April rainfall nearly doubles average amount

News-DemocratMay 2, 2013 

If all the flooded, muddy fields and rising rivers weren't a big enough indicator, the 6.90 inches of rain that fell on Illinois in April marked it as the fourth wettest April on record in the state.

That's 3.13 inches more than usual since the average rainfall for April is 3.77 inches, according to Illinois State Climatologist Jim Angel at the Prairie Research Institute at the University of Illinois.

The rainfall in April was more than the state received last year during May, June and July during the worst of the drought. During that time, the total rainfall measured 5.78 inches total for those three months.

The two largest monthly totals for April were Augusta with 12.28 inches and Naperville with 11.03 inches. Several more stations reported totals in the 10-inch range.

There were two major impacts of the wet April. One was widespread flooding on the Illinois, Wabash, and Mississippi Rivers and their tributaries. Several sites along the Illinois reported record high river crests in April.

The second impact of the wet April was the delay in fieldwork. According to an April 29 U.S. Department of Agriculture report, only 1 percent of the corn crop was planted, compared to 76 percent last April, and a five-year average of 36 percent.

The statewide average temperature for April was 50.1 degrees, which was 2.3 degrees below average.

"The average temperature was not record-setting but reflects the fact that we had a lot of cool, cloudy days in April," Angel said.

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