056  
CDUS43 KLOT 140642  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
142 AM CDT MON JUL 14 2025  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JULY 13 2025...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 81 3:57 PM 95 2019 84 -3 91  
MINIMUM 64 11:59 PM 52 2002 63 1 64  
2007  
AVERAGE 73 74 -1 78  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.53 2012 0.12 -0.12 0.16  
MONTH TO DATE 3.85 1.45 2.40 2.35  
SINCE JUN 1 6.50 5.10 1.40 7.38  
SINCE JAN 1 14.56 17.36 -2.80 20.02  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 3  
SINCE JUN 1 18 33 -15 16  
SINCE JUL 1 0 0 0 3  
 
COOLING  
YESTERDAY 8 9 -1 13  
MONTH TO DATE 160 113 47 117  
SINCE JUN 1 427 288 139 359  
SINCE JAN 1 460 344 116 413    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 4.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 10:00 PM  
LOWEST 45 3:00 PM  
AVERAGE 66  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 95 2019  
MINIMUM TEMPERATURE (F) 64 52 2002  
 
SUNRISE AND SUNSET  
JULY 14 2025..........SUNRISE 5:30 AM CDT SUNSET 8:27 PM CDT  
JULY 15 2025..........SUNRISE 5:31 AM CDT SUNSET 8:26 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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