767  
CDUS43 KLOT 202233  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
433 PM CST WED DEC 20 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 20 2023...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 43 3:29 PM 50 2015 34 9 31  
MINIMUM 26 7:25 AM -9 2000 20 6 16  
AVERAGE 35 27 8 24  
 
PRECIPITATION (IN)  
TODAY 0.00 0.79 2012 0.05 -0.05 0.00  
MONTH TO DATE 1.27 1.15 0.12 1.90  
SINCE DEC 1 1.27 1.15 0.12 1.90  
SINCE JAN 1 29.93 32.71 -2.78 31.74  
 
DEGREE DAYS  
HEATING  
TODAY 30 38 -8 41  
MONTH TO DATE 572 702 -130 658  
SINCE DEC 1 572 702 -130 658  
SINCE JUL 1 1738 1988 -250 1889  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 802 823 -21 955    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 5.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 8:00 AM  
LOWEST 45 3:00 PM  
AVERAGE 63  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 52 2015  
MINIMUM TEMPERATURE (F) 20 -8 2000  
 
SUNRISE AND SUNSET  
DECEMBER 20 2023......SUNRISE 7:17 AM CST SUNSET 4:24 PM CST  
DECEMBER 21 2023......SUNRISE 7:17 AM CST SUNSET 4:25 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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