617  
CDUS43 KLOT 150642  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1242 AM CST SUN DEC 15 2024  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 14 2024...  
 
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)  
YESTERDAY  
MAXIMUM 40 11:59 PM 61 2015 36 4 50  
MINIMUM 25 1:47 AM -5 2016 22 3 24  
AVERAGE 33 29 4 37  
 
PRECIPITATION (IN)  
YESTERDAY 0.25 1.26 2022 0.05 0.20 0.00  
MONTH TO DATE 0.25 0.84 -0.59 1.00  
SINCE DEC 1 0.25 0.84 -0.59 1.00  
SINCE JAN 1 30.08 32.40 -2.32 29.66  
 
DEGREE DAYS  
HEATING  
YESTERDAY 32 36 -4 28  
MONTH TO DATE 538 478 60 388  
SINCE DEC 1 538 478 60 388  
SINCE JUL 1 1452 1764 -312 1554  
 
COOLING  
YESTERDAY 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 16 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 9.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 11:00 PM  
LOWEST 52 11:00 AM  
AVERAGE 69  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 65 2021  
MINIMUM TEMPERATURE (F) 22 -3 2016  
 
SUNRISE AND SUNSET  
DECEMBER 15 2024......SUNRISE 7:14 AM CST SUNSET 4:23 PM CST  
DECEMBER 16 2024......SUNRISE 7:15 AM CST SUNSET 4:23 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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