206  
CDUS43 KLOT 120632  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1232 AM CST TUE DEC 12 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 11 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 36 3:07 PM 57 2021 37 -1 38  
MINIMUM 27 9:19 AM -5 2013 23 4 35  
AVERAGE 32 30 2 37  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.70 2020 0.06 -0.06 0.00  
MONTH TO DATE 1.00 0.68 0.32 0.41  
SINCE DEC 1 1.00 0.68 0.32 0.41  
SINCE JAN 1 29.66 32.24 -2.58 30.25  
 
DEGREE DAYS  
HEATING  
YESTERDAY 33 35 -2 28  
MONTH TO DATE 289 370 -81 330  
SINCE DEC 1 289 370 -81 330  
SINCE JUL 1 1455 1656 -201 1561  
 
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 15 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 7.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 8:00 PM  
LOWEST 66 2:00 PM  
AVERAGE 74  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 58 2015  
MINIMUM TEMPERATURE (F) 22 -10 2013  
 
SUNRISE AND SUNSET  
DECEMBER 12 2023......SUNRISE 7:11 AM CST SUNSET 4:22 PM CST  
DECEMBER 13 2023......SUNRISE 7:12 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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