527  
CDUS43 KLOT 290632  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
132 AM CDT SUN SEP 29 2024  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 28 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 74 12:49 PM 84 2013 71 3 70  
MINIMUM 66 4:20 AM 37 2000 49 17 52  
AVERAGE 70 60 10 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.95 1999 0.09 -0.09 T  
MONTH TO DATE 1.42 2.81 -1.39 2.77  
SINCE SEP 1 1.42 2.81 -1.39 2.77  
SINCE JAN 1 25.74 26.18 -0.44 25.22  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 6 -6 4  
MONTH TO DATE 33 86 -53 44  
SINCE SEP 1 33 86 -53 44  
SINCE JUL 1 42 97 -55 47  
 
COOLING  
YESTERDAY 5 1 4 0  
MONTH TO DATE 102 86 16 96  
SINCE SEP 1 102 86 16 96  
SINCE JAN 1 900 810 90 770    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 14.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 9:00 AM  
LOWEST 59 7:00 PM  
AVERAGE 69  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 85 2014  
MINIMUM TEMPERATURE (F) 48 35 2018  
 
SUNRISE AND SUNSET  
SEPTEMBER 29 2024.....SUNRISE 6:48 AM CDT SUNSET 6:37 PM CDT  
SEPTEMBER 30 2024.....SUNRISE 6:49 AM CDT SUNSET 6:35 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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