771  
CDUS43 KLOT 232234  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CST SAT DEC 23 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 23 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 48 3:59 PM 59 2015 33 15 -1  
MINIMUM 43 7:04 AM -9 2022 20 23 -9  
AVERAGE 46 26 20 -5  
 
PRECIPITATION (IN)  
TODAY 0.00 0.58 2015 0.05 -0.05 T  
MONTH TO DATE 1.73 1.30 0.43 1.91  
SINCE DEC 1 1.73 1.30 0.43 1.91  
SINCE JAN 1 30.39 32.86 -2.47 31.75  
 
DEGREE DAYS  
HEATING  
TODAY 19 39 -20 70  
MONTH TO DATE 638 817 -179 826  
SINCE DEC 1 638 817 -179 826  
SINCE JUL 1 1804 2103 -299 2057  
 
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 7 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 2.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 2:00 AM  
LOWEST 93 11:00 AM  
AVERAGE 97  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 33 55 2019  
2021  
MINIMUM TEMPERATURE (F) 19 -5 2000  
2004  
2013  
 
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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