Illinois State Water Survey Illinois State Climatologist

4th Coldest Winter in Illinois and What Follows

I have received several questions about whether or not this winter is an indicator of the upcoming growing season. The good news is that, at least historically, a harsh winter is not followed by a harsh summer. Analysis The statewide average temperature for the three core winter months of December, January, and February was 20.8 […]

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February Seventh Coldest on Record

Based on preliminary data, the Illinois statewide temperature for February was 18.7 degrees. That was 12.1 degrees below the long-term average and the seventh coldest February on record. No surprise there. The statewide average temperature for the three core winter months of December, January, and February was 20.8 degrees. That was 8.2 degrees below average […]

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