WETS Station : MC GRATH WB AIRPORT, AK5769 Creation Date: 08/26/1999 Latitude: 6258 Longitude: 15537 Elevation: 00340 State FIPS/County(FIPS): 02160 County Name: Kuskokwim Start yr. - 1961 End yr. - 1990 -------------------------------------------------------------------------| | Temperature | Precipitation | | (Degrees F.) | (Inches) | |-----------------------|--------------------------------------| | | | | | 30% chance |avg | | | | | | | will have |# of| avg | |-------|-------|-------| |-----------------|days| total| Month | avg | avg | avg | avg | less | more |w/.1| snow | | daily | daily | | | than | than | or| fall | | max | min | | | | |more| | -------------------------------------------------------------------------| January | 0.6 | -17.8 | -8.6 | 0.78 | 0.44 | 0.95 | 2 | 12.5 | February | 8.8 | -14.4 | -2.8 | 0.64 | 0.27 | 0.80 | 1 | 10.7 | March | 23.4 | -2.9 | 10.2 | 0.81 | 0.28 | 1.00 | 2 | 11.9 | April | 37.0 | 16.0 | 26.5 | 0.84 | 0.33 | 1.01 | 2 | 8.8 | May | 54.6 | 34.5 | 44.6 | 0.88 | 0.53 | 1.07 | 2 | 0.9 | June | 65.5 | 45.1 | 55.3 | 1.47 | 1.06 | 1.73 | 4 | 0.0 | July | 68.4 | 49.0 | 58.7 | 2.05 | 1.35 | 2.46 | 6 | 0.0 | August | 63.5 | 45.1 | 54.3 | 2.47 | 1.98 | 2.83 | 7 | 0.0 | September | 52.9 | 35.6 | 44.3 | 2.03 | 0.98 | 2.48 | 5 | 0.7 | October | 31.3 | 18.1 | 24.7 | 1.42 | 0.90 | 1.71 | 4 | 12.1 | November | 12.4 | -3.7 | 4.3 | 1.34 | 0.64 | 1.64 | 3 | 18.4 | December | 2.7 | -14.6 | -6.0 | 1.41 | 0.67 | 1.72 | 4 | 19.7 | ----------|-------|-------|-------|--------|--------|--------|----|------| ----------|-------|-------|-------|--------|--------|--------|----|------| Annual | ----- | ----- | ----- | ------ | 13.12 | 18.01 | -- | ---- | ----------|-------|-------|-------|--------|--------|--------|----|------| Average | 35.1 | 15.8 | 25.5 | ------ | ------ | ------ | -- | ---- | ----------|-------|-------|-------|--------|--------|--------|----|------| Total | ----- | ----- | ----- | 16.14 | ------ | ------ | 42 | 95.7 | ----------|-------|-------|-------|--------|--------|--------|----|------| -------------------------------------------------------------------------| GROWING SEASON DATES --------------------------------------------------------------------------- | Temperature ---------------------|----------------------------------------------------- Probability | 24 F or higher | 28 F or higher | 32 F or higher | ---------------------|-----------------|-----------------|----------------- | Beginning