635  
CDUS43 KLOT 260642  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
142 AM CDT MON APR 26 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR APRIL 25 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 53 12:28 PM 83 2016 64 -11 46  
MINIMUM 39 7:01 PM 29 1999 41 -2 41  
AVERAGE 46 53 -7 44  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.06 0.13 -0.13 0.37  
MONTH TO DATE 0.88 2.58 -1.70 1.48  
SINCE MAR 1 1.77 4.94 -3.17 4.97  
SINCE JAN 1 2.93 7.67 -4.74 7.62  
 
DEGREE DAYS  
HEATING  
YESTERDAY 19 13 6 21  
MONTH TO DATE 398 418 -20 482  
SINCE MAR 1 1103 1254 -151 1235  
SINCE JUL 1 5902 6009 -107 5825  
 
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 7 RESULTANT WIND DIRECTION NE (50)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 9.6  
 
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 80 2009  
MINIMUM TEMPERATURE (F) 41 29 2006  
 
SUNRISE AND SUNSET  
APRIL 26 2021.........SUNRISE 5:56 AM CDT SUNSET 7:47 PM CDT  
APRIL 27 2021.........SUNRISE 5:54 AM CDT SUNSET 7:48 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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