909  
CDUS43 KLOT 270634  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT TUE APR 27 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR APRIL 26 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 78 4:52 PM 80 2009 65 13 64  
MINIMUM 39 5:34 AM 29 2006 41 -2 40  
AVERAGE 59 53 6 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.93 0.13 -0.13 0.00  
MONTH TO DATE 0.88 2.71 -1.83 1.48  
SINCE MAR 1 1.77 5.07 -3.30 4.97  
SINCE JAN 1 2.93 7.80 -4.87 7.62  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 12 -6 13  
MONTH TO DATE 404 430 -26 495  
SINCE MAR 1 1109 1266 -157 1248  
SINCE JUL 1 5908 6021 -113 5838  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 4 0 4 1  
SINCE MAR 1 4 0 4 1  
SINCE JAN 1 4 0 4 1    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 14 RESULTANT WIND DIRECTION S (170)  
HIGHEST WIND SPEED 35 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 49 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 15.9  
 
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) 65 75 2003  
MINIMUM TEMPERATURE (F) 41 27 2012  
 
SUNRISE AND SUNSET  
APRIL 27 2021.........SUNRISE 5:54 AM CDT SUNSET 7:48 PM CDT  
APRIL 28 2021.........SUNRISE 5:53 AM CDT SUNSET 7:49 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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