CLIMATE CHARTS

Bonneville Dam, Oregon

Latitude: 45.6361 Longitude: -121.9519

Elevation: 62 feet (18.9 meters)

Bonneville Dam, Oregon Temperature Chart Daily average maximum and minimum temperatures for Bonneville Dam, Oregon 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 Bonneville Dam, Oregon Precipitation Chart Precipitation chart for Bonneville Dam, Oregon 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 BONNEVILLE DAM, OR Daylight chart for BONNEVILLE DAM, OR. Latitude 45.6. 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 Bonneville Dam, Oregon

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 44.2 48.1 55.0 60.5 67.3 72.7 79.7 80.4 74.9 63.5 51.4 43.0
Minimum Temperature °F 35.0 35.8 39.0 42.5 47.6 52.9 57.2 57.3 53.0 46.8 40.4 34.5
Heating Degree Days °F 787 645 558 406 249 110 24 17 87 310 573 814
Cooling Degree Days °F 0 0 0 1 15 44 131 137 56 4 0 0
Precipitation in. 10.96 8.79 8.11 6.14 4.07 3.30 0.92 1.10 2.69 6.27 12.64 12.53

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C 6.8 8.9 12.8 15.8 19.6 22.6 26.5 26.9 23.8 17.5 10.8 6.1
Minimum Temperature °C 1.7 2.1 3.9 5.8 8.7 11.6 14.0 14.1 11.7 8.2 4.7 1.4
Heating Degree Days °C 437 358 310 226 138 61 13 9 48 172 318 452
Cooling Degree Days °C 0 0 0 1 8 24 73 76 31 2 0 0
Precipitation cm. 27.84 22.33 20.60 15.60 10.34 8.38 2.34 2.79 6.83 15.93 32.11 31.83
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