879  
CDUS43 KLOT 062136  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
436 PM CDT SUN SEP 06 2026  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 6 2026...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 80 MM 92 2016 79 1 68  
MINIMUM 64 MM 41 2000 57 7 44  
AVERAGE 72 68 4 56  
 
PRECIPITATION (IN)  
TODAY 0.00 1.33 2020 0.10 -0.10 0.00  
MONTH TO DATE T 0.60 -0.60 0.03  
SINCE SEP 1 T 0.60 -0.60 0.03  
SINCE JAN 1 29.14 23.97 5.17 20.56  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 9  
MONTH TO DATE 0 6 -6 27  
SINCE SEP 1 0 6 -6 27  
SINCE JUL 1 1 17 -16 38  
 
COOLING  
TODAY 7 4 3 0  
MONTH TO DATE 92 28 64 2  
SINCE SEP 1 92 28 64 2  
SINCE JAN 1 773 752 21 910    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 8.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1:00 AM  
LOWEST 50 1:00 PM  
AVERAGE 74  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 90 2016  
2021  
MINIMUM TEMPERATURE (F) 57 42 2025  
 
SUNRISE AND SUNSET  
SEPTEMBER 6 2026.....SUNRISE 6:24 AM CDT SUNSET 7:18 PM CDT  
SEPTEMBER 7 2026.....SUNRISE 6:25 AM CDT SUNSET 7:16 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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