.75 7.75 6.48 7.66 8.32 6.75 8.26 6.15 4.75 6.12 1998 3.28 3.52 4.77 6.65 7.48 7.26 8.96 8.92 6.95 5.32 5.32 4.24 6.06 1999 4.55 4.45 4.10 4.76 5.94 5.49 6.84 7.93 5.71 5.85 5.38 4.65 5.47 2000 3.42 3.75 4.21 6.39 5.64 6.01 7.01 7.40 5.07 5.89 5.17 4.58 5.38 MEAN 3.81 3.90 4.60 6.31 7.50 7.21 7.81 7.43 5.74 5.82 5.38 4.45 5.82 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 8 STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 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 -27.5 9 -20.0 17 -26.5 2 -6.5 3 2.5 5 7.0 5 8.3 1 10.4 27 1.5 30 -1.2 29 -13.5 26 -23.5 29 -27.5 1993 -16.0 17 -14.7 16 -4.5 15 1.7 13 3.0 1 7.0 6 6.0 3 10.0 22 3.6 25 3.4 30 -10.0 14 -3.0 6 -16.0 1994 -4.0 11 -7.6 4 -2.0 17 1.0 4 3.0 17 8.0 5 10.0 1 8.5 20 8.0 24 2.0 13 -1.8 10 -21.8 7 -21.8 1995 -5.6 23 -7.2 10 -4.2 1 -0.5 6 0.4 9 9.5 9 10.0 3 9.5 26 3.4 30 0.0 5 -12.6 26 -9.0 20 -12.6 1996 -20.0 22 -6.0 3 -2.4 6 0.5 6 4.8 2 4.5 6 12.2 1 9.2 27 5.5 18 -1.8 28 -7.2 14 -5.0 1 -20.0 1997 -15.8 30 -25.2 7 -13.6 8 -4.0 11 3.4 6 5.5 4 9.0 18 10.0 16 4.6 16 2.4 8 -3.2 29 -6.6 22 -25.2 1998 -22.4 15 -15.8 17 -6.4 3 1.0 25 3.6 1 8.0 3 10.6 7 10.5 17 5.0 27 0.0 25 -1.4 26 -6.6 23 -22.4 1999 -7.0 4 -7.0 22 -4.4 13 0.2 10 2.0 22 7.0 5 10.0 4 9.0 31 6.0 20 1.6 14 -3.2 29 -6.0 3 -7.0 2000 -20.8 17 -13.0 9 -6.6 17 -0.2 11 3.0 12 7.4 15 10.0 3 7.0 31 5.8 27 -1.4 29 -3.8 29 -11.0 29 -20.8 LOW. -27.5 9 -25.2 7 -26.5 2 -6.5 3 0.4 9 4.5 6 6.0 3 7.0 31 1.5 30 -1.8 28 -13.5 26 -23.5 29 -27.5 YEAR 1992 1997 1992 1992 1995 1996 1993 2000 1992 1996 1992 1992 1992 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 9 STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 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 4.5 15 8.0 24 9.5 29 20.7 12 29.5 29 32.4 29 38.5 1 35.8 5 34.2 3 27.0 4 21.6 4 13.2 15 38.5 1993 10.5 8 15.0 27 22.5 31 25.5 17 26.5 31 35.2 30 40.5 16 38.0 2 35.0 1 28.4 1 20.4 8 15.2 22 40.5 1994 13.5 3 12.6 27 20.4 31 27.4 21 33.5 31 34.8 9 37.2 13 37.6 15 34.8 1 27.2 6 19.0 2 10.5 2 37.6 1995 14.0 30 14.2 21 19.2 24 22.5 30 30.0 24 33.2 28 38.8 21 39.0 5 37.5 2 30.0 2 22.6 1 13.5 30 39.0 1996 12.2 1 15.8 9 18.0 30 24.5 30 31.0 27 35.5 29 38.5 21 39.5 2 34.2 1 31.2 2 22.0 5 17.2 5 39.5 1997 14.2 7 11.0 21 15.2 31 27.8 27 30.5 27 35.2 28 37.7 30 38.6 25 32.2 20 29.0 16 17.2 3 16.0 8 38.6 1998 4.4 26 11.6 7 16.6 26 27.0 15 31.6 9 36.0 23 38.0 16 39.4 29 36.0 1 29.6 6 23.0 5 21.0 9 39.4 1999 13.5 8 16.0 1 22.6 31 26.0 27 35.0 30 35.5 20 39.5 20 39.6 2 34.5 3 32.0 2 19.2 7 20.0 31 39.6 2000 18.0 1 15.0 24 18.5 29 25.8 14 31.4 25 36.6 30 40.5 17 38.7 2 36.7 9 26.7 11 19.6 12 13.6 1 40.5 HIG. 18.0 1 16.0 1 22.6 31 27.8 27 35.0 30 36.6 30 40.5 16 39.6 2 37.5 2 32.0 2 23.0 5 21.0 9 40.5 YEAR 2000 1999 1999 1997 1999 2000 1993 1999 1995 1999 1998 1998 1993 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 10 STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 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 38.0 21 50.0 24 63.0 23 25.0 18 40.0 6 14.0 2 0.0 ** 0.0 ** 0.0 ** 0.0 ** 91.0 8 53.0 3 91.0 1993 58.0 8 36.0 2 34.0 8 35.0 25 26.0 13 10.0 1 0.1 29 0.0 ** 0.0 ** 44.0 29 67.0 12 37.0 8 67.0 1994 71.0 4 26.0 13 45.0 14 57.0 26 15.0 6 0.0 ** 0.0 ** 0.0 ** 4.0 29 46.0 31 52.0 5 33.0 20 71.0 1995 54.0 12 47.0 5 31.0 17 69.0 12 61.0 5 5.0 2 0.0 ** 0.0 ** 9.0 20 0.2 11 24.0 3 12.0 12 69.0 1996 45.2 6 58.0 2 46.1 2 131.0 13 8.1 11 0.0 ** 0.0 ** 0.0 ** 1.0 3 5.0 14 0.6 19 29.0 21 131.0 1997 45.0 27 17.0 24 67.0 19 35.0 9 32.0 4 0.8 6 1.0 4 0.0 ** 0.0 ** 14.0 23 53.0 5 43.0 10 67.0 1998 28.4 30 36.0 8 103.0 17 31.0 4 11.0 13 0.3 20 6.8 29 0.0 ** 0.0 ** 0.8 31 6.0 16 7.0 27 103.0 1999 63.0 9 72.0 20 16.0 16 26.0 2 3.0 8 0.0 ** 3.0 16 0.6 29 0.0 ** 8.0 31 31.0 8 44.0 16 72.0 2000 51.0 6 34.3 14 36.0 24 18.0 21 15.0 19 0.0 ** 1.0 14 0.0 ** 12.0 29 20.0 16 7.5 19 48.0 24 51.0 HIG. 71.0 4 72.0 20 103.0 17 131.0 13 61.0 5 14.0 2 6.8 29 0.6 29 12.0 29 46.0 31 91.0 8 53.0 3 131.0 YEAR 1994 1999 1998 1996 1995 1992 1998 1999 2000 1994 1992 1992 1996 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 11 STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 MET. MONTHLY TOTAL PRECIPITATION WITH SEASONAL PERCENT. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL SEASONAL-PERCENT ----------------------- 1992 206.0 332.5 172.6 85.9 89.4 18.7 0.0 0.0 0.0 0.0 207.1 164.1 1276.3 55.7 15.2 0.0 29.1 1993 122.2 124.1 137.2 162.9 67.4 11.0 0.1 0.0 0.0 65.6 308.9 117.3 1116.7 34.3 21.6 0.0 44.0 1994 239.7 195.4 136.7 168.5 28.0 0.0 0.0 0.0 5.3 140.8 317.0 190.7 1422.1 40.2 13.8 0.4 45.6 1995 133.9 130.0 111.5 244.1 192.1 8.1 0.0 0.0 11.2 0.2 70.7 23.6 925.4 40.6 48.0 1.2 10.2 1996 210.3 177.1 235.2 238.6 13.8 0.0 0.0 0.0 2.9 11.2 1.9 134.5 1025.5 60.7 24.6 0.3 14.4 1997 136.4 69.6 293.6 153.9 62.9 0.8 1.0 0.0 0.0 35.2 194.4 172.2 1120.0 44.6 19.4 0.1 35.9 1998 226.3 107.0 335.4 86.4 29.7 0.3 11.3 0.0 0.0 1.3 9.3 11.2 818.2 81.7 14.2 1.4 2.7 1999 121.2 199.1 40.1 56.2 4.3 0.0 3.1 0.6 0.0 17.2 82.7 69.4 593.9 60.7 10.2 0.6 28.5 2000 194.0 95.7 107.8 52.6 26.2 0.0 1.7 0.0 15.6 32.2 30.9 184.8 741.5 53.6 10.6 2.3 33.4 MEAN 176.7 158.9 174.5 138.8 57.1 4.3 1.9 0.1 3.9 33.7 135.9 118.6 1004.4 50.8 19.9 0.6 28.7 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 12 STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 MET. NO. OF DAYS WITH PRECIPITATION YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1992 19 23 15 8 13 6 0 0 0 0 15 15 114 1993 13 12 14 14 13 2 1 0 0 5 15 9 98 1994 15 17 15 12 8 0 0 0 3 8 19 16 113 1995 9 11 13 14 11 3 0 0 2 1 8 5 77 1996 15 16 19 16 6 0 0 0 3 8 4 15 102 1997 7 11 17 12 8 1 1 0 0 9 11 12 89 1998 17 15 16 11 9 1 3 0 0 2 5 4 83 1999 12 10 8 5 4 0 2 1 0 4 9 7 62 2000 16 12 9 8 5 0 2 0 3 8 8 14 85 MEAN 14 14 14 11 9 1 1 0 1 5 10 11 91 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 13 STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 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 18 20 15 7 10 2 0 0 0 0 13 12 97 1993 9 9 13 12 10 2 0 0 0 4 14 7 80 1994 11 15 12 11 3 0 0 0 1 7 17 15 92 1995 7 10 11 13 10 3 0 0 2 0 8 3 67 1996 12 14 16 13 4 0 0 0 2 2 0 10 73 1997 6 8 14 12 5 0 1 0 0 5 9 12 72 1998 16 14 13 6 7 0 2 0 0 0 