and Ending Dates | Growing Season Length | 50 percent * | 5/ 2 to 9/25 | 5/ 9 to 9/14 | 5/21 to 9/ 1 | 146 days | 129 days | 104 days | | | 70 percent * | 4/29 to 9/28 | 5/ 5 to 9/18 | 5/16 to 9/ 6 | 152 days | 136 days | 112 days | | | --------------------------------------------------------------------------- * Percent chance of the growing season occurring between the Beginning and Ending dates. total 1939-1999 prcp Station : AK5769, MC GRATH WB AIRPORT ------- Unit = inches yr jan feb mar apr may jun jul aug sep oct nov dec annl ------- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- 39 1.39 1.30 1.58 2.01 3.11 1.70 0.34 0.33 11.76 40 2.92 0.56 0.16 0.18 0.41 0.41 0.58 1.29 4.00 1.14 1.37 1.75 14.77 41 0.31 1.54 0.61 0.29 M1.31 2.20 4.75 1.94 0.98 3.21 1.63 2.42 21.19 42 0.49 1.28 0.64 0.62 0.75 1.93 1.65 4.03 2.97 M1.64 M0.57 M0.05 16.62 43M0.46 2.23 M1.62 0.05 1.72 2.23 2.94 4.44 1.80 1.19 M0.55 1.94 21.17 44M0.32 M3.05 M0.80 0.15 1.98 2.17 0.76 5.32 2.11 M1.31 0.62 1.48 20.07 45M0.27 M1.41 1.17 0.36 1.05 1.90 4.03 6.26 3.38 M3.16 0.98 0.22 24.19 46 0.52 0.55 1.71 0.56 1.37 1.92 1.20 3.29 1.95 M4.59 M1.83 M1.63 21.12 47 1.98 1.26 M1.37 0.30 0.53 3.63 3.03 2.11 2.79 0.53 1.46 1.87 20.86 48 1.82 0.42 M2.04 0.35 0.39 1.01 3.35 3.27 2.97 M0.65 1.11 M1.56 18.94 49M2.13 0.70 M1.33 0.17 0.49 2.10 1.87 4.36 1.29 1.30 M2.03 M1.09 18.86 50 1.80 0.07 M0.03 M0.67 0.52 4.36 2.84 2.82 2.13 M0.55 M0.53 M0.98 17.30 51 0.92 M1.44 0.35 1.16 0.72 2.73 1.27 5.46 2.99 0.62 M1.12 1.89 20.67 52M0.31 M0.45 0.98 M0.80 0.68 0.67 2.17 3.14 1.97 1.86 0.95 0.32 14.30 53M0.27 0.97 0.18 0.24 1.98 1.12 1.15 5.86 1.86 0.33 0.21 0.61 14.78 54 0.63 0.28 1.04 0.29 0.34 1.83 4.73 3.22 3.59 0.73 1.85 1.43 19.96 55 0.80 0.96 2.12 0.95 0.37 0.64 3.53 4.08 3.32 1.10 1.05 0.85 19.77 56 1.11 2.59 1.40 0.18 1.27 1.58 1.45 3.49 4.27 1.65 1.22 0.35 20.56 57 3.67 1.11 0.72 0.19 0.82 0.42 0.79 1.21 2.17 1.43 1.53 M0.53 14.59 58M0.36 0.20 0.65 0.36 0.44 1.10 2.88 3.73 2.95 0.81 M0.68 M0.17 14.33 59M0.28 M1.04 M0.04 M0.42 0.35 1.08 2.36 3.20 1.86 0.55 0.60 M0.85 12.63 60 2.09 0.41 M0.00 M1.48 1.67 1.70 4.10 3.49 4.81 0.67 M0.75 M0.22 21.39 61 0.12 0.14 0.00 M1.45 0.24 1.69 3.31 3.02 3.78 1.53 1.28 1.87 18.43 62M0.88 M0.39 M0.44 M0.41 0.32 1.46 0.60 1.85 1.23 0.68 M0.28 M0.32 8.86 63M0.46 M0.10 M1.06 0.69 0.36 1.05 0.78 2.45 0.34 M0.75 M0.02 0.92 8.98 64 M0.87 2.79 0.89 2.44 1.42 1.78 0.69 M1.35 M0.80 M0.33 