500  
CDUS43 KLOT 150632  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
132 AM CDT SUN SEP 15 2024  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 14 2024...  
 
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)  
YESTERDAY  
MAXIMUM 89R 3:09 PM 87 2018 76 13 74  
2021  
MINIMUM 60 5:07 AM 39 2011 55 5 46  
AVERAGE 75 65 10 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.21 2008 0.10 -0.10 0.00  
MONTH TO DATE T 1.39 -1.39 0.75  
SINCE SEP 1 T 1.39 -1.39 0.75  
SINCE JAN 1 24.32 24.76 -0.44 23.20  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 3 -3 5  
MONTH TO DATE 22 22 0 18  
SINCE SEP 1 22 22 0 18  
SINCE JUL 1 31 33 -2 21  
 
COOLING  
YESTERDAY 10 3 7 0  
MONTH TO DATE 40 57 -17 67  
SINCE SEP 1 40 57 -17 67  
SINCE JAN 1 838 781 57 741    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 4.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
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 TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 86 2009  
2017  
MINIMUM TEMPERATURE (F) 54 36 2007  
 
SUNRISE AND SUNSET  
SEPTEMBER 15 2024.....SUNRISE 6:34 AM CDT SUNSET 7:01 PM CDT  
SEPTEMBER 16 2024.....SUNRISE 6:35 AM CDT SUNSET 7:00 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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