873  
CDUS43 KLOT 230633  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1233 AM CST SAT DEC 23 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 22 2023...  
 
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)  
YESTERDAY  
MAXIMUM 45 2:40 PM 53 2006 33 12 32  
MINIMUM 41 3:39 AM -10 2000 20 21 -8  
AVERAGE 43 27 16 12  
 
PRECIPITATION (IN)  
YESTERDAY 0.46 0.86 2006 0.05 0.41 0.01  
MONTH TO DATE 1.73 1.25 0.48 1.91  
SINCE DEC 1 1.73 1.25 0.48 1.91  
SINCE JAN 1 30.39 32.81 -2.42 31.75  
 
DEGREE DAYS  
HEATING  
YESTERDAY 22 38 -16 53  
MONTH TO DATE 619 778 -159 756  
SINCE DEC 1 619 778 -159 756  
SINCE JUL 1 1785 2064 -279 1987  
 
COOLING  
YESTERDAY 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 9 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 5.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 9:00 PM  
LOWEST 79 12:00 AM  
AVERAGE 88  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 33 59 2015  
MINIMUM TEMPERATURE (F) 20 -9 2022  
 
SUNRISE AND SUNSET  
DECEMBER 23 2023......SUNRISE 7:18 AM CST SUNSET 4:26 PM CST  
DECEMBER 24 2023......SUNRISE 7:19 AM CST SUNSET 4:26 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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