2 2 62 1999 11 8 7 5 1 0 1 0 0 3 7 5 48 2000 16 8 7 6 4 0 1 0 2 5 7 13 69 MEAN 12 12 12 9 6 1 1 0 1 3 9 9 75 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 14 STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 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 7 10 4 5 2 1 0 0 0 0 6 4 39 1993 4 4 4 6 2 1 0 0 0 2 9 4 36 1994 8 10 3 5 1 0 0 0 0 4 7 8 46 1995 4 6 4 7 6 0 0 0 0 0 3 1 31 1996 7 6 8 6 0 0 0 0 0 0 0 5 32 1997 5 2 9 5 2 0 0 0 0 1 6 5 35 1998 10 4 8 4 1 0 0 0 0 0 0 0 27 1999 3 5 1 3 0 0 0 0 0 0 3 2 17 2000 6 4 4 2 1 0 0 0 1 1 0 6 25 MEAN 6 6 5 5 2 0 0 0 0 1 4 4 33 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 15 STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1992 81 86 88 86 86 76 67 62 55 63 79 84 76 1993 82 79 83 86 89 84 66 50 50 64 93 94 77 1994 92 90 92 88 86 76 61 56 53 85 90 88 80 1995 89 86 90 89 89 80 64 58 66 65 84 92 79 1996 92 88 90 87 81 61 49 45 55 69 76 84 73 1997 90 87 86 85 83 68 62 59 60 83 91 92 79 1998 91 85 86 87 85 65 55 51 59 62 75 73 73 1999 91 90 84 84 73 56 51 51 55 65 88 90 73 2000 90 90 86 82 79 61 46 50 51 78 88 90 74 MEAN 89 87 87 86 83 70 58 54 56 70 85 87 76 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 16 STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1992 70 71 70 54 51 30 27 26 18 25 54 70 47 1993 61 57 52 52 46 32 23 19 16 31 68 73 44 1994 70 66 56 47 39 25 27 21 24 46 67 73 47 1995 67 62 52 54 47 33 26 21 26 24 46 60 43 1996 79 66 67 47 36 24 20 16 18 32 39 62 42 1997 62 69 68 44 40 24 25 26 26 47 61 74 47 1998 85 69 63 41 37 22 27 22 25 26 38 44 42 1999 64 59 37 36 25 19 21 19 21 28 55 59 37 2000 72 59 43 41 28 21 17 20 22 38 52 70 40 MEAN 70 64 56 46 39 26 24 21 22 33 53 65 43 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 17 STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1992 72 80 78 61 51 31 25 29 21 28 57 71 50 1993 64 60 55 55 55 35 22 18 18 36 74 80 48 1994 78 76 68 56 40 23 22 17 24 54 76 77 51 1995 73 60 55 62 53 36 21 19 26 29 56 72 47 1996 81 71 69 53 38 26 21 15 22 37 45 70 46 1997 67 71 68 49 42 23 22 24 29 56 70 78 50 1998 85 73 62 50 39 22 25 24 26 32 46 49 44 1999 71 64 44 35 27 18 21 21 22 35 63 70 41 2000 76 68 50 43 28 20 18 20 22 45 60 79 44 MEAN 74 69 61 52 41 26 22 21 23 39 61 72 47 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 18 STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 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 22 20 22 1 0 0 0 0 0 0 4 8 77 1993 18 8 1 0 0 0 0 0 0 0 2 0 29 1994 2 7 0 0 0 0 0 0 0 0 0 19 28 1995 3 2 1 0 0 0 0 0 0 0 10 21 37 1996 11 4 0 0 0 0 0 0 0 0 5 1 21 1997 13 22 9 1 0 0 0 0 0 0 0 6 51 1998 18 18 3 0 0 0 0 0 0 0 0 8 47 1999 7 5 2 0 0 0 0 0 0 0 0 9 23 2000 20 15 8 0 0 0 0 0 0 0 0 5 48 MEAN 13 11 5 0 0 0 0 0 0 0 2 9 40 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 19 STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 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 0 0 0 0 0 0 1993 0 0 0 0 0 0 0 2 0 0 0 0 2 1994 0 0 0 0 0 0 3 0 0 0 0 0 3 1995 0 0 0 0 0 0 1 0 0 0 0 0 1 1996 0 0 0 0 0 1 4 1 0 0 0 0 6 1997 0 0 0 0 0 0 0 0 0 0 0 0 0 1998 0 0 0 0 0 0 3 1 0 0 0 0 4 1999 0 0 0 0 0 0 0 1 0 0 0 0 1 2000 0 0 0 0 0 0 3 3 0 0 0 0 6 MEAN 0 0 0 0 0 0 2 1 0 0 0 0 3 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 20 STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 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 18 10 2 0 0 0 0 0 0 0 1 3 34 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 4 4 1995 0 0 0 0 0 0 0 0 0 0 1 0 1 1996 1 0 0 0 0 0 0 0 0 0 0 0 1 1997 1 8 1 0 0 0 0 0 0 0 0 0 10 1998 8 2 0 0 0 0 0 0 0 0 0 0 10 1999 0 0 0 0 0 0 0 0 0 0 0 0 0 2000 3 0 0 0 0 0 0 0 0 0 0 0 3 MEAN 4 2 0 0 0 0 0 0 0 0 0 1 7 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 21 STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 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 0 0 0 0 12 31 29 15 0 0 0 87 1993 0 0 0 0 0 13 31 31 23 0 0 0 98 1994 0 0 0 0 5 20 31 31 20 0 0 0 107 1995 0 0 0 0 1 13 29 31 16 1 0 0 91 1996 0 0 0 0 2 20 31 31 20 3 0 0 107 1997 0 0 0 0 2 21 31 31 13 0 0 0 98 1998 0 0 0 0 6 27 31 31 19 0 0 0 114 1999 0 0 0 0 8 24 30 31 17 3 0 0 113 2000 0 0 0 0 1 26 31 31 23 0 0 0 112 MEAN 0 0 0 0 3 20 31 31 18 1 0 0 104 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 22 STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 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 0 0 0 0 0 0 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 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 1 0 0 0 0 0 1 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 0 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 23 STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 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 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 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 0 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 24 STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 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 31 28 30 8 0 0 0 0 0 5 16 23 141 10 4 4 8 1993 29 22 18 0 0 0 0 0 0 0 12 17 98 11 13 3 26 1994 18 16 14 0 0 0 0 0 0 0 7 25 80 11 9 3 25 1995 22 20 16 1 0 0 0 0 0 2 18 31 110 10 5 4 6 1996 25 16 14 0 0 0 0 0 0 2 21 11 89 10 28 3 29 1997 25 25 22 5 0 0 0 0 0 0 10 19 106 11 16 4 14 1998 30 25 16 0 0 0 0 0 0 1 12 18 102 10 25 3 26 1999 20 20 16 0 0 0 0 0 0 0 10 25 91 11 4 3 24 2000 27 25 22 1 0 0 0 0 0 1 16 20 112 10 29 4 11 MEAN 25 22 19 2 0 0 0 0 0 1 14 21 104 10 4 4 14 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 25 STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 MET. AVERAGE OF DRY BULB TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1992 -6.0 -2.8 -2.5 9.3 15.4 21.4 25.4 25.2 20.7 14.4 6.9 1.2 10.7 1993 -1.2 1.9 5.9 11.9 16.3 22.6 27.2 26.7 22.4 15.7 6.4 4.6 13.4 1994 3.9 2.6 7.5 14.4 17.9 23.4 27.6 26.2 22.8 15.7 8.5 -1.6 14.1 1995 3.5 4.8 7.8 11.7 17.6 22.5 26.2 26.6 21.3 14.7 7.3 1.3 13.8 1996 0.0 4.8 5.6 11.6 19.1 23.4 28.4 26.8 21.7 15.0 8.6 6.3 14.3 1997 2.1 -3.9 3.0 11.3 17.5 23.1 25.9 25.8 20.5 15.4 8.3 2.9 12.6 1998 -3.9 -0.6 5.7 13.3 18.2 25.2 27.7 28.0 22.3 15.8 11.6 7.4 14.2 1999 3.3 4.3 7.9 13.1 19.2 