727  
CDUS43 KLOT 110632  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
132 AM CDT SAT JUL 11 2026  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JULY 10 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 82 3:45 PM 95 2019 84 -2 87  
MINIMUM 65 11:59 PM 46 1997 63 2 63  
AVERAGE 74 74 0 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.46 2025 0.13 -0.13 1.46  
MONTH TO DATE 3.93 1.09 2.84 2.83  
SINCE JUN 1 10.56 4.74 5.82 5.48  
SINCE JAN 1 23.44 17.00 6.44 13.54  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 24 33 -9 18  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 9 9 0 10  
MONTH TO DATE 117 86 31 126  
SINCE JUN 1 271 261 10 393  
SINCE JAN 1 330 317 13 426    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 6.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1:00 AM  
LOWEST 51 4:00 PM  
AVERAGE 74  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 90 2005  
2025  
MINIMUM TEMPERATURE (F) 63 50 1997  
 
SUNRISE AND SUNSET  
JULY 11 2026..........SUNRISE 5:28 AM CDT SUNSET 8:29 PM CDT  
JULY 12 2026..........SUNRISE 5:29 AM CDT SUNSET 8:28 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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