320  
CDUS43 KLOT 080651  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
151 AM CDT THU OCT 08 2026  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 7 2026...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2026  
 
WEATHER ITEM OBSERVED RECORD YEAR NORMAL DEPARTURE LAST  
VALUE VALUE VALUE FROM YEAR  
NORMAL    
........................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 79 88 2007 67 12 68  
MINIMUM 52 27 2001 45 7 48  
AVERAGE 66 56 10 58  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.70 2025 0.10 -0.10 1.70  
MONTH TO DATE 1.39 0.73 0.66 1.79  
SINCE SEP 1 6.13 3.73 2.40 2.43  
SINCE JAN 1 35.27 27.10 8.17 22.96  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 10 -10 7  
MONTH TO DATE 37 60 -23 7  
SINCE SEP 1 90 160 -70 54  
SINCE JUL 1 91 171 -80 65  
 
COOLING  
YESTERDAY 1 1 0 0  
MONTH TO DATE 1 7 -6 47  
SINCE SEP 1 150 95 55 174  
SINCE JAN 1 831 819 12 1082    
........................................................
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 6:00 AM  
LOWEST 29 4:00 PM  
AVERAGE 56  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 87 2007  
MINIMUM TEMPERATURE (F) 45 27 2012  
 
SUNRISE AND SUNSET  
OCTOBER 8 2026.......SUNRISE 6:58 AM CDT SUNSET 6:23 PM CDT  
OCTOBER 9 2026.......SUNRISE 6:59 AM CDT SUNSET 6:21 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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