314  
CDUS43 KLOT 160633  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT MON SEP 16 2024  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 15 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 2:47 PM 86 2009 76 13 77  
2017  
MINIMUM 60 3:56 AM 36 2007 54 6 47  
AVERAGE 75 65 10 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.59 2013 0.10 -0.10 0.00  
MONTH TO DATE T 1.49 -1.49 0.75  
SINCE SEP 1 T 1.49 -1.49 0.75  
SINCE JAN 1 24.32 24.86 -0.54 23.20  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 3 -3 3  
MONTH TO DATE 22 25 -3 21  
SINCE SEP 1 22 25 -3 21  
SINCE JUL 1 31 36 -5 24  
 
COOLING  
YESTERDAY 10 3 7 0  
MONTH TO DATE 50 60 -10 67  
SINCE SEP 1 50 60 -10 67  
SINCE JAN 1 848 784 64 741    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 3.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 4:00 AM  
LOWEST 34 2:00 PM  
AVERAGE 65  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 89 2018  
MINIMUM TEMPERATURE (F) 54 39 2000  
 
SUNRISE AND SUNSET  
SEPTEMBER 16 2024.....SUNRISE 6:35 AM CDT SUNSET 7:00 PM CDT  
SEPTEMBER 17 2024.....SUNRISE 6:36 AM CDT SUNSET 6:58 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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