277  
CDUS43 KLOT 010634  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT SUN SEP 01 2024  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 31 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 83 1:32 PM 91 2000 80 3 80  
2010  
2012  
MINIMUM 58 4:19 AM 43 2009 59 -1 49  
AVERAGE 71 70 1 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.94 2013 0.13 -0.13 0.00  
MONTH TO DATE 2.09 3.84 -1.75 1.13  
SINCE JUN 1 11.68 11.11 0.57 11.92  
SINCE JAN 1 24.32 23.37 0.95 22.45  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 6 2 4 3  
SINCE JUN 1 22 39 -17 32  
SINCE JUL 1 9 6 3 3  
 
COOLING  
YESTERDAY 6 5 1 0  
MONTH TO DATE 240 221 19 207  
SINCE JUN 1 744 668 76 623  
SINCE JAN 1 798 724 74 674    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 4.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 3:00 AM  
LOWEST 42 2:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 92 2000  
2008  
2011  
MINIMUM TEMPERATURE (F) 59 44 2009  
 
SUNRISE AND SUNSET  
SEPTEMBER 1 2024.....SUNRISE 6:19 AM CDT SUNSET 7:26 PM CDT  
SEPTEMBER 2 2024.....SUNRISE 6:20 AM CDT SUNSET 7:24 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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