809  
CDUS43 KLOT 112234  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CST WED DEC 11 2024  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 11 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 32 12:40 PM 57 2021 37 -5 36  
MINIMUM 24 3:59 PM -5 2013 23 1 27  
AVERAGE 28 30 -2 32  
 
PRECIPITATION (IN)  
TODAY T 0.70 2020 0.06 -0.06 0.00  
MONTH TO DATE T 0.68 -0.68 1.00  
SINCE DEC 1 T 0.68 -0.68 1.00  
SINCE JAN 1 29.83 32.24 -2.41 29.66  
 
DEGREE DAYS  
HEATING  
TODAY 37 35 2 33  
MONTH TO DATE 395 370 25 289  
SINCE DEC 1 395 370 25 289  
SINCE JUL 1 1309 1656 -347 1455  
 
COOLING  
TODAY 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 28 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 11.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 4:00 AM  
LOWEST 38 4:00 PM  
AVERAGE 55  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 58 2015  
MINIMUM TEMPERATURE (F) 22 -10 2013  
 
SUNRISE AND SUNSET  
DECEMBER 11 2024......SUNRISE 7:11 AM CST SUNSET 4:22 PM CST  
DECEMBER 12 2024......SUNRISE 7:12 AM CST SUNSET 4:22 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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