224  
CDUS43 KLOT 040639  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1239 AM CST SAT JAN 04 2025  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 3 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 25 2:47 PM 57 1998 31 -6 34  
MINIMUM 16 11:59 PM -12 2014 17 -1 30  
AVERAGE 21 24 -3 32  
 
PRECIPITATION (IN)  
YESTERDAY T 0.85 2023 0.05 -0.05 0.00  
MONTH TO DATE T 0.14 -0.14 0.00  
SINCE DEC 1 1.07 1.81 -0.74 2.26  
SINCE JAN 1 T 0.14 -0.14 0.00  
 
DEGREE DAYS  
HEATING  
YESTERDAY 44 41 3 33  
MONTH TO DATE 119 122 -3 103  
SINCE DEC 1 1074 1256 -182 955  
SINCE JUL 1 1988 2542 -554 2121  
 
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 23 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 13.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 6:00 AM  
LOWEST 52 3:00 PM  
AVERAGE 68  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 55 1998  
MINIMUM TEMPERATURE (F) 17 -13 1999  
 
SUNRISE AND SUNSET  
JANUARY 4 2025.......SUNRISE 7:21 AM CST SUNSET 4:36 PM CST  
JANUARY 5 2025.......SUNRISE 7:21 AM CST SUNSET 4:37 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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