897  
CDUS43 KLOT 072232  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
432 PM CST THU DEC 07 2023  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 7 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 51R 2:50 PM 51 2004 38 13 42  
MINIMUM 32 7:44 AM -4 2005 24 8 31  
AVERAGE 42 31 11 37  
 
PRECIPITATION (IN)  
TODAY 0.00 0.63 2004 0.06 -0.06 0.00  
MONTH TO DATE 0.85 0.44 0.41 T  
SINCE DEC 1 0.85 0.44 0.41 T  
SINCE JAN 1 29.51 32.00 -2.49 29.84  
 
DEGREE DAYS  
HEATING  
TODAY 23 34 -11 28  
MONTH TO DATE 186 231 -45 217  
SINCE DEC 1 186 231 -45 217  
SINCE JUL 1 1352 1517 -165 1448  
 
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 22 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 11.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 8:00 AM  
LOWEST 58 12:00 PM  
AVERAGE 72  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 47 1999  
2001  
MINIMUM TEMPERATURE (F) 23 -2 2006  
 
SUNRISE AND SUNSET  
DECEMBER 7 2023......SUNRISE 7:07 AM CST SUNSET 4:22 PM CST  
DECEMBER 8 2023......SUNRISE 7:08 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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