440  
CDUS43 KLOT 052134  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CDT THU SEP 05 2024  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 5 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 86 2:34 PM 92 1999 79 7 89  
MINIMUM 57 5:36 AM 42 1997 58 -1 72  
AVERAGE 72 68 4 81  
 
PRECIPITATION (IN)  
TODAY 0.00 0.08 2018 0.10 -0.10 T  
MONTH TO DATE 0.00 0.50 -0.50 T  
SINCE SEP 1 0.00 0.50 -0.50 T  
SINCE JAN 1 24.32 23.87 0.45 22.45  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 3 5 -2 0  
SINCE SEP 1 3 5 -2 0  
SINCE JUL 1 12 16 -4 3  
 
COOLING  
TODAY 7 4 3 16  
MONTH TO DATE 10 24 -14 53  
SINCE SEP 1 10 24 -14 53  
SINCE JAN 1 808 748 60 727    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 5.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 5:00 AM  
LOWEST 39 1:00 PM  
AVERAGE 63  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 92 2016  
MINIMUM TEMPERATURE (F) 57 41 2000  
 
SUNRISE AND SUNSET  
SEPTEMBER 5 2024.....SUNRISE 6:23 AM CDT SUNSET 7:19 PM CDT  
SEPTEMBER 6 2024.....SUNRISE 6:24 AM CDT SUNSET 7:17 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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