119  
CDUS43 KLOT 180633  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT FRI OCT 18 2024  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 17 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 65 2:39 PM 83 2016 62 3 62  
MINIMUM 30 5:29 AM 28 2004 42 -12 34  
AVERAGE 48 52 -4 48  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.05 1998 0.10 -0.10 0.00  
MONTH TO DATE 0.13 1.76 -1.63 2.02  
SINCE SEP 1 1.55 4.76 -3.21 4.79  
SINCE JAN 1 25.87 28.13 -2.26 27.24  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 13 4 17  
MONTH TO DATE 136 177 -41 146  
SINCE SEP 1 169 277 -108 193  
SINCE JUL 1 178 288 -110 196  
 
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 17 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 6.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 4:00 AM  
LOWEST 25 2:00 PM  
AVERAGE 55  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 78 2007  
MINIMUM TEMPERATURE (F) 41 27 2015  
 
SUNRISE AND SUNSET  
OCTOBER 18 2024.......SUNRISE 7:09 AM CDT SUNSET 6:06 PM CDT  
OCTOBER 19 2024.......SUNRISE 7:11 AM CDT SUNSET 6:04 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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