Cold, Dry December Ends a Warm Year in Illinois, Illinois State Water Survey

ISWS Press Release

For Immediate Release January 4, 2017
Cold, Dry December Ends a Warm Year in Illinois
Source:   
Editor:   
Jim Angel, Ph.D. - (217) 333-0729, jimangel@illinois.edu
Lisa Sheppard - (217) 244-7270, sheppard@illinois.edu

CHAMPAIGN, Ill. - The statewide average temperature for December was 28.6 degrees, 1.3 degrees below normal, according to Illinois State Climatologist Jim Angel, Illinois State Water Survey, University of Illinois.


December precipitation was light and below normal across most of Illinois, except for far southern Illinois. The statewide average precipitation was 1.41 inches, 1.28 inches below normal. Precipitation includes rainfall and the water content of snow.

The largest reported precipitation total in December was 6.03 inches in Rosiclare in Hardin County.

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 in McHenry County.

For the year 2016, the statewide average temperature was 54.7 degrees, 2.4 degrees above normal and the 5th warmest year on record. Temperatures were above normal in 10 out of 12 months. The only two months that were colder than normal were May and December.

The statewide average precipitation for 2016 was 39.63 inches, 0.33 inches below normal. Eight out of the 12 months had below-normal precipitation. The year would have been dry except for the record rainfall in July and August.

Annual precipitation was highest in southern Illinois and lowest in western Illinois. In fact, much of western Illinois received precipitation of several inches below normal for the year. The most precipitation reported in Illinois for 2016 was 60.46 inches at Rosiclare in Hardin County.

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.


| News |

Illinois State Water Survey

2204 Griffith Dr
Champaign, IL 61820-7463
217-244-5459
info@isws.illinois.edu

Terms of use. Email the Web Administrator with questions or comments.

© 2017 University of Illinois Board of Trustees. All rights reserved.
For permissions information, contact the Illinois State Water Survey.
Site Map