Illinois State Water Survey Illinois State Climatologist

Spring Flood Risk – Minor For Most of Illinois

NOAA released their Spring Flood Risk today. According to their map, most of Illinois has a minor risk of flooding this spring. An area at risk of moderate flooding is seen in southern Illinois. Sorry for the non-transparent overlay on the map – their map, not mine. The good news of sorts is that much […]

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March Cold and Dry in Illinois

Based on preliminary data, March 2014 in Illinois was cold and dry. Temperature The statewide average temperature was 33.8 degrees, which was 7 degrees below average and the 8th coldest March on record. Combined with the colder-than-average January and February made this the 4th coldest start (23.6 degrees) for Illinois for the year to date. This […]

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Ten Coldest March's and What Follows

As previously reported, based on preliminary data this March in Illinois was 34.1 degrees and the 11th coldest March on record. What were the ten coldest March’s on record? I have listed them in the table below. Also I looked to see what happened in April after these chilly March’s. It turns out that half […]

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March – Much Colder Than Last Year

The preliminary numbers are in – the statewide temperature for March of this year was 34.1 degrees. That is 7 degrees below the long-term average of 41.1 degrees and the 11th coldest March on record. That is in remarkable contrast to March 2012, which ended up at 55.3 degrees. That March was 14.2 degrees above […]

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