24.7 27.3 28.5 21.7 17.2 7.6 3.9 14.9 2000 -1.3 1.1 6.5 14.7 18.8 23.7 29.2 27.7 21.7 13.9 7.6 2.8 13.9 MEAN 0.1 1.3 5.3 12.3 17.8 23.3 27.2 26.8 21.7 15.3 8.1 3.2 13.5 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 26 STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 MET. AVERAGE OF DEW POINT TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1992 -10.2 -6.4 -5.6 2.5 7.3 7.2 8.1 8.4 0.5 -1.4 -0.6 -3.0 0.6 1993 -6.7 -4.4 -1.6 4.2 8.0 9.5 8.5 5.0 0.4 1.2 2.6 1.5 2.4 1994 0.4 -1.4 2.1 6.4 7.1 6.4 9.3 5.0 3.9 6.5 4.4 -4.9 3.8 1995 -0.6 -1.0 0.7 5.1 9.2 9.3 8.1 6.3 4.2 -1.0 -0.7 -3.2 3.0 1996 -2.6 0.4 1.1 3.4 6.8 5.6 7.2 2.8 1.8 1.7 -1.6 0.9 2.3 1997 -2.6 -7.8 -1.7 2.3 6.9 5.5 7.6 7.8 4.3 7.3 3.5 -0.2 2.7 1998 -5.9 -4.8 0.1 4.3 6.7 6.6 9.3 8.2 5.2 0.6 1.0 -2.1 2.4 1999 -1.1 -1.2 -2.1 1.1 3.3 4.0 6.3 7.3 2.6 2.3 1.5 -1.0 1.9 2000 -4.9 -4.0 -2.2 4.1 3.8 4.0 5.6 6.5 1.3 2.9 0.9 -0.6 1.5 MEAN -3.8 -3.4 -1.0 3.7 6.6 6.5 7.8 6.4 2.7 2.2 1.2 -1.4 2.3 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 27 STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 MET. AVERAGE OF MIXING RATIO IN G/KG YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1992 2.41 2.98 3.24 5.49 7.74 7.67 8.46 8.42 4.76 4.21 4.65 3.85 5.32 1993 2.98 3.43 4.11 6.19 8.14 8.94 8.35 6.54 4.70 5.08 5.67 5.11 5.77 1994 4.76 4.20 5.37 7.25 7.65 7.31 8.84 6.59 6.28 7.43 6.39 3.38 6.29 1995 4.40 4.29 4.86 6.62 8.78 8.80 8.10 7.14 6.13 4.28 4.58 3.64 5.97 1996 3.90 4.71 4.98 5.93 7.43 7.05 7.67 5.61 5.20 5.24 4.28 4.95 5.58 1997 3.88 2.80 4.11 5.54 7.43 6.80 7.89 7.94 6.23 7.72 5.92 4.57 5.90 1998 3.16 3.29 4.69 6.25 7.47 7.31 8.93 8.20 6.60 4.82 5.00 4.00 5.81 1999 4.32 4.21 4.01 5.01 5.84 6.07 7.20 7.63 5.51 5.46 5.16 4.31 5.39 2000 3.33 3.50 4.03 6.29 6.04 6.14 6.99 7.24 5.11 5.72 4.95 4.43 5.31 MEAN 3.68 3.71 4.38 6.06 7.39 7.34 8.05 7.26 5.61 5.55 5.18 4.25 5.71 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 28 STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 MET. AVERAGE OF VAPOUR PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1992 3.25 4.03 4.37 7.44 10.50 10.43 11.49 11.44 6.50 5.74 6.30 5.21 7.23 1993 4.03 4.64 5.58 8.40 11.03 12.14 11.38 8.93 6.42 6.91 7.67 6.92 7.84 1994 6.44 5.68 7.27 9.82 10.38 9.95 12.04 8.99 8.56 10.07 8.65 4.57 8.53 1995 5.95 5.81 6.59 8.97 11.90 11.94 11.04 9.75 8.36 5.83 6.21 4.93 8.11 1996 5.28 6.38 6.74 8.04 10.10 9.60 10.46 7.68 7.10 7.13 5.80 6.71 7.58 1997 5.25 3.79 5.56 7.52 10.10 9.26 10.76 10.83 8.50 10.47 8.01 6.18 8.02 1998 4.27 4.46 6.35 8.48 10.14 9.97 12.16 11.18 9.00 6.57 6.79 5.42 7.90 1999 5.84 5.70 5.44 6.81 7.95 8.28 9.82 10.42 7.53 7.44 6.99 5.83 7.34 2000 4.50 4.74 5.46 8.54 8.22 8.38 9.55 9.89 6.97 7.77 6.71 6.00 7.23 MEAN 4.98 5.02 5.93 8.22 10.03 10.00 10.97 9.90 7.66 7.55 7.02 5.75 7.75 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 29 STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 MET. AVERAGE OF SATURATION DEFICIT PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1992 1.13 1.14 1.27 5.03 8.01 17.15 24.13 23.11 20.62 12.58 4.62 1.87 10.05 1993 1.87 2.75 4.42 6.27 8.40 17.59 27.83 29.04 24.02 12.58 2.52 1.82 11.59 1994 1.83 1.89 3.64 7.66 11.87 21.44 27.66 28.73 21.28 8.74 2.84 1.21 11.57 1995 2.13 3.10 4.62 5.46 9.71 17.24 26.37 29.52 20.24 12.57 5.06 2.12 11.51 1996 1.16 2.56 2.66 6.31 13.74 21.59 31.08 31.60 21.86 11.62 6.26 3.16 12.80 1997 2.23 1.39 2.33 7.15 11.40 21.72 25.92 26.15 18.30 8.46 3.35 1.58 10.83 1998 0.65 1.66 3.28 7.94 12.52 25.25 27.49 30.07 20.89 13.42 7.91 5.59 13.06 1999 2.15 3.05 5.86 9.61 16.73 25.46 29.37 32.05 21.47 14.14 3.96 2.59 13.87 2000 1.47 2.25 5.02 9.25 15.33 23.95 34.21 30.95 21.97 9.38 4.35 1.80 13.33 MEAN 1.62 2.20 3.68 7.19 11.97 21.27 28.23 29.02 21.18 11.50 4.54 2.42 12.07 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 30 STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 MET. AVERAGE OF RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1992 74 79 79 67 63 46 40 39 31 39 63 75 58 1993 69 66 64 64 63 50 37 29 28 44 78 82 56 1994 80 77 72 64 55 41 37 31 34 61 78 80 59 1995 76 69 65 68 63 50 37 33 39 39 62 75 56 1996 84 75 75 62 51 37 30 25 32 46 54 72 54 1997 73 76 74 59 55 38 36 36 38 62 74 82 59 1998 87 76 71 60 53 36 36 33 37 40 53 55 53 1999 75 71 55 52 42 31 31 30 33 43 69 73 50 2000 79 72 60 55 45 34 27 30 31 54 67 80 53 MEAN 77 73 68 61 54 40 35 32 34 48 66 75 55 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 31 STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 MET. AVERAGE OF MAXIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1992 84 87 90 88 86 76 67 64 55 64 80 86 77 1993 83 82 85 88 90 84 66 50 50 64 95 94 78 1994 93 91 92 90 86 76 62 56 53 85 93 89 81 1995 91 88 90 92 90 80 64 58 67 66 86 93 80 1996 94 91 90 88 81 63 49 45 55 69 78 87 74 1997 90 88 88 86 84 68 62 59 60 83 92 93 79 1998 93 89 87 89 85 65 55 51 59 62 75 74 74 1999 91 91 85 85 73 56 52 51 55 65 90 91 74 2000 91 90 87 83 79 61 46 50 53 78 89 92 75 MEAN 90 89 88 88 84 70 58 54 56 71 86 89 77 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 32 STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 MET. AVERAGE OF MINIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1992 64 67 66 52 46 27 22 23 17 22 49 65 43 1993 57 52 47 49 43 31 20 16 15 30 64 71 41 1994 67 64 56 45 34 21 21 16 21 45 65 69 44 1995 64 54 49 52 45 31 21 18 23 23 45 60 40 1996 76 63 63 44 33 21 18 13 18 31 38 59 40 1997 60 63 63 40 36 20 21 23 26 47 60 71 44 1998 80 65 58 40 34 20 22 20 24 25 37 42 39 1999 62 57 36 32 23 17 18 18 19 28 52 57 35 2000 67 58 41 38 24 18 15 18 18 37 51 68 38 MEAN 66 60 53 44 35 23 20 18 20 32 51 62 40 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 33 STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 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 10 19 12 6 7 1 0 0 0 0 8 11 74 1993 5 7 7 10 4 1 0 0 0 3 11 5 53 1994 9 11 5 8 3 0 0 0 0 5 14 9 64 1995 5 8 5 10 7 1 0 0 1 0 5 2 44 1996 7 8 13 7 1 0 0 0 0 2 0 5 43 1997 5 7 10 7 4 0 0 0 0 3 6 7 49 1998 16 7 9 5 1 0 1 0 0 0 1 1 41 1999 6 7 3 4 0 0 0 0 0 2 4 4 30 2000 8 6 6 4 2 0 0 0 1 2 2 10 41 MEAN 8 9 8 7 3 0 0 0 0 2 6 6 49 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 