433  
CDUS43 KLOT 260639  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
139 AM CDT THU SEP 26 2024  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 25 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 76 4:04 PM 92 2017 72 4 74  
MINIMUM 52 6:08 AM 38 2001 50 2 63  
AVERAGE 64 61 3 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.23 2018 0.10 -0.10 0.01  
MONTH TO DATE 1.42 2.52 -1.10 2.45  
SINCE SEP 1 1.42 2.52 -1.10 2.45  
SINCE JAN 1 25.74 25.89 -0.15 24.90  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 6 -5 0  
MONTH TO DATE 32 68 -36 40  
SINCE SEP 1 32 68 -36 40  
SINCE JUL 1 41 79 -38 43  
 
COOLING  
YESTERDAY 0 2 -2 4  
MONTH TO DATE 96 82 14 93  
SINCE SEP 1 96 82 14 93  
SINCE JAN 1 894 806 88 767    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 3.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 12:00 AM  
LOWEST 39 4:00 PM  
AVERAGE 68  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 91 2017  
MINIMUM TEMPERATURE (F) 50 38 2000  
 
SUNRISE AND SUNSET  
SEPTEMBER 26 2024.....SUNRISE 6:45 AM CDT SUNSET 6:42 PM CDT  
SEPTEMBER 27 2024.....SUNRISE 6:46 AM CDT SUNSET 6:41 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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