533  
CDUS43 KLOT 250645  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
145 AM CDT TUE AUG 25 2026  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 24 2026...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM MM MM 97 2023 81 MM 73  
MINIMUM MM MM 51 2005 61 MM 54  
2017  
AVERAGE MM 71 MM 64  
 
PRECIPITATION (IN)  
YESTERDAY MM 0.68 2006 0.11 MM 0.00  
MONTH TO DATE 4.22 2.97 1.25 2.68  
SINCE JUN 1 16.26 10.24 6.02 12.29  
SINCE JAN 1 29.14 22.50 6.64 20.35  
 
DEGREE DAYS  
HEATING  
YESTERDAY MM 0 MM 1  
MONTH TO DATE 0 0 0 1  
SINCE JUN 1 25 37 -12 19  
SINCE JUL 1 1 4 -3 1  
 
COOLING  
YESTERDAY MM 6 MM 0  
MONTH TO DATE 161 179 -18 238  
SINCE JUN 1 622 626 -4 870  
SINCE JAN 1 681 682 -1 903    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED MM  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................
 
 
THE DUPAGE 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 2026........SUNRISE 6:12 AM CDT SUNSET 7:38 PM CDT  
AUGUST 26 2026........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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