CLIMATE CHARTS

Gladstone Dam 18, Illinois

Latitude: 40.8822 Longitude: -91.0233

Elevation: 538.1 feet (164.0 meters)

Gladstone Dam 18, Illinois Temperature Chart Daily average maximum and minimum temperatures for Gladstone Dam 18, Illinois 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 Gladstone Dam 18, Illinois Precipitation Chart Precipitation chart for Gladstone Dam 18, Illinois 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 GLADSTONE DAM 18, IL Daylight chart for GLADSTONE DAM 18, IL. Latitude 40.9. 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 Gladstone Dam 18, Illinois

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 32.0 36.8 48.6 61.9 72.2 81.9 85.3 83.6 76.5 64.5 49.8 35.8
Minimum Temperature °F 15.2 19.4 29.5 41.3 51.9 62.0 65.9 64.0 55.2 43.5 32.4 19.3
Heating Degree Days °F 1283 1033 805 410 153 18 1 4 80 353 717 1161
Cooling Degree Days °F 0 0 1 8 61 226 329 277 106 12 0 0
Precipitation in. 1.22 1.47 2.49 3.62 4.38 4.65 4.19 3.75 3.60 2.79 2.62 1.97

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C 0.0 2.7 9.2 16.6 22.3 27.7 29.6 28.7 24.7 18.1 9.9 2.1
Minimum Temperature °C -9.3 -7.0 -1.4 5.2 11.1 16.7 18.8 17.8 12.9 6.4 0.2 -7.1
Heating Degree Days °C 713 574 447 228 85 10 1 2 44 196 398 645
Cooling Degree Days °C 0 0 1 4 34 126 183 154 59 7 0 0
Precipitation cm. 3.10 3.73 6.32 9.19 11.13 11.81 10.64 9.53 9.14 7.09 6.65 5.00
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