442  
CDUS43 KLOT 272235  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
435 PM CST THU FEB 27 2025  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR FEBRUARY 27 2025...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 50 2:27 PM 74 2024 39 11 74  
MINIMUM 34 7:17 AM -8 2015 23 11 49  
AVERAGE 42 31 11 62  
 
PRECIPITATION (IN)  
TODAY 0.00 0.79 2023 0.05 -0.05 0.26  
MONTH TO DATE 0.23 1.18 -0.95 0.38  
SINCE DEC 1 2.64 4.12 -1.48 4.71  
SINCE JAN 1 1.57 2.45 -0.88 2.45  
 
DEGREE DAYS  
HEATING  
TODAY 23 34 -11 3  
MONTH TO DATE 1077 1031 46 728  
SINCE DEC 1 3384 3457 -73 2831  
SINCE JUL 1 4298 4743 -445 3997  
 
COOLING  
TODAY 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 28 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 12.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 2:00 AM  
LOWEST 49 4:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 40 62 2016  
MINIMUM TEMPERATURE (F) 23 -13 2015  
 
SUNRISE AND SUNSET  
FEBRUARY 27 2025......SUNRISE 6:31 AM CST SUNSET 5:41 PM CST  
FEBRUARY 28 2025......SUNRISE 6:29 AM CST SUNSET 5:42 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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