506  
CDUS43 KLOT 010645  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1245 AM CST WED JAN 01 2025  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 31 2024...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 41 11:11 AM 56 2006 32 9 35  
MINIMUM 32 11:59 PM -5 2017 18 14 30  
AVERAGE 37 25 12 33  
 
PRECIPITATION (IN)  
YESTERDAY 0.50 6.02 2008 0.05 0.45 0.01  
MONTH TO DATE 1.07 1.67 -0.60 2.26  
SINCE DEC 1 1.07 1.67 -0.60 2.26  
SINCE JAN 1 30.90 33.23 -2.33 30.92  
 
DEGREE DAYS  
HEATING  
YESTERDAY 28 40 -12 32  
MONTH TO DATE 955 1134 -179 852  
SINCE DEC 1 955 1134 -179 852  
SINCE JUL 1 1869 2420 -551 2018  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 927 823 104 802    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 14.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 4:00 AM  
LOWEST 72 10:00 PM  
AVERAGE 83  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 47 2000  
MINIMUM TEMPERATURE (F) 18 -12 2018  
 
SUNRISE AND SUNSET  
JANUARY 1 2025.......SUNRISE 7:21 AM CST SUNSET 4:33 PM CST  
JANUARY 2 2025.......SUNRISE 7:21 AM CST SUNSET 4:34 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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