CLIMATE CHARTS

Libby Dam Base, Montana

Latitude: 48.4100 Longitude: -115.3181

Elevation: 2109.9 feet (643.1 meters)

Libby Dam Base, Montana Temperature Chart Daily average maximum and minimum temperatures for Libby Dam Base, 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 Libby Dam Base, Montana Precipitation Chart Precipitation chart for Libby Dam Base, 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 LIBBY DAM BASE, MT Daylight chart for LIBBY DAM BASE, MT. Latitude 48.4. 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 Libby Dam Base, Montana

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 34.4 39.7 48.9 58.3 67.9 75.3 84.2 84.0 72.8 57.7 42.0 33.1
Minimum Temperature °F 21.1 21.4 26.3 31.5 38.9 45.5 49.8 48.7 41.1 33.0 27.3 20.5
Heating Degree Days °F 1155 965 849 603 363 165 47 57 252 609 910 1184
Cooling Degree Days °F 0 0 0 0 4 27 109 99 11 0 0 0
Precipitation in. 1.36 1.07 1.08 1.20 1.79 2.30 1.14 0.93 1.20 1.48 1.95 1.59

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C 1.3 4.3 9.4 14.6 19.9 24.1 29.0 28.9 22.7 14.3 5.6 0.6
Minimum Temperature °C -6.1 -5.9 -3.2 -0.3 3.8 7.5 9.9 9.3 5.1 0.6 -2.6 -6.4
Heating Degree Days °C 642 536 472 335 202 92 26 32 140 338 506 658
Cooling Degree Days °C 0 0 0 0 2 15 61 55 6 0 0 0
Precipitation cm. 3.45 2.72 2.74 3.05 4.55 5.84 2.90 2.36 3.05 3.76 4.95 4.04
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