593  
CDUS43 KLOT 080642  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1242 AM CST FRI DEC 08 2023  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 7 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 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)  
YESTERDAY 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  
YESTERDAY 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  
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 22 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 10.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 8:00 PM  
LOWEST 58 12:00 PM  
AVERAGE 72  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 47 1999  
2001  
MINIMUM TEMPERATURE (F) 23 -2 2006  
 
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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