CLIMATE CHARTS

Mcnary Dam, Washington

Latitude: 45.9406 Longitude: -119.2978

Elevation: 360.9 feet (110.0 meters)

Mcnary Dam, Washington Temperature Chart Daily average maximum and minimum temperatures for Mcnary 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 Mcnary Dam, Washington Precipitation Chart Precipitation chart for Mcnary 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 MCNARY DAM, WA Daylight chart for MCNARY DAM, WA. Latitude 45.9. 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 Mcnary Dam, Washington

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 41.1 46.3 56.2 63.9 72.1 79.3 88.2 87.5 78.0 64.6 50.2 39.9
Minimum Temperature °F 30.1 30.7 36.0 41.2 48.0 54.4 60.8 60.5 52.9 43.4 35.8 29.4
Heating Degree Days °F 911 742 586 374 183 47 4 3 68 343 660 941
Cooling Degree Days °F 0 0 0 1 29 103 298 282 81 2 0 0
Precipitation in. 1.08 0.78 0.78 0.61 0.77 0.59 0.18 0.23 0.36 0.62 1.10 1.10

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C 5.1 7.9 13.4 17.7 22.3 26.3 31.2 30.8 25.6 18.1 10.1 4.4
Minimum Temperature °C -1.1 -0.7 2.2 5.1 8.9 12.4 16.0 15.8 11.6 6.3 2.1 -1.4
Heating Degree Days °C 506 412 326 208 102 26 2 2 38 191 367 523
Cooling Degree Days °C 0 0 0 1 16 57 166 157 45 1 0 0
Precipitation cm. 2.74 1.98 1.98 1.55 1.96 1.50 0.46 0.58 0.91 1.57 2.79 2.79
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