827  
CDUS43 KLOT 100635  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1235 AM CST TUE FEB 10 2026  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR FEBRUARY 9 2026...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 38 2:52 PM 57 2009 33 5 32  
MINIMUM 17 5:57 AM -7 2011 17 0 19  
AVERAGE 28 25 3 26  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.72 2023 0.04 -0.04 0.00  
MONTH TO DATE 0.01 0.34 -0.33 0.02  
SINCE DEC 1 2.59 3.28 -0.69 2.43  
SINCE JAN 1 1.18 1.61 -0.43 1.36  
 
DEGREE DAYS  
HEATING  
YESTERDAY 37 40 -3 39  
MONTH TO DATE 397 365 32 312  
SINCE DEC 1 3005 2791 214 2620  
SINCE JUL 1 4088 4077 11 3534  
 
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 S (190)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 8.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 7:00 AM  
LOWEST 48 2:00 PM  
AVERAGE 66  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 33 62 2009  
MINIMUM TEMPERATURE (F) 18 -20 2011  
 
SUNRISE AND SUNSET  
FEBRUARY 10 2026......SUNRISE 6:55 AM CST SUNSET 5:20 PM CST  
FEBRUARY 11 2026......SUNRISE 6:54 AM CST SUNSET 5:21 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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