577  
CDUS43 KLOT 292132  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
432 PM CDT SUN SEP 29 2024  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 29 2024...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 76 2:41 PM 85 2014 70 6 74  
MINIMUM 64 5:14 AM 35 2018 48 16 50  
AVERAGE 70 59 11 62  
 
PRECIPITATION (IN)  
TODAY 0.00 0.69 2019 0.09 -0.09 0.00  
MONTH TO DATE 1.42 2.90 -1.48 2.77  
SINCE SEP 1 1.42 2.90 -1.48 2.77  
SINCE JAN 1 25.74 26.27 -0.53 25.22  
 
DEGREE DAYS  
HEATING  
TODAY 0 7 -7 3  
MONTH TO DATE 33 93 -60 47  
SINCE SEP 1 33 93 -60 47  
SINCE JUL 1 42 104 -62 50  
 
COOLING  
TODAY 5 1 4 0  
MONTH TO DATE 107 87 20 96  
SINCE SEP 1 107 87 20 96  
SINCE JAN 1 905 811 94 770    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 11.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 5:00 AM  
LOWEST 64 3:00 PM  
AVERAGE 76  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 86 2019  
MINIMUM TEMPERATURE (F) 48 35 2004  
 
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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