109  
CDUS43 KLOT 090633  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1233 AM CST SUN FEB 09 2025  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR FEBRUARY 8 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 33 12:35 PM 57 2024 33 0 57  
MINIMUM 25 12:57 AM -8 2007 17 8 40  
AVERAGE 29 25 4 49  
 
PRECIPITATION (IN)  
YESTERDAY T 0.74 2001 0.04 -0.04 0.02  
MONTH TO DATE 0.02 0.30 -0.28 0.02  
SINCE DEC 1 2.43 3.24 -0.81 4.35  
SINCE JAN 1 1.36 1.57 -0.21 2.09  
 
DEGREE DAYS  
HEATING  
YESTERDAY 36 40 -4 16  
MONTH TO DATE 273 325 -52 216  
SINCE DEC 1 2580 2751 -171 2319  
SINCE JUL 1 3494 4037 -543 3485  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 8.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 4:00 PM  
LOWEST 49 11:00 AM  
AVERAGE 69  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 33 57 2009  
MINIMUM TEMPERATURE (F) 17 -7 2011  
 
SUNRISE AND SUNSET  
FEBRUARY 9 2025......SUNRISE 6:56 AM CST SUNSET 5:19 PM CST  
FEBRUARY 10 2025......SUNRISE 6:55 AM CST SUNSET 5:20 PM CST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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