34 STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 MET. HIGHEST AND LOWEST LIMITS FOR 9 YEARS DURING 1992-2000 ELE- JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MENT --------------------------------------------------------------------------------------------- NO. HIG. DRY 03 7.4 12.2 12.0 21.0 18.0 26.8 27.0 26.4 24.6 16.6 16.8 15.4 1 YEAR - DAY 1995-11 1996- 9 1995-25 1993-20 1998-21 1996- 4 1998-20 1999- 3 2000-28 1999-10 1998-10 1998-17 LOW. DRY 03 -25.4 -24.2 -25.4 -6.2 1.6 6.2 10.4 7.0 1.8 -1.4 -12.8 -20.8 2 YEAR - DAY 1992- 9 1997- 7 1992- 2 1992- 3 1995- 9 1996- 7 1992- 1 2000-31 1992-30 2000-29 1992-26 1992-29 HIG. WET 03 6.2 7.0 8.8 13.4 14.2 15.2 18.8 16.4 15.4 12.4 14.0 8.4 3 YEAR - DAY 1994- 4 1996- 9 2000-23 1996-22 1998-12 1996- 4 1992- 8 2000-11 1994- 1 1994-15 1993- 2 1998- 1 LOW. WET 03 -25.4 -24.2 -25.4 -6.2 1.2 3.8 5.6 2.8 -0.8 -2.4 -12.8 -21.0 4 YEAR - DAY 1992- 9 1997- 7 1992- 2 1992- 3 1999-22 1996- 7 1995-14 2000-31 1992-30 1992-31 1992-26 1992-29 HIG. DRY 09 13.4 13.8 20.4 26.2 33.2 34.4 38.0 37.2 35.2 30.4 22.0 17.2 5 YEAR - DAY 1994- 3 1993-28 1993-31 1997-27 1999-30 1998-23 2000-17 1998-16 1995- 3 1999- 3 1998- 9 1998-17 LOW. DRY 09 -11.4 -9.2 -7.8 0.8 8.0 14.0 24.6 24.6 10.0 10.0 -5.0 -10.4 6 YEAR - DAY 1992- 9 1997- 1 1992- 1 1997-10 1992- 6 1992- 2 1998-28 1992-29 1995-20 1994-18 1995-26 1992-29 HIG. WET 09 8.8 9.0 13.8 16.4 19.0 22.8 31.4 21.0 18.8 22.4 13.0 9.0 7 YEAR - DAY 1994- 2 1996- 9 1994-31 1997-26 1998-10 1993- 8 1992- 8 1998-11 1998-13 1992-15 1993- 1 1998-30 LOW. WET 09 -11.8 -10.0 -8.6 -1.0 7.4 11.0 14.0 14.2 9.4 6.6 -5.2 -10.8 8 YEAR - DAY 1992- 9 1997- 2 1992- 1 1997-10 1992- 6 1996- 6 1992-30 2000-31 1995-20 1996-28 1992-27 1992-29 HIG. DRY 15 9.8 11.4 20.8 24.4 32.8 34.4 37.2 36.8 35.0 26.6 19.0 16.2 9 YEAR - DAY 1994- 3 2000-24 1993-31 1994-22 1999-30 1998-27 1993-16 1996- 2 1995- 2 1996- 3 1995- 1 1998-10 LOW. DRY 15 -16.4 -13.2 -7.4 1.4 6.8 15.6 17.0 25.0 14.4 8.8 -7.4 -12.8 10 YEAR - DAY 1992- 4 1992-29 1992- 2 1992- 1 1992- 6 1995- 2 1999-15 1992-28 1995-20 1993-31 1992-26 1994- 6 HIG. WET 15 8.4 8.4 14.4 17.0 20.4 29.0 24.0 30.0 20.4 17.0 12.0 8.2 11 YEAR - DAY 1994- 2 1996- 9 1994-29 1997-26 1998- 9 1996-26 1998-16 1992-10 1995- 2 1994- 2 1993- 1 1998-10 LOW. WET 15 -16.6 -13.8 -8.4 -0.4 6.6 11.4 14.0 13.4 7.8 5.4 -8.4 -13.8 12 YEAR - DAY 1992- 4 1992-29 1992- 2 1997-10 1992- 6 1997- 2 1996-15 2000-30 1992-30 1995-20 1992-26 1994- 6 HIG. MIN. 5.6 5.0 9.2 14.6 16.8 26.2 26.6 24.6 18.2 15.5 12.4 9.6 13 YEAR - DAY 1994- 3 1996-21 2000-23 1994-23 1999-14 1996- 4 1998-20 2000-12 1994- 2 1996-13 1998-10 1998- 1 LOW. MIN. -27.5 -25.2 -26.5 -6.5 0.4 4.5 6.0 7.0 1.5 -1.8 -13.5 -23.5 14 YEAR - DAY 1992- 9 1997- 7 1992- 2 1992- 3 1995- 9 1996- 6 1993- 3 2000-31 1992-30 1996-28 1992-26 1992-29 HIG. MAX. 18.0 16.0 22.6 27.8 35.0 36.6 40.5 39.6 37.5 32.0 23.0 21.0 15 YEAR - DAY 2000- 1 1999- 1 1999-31 1997-27 1999-30 2000-30 1993-16 1999- 2 1995- 2 1999- 2 1998- 5 1998- 9 LOW. MAX. -6.5 -4.2 -4.5 2.8 14.4 21.4 29.0 29.2 19.4 12.5 -0.5 -4.2 16 YEAR - DAY 1992- 4 1997- 7 1992- 1 1997-10 1993- 7 1992- 2 1995- 2 1992-30 2000-29 1994-18 1992-27 1994- 7 HIG. PPTN 71.0 72.0 103.0 131.0 61.0 14.0 6.8 0.6 12.0 46.0 91.0 53.0 17 YEAR - DAY 1994- 4 1999-20 1998-17 1996-13 1995- 5 1992- 2 1998-29 1999-29 2000-29 1994-31 1992- 8 1992- 3 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 35 STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 MET. HIGHEST LIMITS OF ABSOLUTE DIFFERENCES FOR 9 YEARS DURING 1992-2000 ELE- JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MENT --------------------------------------------------------------------------------------------- NO. DRY 09 - DRY 03 21.0 16.8 20.0 19.2 22.0 22.0 26.0 23.4 23.4 22.8 20.6 17.4 18 YEAR - DAY 1992-11 1997- 7 1992- 2 1999-24 1999-23 2000- 3 1992- 4 1996-20 1995-14 1998-16 1992- 3 1999-31 DRY 15 - DRY 09 10.2 9.4 6.8 8.6 8.0 9.4 8.0 5.6 5.4 8.0 7.0 10.6 19 YEAR - DAY 1992-11 1992-29 1992-27 1996- 2 1995-27 1995- 2 1999-15 1993-27 1993-20 1996-24 1998- 6 1996-29 DRY 15 - DRY 03 14.8 16.6 18.8 19.2 21.0 22.8 23.2 23.0 23.0 20.6 17.8 17.4 20 YEAR - DAY 1997-30 1997-12 2000-17 2000-17 1999-23 2000-22 1997-31 1996-20 1999- 7 1998-13 1996- 5 1998-23 WET 09 - WET 03 18.0 15.8 18.8 9.6 10.2 10.8 20.8 11.6 13.6 20.4 12.4 11.6 21 YEAR - DAY 1992-11 1997- 7 1992- 2 1993-15 1996-27 1996- 3 1992- 6 1995-27 1997-22 1992-15 1992- 1 1998- 5 WET 15 - WET 09 7.8 9.0 5.4 3.8 4.8 11.6 13.0 12.0 3.2 12.4 6.0 7.2 22 YEAR - DAY 1992-11 1992-29 1993-11 1997-14 1992-16 1996-26 1992- 6 1992-10 1999- 4 1992-15 1995-11 1994- 6 WET 15 - WET 03 13.6 14.6 17.0 12.0 11.8 16.2 12.6 18.8 12.6 12.6 12.4 13.4 23 YEAR - DAY 1992-13 1997-12 1992- 2 2000-17 1999-23 1996-26 1997-19 1992-10 1997-17 1997-17 1996- 5 1992-29 DAY BY DAY DRY 03 21.4 14.8 13.8 18.6 13.0 16.8 11.2 8.8 18.6 11.4 16.0 14.2 24 YEAR - DAY 1992- 9 1992-16 1992- 5 1993-21 2000- 4 1996- 4 2000- 4 1996-16 2000-28 1995-31 1995-12 1992-30 DAY BY DAY WET 03 21.0 14.1 13.2 10.2 8.2 9.0 9.6 7.6 10.8 9.2 11.9 13.4 25 YEAR - DAY 1992- 9 1997- 4 1992- 5 1996-23 2000- 4 1999- 5 1992- 8 1993-23 2000-28 1996-28 1995-12 1992-30 DAY BY DAY DRY 09 9.6 9.8 10.2 14.0 12.2 11.0 8.0 5.2 16.2 8.0 9.2 9.8 26 YEAR - DAY 1992-14 1996- 8 1994-12 1995- 4 1995-28 1992- 2 1998-28 1996-22 1995-20 1998- 9 1995- 2 1997- 9 DAY BY DAY WET 09 10.0 8.0 7.4 7.0 6.2 6.5 15.0 3.2 5.4 11.0 6.6 7.8 27 YEAR - DAY 1992-14 1997- 1 1992-27 1995- 4 1998-13 1996-28 1992- 9 1999-31 1995-20 1992-16 1993-14 1994- 4 DAY BY DAY DRY 15 10.8 9.4 9.0 10.4 10.4 9.8 12.6 6.4 11.0 7.4 10.4 8.6 28 YEAR - DAY 1992- 4 1997- 4 1999-16 1993-20 1999- 7 1995- 2 1999-15 1992-28 1995-20 1995- 4 1995-11 1997- 9 DAY BY DAY WET 15 10.4 9.3 7.6 6.8 6.0 10.8 6.2 14.4 3.6 5.4 9.6 6.7 29 YEAR - DAY 1992- 7 1997- 4 1992- 5 2000-10 1994-30 1996-26 1994-13 1992-11 1993-29 1995- 4 1995-11 1994-21 DAY BY DAY MIN. 16.6 14.8 13.5 9.2 12.2 17.7 10.2 9.0 13.4 10.8 12.4 13.0 30 YEAR - DAY 2000-17 1992-20 1992-10 2000-16 2000- 4 1996- 4 1998-20 1996-16 1993-25 1996-28 1996- 6 1992-30 DAY BY DAY MAX. 8.5 10.3 7.2 8.8 10.6 5.1 6.5 4.1 5.2 7.0 8.1 10.0 31 YEAR - DAY 1992-31 1996- 8 1999-30 1997-28 1995-28 1992- 2 1992- 1 1996-22 2000-29 1994-19 1995-27 1997- 9 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 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. -6.4 -2.9 -2.6 8.8 14.4 19.2 23.3 23.8 18.9 13.3 7.1 1.6 9.9 AVERAGE OF MINIMUM TEMPERATURE IN C. -12.1 -7.6 -9.4 2.9 7.9 10.2 12.4 14.0 8.3 2.6 0.1 -2.7 2.2 AVERAGE OF MAXIMUM TEMPERATURE IN C. -0.6 1.9 4.1 14.6 20.9 28.2 34.3 33.5 29.6 24.1 14.0 6.0 17.6 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.5 9.5 13.5 11.7 13.0 18.0 21.9 19.5 21.3 21.5 13.9 8.7 15.3 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.25 2.80 2.58 5.23 7.53 8.10 7.99 8.03 4.97 3.66 4.22 3.68 5.09 MEAN OF MIXING RATIO AT 09 GMT. 2.64 3.21 3.58 5.40 8.04 7.26 9.17 7.99 4.47 4.78 5.03 4.14 5.48 MEAN OF MIXING RATIO AT 15 GMT. 2.34 3.03 3.42 5.84 7.67 7.53 8.22 9.23 4.84 4.20 4.69 3.73 5.39 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -27.5 -20.0 -26.5 -6.5 2.5 7.0 8.3 10.4 1.5 -1.2 -13.5 -23.5 -27.5 DAY 9 17 2 3 5 5 1 27 30 29 26 29 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 4.5 8.0 9.5 20.7 29.5 32.4 38.5 35.8 34.2 27.0 21.6 13.2 38.5 DAY 15 24 29 12 29 29 1 5 3 4 4 15 24 HOUR MAXIMUM PRECIPITATION IN MM. 38.0 50.0 63.0 25.0 40.0 14.0 0.0 0.0 0.0 0.0 91.0 53.0 91.0 DAY 21 24 23 18 6 2 ** ** ** ** 8 3 MONTHLY TOTAL PRECIPITATION IN MM. 206.0 332.5 172.6 85.9 89.4 18.7 0.0 0.0 0.0 0.0 207.1 164.1 1276.3 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 55.7 15.2 0.0 29.1 NO. OF DAYS WITH PRECIPITATION. 19 23 15 8 13 6 0 0 0 0 15 15 114 NO. OF DAYS PRECIPITATION EQUAL 18 20 15 7 10 2 0 0 0 0 13 12 97 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 7 10 4 5 2 1 0 0 0 0 6 4 39 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 81 86 88 86 86 76 67 62 55 63 79 84 76 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 70 71 70 54 51 30 27 26 18 25 54 70 47 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 72 80 78 61 51 31 25 29 21 28 57 71 50 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 22 20 22 1 0 0 0 0 0 0 4 8 77 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 18 10 2 0 0 0 0 0 0 0 1 3 34 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 12 31 29 15 0 0 0 87 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 31 28 30 8 0 0 0 0 0 5 16 23 141 DATE OF START AND END FREEZING START = 4 OCT. END = 8 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 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. -1.0 1.7 5.7 11.3 15.2 19.8 24.6 24.8 20.3 14.9 6.8 5.1 12.4 AVERAGE OF MINIMUM TEMPERATURE IN C. -6.6 -3.1 -0.4 5.1 8.7 10.0 14.2 15.1 9.0 6.3 1.4 -0.2 5.0 AVERAGE OF MAXIMUM TEMPERATURE IN C. 4.6 6.5 11.8 17.6 21.7 29.6 35.1 34.5 31.6 23.6 12.1 10.3 19.9 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.2 9.6 12.2 12.5 13.0 19.6 20.9 19.4 22.6 17.3 10.7 10.5 15.0 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.85 3.33 3.91 5.99 8.35 9.26 9.09 6.78 4.46 4.70 5.16 4.48 5.70 MEAN OF MIXING RATIO AT 09 GMT. 3.22 3.54 4.15 6.23 7.62 8.36 8.08 6.59 4.85 5.14 6.00 5.32 5.76 MEAN OF MIXING RATIO AT 15 GMT. 2.87 3.41 4.29 6.36 8.44 9.21 7.89 6.23 4.78 5.39 5.84 5.55 5.86 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -16.0 -14.7 -4.5 1.7 3.0 7.0 6.0 10.0 3.6 3.4 -10.0 -3.0 -16.0 DAY 17 16 15 13 1 6 3 22 25 30 14 6 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 10.5 15.0 22.5 25.5 26.5 35.2 40.5 38.0 35.0 28.4 20.4 15.2 40.5 DAY 8 27 31 17 31 30 16 2 1 1 8 22 24 HOUR MAXIMUM PRECIPITATION IN MM. 58.0 36.0 34.0 35.0 26.0 10.0 0.1 0.0 0.0 44.0 67.0 37.0 67.0 DAY 8 2 8 25 13 1 29 ** ** 29 12 8 MONTHLY TOTAL PRECIPITATION IN MM. 122.2 124.1 137.2 162.9 67.4 11.0 0.1 0.0 0.0 65.6 308.9 117.3 1116.7 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 34.3 21.6 0.0 44.0 NO. OF DAYS WITH PRECIPITATION. 13 12 14 14 13 2 1 0 0 5 15 9 98 NO. OF DAYS PRECIPITATION EQUAL 9 9 13 12 10 2 0 0 0 4 14 7 80 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 4 4 4 6 2 1 0 0 0 2 9 4 36 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 82 79 83 86 89 84 66 50 50 64 93 94 77 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 61 57 52 52 46 32 23 19 16 31 68 73 44 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 64 60 55 55 55 35 22 18 18 36 74 80 48 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 18 8 1 0 0 0 0 0 0 0 2 0 29 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 2 0 0 0 0 2 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 1 1 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 13 31 31 23 0 0 0 98 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. 29 22 18 0 0 0 0 0 0 0 12 17 98 DATE OF START AND END FREEZING START = 13 NOV. END = 26 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 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. 4.3 3.0 7.3 13.8 16.5 20.9 25.3 23.9 21.5 15.3 8.6 -1.5 13.3 AVERAGE OF MINIMUM TEMPERATURE IN C. -0.1 -1.2 1.7 6.8 8.5 11.1 16.0 13.1 12.7 8.1 4.0 -6.3 6.2 AVERAGE OF MAXIMUM TEMPERATURE IN C. 8.8 7.3 13.0 20.7 24.5 30.7 34.7 34.8 30.3 22.4 13.2 3.3 20.3 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.9 8.5 11.3 13.9 16.0 19.6 18.7 21.7 17.6 14.3 9.2 9.6 14.1 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.38 4.03 4.93 6.97 7.70 8.34 8.91 6.57 6.46 7.21 6.04 3.09 6.22 MEAN OF MIXING RATIO AT 09 GMT. 4.84 4.10 5.28 6.97 7.55 7.09 9.32 7.21 6.43 7.39 6.52 3.64 6.36 MEAN OF MIXING RATIO AT 15 GMT. 5.07 4.47 5.89 7.80 7.68 6.49 8.28 5.98 5.94 7.68 6.62 3.40 6.28 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -4.0 -7.6 -2.0 1.0 3.0 8.0 10.0 8.5 8.0 2.0 -1.8 -21.8 -21.8 DAY 11 4 17 4 17 5 1 20 24 13 10 7 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 13.5 12.6 20.4 27.4 33.5 34.8 37.2 37.6 34.8 27.2 19.0 10.5 37.6 DAY 3 27 31 21 31 9 13 15 1 6 2 2 24 HOUR MAXIMUM PRECIPITATION IN MM. 71.0 26.0 45.0 57.0 15.0 0.0 0.0 0.0 4.0 46.0 52.0 33.0 71.0 DAY 4 13 14 26 6 ** ** ** 29 31 5 20 MONTHLY TOTAL PRECIPITATION IN MM. 239.7 195.4 136.7 168.5 28.0 0.0 0.0 0.0 5.3 140.8 317.0 190.7 1422.1 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 40.2 13.8 0.4 45.6 NO. OF DAYS WITH PRECIPITATION. 