241  
CDUS43 KLOT 020648  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1248 AM CST THU JAN 02 2025  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 1 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 32 1:25 AM 47 2000 31 1 31  
MINIMUM 24 11:59 PM -12 2018 18 6 26  
AVERAGE 28 25 3 29  
 
PRECIPITATION (IN)  
YESTERDAY T 0.40 2005 0.04 -0.04 0.00  
MONTH TO DATE T 0.04 -0.04 0.00  
SINCE DEC 1 1.07 1.71 -0.64 2.26  
SINCE JAN 1 T 0.04 -0.04 0.00  
 
DEGREE DAYS  
HEATING  
YESTERDAY 37 40 -3 36  
MONTH TO DATE 37 40 -3 36  
SINCE DEC 1 992 1174 -182 888  
SINCE JUL 1 1906 2460 -554 2054  
 
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 24 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 15.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 12:00 AM  
LOWEST 60 11:00 AM  
AVERAGE 69  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 60 2004  
MINIMUM TEMPERATURE (F) 18 -14 2018  
 
SUNRISE AND SUNSET  
JANUARY 2 2025.......SUNRISE 7:21 AM CST SUNSET 4:34 PM CST  
JANUARY 3 2025.......SUNRISE 7:21 AM CST SUNSET 4:35 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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