571  
CDUS43 KLOT 280636  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
136 AM CDT SAT SEP 28 2024  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 27 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 73 1:52 PM 88 2021 71 2 72  
MINIMUM 58 3:32 AM 39 2001 49 9 58  
2012  
AVERAGE 66 60 6 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.00 2019 0.10 -0.10 0.03  
MONTH TO DATE 1.42 2.72 -1.30 2.77  
SINCE SEP 1 1.42 2.72 -1.30 2.77  
SINCE JAN 1 25.74 26.09 -0.35 25.22  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 6 -6 0  
MONTH TO DATE 33 80 -47 40  
SINCE SEP 1 33 80 -47 40  
SINCE JUL 1 42 91 -49 43  
 
COOLING  
YESTERDAY 1 1 0 0  
MONTH TO DATE 97 85 12 96  
SINCE SEP 1 97 85 12 96  
SINCE JAN 1 895 809 86 770    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 16.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 3:00 AM  
LOWEST 48 2:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 84 2013  
MINIMUM TEMPERATURE (F) 49 37 2000  
 
SUNRISE AND SUNSET  
SEPTEMBER 28 2024.....SUNRISE 6:47 AM CDT SUNSET 6:39 PM CDT  
SEPTEMBER 29 2024.....SUNRISE 6:48 AM CDT SUNSET 6:37 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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