A cold, dry December wrapped up a warm year in Illinois.
The statewide average temperature for December was 28.6 degrees, 1.3 degrees below normal. The statewide average precipitation was 1.41 inches, 1.28 inches below normal.
December precipitation was light and below normal across most of Illinois, except for far southern Illinois. The largest reported precipitation total was 6.03 inches in Rosiclare, an NWS-COOP site in Hardin County. Precipitation includes rainfall and the water content of snow. Click on the images to enlarge.
December snowfall was absent in far southern Illinois and increased northward. Only northern Illinois received above-normal snowfall. The largest monthly snowfall total was 24.3 inches in Bull Valley, a CoCoRaHS station (IL-MCH-13) in McHenry County.
Annual – 2016