806  
CDUS43 KLOT 260639  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1239 AM CST WED FEB 26 2025  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR FEBRUARY 25 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 53 3:52 PM 71 2000 39 14 62  
MINIMUM 29 11:44 PM -5 2003 22 7 29  
AVERAGE 41 30 11 46  
 
PRECIPITATION (IN)  
YESTERDAY T 0.42 2007 0.06 -0.06 0.00  
MONTH TO DATE 0.15 1.08 -0.93 0.12  
SINCE DEC 1 2.56 4.02 -1.46 4.45  
SINCE JAN 1 1.49 2.35 -0.86 2.19  
 
DEGREE DAYS  
HEATING  
YESTERDAY 24 35 -11 19  
MONTH TO DATE 1030 963 67 712  
SINCE DEC 1 3337 3389 -52 2815  
SINCE JUL 1 4251 4675 -424 3981  
 
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 W (280)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 5.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 6:00 AM  
LOWEST 50 4:00 PM  
AVERAGE 73  
   
......................................................  
 
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 2025......SUNRISE 6:32 AM CST SUNSET 5:40 PM CST  
FEBRUARY 27 2025......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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