607  
CDUS43 KLOT 160631  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1231 AM CST THU JAN 16 2025  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 15 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 18 11:59 PM 44 2023 30 -12 -1  
MINIMUM 1 7:45 AM -17 2009 16 -15 -14  
AVERAGE 10 23 -13 -7  
 
PRECIPITATION (IN)  
YESTERDAY T 0.12 2007 0.04 -0.04 0.00  
MONTH TO DATE 0.07 0.64 -0.57 1.07  
SINCE DEC 1 1.14 2.31 -1.17 3.33  
SINCE JAN 1 0.07 0.64 -0.57 1.07  
 
DEGREE DAYS  
HEATING  
YESTERDAY 55 42 13 72  
MONTH TO DATE 670 621 49 604  
SINCE DEC 1 1625 1755 -130 1456  
SINCE JUL 1 2539 3041 -502 2622  
 
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 20 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 10.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 10:00 PM  
LOWEST 58 12:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 51 2023  
MINIMUM TEMPERATURE (F) 16 -22 2009  
 
SUNRISE AND SUNSET  
JANUARY 16 2025.......SUNRISE 7:18 AM CST SUNSET 4:49 PM CST  
JANUARY 17 2025.......SUNRISE 7:17 AM CST SUNSET 4:50 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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