957  
CDUS43 KLOT 010726  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
226 AM CDT SAT MAY 01 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR APRIL 30 2021...  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1997 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 59 5:55 PM 84 2013 66 -7 63  
MINIMUM 39 11:50 PM 31 2008 42 -3 39  
AVERAGE 49 54 -5 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.12 0.17 -0.17 0.06  
MONTH TO DATE 0.92 3.35 -2.43 4.07  
SINCE MAR 1 1.81 5.71 -3.90 7.56  
SINCE JAN 1 2.97 8.44 -5.47 10.21  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 11 5 14  
MONTH TO DATE 438 476 -38 539  
SINCE MAR 1 1143 1312 -169 1292  
SINCE JUL 1 5942 6067 -125 5882  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 10 4 6 1  
SINCE MAR 1 10 4 6 1  
SINCE JAN 1 10 4 6 1    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION N (20)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 9.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 85 2018  
MINIMUM TEMPERATURE (F) 43 30 2005  
 
SUNRISE AND SUNSET  
MAY 1 2021...........SUNRISE 5:49 AM CDT SUNSET 7:52 PM CDT  
MAY 2 2021...........SUNRISE 5:47 AM CDT SUNSET 7:53 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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