534  
CDUS43 KLOT 030639  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
139 AM CDT TUE SEP 03 2024  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 2 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 76 4:07 PM 95 2008 80 -4 88  
MINIMUM 52 5:08 AM 43 2017 59 -7 56  
AVERAGE 64 69 -5 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.14 2010 0.10 -0.10 0.00  
MONTH TO DATE 0.00 0.20 -0.20 0.00  
SINCE SEP 1 0.00 0.20 -0.20 0.00  
SINCE JAN 1 24.32 23.57 0.75 22.45  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 1 0 0  
MONTH TO DATE 1 2 -1 0  
SINCE SEP 1 1 2 -1 0  
SINCE JUL 1 10 13 -3 3  
 
COOLING  
YESTERDAY 0 5 -5 7  
MONTH TO DATE 2 10 -8 10  
SINCE SEP 1 2 10 -8 10  
SINCE JAN 1 800 734 66 684    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 3.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1:00 AM  
LOWEST 40 2:00 PM  
AVERAGE 67  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 91 2023  
MINIMUM TEMPERATURE (F) 58 50 2017  
 
SUNRISE AND SUNSET  
SEPTEMBER 3 2024.....SUNRISE 6:21 AM CDT SUNSET 7:22 PM CDT  
SEPTEMBER 4 2024.....SUNRISE 6:22 AM CDT SUNSET 7:20 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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