WETS Station : PORCUPINE 16 NW, SD6736 Creation Date: 11/12/2002 Latitude: 4326 Longitude: 10231 Elevation: 2760 State FIPS/County(FIPS): 46113 County Name: Shannon Start yr. - 1971 End yr. - 2000 -------------------------------------------------------------------------| | 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 | 34.2 | 8.5 | 21.3 | 0.41 | 0.13 | 0.47 | 1 | 4.5 | February | 41.2 | 14.3 | 27.8 | 0.47 | 0.17 | 0.60 | 1 | 5.7 | March | 49.9 | 22.4 | 36.1 | 1.00 | 0.46 | 1.17 | 2 | 5.4 | April | 60.5 | 31.4 | 45.9 | 1.93 | 0.99 | 2.79 | 4 | 4.0 | May | 70.9 | 42.8 | 56.8 | 2.81 | 1.88 | 3.50 | 6 | 0.1 | June | 81.4 | 52.2 | 66.8 | 2.95 | 1.92 | 3.81 | 6 | 0.0 | July | 89.0 | 58.0 | 73.5 | 2.59 | 1.68 | 3.16 | 5 | 0.0 | August | 88.7 | 56.2 | 72.5 | 1.57 | 0.86 | 1.79 | 3 | 0.0 | September | 78.5 | 44.2 | 61.4 | 1.43 | 0.54 | 1.96 | 3 | 0.0 | October | 64.8 | 31.5 | 48.1 | 1.48 | 0.71 | 1.66 | 3 | 1.9 | November | 46.6 | 19.5 | 33.0 | 0.61 | 0.27 | 0.76 | 1 | 6.3 | December | 37.3 | 10.0 | 23.6 | 0.38 | 0.16 | 0.53 | 1 | 5.0 | ----------|-------|-------|-------|--------|--------|--------|----|------| ----------|-------|-------|-------|--------|--------|--------|----|------| Annual | ----- | ----- | ----- | ------ | 14.46 | 19.15 | -- | ---- | ----------|-------|-------|-------|--------|--------|--------|----|------| Average | 61.9 | 32.6 | 47.2 | ------ | ------ | ------ | -- | ---- | ----------|-------|-------|-------|--------|--------|--------|----|------| Total | ----- | ----- | ----- | 17.63 | ------ | ------ | 36 | 32.9 | ----------|-------|-------|-------|--------|--------|--------|----|------| -------------------------------------------------------------------------| 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 * | 4/26 to 10/ 1 | 5/ 4 to 9/26 | 5/17 to 9/17 | 158 days | 145 days | 123 days | | | 70 percent * | 4/21 to 10/ 7 | 4/29 to 10/ 1 | 5/12 to 9/22 | 169 days | 156 days | 133 days | | | --------------------------------------------------------------------------- * Percent chance of the growing season occurring between the Beginning and Ending dates. total 1963-2002 prcp Station : SD6736, PORCUPINE 16 NW ------- Unit = inches yr jan feb mar apr may jun jul aug sep oct nov dec annl ------- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- 63 M0.67 0.00 0.18 0.85 64 0.41 0.26 1.75 2.26 9.21 1.40 0.21 0.15 M0.02 0.27 15.94 65 0.32 0.30 M0.50 M2.20 8.41 M1.70 3.96 1.93 1.89 0.95 0.46 