April 2017 Climate Review: Warm and Very Wet

Overview and Graphics
Chicago and Rockford March Summary
Events

Overview and Graphics

April 2017 featured well above normal temperatures on average and well above normal precipitation for most of the area. This included top ten April monthly rainfall totals for Chicago and Rockford and a top 10 warmest April for Chicago.

April 2017 Review: Precipitation and Temperatures

April 2017 Review: Very Warm and Wet in Chicago

April 2017 Review: Chicago Warmth and Wetness

April 2017 Review: Very Warm and Wet in Rockford

April 2017 Review: Rockford Warmth and Wetness

Climate Maps are from the Midwest and Northeast Regional Climate Centers and Illinois State Water Survey

Chicago and Rockford April Summary

Public Information Statement
National Weather Service Chicago/Romeoville IL
940 AM CDT Mon May 1 2017

...A Look Back at the Climate for the Month of April 2017 for
Chicago and Rockford...

Chicago
At Chicago, the average high temperature was 63.8 degrees, which is
4.8 degrees above normal. The average low temperature was 43.7
degrees, which is 4.9 degrees above normal. The average temperature
for the month was 53.7 degrees which is 4.8 degrees above normal.
During the month of April, 6.43 inches of precipitation were
recorded, which is 3.05 inches above normal. No snow was recorded,
which is 1.2 inches below normal.

There were no daily records set during the month of April 2017 for
Chicago.

Two Top Ten Monthly Records:
** 7th Warmest April on record since 1872 with 53.7 degrees.
** 9th Wettest April on record since 1871 with 6.43 inches.


Rockford
At Rockford, the average high temperature was 63.9 degrees, which is
3.2 degrees above normal. The average low temperature was 42.5
degrees, which is 4.4 degrees above normal. The average temperature
for the month was 53.2 degrees, which is 3.8 degrees above normal.
During the month of April, 7.13 inches of precipitation were
recorded, which is 3.78 inches above normal. A trace of snow was
recorded, which is 0.9 inch below normal.

There were no daily records set during the month of April 2017 for
Rockford.

Two Top Fifteen Monthly Records:
** 5th Wettest April on record since 1905 with 7.13 inches.
** 12th Warmest April on record since 1905 with 53.2 degrees.

$$

Monthly Climate Report: Chicago | Rockford

Events

April 29-30, 2017: Heavy rainfall from LaSalle County to Chicago brings river flooding
NWS Chicago Past Events Page

Snow Across the Great Lakes, Central Appalachians, and Northeast; Unsettled Weather in the West

April 2017 Climate Review: Warm and Very Wet