690  
CDUS43 KLOT 070634  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT MON JUL 07 2025  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JULY 6 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 86 1:29 PM 100 2012 84 2 82  
MINIMUM 66 11:46 PM 49 2001 63 3 62  
AVERAGE 76 74 2 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.30 1.44 2015 0.11 0.19 0.00  
MONTH TO DATE 0.75 0.62 0.13 0.61  
SINCE JUN 1 3.40 4.27 -0.87 5.64  
SINCE JAN 1 11.46 16.53 -5.07 18.28  
 
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 11 9 2 7  
MONTH TO DATE 84 50 34 48  
SINCE JUN 1 351 225 126 290  
SINCE JAN 1 384 281 103 344    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 9.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 4:00 PM  
LOWEST 65 1:00 PM  
AVERAGE 78  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 100 2012  
MINIMUM TEMPERATURE (F) 63 51 1997  
 
SUNRISE AND SUNSET  
JULY 7 2025..........SUNRISE 5:25 AM CDT SUNSET 8:30 PM CDT  
JULY 8 2025..........SUNRISE 5:26 AM CDT SUNSET 8:30 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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