647  
CDUS43 KLOT 220633  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT TUE OCT 22 2024  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 21 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 81R 2:57 PM 79 2007 60 21 63  
MINIMUM 48 5:38 AM 23 2018 40 8 40  
AVERAGE 65 50 15 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.38 2006 0.09 -0.09 0.00  
MONTH TO DATE 0.13 2.12 -1.99 2.28  
SINCE SEP 1 1.55 5.12 -3.57 5.05  
SINCE JAN 1 25.87 28.49 -2.62 27.50  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 15 -15 13  
MONTH TO DATE 162 235 -73 197  
SINCE SEP 1 195 335 -140 244  
SINCE JUL 1 204 346 -142 247  
 
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 15 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 7.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 7:00 AM  
LOWEST 23 3:00 PM  
AVERAGE 47  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 79 2022  
MINIMUM TEMPERATURE (F) 40 25 2013  
 
SUNRISE AND SUNSET  
OCTOBER 22 2024.......SUNRISE 7:14 AM CDT SUNSET 6:00 PM CDT  
OCTOBER 23 2024.......SUNRISE 7:15 AM CDT SUNSET 5:59 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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