914  
NOUS43 KLOT 012111  
PNSLOT  
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-  
010-011-019-020915-  
 
PUBLIC INFORMATION STATEMENT  
NATIONAL WEATHER SERVICE CHICAGO IL  
411 PM CDT MON JUN 1 2020 /511 PM EDT MON JUN 1 2020/  
 
...A LOOK BACK AT THE CLIMATE FOR METEOROLOGICAL SPRING (MARCH,  
APRIL, MAY) 2020 FOR CHICAGO AND ROCKFORD...  
 
AT CHICAGO, THE AVERAGE HIGH TEMPERATURE FOR THE SPRING SEASON  
WAS 59.3 DEGREES, WHICH IS 0.8 DEGREES ABOVE THE 1981 TO 2010  
AVERAGE. THE AVERAGE LOW TEMPERATURE WAS 41.4 DEGREES, WHICH IS  
2.6 DEGREES ABOVE NORMAL. THE MEAN TEMPERATURE FOR THE SEASON WAS  
50.3 DEGREES, WHICH IS 1.7 DEGREES ABOVE NORMAL.  
 
A TOTAL OF 16.80 INCHES OF PRECIPITATION WAS RECORDED DURING THIS  
PAST SPRING, WHICH IS 7.24 INCHES ABOVE NORMAL. THERE WAS A TOTAL  
OF 7.9 INCHES OF SNOW RECORDED AT CHICAGO DURING THIS PAST SPRING,  
WHICH IS 1.1 INCHES ABOVE NORMAL.  
 
RECORDS ESTABLISHED OR TIED DURING THE SPRING MONTHS:  
 
MARCH:  
* RECORD DAILY PRECIPITATION OF 1.48 INCHES ON THE 28TH.  
 
APRIL:  
* RECORD DAILY SNOWFALL OF 1.7 INCHES ON THE 15TH  
* RECORD DAILY SNOWFALL OF 3.0 INCHES ON THE 17TH.  
 
MAY:  
* RECORD DAILY PRECIPITATION OF 3.53 INCHES ON THE 14TH.  
* WETTEST MAY ON RECORD SINCE 1871 WITH 9.51 INCHES OF  
PRECIPITATION.  
 
SPRING RECORDS:  
* 2ND WETTEST SPRING ON RECORD WITH 16.80 INCHES OF  
PRECIPITATION.  
 
AT ROCKFORD, THE AVERAGE HIGH TEMPERATURE FOR THE SPRING SEASON  
WAS 59.0 DEGREES, WHICH IS 0.8 DEGREES BELOW NORMAL. THE AVERAGE  
LOW TEMPERATURE WAS 39.6 DEGREES, WHICH IS 1.6 DEGREES ABOVE  
NORMAL. THE MEAN TEMPERATURE FOR THE SEASON WAS 49.3 DEGREES,  
WHICH IS 0.4 DEGREES ABOVE NORMAL.  
 
A TOTAL OF 11.83 INCHES OF PRECIPITATION WAS RECORDED DURING THIS  
PAST SPRING, WHICH WAS 2.14 INCHES ABOVE NORMAL. IN ADDITION, A  
TOTAL OF 5.6 INCHES OF SNOW WAS RECORDED, WHICH IS 1.4 INCHES  
BELOW NORMAL.  
 
RECORDS ESTABLISHED OR TIED DURING THE SPRING MONTHS:  
 
MARCH:  
* RECORD DAILY PRECIPITATION OF 1.28 INCHES ON THE 9TH.  
* RECORD DAILY PRECIPITATION OF 2.00 INCHES ON THE 28TH.  
* 4TH WETTEST MARCH ON RECORD SINCE 1906 WITH 5.01 INCHES OF  
PRECIPITATION.  
 
APRIL:  
* RECORD DAILY SNOWFALL OF 3.0 INCHES ON THE 17TH.  
 
MAY: NONE.  
 

 
 
OGOREK  
 
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