721  
CDUS43 KLOT 092132  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
432 PM CDT MON SEP 09 2024  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 9 2024...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 80 2:53 PM 90 2013 78 2 78  
MINIMUM 52 6:04 AM 46 2008 56 -4 51  
2010  
AVERAGE 66 67 -1 65  
 
PRECIPITATION (IN)  
TODAY 0.00 0.51 2001 0.10 -0.10 0.00  
MONTH TO DATE T 0.91 -0.91 0.04  
SINCE SEP 1 T 0.91 -0.91 0.04  
SINCE JAN 1 24.32 24.28 0.04 22.49  
 
DEGREE DAYS  
HEATING  
TODAY 0 2 -2 0  
MONTH TO DATE 22 11 11 2  
SINCE SEP 1 22 11 11 2  
SINCE JUL 1 31 22 9 5  
 
COOLING  
TODAY 1 4 -3 0  
MONTH TO DATE 11 40 -29 66  
SINCE SEP 1 11 40 -29 66  
SINCE JAN 1 809 764 45 740    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 9.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 3:00 AM  
LOWEST 39 2:00 PM  
AVERAGE 58  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 92 2005  
2013  
MINIMUM TEMPERATURE (F) 56 42 1999  
2017  
 
SUNRISE AND SUNSET  
SEPTEMBER 9 2024.....SUNRISE 6:27 AM CDT SUNSET 7:12 PM CDT  
SEPTEMBER 10 2024.....SUNRISE 6:29 AM CDT SUNSET 7:10 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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