602  
CDUS43 KLOT 210631  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
131 AM CDT MON OCT 21 2024  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 20 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 79 2:09 PM 84 2003 61 18 61  
MINIMUM 45 6:02 AM 26 2018 41 4 41  
AVERAGE 62 50 12 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.17 2008 0.09 -0.09 0.00  
MONTH TO DATE 0.13 2.03 -1.90 2.28  
SINCE SEP 1 1.55 5.03 -3.48 5.05  
SINCE JAN 1 25.87 28.40 -2.53 27.50  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 15 -12 14  
MONTH TO DATE 162 220 -58 184  
SINCE SEP 1 195 320 -125 231  
SINCE JUL 1 204 331 -127 234  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 3 9 -6 25  
SINCE SEP 1 113 97 16 126  
SINCE JAN 1 911 821 90 800    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 9.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 6:00 AM  
LOWEST 26 1:00 PM  
AVERAGE 49  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 79 2007  
MINIMUM TEMPERATURE (F) 40 23 2018  
 
SUNRISE AND SUNSET  
OCTOBER 21 2024.......SUNRISE 7:13 AM CDT SUNSET 6:01 PM CDT  
OCTOBER 22 2024.......SUNRISE 7:14 AM CDT SUNSET 6:00 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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