035  
CDUS43 KLOT 260633  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1233 AM CST THU FEB 26 2026  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR FEBRUARY 25 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 37 3:31 PM 71 2000 39 -2 53  
MINIMUM 25 7:33 AM -5 2003 22 3 29  
AVERAGE 31 30 1 41  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.42 2007 0.06 -0.06 T  
MONTH TO DATE 0.08 1.08 -1.00 0.15  
SINCE DEC 1 2.66 4.02 -1.36 2.56  
SINCE JAN 1 1.25 2.35 -1.10 1.49  
 
DEGREE DAYS  
HEATING  
YESTERDAY 34 35 -1 24  
MONTH TO DATE 863 963 -100 1030  
SINCE DEC 1 3471 3389 82 3338  
SINCE JUL 1 4554 4675 -121 4252  
 
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 21 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 11.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 4:00 AM  
LOWEST 32 4:00 PM  
AVERAGE 60  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 39 71 2024  
MINIMUM TEMPERATURE (F) 22 -3 2015  
 
SUNRISE AND SUNSET  
FEBRUARY 26 2026......SUNRISE 6:33 AM CST SUNSET 5:40 PM CST  
FEBRUARY 27 2026......SUNRISE 6:31 AM CST SUNSET 5:41 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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