0.27 22.89 66 0.14 0.25 0.96 2.36 0.35 0.84 2.50 2.84 1.04 1.15 0.65 0.23 13.31 67 0.12 0.55 1.28 3.60 2.60 6.96 1.65 0.65 1.12 0.29 0.20 1.78 20.80 68 0.70 0.40 1.32 0.44 1.57 6.63 2.46 1.29 0.58 0.56 0.06 0.24 16.25 69 0.06 0.08 0.44 1.49 2.15 2.01 4.37 0.38 0.19 1.30 0.04 0.05 12.56 70 0.07 0.07 1.38 2.73 1.67 2.10 1.05 0.34 1.71 0.79 0.17 0.31 12.39 71 1.37 0.80 0.82 3.58 2.93 1.18 0.66 0.48 2.95 2.11 0.66 0.25 17.79 72 0.13 0.15 0.44 2.77 4.56 3.86 1.90 2.39 0.36 0.32 0.45 0.20 17.53 73 0.26 0.42 2.65 2.71 2.51 1.95 1.49 0.38 3.20 1.13 0.75 0.60 18.05 74 0.50 0.15 0.22 1.81 0.41 0.91 3.17 1.11 0.67 1.10 0.05 0.03 10.13 75 0.58 0.46 1.10 2.42 0.92 4.10 0.85 0.84 0.09 0.48 0.26 0.53 12.63 76 0.00 0.17 0.21 2.27 2.23 1.44 4.49 0.83 0.40 0.77 0.31 0.40 13.52 77 0.16 0.00 3.63 2.00 3.46 2.25 4.92 3.34 1.34 0.79 0.93 0.06 22.88 78 0.07 0.67 0.10 1.66 2.77 0.22 2.44 3.69 0.44 0.47 0.35 0.61 13.49 79 0.34 0.08 0.39 0.50 1.95 3.71 4.14 2.24 0.10 2.26 0.12 0.00 15.83 80 0.02 0.33 0.83 0.86 1.40 1.53 0.72 2.18 1.82 0.32 0.55 10.56 81 0.06 0.03 0.31 0.20 2.58 1.43 3.59 1.21 0.52 1.36 0.07 M0.58 11.94 82 0.26 0.18 0.90 0.35 5.54 3.58 4.92 0.72 1.91 2.87 0.57 0.30 22.10 83 0.07 0.02 1.51 2.03 5.40 3.42 3.48 0.87 0.14 1.00 1.55 0.74 20.23 84 0.13 0.18 0.16 2.31 2.22 3.18 1.99 1.52 0.57 0.53 0.78 0.10 13.67 85 0.34 0.04 0.52 0.92 0.96 1.32 2.17 3.00 1.49 0.76 1.84 0.39 13.75 86 0.05 0.36 1.20 3.67 0.95 4.51 2.35 1.15 3.87 1.92 0.79 0.00 20.82 87 0.00 1.60 1.47 0.20 4.01 1.44 1.14 1.30 0.78 0.57 0.17 0.40 13.08 88 0.21 0.57 0.29 0.59 4.89 2.18 2.09 1.82 1.42 14.06 89 M1.12 1.53 1.11 2.67 0.41 2.85 0.61 M0.21 0.50 11.01 90M0.14 0.37 1.35 0.59 2.52 3.01 3.49 0.96 1.06 0.40 0.28 0.67 14.84 91 0.32 0.71 0.38 2.96 7.42 1.38 0.75 0.01 1.82 1.43 0.00 17.18 92 0.64 0.92 1.39 2.09 1.50 4.46 3.92 1.57 0.55 0.28 1.17 0.34 18.83 93 0.35 M1.00 1.00 2.23 2.55 5.51 3.06 4.66 2.52 1.12 1.18 1.02 26.20 94M0.52 0.60 0.29 1.88 1.45 4.40 3.17 0.66 0.63 3.58 0.10 M0.47 17.75 95 0.31 0.89 0.73 M2.81 4.82 3.79 1.57 0.48 2.48 3.72 0.71 0.29 22.60 96M1.60 0.06 0.91 1.42 5.06 2.41 0.79 M0.84 3.40 2.00 0.51 1.34 20.34 97 1.10 1.06 0.90 3.58 3.97 3.79 4.60 2.04 1.05 2.27 M0.00 0.17 24.53 98 0.25 0.34 M2.13 0.02 3.39 2.46 M4.65 2.91 2.05 4.91 0.99 0.00 24.10 99M0.88 0.45 0.71 3.47 1.93 6.06 2.91 2.33 3.09 0.37 M0.41 0.15 22.76 0M1.11 1.14 2.54 M5.09 2.96 1.93 1.01 0.52 16.30 1 0.92 M1.11 M2.99 1.81 M3.31 3.68 M0.72 M0.61 1.15 0.79 M0.00 17.09 2 ----------