024  
CDUS43 KLOT 080638  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
138 AM CDT SUN OCT 08 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 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 MM MM 88 2007 67 MM 56  
MINIMUM MM MM 27 2001 45 MM 36  
AVERAGE MM 56 MM 46  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.72 2008 0.10 -0.10 0.00  
MONTH TO DATE 0.30 0.73 -0.43 T  
SINCE SEP 1 3.07 3.73 -0.66 2.35  
SINCE JAN 1 25.52 27.10 -1.58 27.08  
 
DEGREE DAYS  
HEATING  
YESTERDAY MM 10 MM 19  
MONTH TO DATE 15 60 -45 65  
SINCE SEP 1 62 160 -98 163  
SINCE JUL 1 65 171 -106 163  
 
COOLING  
YESTERDAY MM 1 MM 0  
MONTH TO DATE 25 7 18 0  
SINCE SEP 1 126 95 31 122  
SINCE JAN 1 800 819 -19 945    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 11.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 2:00 AM  
LOWEST 37 3:00 PM  
AVERAGE 63  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 87 2007  
MINIMUM TEMPERATURE (F) 45 27 2012  
 
SUNRISE AND SUNSET  
OCTOBER 8 2023.......SUNRISE 6:57 AM CDT SUNSET 6:23 PM CDT  
OCTOBER 9 2023.......SUNRISE 6:58 AM CDT SUNSET 6:21 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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