Three of the top five wettest Aprils since the
late 1800s have been since 2011, indicating a wetter trend in
The largest monthly precipitation total for April in Illinois
was in Carbondale with 14.41 inches. Several other sites in
southern Illinois had similar amounts, including Bush
(Williamson County) with 13.63 inches, West Frankfort (Franklin
County) with 13.35 inches, Kaskaskia (Randolph County) with
13.34 inches, and Murphysboro (Jackson County) with 13.02
The statewide average temperature for April was 56.4 degrees,
3.8 degrees above average and the 11th warmest April on record.
The warmest reading during April was 89 degrees at Kaskaskia on
April 20. The coldest reading for the month was 19 degrees at
Morrison on April 10.
The January–April period was the warmest on record with a
statewide average temperature of 44.5 degrees, 5.4 degrees above
[Lisa A Sheppard]