CLIMATE CHARTS

Conowingo Dam, Maryland

Latitude: 39.6556 Longitude: -76.1756

Elevation: 40 feet (12.2 meters)

Conowingo Dam, Maryland Temperature Chart Daily average maximum and minimum temperatures for Conowingo Dam, Maryland 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 Conowingo Dam, Maryland Precipitation Chart Precipitation chart for Conowingo Dam, Maryland 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 CONOWINGO DAM, MD Daylight chart for CONOWINGO DAM, MD. Latitude 39.7. 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 Conowingo Dam, Maryland

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 41.8 45.2 53.7 65.2 75.4 84.9 89.6 87.7 80.7 68.8 57.3 46.1
Minimum Temperature °F 22.0 24.1 31.8 41.7 52.2 62.5 66.7 65.3 57.4 45.0 35.0 27.0
Heating Degree Days °F 1026 850 690 356 111 9 0 1 36 271 566 882
Cooling Degree Days °F 0 0 0 10 74 270 408 358 157 20 0 0
Precipitation in. 3.44 2.85 4.25 3.93 3.96 4.18 4.29 3.91 4.95 4.12 3.54 4.03

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C 5.4 7.3 12.1 18.4 24.1 29.4 32.0 30.9 27.1 20.4 14.1 7.8
Minimum Temperature °C -5.6 -4.4 -0.1 5.4 11.2 16.9 19.3 18.5 14.1 7.2 1.7 -2.8
Heating Degree Days °C 570 472 383 198 62 5 0 1 20 151 314 490
Cooling Degree Days °C 0 0 0 6 41 150 227 199 87 11 0 0
Precipitation cm. 8.74 7.24 10.79 9.98 10.06 10.62 10.90 9.93 12.57 10.46 8.99 10.24
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