142  
CDUS43 KLOT 250639  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
139 AM CDT SUN JUL 25 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JULY 24 2021...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
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 91 2:45 PM 100 2005 84 7 87  
MINIMUM 73 5:29 AM 49 2000 64 9 59  
AVERAGE 82 74 8 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.06 3.08 0.13 -0.07 0.00  
MONTH TO DATE 1.95 2.78 -0.83 1.29  
SINCE JUN 1 8.66 6.43 2.23 1.79  
SINCE JAN 1 13.81 18.69 -4.88 19.69  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 11 33 -22 16  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 17 9 8 8  
MONTH TO DATE 189 212 -23 271  
SINCE JUN 1 439 387 52 506  
SINCE JAN 1 520 443 77 557    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 10.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
HAZE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 97 2012  
MINIMUM TEMPERATURE (F) 64 53 2013  
2014  
 
SUNRISE AND SUNSET  
JULY 25 2021..........SUNRISE 5:40 AM CDT SUNSET 8:18 PM CDT  
JULY 26 2021..........SUNRISE 5:41 AM CDT SUNSET 8:17 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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