577  
CDUS43 KLOT 182235  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
435 PM CST THU JAN 18 2024  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 18 2024...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 25 2:15 PM 42 2013 30 -5 40  
2022  
MINIMUM 17 9:40 AM -5 2016 16 1 35  
AVERAGE 21 23 -2 38  
 
PRECIPITATION (IN)  
TODAY T 0.33 2020 0.04 -0.04 0.20  
MONTH TO DATE 1.07 0.76 0.31 1.46  
SINCE DEC 1 3.33 2.43 0.90 3.37  
SINCE JAN 1 1.07 0.76 0.31 1.46  
 
DEGREE DAYS  
HEATING  
TODAY 44 42 2 27  
MONTH TO DATE 773 747 26 528  
SINCE DEC 1 1625 1881 -256 1678  
SINCE JUL 1 2791 3167 -376 2909  
 
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 12 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 3.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 1:00 AM  
LOWEST 57 2:00 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 2024.......SUNRISE 7:17 AM CST SUNSET 4:50 PM CST  
JANUARY 19 2024.......SUNRISE 7:16 AM CST SUNSET 4:51 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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