September: The Ninth Warmest on Record for Illinois, Illinois State Water Survey

ISWS Press Release

For Immediate Release October 2, 2015
September: The Ninth Warmest on Record for Illinois
Source:   
Editor:   
Jim Angel, Ph.D. - (217) 333-0729, jimangel@illinois.edu
Lisa Sheppard - (217) 244-7270, sheppard@illinois.edu

CHAMPAIGN, Ill. - September 2015 was the ninth warmest September on record for Illinois, according to Illinois State Climatologist Jim Angel, Illinois State Water Survey, University of Illinois. The statewide average temperature was 70.2 degrees, 4 degrees above average.

Accumulated Precipitation (in): Departure from 1981-2010 Normals Aug. 01, 2015 to Aug. 31, 2015
Accumulated Precipitation (in):
Departure from 1981-2010 Normals
Aug. 01, 2015 to Aug. 31, 2015

The warmest September on record was 1933 with 72.2 degrees.

The statewide average precipitation was 3.42 inches, 0.19 inches above average. However, the precipitation was unevenly distributed around the state. Most of the state received between 3 to 5 inches, while western and far southern Illinois were much drier with less than 3 inches of precipitation.

Some of the most sizable monthly precipitation totals were reported in Vermillion County, near Hoopeston, with one station reporting 11.78 inches and another reporting 11.74 inches. The next largest amount in the state was 8.45 inches at the DuPage County airport.

 

The Illinois State Water Survey at the University of Illinois at Urbana-Champaign, a division of the Prairie Research Institute, is the primary agency in Illinois concerned with water and atmospheric resources.


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