032  
CDUS43 KLOT 120633  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT THU OCT 12 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 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 64 3:27 PM 82 2010 65 -1 69  
MINIMUM 33 5:33 AM 28 2009 44 -11 43  
AVERAGE 49 54 -5 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.33 1.25 2019 0.11 0.22 0.61  
MONTH TO DATE 0.63 1.15 -0.52 0.61  
SINCE SEP 1 3.40 4.15 -0.75 2.96  
SINCE JAN 1 25.85 27.52 -1.67 27.69  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 11 5 9  
MONTH TO DATE 64 102 -38 114  
SINCE SEP 1 111 202 -91 212  
SINCE JUL 1 114 213 -99 212  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 25 9 16 0  
SINCE SEP 1 126 97 29 122  
SINCE JAN 1 800 821 -21 945    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 3.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 9:00 PM  
LOWEST 34 12:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 84 2008  
MINIMUM TEMPERATURE (F) 43 30 2006  
 
SUNRISE AND SUNSET  
OCTOBER 12 2023.......SUNRISE 7:02 AM CDT SUNSET 6:17 PM CDT  
OCTOBER 13 2023.......SUNRISE 7:03 AM CDT SUNSET 6:15 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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