Temperature
This was the 5th warmest November on record for Illinois, based on preliminary data. The statewide average temperature was 47.4 degrees, and 4.9 degrees above normal. Here are the top ten warmest Novembers in Illinois since 1895:
- 2001 with 49.9°F
- 1931 with 49.1°F
- 1909 with 48.8°F
- 1999 with 48.4°F
- 2016 with 47.4°F
- 2009 with 47.2°F
- 1902 with 46.9°F
- 1990 with 46.8°F
- 2015 with 46.6°F
- 1913 with 46.4°F
It was also the 2nd warmest fall on record for Illinois. The statewide average temperature for fall was 59.4 degrees, 5 degrees above normal. Only the fall of 1931 was warmer at 59.8 degrees. The climatological fall months are September, October, and November.
Precipitation
The statewide average precipitation for November was 2.51 inches, 0.96 inches below normal. Here are the maps for the total precipitation and departures from the 1981-2010 normals. Most of the state had below-normal precipitation with the driest spots in southern and western Illinois. The largest monthly total for November was 4.29 inches at the CoCoRaHS station (IL-FD-10) near Gibson City, IL, in Ford County.
The statewide average precipitation for fall was 8.20 inches, 1.74 inches below normal. While dry, it was not close to setting any kind of record. The driest fall on record was 1953 with only 3.93 inches of precipitation.
Snow
Well … not much snow to report in November. Several sites in northern Illinois reported a trace of snow but only one site reported measurable amounts, Wonder Lake in McHenry County with 0.1 inches.