15 17 15 12 8 0 0 0 3 8 19 16 113 NO. OF DAYS PRECIPITATION EQUAL 11 15 12 11 3 0 0 0 1 7 17 15 92 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 8 10 3 5 1 0 0 0 0 4 7 8 46 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 92 90 92 88 86 76 61 56 53 85 90 88 80 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 70 66 56 47 39 25 27 21 24 46 67 73 47 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 78 76 68 56 40 23 22 17 24 54 76 77 51 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 2 7 0 0 0 0 0 0 0 0 0 19 28 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 3 0 0 0 0 0 3 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 4 4 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 5 20 31 31 20 0 0 0 107 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. 18 16 14 0 0 0 0 0 0 0 7 25 80 DATE OF START AND END FREEZING START = 9 NOV. END = 25 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 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. 4.0 4.9 7.4 11.2 16.7 20.8 24.2 24.5 19.8 13.4 7.3 1.5 13.0 AVERAGE OF MINIMUM TEMPERATURE IN C. -1.0 -0.5 0.4 4.8 9.3 12.3 14.0 12.8 9.5 3.3 -0.6 -4.9 4.9 AVERAGE OF MAXIMUM TEMPERATURE IN C. 9.0 10.3 14.4 17.5 24.1 29.3 34.4 36.2 30.2 23.5 15.3 8.0 21.0 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.0 10.8 14.0 12.7 14.8 17.0 20.4 23.4 20.7 20.2 15.9 12.9 16.1 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.96 4.10 4.50 6.12 8.45 9.37 8.04 6.58 5.89 4.14 4.43 3.16 5.73 MEAN OF MIXING RATIO AT 09 GMT. 4.53 4.48 4.92 6.64 8.60 8.28 8.58 7.66 6.27 4.35 4.57 3.80 6.06 MEAN OF MIXING RATIO AT 15 GMT. 4.71 4.30 5.16 7.10 9.31 8.73 7.69 7.17 6.23 4.34 4.74 3.97 6.12 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -5.6 -7.2 -4.2 -0.5 0.4 9.5 10.0 9.5 3.4 0.0 -12.6 -9.0 -12.6 DAY 23 10 1 6 9 9 3 26 30 5 26 20 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 14.0 14.2 19.2 22.5 30.0 33.2 38.8 39.0 37.5 30.0 22.6 13.5 39.0 DAY 30 21 24 30 24 28 21 5 2 2 1 30 24 HOUR MAXIMUM PRECIPITATION IN MM. 54.0 47.0 31.0 69.0 61.0 5.0 0.0 0.0 9.0 0.2 24.0 12.0 69.0 DAY 12 5 17 12 5 2 ** ** 20 11 3 12 MONTHLY TOTAL PRECIPITATION IN MM. 133.9 130.0 111.5 244.1 192.1 8.1 0.0 0.0 11.2 0.2 70.7 23.6 925.4 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 40.6 48.0 1.2 10.2 NO. OF DAYS WITH PRECIPITATION. 9 11 13 14 11 3 0 0 2 1 8 5 77 NO. OF DAYS PRECIPITATION EQUAL 7 10 11 13 10 3 0 0 2 0 8 3 67 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 4 6 4 7 6 0 0 0 0 0 3 1 31 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 89 86 90 89 89 80 64 58 66 65 84 92 79 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 67 62 52 54 47 33 26 21 26 24 46 60 43 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 73 60 55 62 53 36 21 19 26 29 56 72 47 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 3 2 1 0 0 0 0 0 0 0 10 21 37 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 1 0 0 0 0 0 1 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 1 0 1 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 1 13 29 31 16 1 0 0 91 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. 22 20 16 1 0 0 0 0 0 2 18 31 110 DATE OF START AND END FREEZING START = 5 OCT. END = 6 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 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. 0.0 4.9 5.8 11.3 17.7 21.3 27.1 24.7 19.9 14.5 8.1 6.4 13.5 AVERAGE OF MINIMUM TEMPERATURE IN C. -4.6 -0.2 0.8 5.2 9.0 11.6 17.6 13.9 9.4 5.7 -0.6 1.3 5.8 AVERAGE OF MAXIMUM TEMPERATURE IN C. 4.6 10.0 10.8 17.5 26.4 31.0 36.5 35.6 30.3 23.3 16.8 11.4 21.2 DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.2 10.2 10.0 12.3 17.4 19.4 18.9 21.7 20.9 17.6 17.4 10.1 15.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.58 4.35 4.61 6.15 7.54 6.91 7.70 5.42 5.15 4.91 3.78 4.64 5.39 MEAN OF MIXING RATIO AT 09 GMT. 4.17 4.74 5.12 5.56 7.25 6.64 7.57 5.81 5.12 5.46 4.63 5.07 5.60 MEAN OF MIXING RATIO AT 15 GMT. 3.96 5.05 5.20 6.07 7.51 7.61 7.72 5.61 5.32 5.35 4.42 5.15 5.75 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -20.0 -6.0 -2.4 0.5 4.8 4.5 12.2 9.2 5.5 -1.8 -7.2 -5.0 -20.0 DAY 22 3 6 6 2 6 1 27 18 28 14 1 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 12.2 15.8 18.0 24.5 31.0 35.5 38.5 39.5 34.2 31.2 22.0 17.2 39.5 DAY 1 9 30 30 27 29 21 2 1 2 5 5 24 HOUR MAXIMUM PRECIPITATION IN MM. 45.2 58.0 46.1 131.0 8.1 0.0 0.0 0.0 1.0 5.0 0.6 29.0 131.0 DAY 6 2 2 13 11 ** ** ** 3 14 19 21 MONTHLY TOTAL PRECIPITATION IN MM. 210.3 177.1 235.2 238.6 13.8 0.0 0.0 0.0 2.9 11.2 1.9 134.5 1025.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 60.7 24.6 0.3 14.4 NO. OF DAYS WITH PRECIPITATION. 15 16 19 16 6 0 0 0 3 8 4 15 102 NO. OF DAYS PRECIPITATION EQUAL 12 14 16 13 4 0 0 0 2 2 0 10 73 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 7 6 8 6 0 0 0 0 0 0 0 5 32 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 92 88 90 87 81 61 49 45 55 69 76 84 73 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 79 66 67 47 36 24 20 16 18 32 39 62 42 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 81 71 69 53 38 26 21 15 22 37 45 70 46 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 11 4 0 0 0 0 0 0 0 0 5 1 21 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 4 1 0 0 0 0 6 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 1 0 0 0 0 0 0 0 0 0 0 0 1 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 2 20 31 31 20 3 0 0 107 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. 25 16 14 0 0 0 0 0 0 2 21 11 89 DATE OF START AND END FREEZING START = 28 OCT. END = 29 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 MET. MEAN AND EXTREMES FOR THE YEAR 1997 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 2.3 -4.3 2.8 10.6 16.3 20.8 23.5 23.8 18.7 14.7 8.3 3.2 11.7 AVERAGE OF MINIMUM TEMPERATURE IN C. -3.5 -11.6 -1.6 4.3 8.3 10.7 12.9 12.5 8.3 6.3 2.8 -1.0 4.0 AVERAGE OF MAXIMUM TEMPERATURE IN C. 8.1 3.0 7.3 16.9 24.3 30.9 34.1 35.0 29.1 23.1 13.9 7.4 19.4 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.6 14.6 8.9 12.6 16.0 20.2 21.2 22.5 20.8 16.8 11.1 8.4 15.