13.36 65M0.41 M0.52 M1.06 M1.13 0.41 0.83 1.60 3.41 3.63 M0.17 M1.30 M0.40 14.87 66M0.48 M0.80 M0.16 M0.33 0.40 0.86 0.55 2.06 0.48 M0.74 M0.50 M0.20 7.56 67M0.49 0.50 1.76 2.50 0.29 1.93 2.94 3.41 0.26 0.27 M2.99 M1.72 19.06 68 0.99 0.78 0.39 0.30 0.78 1.31 1.38 0.80 M0.84 M0.28 M0.93 8.78 69M0.33 M0.22 M0.37 0.03 0.44 1.20 3.33 2.67 0.19 0.64 M0.42 M0.63 10.47 70M0.19 0.80 1.06 0.87 1.02 1.97 1.62 2.35 0.92 2.21 M2.05 M3.03 18.09 71M0.46 M0.71 M0.12 0.35 1.31 1.03 1.31 2.07 1.61 2.78 M1.22 M4.37 17.34 72M1.21 0.05 M0.32 1.21 0.43 1.80 1.64 2.61 2.53 2.02 M0.50 M1.27 15.59 73M1.27 0.42 M1.13 0.36 0.97 1.60 0.99 3.47 1.61 1.67 M2.01 M0.36 15.86 74 0.37 M0.36 M0.94 0.37 0.30 0.59 1.34 2.02 1.06 2.28 M1.86 M0.35 11.84 75M1.41 M0.51 M0.48 M0.64 0.49 1.31 5.36 2.33 3.14 1.98 M0.26 1.16 19.07 76M1.04 1.33 1.43 0.11 0.96 1.82 0.91 0.50 M1.36 M1.76 M0.30 11.52 77 0.31 M0.44 1.20 1.60 1.35 0.61 0.91 1.46 4.72 0.71 M0.67 M1.62 15.60 78 0.18 0.23 0.15 0.13 0.99 2.96 1.41 2.25 1.19 M1.19 1.98 M3.43 16.09 79 1.10 0.00 M1.24 2.64 0.18 1.12 1.99 1.87 1.82 0.92 M4.34 M1.14 18.36 80 1.66 M0.33 M0.29 0.08 1.25 3.47 2.96 2.46 1.32 0.70 M0.73 M0.18 15.43 81 0.40 1.65 0.13 0.59 0.74 1.99 2.99 2.65 0.71 2.08 M1.49 M0.72 16.14 82 0.51 0.50 M2.39 M0.94 1.17 1.36 3.21 2.73 5.00 2.72 M1.24 M1.03 22.80 83 0.18 M0.11 M0.01 2.55 1.34 1.18 1.34 3.79 2.05 M1.92 0.53 M0.99 15.99 84M1.43 M0.78 1.09 M0.20 1.43 1.24 2.11 2.28 0.57 M0.44 M0.32 M3.54 15.43 85M1.36 1.22 M2.43 0.23 1.07 1.96 1.08 3.06 5.56 2.05 M2.83 M1.20 24.05 86M0.25 M0.08 0.00 0.39 0.67 1.80 3.45 2.66 3.29 1.75 1.79 M0.95 17.08 87 1.51 M0.59 0.12 0.12 1.43 0.51 4.41 1.66 3.34 1.06 M2.08 M1.76 18.59 88 0.62 M0.88 M0.52 0.38 3.07 2.10 0.88 2.71 0.84 1.32 M0.35 M1.51 15.18 89M1.78 M2.49 0.24 1.01 1.18 1.18 2.65 3.92 3.32 M2.31 M1.68 M1.02 22.78 90M1.24 M1.99 2.82 0.68 1.01 0.61 2.16 3.37 3.19 2.03 M1.70 M5.02 25.82 91 0.74 0.32 2.82 0.59 0.26 0.57 2.73 2.96 1.25 1.58 0.62 1.09 15.53 92 0.19 0.69 0.70 0.30 1.50 0.96 3.04 1.93 2.45 0.67 2.87 2.19 17.49 93 3.74 0.79 0.54 0.04 1.14 2.51 0.38 3.96 6.18 2.71 1.84 0.53 24.36 94 1.96 0.47 1.33 0.54 0.26 2.47 1.82 3.48 1.04 0.94 4.20 2.99 21.50 95 0.50 0.54 0.14 0.86 2.10 1.24 2.89 1.57 1.21 1.35 0.11 0.18 12.69 96 1.31 2.83 0.63 0.49 0.69 1.72 2.59 4.25 1.26 0.28 1.05 1.00 18.10 97 0.47 0.89 0.13 0.15 1.01 0.87 0.40 2.49 1.40 0.51 1.26 0.62 10.20 98 0.51 0.04 0.20 1.30 1.25 1.18 5.24 5.41 3.48 0.52 0.80 0.75 20.68 99 ----------