066  
CDUS43 KLOT 132237  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
437 PM CST WED DEC 13 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 13 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 40 2:42 PM 61 2015 36 4 38  
MINIMUM 17 5:56 AM -9 2000 22 -5 34  
AVERAGE 29 29 0 36  
 
PRECIPITATION (IN)  
TODAY 0.00 1.04 2015 0.06 -0.06 0.08  
MONTH TO DATE 1.00 0.79 0.21 0.49  
SINCE DEC 1 1.00 0.79 0.21 0.49  
SINCE JAN 1 29.66 32.35 -2.69 30.33  
 
DEGREE DAYS  
HEATING  
TODAY 36 36 0 29  
MONTH TO DATE 360 442 -82 386  
SINCE DEC 1 360 442 -82 386  
SINCE JUL 1 1526 1728 -202 1617  
 
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 13 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 4.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 8:00 AM  
LOWEST 34 11:00 AM  
AVERAGE 58  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 61 2015  
MINIMUM TEMPERATURE (F) 22 -5 2016  
 
SUNRISE AND SUNSET  
DECEMBER 13 2023......SUNRISE 7:12 AM CST SUNSET 4:22 PM CST  
DECEMBER 14 2023......SUNRISE 7:13 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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