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.52 2.25 3.80 5.64 7.24 7.20 7.54 6.66 5.13 6.26 5.52 4.19 5.41 MEAN OF MIXING RATIO AT 09 GMT. 4.03 3.06 4.20 5.23 7.32 6.70 8.48 8.85 6.82 8.63 6.08 4.76 6.18 MEAN OF MIXING RATIO AT 15 GMT. 4.08 3.09 4.33 5.75 7.75 6.48 7.66 8.32 6.75 8.26 6.15 4.75 6.12 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -15.8 -25.2 -13.6 -4.0 3.4 5.5 9.0 10.0 4.6 2.4 -3.2 -6.6 -25.2 DAY 30 7 8 11 6 4 18 16 16 8 29 22 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 14.2 11.0 15.2 27.8 30.5 35.2 37.7 38.6 32.2 29.0 17.2 16.0 38.6 DAY 7 21 31 27 27 28 30 25 20 16 3 8 24 HOUR MAXIMUM PRECIPITATION IN MM. 45.0 17.0 67.0 35.0 32.0 0.8 1.0 0.0 0.0 14.0 53.0 43.0 67.0 DAY 27 24 19 9 4 6 4 ** ** 23 5 10 MONTHLY TOTAL PRECIPITATION IN MM. 136.4 69.6 293.6 153.9 62.9 0.8 1.0 0.0 0.0 35.2 194.4 172.2 1120.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 44.6 19.4 0.1 35.9 NO. OF DAYS WITH PRECIPITATION. 7 11 17 12 8 1 1 0 0 9 11 12 89 NO. OF DAYS PRECIPITATION EQUAL 6 8 14 12 5 0 1 0 0 5 9 12 72 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 5 2 9 5 2 0 0 0 0 1 6 5 35 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 90 87 86 85 83 68 62 59 60 83 91 92 79 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 62 69 68 44 40 24 25 26 26 47 61 74 47 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 67 71 68 49 42 23 22 24 29 56 70 78 50 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 13 22 9 1 0 0 0 0 0 0 0 6 51 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 1 8 1 0 0 0 0 0 0 0 0 0 10 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 2 21 31 31 13 0 0 0 98 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. 25 25 22 5 0 0 0 0 0 0 10 19 106 DATE OF START AND END FREEZING START = 16 NOV. END = 14 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 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. -3.9 -0.7 5.7 12.5 16.6 22.6 25.9 25.7 20.2 14.9 11.1 7.3 13.2 AVERAGE OF MINIMUM TEMPERATURE IN C. -8.6 -5.6 0.8 5.5 8.5 11.9 16.6 15.1 9.5 4.5 2.3 -0.3 5.0 AVERAGE OF MAXIMUM TEMPERATURE IN C. 0.8 4.1 10.5 19.5 24.8 33.3 35.3 36.3 30.8 25.3 19.8 14.9 21.3 DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.4 9.7 9.7 14.0 16.3 21.4 18.7 21.2 21.3 20.8 17.5 15.2 16.3 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.82 2.98 4.46 6.13 7.61 7.55 8.43 7.24 5.60 4.08 4.37 3.52 5.40 MEAN OF MIXING RATIO AT 09 GMT. 3.38 3.39 4.83 5.96 7.31 7.12 9.40 8.43 7.26 5.07 5.31 4.23 5.97 MEAN OF MIXING RATIO AT 15 GMT. 3.28 3.52 4.77 6.65 7.48 7.26 8.96 8.92 6.95 5.32 5.32 4.24 6.06 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -22.4 -15.8 -6.4 1.0 3.6 8.0 10.6 10.5 5.0 0.0 -1.4 -6.6 -22.4 DAY 15 17 3 25 1 3 7 17 27 25 26 23 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 4.4 11.6 16.6 27.0 31.6 36.0 38.0 39.4 36.0 29.6 23.0 21.0 39.4 DAY 26 7 26 15 9 23 16 29 1 6 5 9 24 HOUR MAXIMUM PRECIPITATION IN MM. 28.4 36.0 103.0 31.0 11.0 0.3 6.8 0.0 0.0 0.8 6.0 7.0 103.0 DAY 30 8 17 4 13 20 29 ** ** 31 16 27 MONTHLY TOTAL PRECIPITATION IN MM. 226.3 107.0 335.4 86.4 29.7 0.3 11.3 0.0 0.0 1.3 9.3 11.2 818.2 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 81.7 14.2 1.4 2.7 NO. OF DAYS WITH PRECIPITATION. 17 15 16 11 9 1 3 0 0 2 5 4 83 NO. OF DAYS PRECIPITATION EQUAL 16 14 13 6 7 0 2 0 0 0 2 2 62 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 10 4 8 4 1 0 0 0 0 0 0 0 27 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 91 85 86 87 85 65 55 51 59 62 75 73 73 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 85 69 63 41 37 22 27 22 25 26 38 44 42 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 85 73 62 50 39 22 25 24 26 32 46 49 44 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 18 18 3 0 0 0 0 0 0 0 0 8 47 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 3 1 0 0 0 0 4 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 8 2 0 0 0 0 0 0 0 0 0 0 10 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 6 27 31 31 19 0 0 0 114 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 16 0 0 0 0 0 0 1 12 18 102 DATE OF START AND END FREEZING START = 25 OCT. END = 26 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 MET. MEAN AND EXTREMES FOR THE YEAR 1999 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 3.7 4.5 7.4 11.9 17.2 22.2 25.5 26.7 19.9 16.1 7.9 4.6 14.0 AVERAGE OF MINIMUM TEMPERATURE IN C. -1.3 -1.6 0.7 4.3 7.6 12.4 16.1 16.6 9.4 7.1 1.6 -1.7 5.9 AVERAGE OF MAXIMUM TEMPERATURE IN C. 8.7 10.5 14.1 19.6 26.8 32.0 35.0 36.8 30.5 25.0 14.1 10.9 22.0 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.0 12.1 13.4 15.3 19.2 19.6 18.9 20.2 21.1 17.9 12.5 12.6 16.1 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.97 3.87 4.20 5.42 6.03 6.82 7.50 7.47 5.03 4.96 4.80 3.84 5.33 MEAN OF MIXING RATIO AT 09 GMT. 4.44 4.32 3.73 4.85 5.54 5.89 7.24 7.49 5.79 5.57 5.30 4.43 5.38 MEAN OF MIXING RATIO AT 15 GMT. 4.55 4.45 4.10 4.76 5.94 5.49 6.84 7.93 5.71 5.85 5.38 4.65 5.47 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -7.0 -7.0 -4.4 0.2 2.0 7.0 10.0 9.0 6.0 1.6 -3.2 -6.0 -7.0 DAY 4 22 13 10 22 5 4 31 20 14 29 3 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 13.5 16.0 22.6 26.0 35.0 35.5 39.5 39.6 34.5 32.0 19.2 20.0 39.6 DAY 8 1 31 27 30 20 20 2 3 2 7 31 24 HOUR MAXIMUM PRECIPITATION IN MM. 63.0 72.0 16.0 26.0 3.0 0.0 3.0 0.6 0.0 8.0 31.0 44.0 72.0 DAY 9 20 16 2 8 ** 16 29 ** 31 8 16 MONTHLY TOTAL PRECIPITATION IN MM. 121.2 199.1 40.1 56.2 4.3 0.0 3.1 0.6 0.0 17.2 82.7 69.4 593.9 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 60.7 10.2 0.6 28.5 NO. OF DAYS WITH PRECIPITATION. 12 10 8 5 4 0 2 1 0 4 9 7 62 NO. OF DAYS PRECIPITATION EQUAL 11 8 7 5 1 0 1 0 0 3 7 5 48 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 3 5 1 3 0 0 0 0 0 0 3 2 17 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 91 90 84 84 73 56 51 51 55 65 88 90 73 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 64 59 37 36 25 19 21 19 21 28 55 59 37 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 71 64 44 35 27 18 21 21 22 35 63 70 41 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 7 5 2 0 0 0 0 0 0 0 0 9 23 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 1 0 0 0 0 1 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 8 24 30 31 17 3 0 0 113 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. 