April 2016 featured temperatures ranging from near normal inland, to below normal near Lake Michigan due to persistent onshore winds for much of the month. There were large week to week swings, with a very cool first half of the month, much warmer in general in the third week of the month, and a warm start but chilly and wet finish to the last week of the month. Most of the month had below normal precipitation, but did finish with a return to wetter conditions. Overall, most areas finished with near to below normal precipitation, with well below normal precipitation from Ford northward to LaSalle, Kendall and Grundy counties. There were several instances of snow and soft hail (graupel) squalls during the unseasonably cold first half of April.
| April 2016 Review: Precipitation and Temperatures (click to enlarge) |
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| Climate Maps are from the Midwest and Northeast Regional Climate Centers and Illinois State Water Survey |
PUBLIC INFORMATION STATEMENT NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 1050 AM CDT SUN MAY 1 2016 ...A LOOK BACK AT THE CLIMATE FOR THE MONTH OF APRIL 2016 FOR CHICAGO AND ROCKFORD... AT CHICAGO...THE AVERAGE HIGH TEMPERATURE WAS 57.4 DEGREES WHICH IS 1.6 DEGREES BELOW NORMAL. THE AVERAGE LOW TEMPERATURE WAS 38.1 DEGREES WHICH IS 0.7 OF A DEGREE BELOW NORMAL. THE AVERAGE TEMPERATURE FOR THE MONTH WAS 47.8 DEGREES WHICH IS 1.1 DEGREES BELOW NORMAL. DURING THE MONTH OF APRIL...2.80 INCHES OF PRECIPITATION WAS RECORDED WHICH IS 0.58 OF AN INCH BELOW NORMAL. 1.1 INCHES OF SNOW WAS RECORDED WHICH IS 0.1 OF AN INCH BELOW NORMAL. NO RECORDS WERE SET FOR CHICAGO DURING THE MONTH OF APRIL 2016. AT ROCKFORD...THE AVERAGE HIGH TEMPERATURE WAS 59.9 DEGREES WHICH IS 0.8 OF A DEGREE BELOW NORMAL. THE AVERAGE LOW TEMPERATURE WAS 38.7 DEGREES WHICH IS 0.6 OF A DEGREE ABOVE NORMAL. THE AVERAGE TEMPERATURE FOR THE MONTH WAS 49.3 DEGREES WHICH IS 0.1 OF A DEGREE BELOW NORMAL. DURING THE MONTH OF APRIL...2.90 INCHES OF PRECIPITATION WAS RECORDED WHICH IS 0.45 OF AN INCH BELOW NORMAL. 0.4 OF AN INCH OF SNOW WAS RECORDED WHICH IS 0.5 OF AN INCH BELOW NORMAL. THERE WAS 1 RECORD SET FOR ROCKFORD FOR THE MONTH OF APRIL 2016... * RECORD DAILY PRECIPITATION OF 1.08 INCHES ON THE 6TH...THIS BROKE THE OLD RECORD OF 0.98 INCHES SET IN 1988.
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CM
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