037  
CDUS43 KLOT 070632  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
132 AM CDT THU AUG 07 2025  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 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 4:03 PM 93 2022 83 3 74  
MINIMUM 62 5:07 AM 48 2004 63 -1 62  
AVERAGE 74 73 1 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.91 2000 0.13 -0.13 0.02  
MONTH TO DATE 0.00 0.81 -0.81 0.74  
SINCE JUN 1 9.61 8.08 1.53 10.33  
SINCE JAN 1 17.67 20.34 -2.67 22.97  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 18 37 -19 16  
SINCE JUL 1 0 4 -4 3  
 
COOLING  
YESTERDAY 9 8 1 3  
MONTH TO DATE 30 48 -18 73  
SINCE JUN 1 662 495 167 577  
SINCE JAN 1 695 551 144 631    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 4.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 3:00 AM  
LOWEST 48 1:00 PM  
AVERAGE 71  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 94 2001  
MINIMUM TEMPERATURE (F) 63 50 2004  
 
SUNRISE AND SUNSET  
AUGUST 7 2025........SUNRISE 5:53 AM CDT SUNSET 8:04 PM CDT  
AUGUST 8 2025........SUNRISE 5:54 AM CDT SUNSET 8:02 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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