CLIMATE CHARTS

Holter Dam, Montana

Latitude: 46.9914 Longitude: -112.0122

Elevation: 3486.9 feet (1062.8 meters)

Holter Dam, Montana Temperature Chart Daily average maximum and minimum temperatures for Holter 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 Holter Dam, Montana Precipitation Chart Precipitation chart for Holter 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 HOLTER DAM, MT Daylight chart for HOLTER DAM, MT. Latitude 47. 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 Holter Dam, Montana

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 38.5 41.6 49.7 58.8 68.3 76.5 86.1 85.6 74.1 60.9 45.9 37.4
Minimum Temperature °F 19.7 21.0 25.9 32.6 39.7 47.1 51.7 50.5 43.2 36.7 28.5 20.4
Heating Degree Days °F 1113 944 843 579 348 138 28 40 215 504 834 1119
Cooling Degree Days °F 0 0 0 1 7 42 149 135 24 2 0 0
Precipitation in. 0.31 0.28 0.58 1.41 2.38 2.45 1.33 1.32 1.38 0.87 0.45 0.40

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C 3.6 5.3 9.8 14.9 20.2 24.7 30.1 29.8 23.4 16.1 7.7 3.0
Minimum Temperature °C -6.8 -6.1 -3.4 0.3 4.3 8.4 10.9 10.3 6.2 2.6 -1.9 -6.4
Heating Degree Days °C 618 524 468 322 193 77 16 22 119 280 463 622
Cooling Degree Days °C 0 0 0 1 4 23 83 75 13 1 0 0
Precipitation cm. 0.79 0.71 1.47 3.58 6.05 6.22 3.38 3.35 3.51 2.21 1.14 1.02
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