923  
CDUS43 KLOT 270643  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
143 AM CDT FRI SEP 27 2024  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 26 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 77 2:20 PM 91 2017 72 5 74  
MINIMUM 50 4:50 AM 38 2000 50 0 62  
AVERAGE 64 61 3 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.91 2011 0.10 -0.10 0.29  
MONTH TO DATE 1.42 2.62 -1.20 2.74  
SINCE SEP 1 1.42 2.62 -1.20 2.74  
SINCE JAN 1 25.74 25.99 -0.25 25.19  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 6 -5 0  
MONTH TO DATE 33 74 -41 40  
SINCE SEP 1 33 74 -41 40  
SINCE JUL 1 42 85 -43 43  
 
COOLING  
YESTERDAY 0 2 -2 3  
MONTH TO DATE 96 84 12 96  
SINCE SEP 1 96 84 12 96  
SINCE JAN 1 894 808 86 770    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 5.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 3:00 AM  
LOWEST 41 4:00 PM  
AVERAGE 67  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 88 2021  
MINIMUM TEMPERATURE (F) 49 39 2001  
2012  
 
SUNRISE AND SUNSET  
SEPTEMBER 27 2024.....SUNRISE 6:46 AM CDT SUNSET 6:41 PM CDT  
SEPTEMBER 28 2024.....SUNRISE 6:47 AM CDT SUNSET 6:39 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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