CLIMATE CHARTS

Boundary Dam, Washington

Latitude: 48.9947 Longitude: -117.3544

Elevation: 1836.9 feet (559.9 meters)

Boundary Dam, Washington Temperature Chart Daily average maximum and minimum temperatures for Boundary Dam, Washington 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 Boundary Dam, Washington Precipitation Chart Precipitation chart for Boundary Dam, Washington 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 BOUNDARY DAM, WA Daylight chart for BOUNDARY DAM, WA. Latitude 49. 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 Boundary Dam, Washington

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 32.8 38.4 48.0 58.4 66.5 72.2 82.4 83.3 72.4 55.7 40.2 31.5
Minimum Temperature °F 20.4 21.6 27.3 33.0 40.6 47.7 51.2 49.2 41.9 34.3 28.3 19.9
Heating Degree Days °F 1190 980 848 579 360 175 52 56 247 620 923 1218
Cooling Degree Days °F 0 0 0 0 5 23 108 95 11 0 0 0
Precipitation in. 3.03 1.89 2.23 2.19 2.71 3.07 1.63 1.17 1.43 2.10 3.20 3.47

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C 0.4 3.6 8.9 14.7 19.2 22.3 28.0 28.5 22.4 13.2 4.6 -0.3
Minimum Temperature °C -6.4 -5.8 -2.6 0.6 4.8 8.7 10.7 9.6 5.5 1.3 -2.1 -6.7
Heating Degree Days °C 661 544 471 322 200 97 29 31 137 344 513 677
Cooling Degree Days °C 0 0 0 0 3 13 60 53 6 0 0 0
Precipitation cm. 7.70 4.80 5.66 5.56 6.88 7.80 4.14 2.97 3.63 5.33 8.13 8.81
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