883  
CDUS43 KLOT 250634  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT WED AUG 25 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 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 95R 2:09 PM 94 2012 81 14 94  
2020  
MINIMUM 71 11:59 PM 51 2005 61 10 66  
2017  
AVERAGE 83 71 12 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.12 0.68 0.11 0.01 0.00  
MONTH TO DATE 2.03 2.97 -0.94 0.96  
SINCE JUN 1 11.23 10.24 0.99 3.15  
SINCE JAN 1 16.38 22.50 -6.12 21.05  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 4  
SINCE JUN 1 11 37 -26 20  
SINCE JUL 1 0 4 -4 4  
 
COOLING  
YESTERDAY 18 6 12 15  
MONTH TO DATE 227 179 48 176  
SINCE JUN 1 738 626 112 759  
SINCE JAN 1 819 682 137 810    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 7.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
FOG  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 95 2003  
MINIMUM TEMPERATURE (F) 61 46 2017  
 
SUNRISE AND SUNSET  
AUGUST 25 2021........SUNRISE 6:12 AM CDT SUNSET 7:37 PM CDT  
AUGUST 26 2021........SUNRISE 6:13 AM CDT SUNSET 7:36 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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