191  
CDUS43 KLOT 080633  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT SAT AUG 08 2026  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 7 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 85 4:02 PM 94 2001 83 2 89  
MINIMUM 64 5:32 AM 50 2004 63 1 69  
AVERAGE 75 73 2 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.37 2018 0.11 -0.11 0.00  
MONTH TO DATE 2.01 0.92 1.09 0.00  
SINCE JUN 1 14.05 8.19 5.86 9.61  
SINCE JAN 1 26.93 20.45 6.48 17.67  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 25 37 -12 18  
SINCE JUL 1 1 4 -3 0  
 
COOLING  
YESTERDAY 10 8 2 14  
MONTH TO DATE 52 56 -4 44  
SINCE JUN 1 513 503 10 676  
SINCE JAN 1 572 559 13 709    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 5.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 4:00 AM  
LOWEST 59 4:00 PM  
AVERAGE 80  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 92 2001  
MINIMUM TEMPERATURE (F) 63 52 1997  
1999  
2017  
 
SUNRISE AND SUNSET  
AUGUST 8 2026........SUNRISE 5:54 AM CDT SUNSET 8:03 PM CDT  
AUGUST 9 2026........SUNRISE 5:55 AM CDT SUNSET 8:01 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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