082  
CDUS43 KLOT 100634  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1234 AM CST SUN DEC 10 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 9 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 54R 5:42 AM 52 1999 37 17 38  
2015  
2020  
MINIMUM 33 11:59 PM -3 2013 23 10 33  
AVERAGE 44 30 14 36  
 
PRECIPITATION (IN)  
YESTERDAY 0.15 0.94 2008 0.06 0.09 0.40  
MONTH TO DATE 1.00 0.57 0.43 0.40  
SINCE DEC 1 1.00 0.57 0.43 0.40  
SINCE JAN 1 29.66 32.13 -2.47 30.24  
 
DEGREE DAYS  
HEATING  
YESTERDAY 21 35 -14 29  
MONTH TO DATE 223 300 -77 276  
SINCE DEC 1 223 300 -77 276  
SINCE JUL 1 1389 1586 -197 1507  
 
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 26 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 17.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 3:00 AM  
LOWEST 58 1:00 PM  
AVERAGE 78  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 59 2021  
MINIMUM TEMPERATURE (F) 23 -10 2013  
 
SUNRISE AND SUNSET  
DECEMBER 10 2023......SUNRISE 7:10 AM CST SUNSET 4:22 PM CST  
DECEMBER 11 2023......SUNRISE 7:10 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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