CLIMATE CHARTS

Ice Harbor Dam, Washington

Latitude: 46.2447 Longitude: -118.8786

Elevation: 368.1 feet (112.2 meters)

Ice Harbor Dam, Washington Temperature Chart Daily average maximum and minimum temperatures for Ice Harbor 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 Ice Harbor Dam, Washington Precipitation Chart Precipitation chart for Ice Harbor 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 ICE HARBOR DAM, WA Daylight chart for ICE HARBOR DAM, WA. Latitude 46.2. 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 Ice Harbor Dam, Washington

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 42.1 47.9 58.0 65.4 73.1 80.0 88.5 88.2 79.5 66.2 51.3 40.7
Minimum Temperature °F 28.6 29.7 35.2 40.8 47.7 54.1 60.0 58.9 50.6 41.1 34.9 27.9
Heating Degree Days °F 919 733 571 358 174 43 3 3 75 355 657 951
Cooling Degree Days °F 0 0 0 1 31 104 290 268 77 3 0 0
Precipitation in. 1.32 0.99 1.15 0.91 1.13 0.81 0.27 0.33 0.41 0.91 1.43 1.39

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C 5.6 8.8 14.4 18.6 22.8 26.7 31.4 31.2 26.4 19.0 10.7 4.8
Minimum Temperature °C -1.9 -1.3 1.8 4.9 8.7 12.3 15.6 14.9 10.3 5.1 1.6 -2.3
Heating Degree Days °C 511 407 317 199 97 24 2 2 42 197 365 528
Cooling Degree Days °C 0 0 0 1 17 58 161 149 43 2 0 0
Precipitation cm. 3.35 2.51 2.92 2.31 2.87 2.06 0.69 0.84 1.04 2.31 3.63 3.53
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