076  
CDUS43 KLOT 220633  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT SUN SEP 22 2024  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 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 92R 1:17 PM 92 2017 74 18 75  
MINIMUM 56 5:35 AM 40 2006 52 4 62  
AVERAGE 74 63 11 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.51 2019 0.11 -0.11 0.19  
MONTH TO DATE 0.05 2.11 -2.06 2.30  
SINCE SEP 1 0.05 2.11 -2.06 2.30  
SINCE JAN 1 24.37 25.48 -1.11 24.75  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4 0  
MONTH TO DATE 22 47 -25 40  
SINCE SEP 1 22 47 -25 40  
SINCE JUL 1 31 58 -27 43  
 
COOLING  
YESTERDAY 9 2 7 4  
MONTH TO DATE 94 74 20 76  
SINCE SEP 1 94 74 20 76  
SINCE JAN 1 892 798 94 750    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 3.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 4:00 AM  
LOWEST 26 12:00 PM  
AVERAGE 57  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 94 2017  
MINIMUM TEMPERATURE (F) 51 38 1999  
 
SUNRISE AND SUNSET  
SEPTEMBER 22 2024.....SUNRISE 6:41 AM CDT SUNSET 6:49 PM CDT  
SEPTEMBER 23 2024.....SUNRISE 6:42 AM CDT SUNSET 6:47 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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