CLIMATE CHARTS

Polson Kerr Dam, Montana

Latitude: 47.6775 Longitude: -114.2419

Elevation: 2730 feet (832.1 meters)

Polson Kerr Dam, Montana Temperature Chart Daily average maximum and minimum temperatures for Polson Kerr Dam, Montana Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec High & Low Temperature °F  °C -30 -34.4 -20 -28.9 -10 -23.3 0 -17.8 10 -12.2 20 -6.7 30 -1.1 40 4.4 50 10.0 60 15.6 70 21.1 80 26.7 90 32.2 100 37.8 110 43.3 Polson Kerr Dam, Montana Precipitation Chart Precipitation chart for Polson Kerr Dam, Montana Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Precipitation In. Cm. 0.00 0.00 0.10 0.25 0.20 0.51 0.30 0.76 0.40 1.02 0.50 1.27 0.60 1.52 0.70 1.78 0.80 2.03 0.90 2.29 1.00 2.54 Daylight Chart for POLSON KERR DAM, MT Daylight chart for POLSON KERR DAM, MT. Latitude 47.7. Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Sunrise/Sunset Daylight NOON NOON 0 0 2 2 4 4 6 6 8 8 10 10 12 12 14 2 16 4 18 6 20 8 22 10 24 12

Monthly Data Table for Polson Kerr Dam, Montana

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 34.2 38.9 48.8 58.4 66.8 73.4 84.0 83.7 72.1 57.2 41.5 32.3
Minimum Temperature °F 22.3 22.8 28.4 34.6 41.7 48.1 53.4 52.7 44.6 35.4 27.9 21.3
Heating Degree Days °F 1139 956 818 555 338 156 34 39 217 580 909 1184
Cooling Degree Days °F 0 0 0 0 5 29 149 139 18 0 0 0
Precipitation in. 0.90 0.72 0.94 1.33 2.20 2.40 1.20 1.12 1.32 1.18 1.17 1.05

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C 1.2 3.8 9.3 14.7 19.3 23.0 28.9 28.7 22.3 14.0 5.3 0.2
Minimum Temperature °C -5.4 -5.1 -2.0 1.4 5.4 8.9 11.9 11.5 7.0 1.9 -2.3 -5.9
Heating Degree Days °C 633 531 454 308 188 87 19 22 121 322 505 658
Cooling Degree Days °C 0 0 0 0 3 16 83 77 10 0 0 0
Precipitation cm. 2.29 1.83 2.39 3.38 5.59 6.10 3.05 2.84 3.35 3.00 2.97 2.67
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