878  
CDUS43 KLOT 082232  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
432 PM CST FRI DEC 08 2023  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 8 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 55R 2:55 PM 47 1999 38 17 42  
2001  
MINIMUM 42 7:22 AM -2 2006 23 19 27  
AVERAGE 49 31 18 35  
 
PRECIPITATION (IN)  
TODAY 0.00 0.33 2009 0.07 -0.07 0.00  
MONTH TO DATE 0.85 0.51 0.34 T  
SINCE DEC 1 0.85 0.51 0.34 T  
SINCE JAN 1 29.51 32.07 -2.56 29.84  
 
DEGREE DAYS  
HEATING  
TODAY 16 34 -18 30  
MONTH TO DATE 202 265 -63 247  
SINCE DEC 1 202 265 -63 247  
SINCE JUL 1 1368 1551 -183 1478  
 
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 (210)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 13.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 12:00 AM  
LOWEST 66 11:00 AM  
AVERAGE 74  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 52 1999  
2015  
2020  
MINIMUM TEMPERATURE (F) 23 -3 2013  
 
SUNRISE AND SUNSET  
DECEMBER 8 2023......SUNRISE 7:08 AM CST SUNSET 4:22 PM CST  
DECEMBER 9 2023......SUNRISE 7:09 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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