20 20 16 0 0 0 0 0 0 0 10 25 91 DATE OF START AND END FREEZING START = 4 NOV. END = 24 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 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. -1.6 1.2 5.7 13.5 17.1 21.2 27.3 25.8 19.8 13.3 7.4 3.2 12.8 AVERAGE OF MINIMUM TEMPERATURE IN C. -7.3 -4.6 -1.2 6.3 8.1 10.5 17.4 15.6 9.2 5.1 0.3 -1.3 4.8 AVERAGE OF MAXIMUM TEMPERATURE IN C. 4.1 7.1 12.7 20.6 26.0 32.0 37.3 36.0 30.4 21.5 14.6 7.6 20.8 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.4 11.7 13.9 14.3 17.9 21.5 19.9 20.4 21.2 16.4 14.3 8.9 16.0 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.09 3.19 3.98 6.21 6.83 6.32 7.41 6.90 4.70 5.47 4.40 4.10 5.22 MEAN OF MIXING RATIO AT 09 GMT. 3.47 3.56 3.90 6.27 5.65 6.08 6.54 7.41 5.55 5.79 5.27 4.62 5.34 MEAN OF MIXING RATIO AT 15 GMT. 3.42 3.75 4.21 6.39 5.64 6.01 7.01 7.40 5.07 5.89 5.17 4.58 5.38 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -20.8 -13.0 -6.6 -0.2 3.0 7.4 10.0 7.0 5.8 -1.4 -3.8 -11.0 -20.8 DAY 17 9 17 11 12 15 3 31 27 29 29 29 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 18.0 15.0 18.5 25.8 31.4 36.6 40.5 38.7 36.7 26.7 19.6 13.6 40.5 DAY 1 24 29 14 25 30 17 2 9 11 12 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 51.0 34.3 36.0 18.0 15.0 0.0 1.0 0.0 12.0 20.0 7.5 48.0 51.0 DAY 6 14 24 21 19 ** 14 ** 29 16 19 24 MONTHLY TOTAL PRECIPITATION IN MM. 194.0 95.7 107.8 52.6 26.2 0.0 1.7 0.0 15.6 32.2 30.9 184.8 741.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 53.6 10.6 2.3 33.4 NO. OF DAYS WITH PRECIPITATION. 16 12 9 8 5 0 2 0 3 8 8 14 85 NO. OF DAYS PRECIPITATION EQUAL 16 8 7 6 4 0 1 0 2 5 7 13 69 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 6 4 4 2 1 0 0 0 1 1 0 6 25 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 90 90 86 82 79 61 46 50 51 78 88 90 74 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 72 59 43 41 28 21 17 20 22 38 52 70 40 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 76 68 50 43 28 20 18 20 22 45 60 79 44 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 20 15 8 0 0 0 0 0 0 0 0 5 48 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 3 3 0 0 0 0 6 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 3 0 0 0 0 0 0 0 0 0 0 0 3 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 1 26 31 31 23 0 0 0 112 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. 27 25 22 1 0 0 0 0 0 1 16 20 112 DATE OF START AND END FREEZING START = 29 OCT. END = 11 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 MET. MEAN AND EXTREMES FOR THE PERIOD 1992 TO 2000 PAGE 1 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPE. IN C. 0.2 1.4 5.0 11.7 16.4 21.0 25.2 24.9 19.9 14.5 8.1 3.5 12.6 SD OF MEAN DAILY TEMPERATURE IN C. 3.75 3.39 3.19 1.52 1.03 1.04 1.44 1.02 0.81 0.96 1.28 2.71 1.85 AVERAGE OF MINIMUM TEMPERATURE IN C. -5.0 -4.0 -0.9 5.0 8.4 11.2 15.2 14.3 9.5 5.5 1.3 -1.9 4.9 AVERAGE OF MAXIMUM TEMPERATURE IN C. 5.4 6.8 11.0 18.3 24.4 30.8 35.2 35.4 30.3 23.5 14.9 8.9 20.4 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.4 10.7 11.9 13.3 16.0 19.6 19.9 21.1 20.8 18.1 13.6 10.8 15.5 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.39 3.44 4.11 5.99 7.48 7.77 8.07 6.86 5.27 5.05 4.75 3.86 5.50 MEAN OF MIXING RATIO AT 09 GMT. 3.86 3.83 4.42 5.91 7.21 7.05 8.27 7.50 5.84 5.80 5.42 4.45 5.79 MEAN OF MIXING RATIO AT 15 GMT. 3.81 3.90 4.60 6.31 7.50 7.21 7.81 7.43 5.74 5.82 5.38 4.45 5.82 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -27.5 -25.2 -26.5 -6.5 0.4 4.5 6.0 7.0 1.5 -1.8 -13.5 -23.5 -27.5 YEAR - DAY 92- 9 97- 7 92- 2 92- 3 95- 9 96- 6 93- 3 0-31 92-30 96-28 92-26 92-29 92- 9 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 18.0 16.0 22.6 27.8 35.0 36.6 40.5 39.6 37.5 32.0 23.0 21.0 40.5 YEAR - DAY 0- 1 99- 1 99-31 97-27 99-30 0-30 93-16 99- 2 95- 2 99- 2 98- 5 98- 9 93-16 24 HOUR MAXIMUM PRECIPITATION IN MM. 71.0 72.0 103.0 131.0 61.0 14.0 6.8 0.6 12.0 46.0 91.0 53.0 131.0 YEAR - DAY 94- 4 99-20 98-17 96-13 95- 5 92- 2 98-29 99-29 0-29 94-31 92- 8 92- 3 96-13 MONTHLY TOTAL PRECIPITATION IN MM. 176.7 158.9 174.5 138.8 57.1 4.3 1.9 0.1 3.9 33.7 135.9 118.6 1004.4 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 50.8 19.9 0.6 28.7 NO. OF DAYS WITH PRECIPITATION. 14 14 14 11 9 1 1 0 1 5 10 11 91 NO. OF DAYS PRECIPITATION EQUAL 12 12 12 9 6 1 1 0 1 3 9 9 75 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 6 6 5 5 2 0 0 0 0 1 4 4 33 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 89 87 87 86 83 70 58 54 56 70 85 87 76 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 70 64 56 46 39 26 24 21 22 33 53 65 43 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 74 69 61 52 41 26 22 21 23 39 61 72 47 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 13 11 5 0 0 0 0 0 0 0 2 9 40 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 4 2 0 0 0 0 0 0 0 0 0 1 7 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 3 20 31 31 18 1 0 0 104 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. 25 22 19 2 0 0 0 0 0 1 14 21 104 DATE OF START AND END FREEZING START = 4 OCT. END = 14 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION MARIVAN LATITUDE 35 30 N DATA PROCESSING CENTER LONGITUDE 46 10 E ELEVATION 1465 MET. MEAN AND EXTREMES FOR THE PERIOD 1992 TO 2000 PAGE 2 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE DRY BULB TEMPERATURE. IN C. 0.1 1.3 5.3 12.3 17.8 23.3 27.2 26.8 21.7 15.3 8.1 3.2 13.5 AVERAGE DEW POINT TEMPERATURE. IN C. -3.8 -3.4 -1.0 3.7 6.6 6.5 7.8 6.4 2.7 2.2 1.2 -1.4 2.3 AVERAGE OF MIXING RATIO IN G/KG 3.68 3.71 4.38 6.06 7.39 7.34 8.05 7.26 5.61 5.55 5.18 4.25 5.71 AVERAGE OF VAPOUR PRESSURE HPA 4.98 5.02 5.93 8.22 10.03 10.00 10.97 9.90 7.66 7.55 7.02 5.75 7.75 AVERAGE OF SATURATION DEFICIT IN HPA 1.62 2.20 3.68 7.19 11.97 21.27 28.23 29.02 21.18 11.50 4.54 2.42 12.07 AVERAGE RELATIVE HUMIDITY IN PERCENT 77 73 68 61 54 40 35 32 34 48 66 75 55 AVERAGE OF MAXIMUM RELATIVE HUMIDITY(%) 90 89 88 88 84 70 58 54 56 71 86 89 77 AVERAGE OF MINIMUM RELATIVE HUMIDITY(%) 66 60 53 44 35 23 20 18 20 32 51 62 40 NO. OF DAYS PRECIPITATION EQUAL 8 9 8 7 3 0 0 0 0 2 6 6 49 OR MORE THAN 5 MM.