042  
CDUS43 KLOT 222232  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
432 PM CST SAT FEB 22 2025  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR FEBRUARY 22 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 32 3:59 PM 67 2017 37 -5 61  
MINIMUM 13 7:26 AM 2 2015 21 -8 41  
AVERAGE 23 29 -6 51  
 
PRECIPITATION (IN)  
TODAY 0.00 1.07 2023 0.05 -0.05 0.00  
MONTH TO DATE 0.15 0.92 -0.77 0.10  
SINCE DEC 1 2.56 3.86 -1.30 4.43  
SINCE JAN 1 1.49 2.19 -0.70 2.17  
 
DEGREE DAYS  
HEATING  
TODAY 42 36 6 14  
MONTH TO DATE 954 857 97 628  
SINCE DEC 1 3261 3283 -22 2731  
SINCE JUL 1 4175 4569 -394 3897  
 
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 23 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 13.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 1:00 AM  
LOWEST 45 1:00 PM  
AVERAGE 63  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 64 2000  
MINIMUM TEMPERATURE (F) 21 8 2009  
 
SUNRISE AND SUNSET  
FEBRUARY 22 2025......SUNRISE 6:38 AM CST SUNSET 5:35 PM CST  
FEBRUARY 23 2025......SUNRISE 6:37 AM CST SUNSET 5:36 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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