904  
CDUS43 KLOT 200631  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
131 AM CDT SUN OCT 20 2024  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 19 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 72 2:42 PM 75 2000 61 11 58  
MINIMUM 36 5:46 AM 28 1997 41 -5 47  
AVERAGE 54 51 3 53  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.18 2023 0.09 -0.09 0.18  
MONTH TO DATE 0.13 1.94 -1.81 2.28  
SINCE SEP 1 1.55 4.94 -3.39 5.05  
SINCE JAN 1 25.87 28.31 -2.44 27.50  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 14 -3 12  
MONTH TO DATE 159 205 -46 170  
SINCE SEP 1 192 305 -113 217  
SINCE JUL 1 201 316 -115 220  
 
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 14 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 5.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 5:00 AM  
LOWEST 31 4:00 PM  
AVERAGE 62  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 84 2003  
MINIMUM TEMPERATURE (F) 41 26 2018  
 
SUNRISE AND SUNSET  
OCTOBER 20 2024.......SUNRISE 7:12 AM CDT SUNSET 6:03 PM CDT  
OCTOBER 21 2024.......SUNRISE 7:13 AM CDT SUNSET 6:01 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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