382  
CDUS43 KLOT 222247  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
447 PM CST WED JAN 22 2025  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 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 23 3:44 PM 54 2018 30 -7 33  
MINIMUM -1 1:30 AM -3 2013 15 -16 21  
2014  
AVERAGE 11 23 -12 27  
 
PRECIPITATION (IN)  
TODAY T 0.83 2018 0.04 -0.04 0.01  
MONTH TO DATE 0.07 0.92 -0.85 1.08  
SINCE DEC 1 1.14 2.59 -1.45 3.34  
SINCE JAN 1 0.07 0.92 -0.85 1.08  
 
DEGREE DAYS  
HEATING  
TODAY 54 42 12 38  
MONTH TO DATE 1021 915 106 989  
SINCE DEC 1 1976 2049 -73 1841  
SINCE JUL 1 2890 3335 -445 3007  
 
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 24 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 15.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 10:00 AM  
LOWEST 50 8:00 AM  
AVERAGE 64  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 46 2002  
MINIMUM TEMPERATURE (F) 15 -7 2014  
 
SUNRISE AND SUNSET  
JANUARY 22 2025.......SUNRISE 7:14 AM CST SUNSET 4:56 PM CST  
JANUARY 23 2025.......SUNRISE 7:13 AM CST SUNSET 4:57 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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