653  
CDUS43 KLOT 240634  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT THU JUL 24 2025  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JULY 23 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 94R 2:51 PM 93 1999 84 10 84  
MINIMUM 70 4:59 AM 48 2000 64 6 64  
AVERAGE 82 74 8 74  
 
PRECIPITATION (IN)  
YESTERDAY T 2.28 2010 0.12 -0.12 0.08  
MONTH TO DATE 4.64 2.65 1.99 4.19  
SINCE JUN 1 7.29 6.30 0.99 9.22  
SINCE JAN 1 15.35 18.56 -3.21 21.86  
 
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 17 9 8 9  
MONTH TO DATE 256 203 53 195  
SINCE JUN 1 523 378 145 437  
SINCE JAN 1 556 434 122 491    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 11.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 11:00 PM  
LOWEST 58 3:00 PM  
AVERAGE 72  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 100 2005  
MINIMUM TEMPERATURE (F) 64 49 2000  
 
SUNRISE AND SUNSET  
JULY 24 2025..........SUNRISE 5:39 AM CDT SUNSET 8:19 PM CDT  
JULY 25 2025..........SUNRISE 5:40 AM CDT SUNSET 8:18 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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