162  
CDUS43 KLOT 070653  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
153 AM CDT TUE OCT 07 2025  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 6 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 84 1:51 PM 88 2007 67 17 73  
MINIMUM 61 5:43 AM 30 2001 46 15 46  
AVERAGE 73 56 17 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.09 0.47 2017 0.10 -0.01 0.00  
MONTH TO DATE 0.09 0.63 -0.54 0.12  
SINCE SEP 1 0.73 3.63 -2.90 1.54  
SINCE JAN 1 21.26 27.00 -5.74 25.86  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 9 -9 5  
MONTH TO DATE 0 50 -50 26  
SINCE SEP 1 47 150 -103 59  
SINCE JUL 1 58 161 -103 68  
 
COOLING  
YESTERDAY 8 1 7 0  
MONTH TO DATE 47 6 41 3  
SINCE SEP 1 174 94 80 113  
SINCE JAN 1 1082 818 264 911    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 7.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 11:00 PM  
LOWEST 49 2:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 88 2007  
MINIMUM TEMPERATURE (F) 45 27 2001  
 
SUNRISE AND SUNSET  
OCTOBER 7 2025.......SUNRISE 6:57 AM CDT SUNSET 6:24 PM CDT  
OCTOBER 8 2025.......SUNRISE 6:58 AM CDT SUNSET 6:22 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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