783  
CDUS43 KLOT 060633  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT MON OCT 06 2025  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 5 2025...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 85R 1:20 PM 85 1997 68 17 84  
2007  
MINIMUM 61 6:30 AM 27 2004 46 15 51  
AVERAGE 73 57 16 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.32 2018 0.10 -0.10 0.00  
MONTH TO DATE 0.00 0.53 -0.53 0.12  
SINCE SEP 1 0.64 3.53 -2.89 1.54  
SINCE JAN 1 21.17 26.90 -5.73 25.86  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 9 -9 0  
MONTH TO DATE 0 41 -41 21  
SINCE SEP 1 47 141 -94 54  
SINCE JUL 1 58 152 -94 63  
 
COOLING  
YESTERDAY 8 1 7 3  
MONTH TO DATE 39 5 34 3  
SINCE SEP 1 166 93 73 113  
SINCE JAN 1 1074 817 257 911    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 11.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 7:00 AM  
LOWEST 26 4:00 PM  
AVERAGE 52  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 88 2007  
MINIMUM TEMPERATURE (F) 46 30 2001  
 
SUNRISE AND SUNSET  
OCTOBER 6 2025.......SUNRISE 6:56 AM CDT SUNSET 6:26 PM CDT  
OCTOBER 7 2025.......SUNRISE 6:57 AM CDT SUNSET 6:24 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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