120  
CDUS43 KLOT 020637  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1237 AM CST SAT DEC 02 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 1 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 43 2:32 PM 58 2012 41 2 36  
MINIMUM 38 11:59 PM 10 2002 26 12 15  
AVERAGE 41 33 8 26  
 
PRECIPITATION (IN)  
YESTERDAY 0.55 0.85 2018 0.07 0.48 0.00  
MONTH TO DATE 0.55 0.07 0.48 0.00  
SINCE DEC 1 0.55 0.07 0.48 0.00  
SINCE JAN 1 29.21 31.63 -2.42 29.84  
 
DEGREE DAYS  
HEATING  
YESTERDAY 24 32 -8 39  
MONTH TO DATE 24 32 -8 39  
SINCE DEC 1 24 32 -8 39  
SINCE JUL 1 1190 1318 -128 1270  
 
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 E (70)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 8.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 11:00 AM  
LOWEST 70 1:00 AM  
AVERAGE 83  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 40 63 2012  
MINIMUM TEMPERATURE (F) 25 7 2006  
 
SUNRISE AND SUNSET  
DECEMBER 2 2023......SUNRISE 7:02 AM CST SUNSET 4:23 PM CST  
DECEMBER 3 2023......SUNRISE 7:03 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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