844  
CDUS43 KLOT 092240  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
440 PM CST MON DEC 09 2024  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 9 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 53 12:58 PM 54 2023 37 16 54  
MINIMUM 41 8:23 AM -3 2013 23 18 33  
AVERAGE 47 30 17 44  
 
PRECIPITATION (IN)  
TODAY T 0.94 2008 0.06 -0.06 0.15  
MONTH TO DATE T 0.57 -0.57 1.00  
SINCE DEC 1 T 0.57 -0.57 1.00  
SINCE JAN 1 29.83 32.13 -2.30 29.66  
 
DEGREE DAYS  
HEATING  
TODAY 18 35 -17 21  
MONTH TO DATE 327 300 27 223  
SINCE DEC 1 327 300 27 223  
SINCE JUL 1 1241 1586 -345 1389  
 
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 18 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 11.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 3:00 AM  
LOWEST 46 1:00 PM  
AVERAGE 70  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 59 2021  
MINIMUM TEMPERATURE (F) 23 -10 2013  
 
SUNRISE AND SUNSET  
DECEMBER 9 2024......SUNRISE 7:09 AM CST SUNSET 4:22 PM CST  
DECEMBER 10 2024......SUNRISE 7:10 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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