898  
CDUS43 KLOT 182236  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
436 PM CST SUN JAN 18 2026  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 18 2026...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 17 3:33 PM 42 2013 30 -13 37  
2022  
MINIMUM 5 8:14 AM -5 2016 16 -11 13  
AVERAGE 11 23 -12 25  
 
PRECIPITATION (IN)  
TODAY T 0.33 2020 0.04 -0.04 0.00  
MONTH TO DATE 1.16 0.76 0.40 0.07  
SINCE DEC 1 2.57 2.43 0.14 1.14  
SINCE JAN 1 1.16 0.76 0.40 0.07  
 
DEGREE DAYS  
HEATING  
TODAY 54 42 12 40  
MONTH TO DATE 643 747 -104 779  
SINCE DEC 1 1880 1881 -1 1735  
SINCE JUL 1 2963 3167 -204 2649  
 
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 21 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 13.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 1:00 AM  
LOWEST 61 3:00 PM  
AVERAGE 73  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 55 2006  
MINIMUM TEMPERATURE (F) 16 -5 2008  
 
SUNRISE AND SUNSET  
JANUARY 18 2026.......SUNRISE 7:17 AM CST SUNSET 4:51 PM CST  
JANUARY 19 2026.......SUNRISE 7:16 AM CST SUNSET 4:52 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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