Illinois State Water Survey Illinois State Climatologist

April Temperatures in Illinois Warm Over the Last Century

According to the National Centers for Environmental Information (NCEI), the average April temperature in Illinois has warmed by 2 degrees over the last century. In addition, the most recent decade of 2006-2015 was the warmest set of Aprils on record. Statewide records go back to 1895. Here are the statewide average temperatures for April in […]

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