302  
CDUS43 KLOT 042137  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
437 PM CDT WED SEP 04 2024  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 4 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 82 2:59 PM 93 2012 79 3 92  
MINIMUM 49R 5:43 AM 49 2000 58 -9 67  
2020  
AVERAGE 66 69 -3 80  
 
PRECIPITATION (IN)  
TODAY 0.00 2.41 2008 0.10 -0.10 0.00  
MONTH TO DATE 0.00 0.40 -0.40 0.00  
SINCE SEP 1 0.00 0.40 -0.40 0.00  
SINCE JAN 1 24.32 23.77 0.55 22.45  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 3 4 -1 0  
SINCE SEP 1 3 4 -1 0  
SINCE JUL 1 12 15 -3 3  
 
COOLING  
TODAY 1 5 -4 15  
MONTH TO DATE 3 20 -17 37  
SINCE SEP 1 3 20 -17 37  
SINCE JAN 1 801 744 57 711    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 3.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 4:00 AM  
LOWEST 27 3:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 92 1999  
MINIMUM TEMPERATURE (F) 58 42 1997  
 
SUNRISE AND SUNSET  
SEPTEMBER 4 2024.....SUNRISE 6:22 AM CDT SUNSET 7:20 PM CDT  
SEPTEMBER 5 2024.....SUNRISE 6:23 AM CDT SUNSET 7:19 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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