664  
CDUS43 KLOT 050637  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
137 AM CDT THU SEP 05 2024  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 4 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 82 3:38 PM 93 2012 79 3 92  
MINIMUM 49R 5:43 AM 49 2000 58 -9 67  
2020  
AVERAGE 66 69 -3 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.41 2008 0.10 -0.10 0.00  
MONTH TO DATE 0.00 0.40 -0.40 0.00  
SINCE SEP 1 0.00 0.40 -0.40 0.00  
SINCE JAN 1 24.32 23.77 0.55 22.45  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 3 4 -1 0  
SINCE SEP 1 3 4 -1 0  
SINCE JUL 1 12 15 -3 3  
 
COOLING  
YESTERDAY 1 5 -4 15  
MONTH TO DATE 3 20 -17 37  
SINCE SEP 1 3 20 -17 37  
SINCE JAN 1 801 744 57 711    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 3.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 4:00 AM  
LOWEST 27 3:00 PM  
AVERAGE 60  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 92 1999  
MINIMUM TEMPERATURE (F) 58 42 1997  
 
SUNRISE AND SUNSET  
SEPTEMBER 5 2024.....SUNRISE 6:23 AM CDT SUNSET 7:19 PM CDT  
SEPTEMBER 6 2024.....SUNRISE 6:24 AM CDT SUNSET 7:17 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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