814  
CDUS43 KLOT 240635  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1235 AM CST MON FEB 24 2025  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR FEBRUARY 23 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 45 4:57 PM 64 2000 38 7 52  
MINIMUM 20 4:30 AM 8 2009 21 -1 26  
AVERAGE 33 30 3 39  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.68 2019 0.05 -0.05 0.02  
MONTH TO DATE 0.15 0.97 -0.82 0.12  
SINCE DEC 1 2.56 3.91 -1.35 4.45  
SINCE JAN 1 1.49 2.24 -0.75 2.19  
 
DEGREE DAYS  
HEATING  
YESTERDAY 32 36 -4 26  
MONTH TO DATE 986 893 93 654  
SINCE DEC 1 3293 3319 -26 2757  
SINCE JUL 1 4207 4605 -398 3923  
 
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 17 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 7.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 9:00 PM  
LOWEST 53 3:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 60 2002  
MINIMUM TEMPERATURE (F) 22 3 2003  
 
SUNRISE AND SUNSET  
FEBRUARY 24 2025......SUNRISE 6:35 AM CST SUNSET 5:38 PM CST  
FEBRUARY 25 2025......SUNRISE 6:34 AM CST SUNSET 5:39 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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