Decatur Wtp, Illinois

ID: USC00112193 Latitude: 39.8289 Longitude: -88.9506

Elevation: 639.1 feet ( 194.8 meters)

Source: NOAA Climate Normals 1991-2020

DECATUR WTP, IL US, STATE_NAME Temperature Chart Daily average maximum and minimum temperatures for DECATUR WTP, IL US, STATE_NAME 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
DECATUR WTP, IL US, Illinois Precipitation Chart Precipitation chart for DECATUR WTP, IL US, 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 Precipitation Total: 40.44 in., 15.92 cm.
Daylight Chart for Decatur Wtp Daylight chart for Decatur Wtp. Latitude 39.8. 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 Decatur Wtp, Illinois

Monthly Data from NOAA Monthly Normals 2006-2020

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 34.8 37.5 51.4 63.3 73.8 82.8 84.7 83.5 78.0 64.9 50.9 39.2
Minimum Temperature °F 19.7 21.3 33.8 43.3 54.5 63.9 66.6 65.1 58.1 45.5 34.2 25.5
Heating Degree Days °F 1170.0 996.3 698.2 361.4 122.7 5.8 1.8 2.2 55.8 325.6 674.2 1012.0
Cooling Degree Days °F 0.0 0.0 3.6 10.4 96.2 256.1 331.9 290.4 147.1 21.8 0.7 0.0
Precipitation I 2.1 2.3 2.9 4.4 5.0 5.1 4.2 2.9 3.2 3.7 2.8 2.8

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C 1.6 3.1 10.8 17.4 23.2 28.2 29.3 28.6 25.6 18.3 10.5 4.0
Minimum Temperature °C -6.8 -5.9 1.0 6.3 12.5 17.7 19.2 18.4 14.5 7.5 1.2 -3.6
Heating Degree Days °C 632.2 535.7 370.1 183.0 50.4 -14.6 -16.8 -16.6 13.2 163.1 356.8 544.4
Cooling Degree Days °C -17.8 -17.8 -15.8 -12.0 35.7 124.5 166.6 143.6 63.9 -5.7 -17.4 -17.8
Precipitation M 5.5 5.9 7.3 11.3 12.6 13.0 10.6 7.4 8.3 9.3 7.0 7.2
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