405  
CDUS43 KLOT 242134  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CDT SUN SEP 24 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 24 2023...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 77 2:14 PM 91 2007 73 4 72  
2017  
MINIMUM 55 4:15 AM 32 2012 50 5 52  
AVERAGE 66 62 4 62  
 
PRECIPITATION (IN)  
TODAY 0.00 0.27 2006 0.11 -0.11 0.04  
MONTH TO DATE 2.44 2.42 0.02 2.28  
SINCE SEP 1 2.44 2.42 0.02 2.28  
SINCE JAN 1 24.89 25.79 -0.90 27.01  
 
DEGREE DAYS  
HEATING  
TODAY 0 5 -5 3  
MONTH TO DATE 40 62 -22 30  
SINCE SEP 1 40 62 -22 30  
SINCE JUL 1 43 73 -30 30  
 
COOLING  
TODAY 1 2 -1 0  
MONTH TO DATE 89 80 9 122  
SINCE SEP 1 89 80 9 122  
SINCE JAN 1 763 804 -41 945    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 6.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 6:00 AM  
LOWEST 46 12:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 92 2017  
MINIMUM TEMPERATURE (F) 50 38 2001  
 
SUNRISE AND SUNSET  
SEPTEMBER 24 2023.....SUNRISE 6:42 AM CDT SUNSET 6:47 PM CDT  
SEPTEMBER 25 2023.....SUNRISE 6:43 AM CDT SUNSET 6:45 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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