243  
CDUS43 KLOT 090635  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
135 AM CDT MON SEP 09 2024  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 8 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 72 4:13 PM 90 2002 78 -6 70  
MINIMUM 44R 5:27 AM 48 2010 57 -13 56  
AVERAGE 58 67 -9 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.22 2008 0.11 -0.11 T  
MONTH TO DATE T 0.81 -0.81 0.04  
SINCE SEP 1 T 0.81 -0.81 0.04  
SINCE JAN 1 24.32 24.18 0.14 22.49  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 2 5 2  
MONTH TO DATE 22 9 13 2  
SINCE SEP 1 22 9 13 2  
SINCE JUL 1 31 20 11 5  
 
COOLING  
YESTERDAY 0 4 -4 0  
MONTH TO DATE 10 36 -26 66  
SINCE SEP 1 10 36 -26 66  
SINCE JAN 1 808 760 48 740    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 6.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 2:00 AM  
LOWEST 41 3:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 90 2013  
MINIMUM TEMPERATURE (F) 56 46 2008  
2010  
 
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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