564  
CDUS43 KLOT 152241  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
441 PM CST SAT FEB 15 2025  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR FEBRUARY 15 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 12:50 PM 55 1999 35 -3 43  
MINIMUM 25 12:09 AM -3 2015 19 6 30  
AVERAGE 29 27 2 37  
 
PRECIPITATION (IN)  
TODAY 0.01 0.15 2023 0.04 -0.03 0.08  
MONTH TO DATE 0.15 0.59 -0.44 0.10  
SINCE DEC 1 2.56 3.53 -0.97 4.43  
SINCE JAN 1 1.49 1.86 -0.37 2.17  
 
DEGREE DAYS  
HEATING  
TODAY 36 38 -2 28  
MONTH TO DATE 581 598 -17 429  
SINCE DEC 1 2888 3024 -136 2532  
SINCE JUL 1 3802 4310 -508 3698  
 
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 12 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 5.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 12:00 AM  
LOWEST 69 12:00 PM  
AVERAGE 77  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 53 2022  
MINIMUM TEMPERATURE (F) 19 -6 2007  
 
SUNRISE AND SUNSET  
FEBRUARY 15 2025......SUNRISE 6:48 AM CST SUNSET 5:26 PM CST  
FEBRUARY 16 2025......SUNRISE 6:47 AM CST SUNSET 5:28 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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