980  
CDUS43 KLOT 040646  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
146 AM CDT WED SEP 04 2024  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 3 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 77 3:06 PM 91 2023 79 -2 91  
MINIMUM 49R 4:20 AM 50 2017 58 -9 63  
AVERAGE 63 69 -6 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.97 2018 0.10 -0.10 0.00  
MONTH TO DATE 0.00 0.30 -0.30 0.00  
SINCE SEP 1 0.00 0.30 -0.30 0.00  
SINCE JAN 1 24.32 23.67 0.65 22.45  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 1 1 0  
MONTH TO DATE 3 3 0 0  
SINCE SEP 1 3 3 0 0  
SINCE JUL 1 12 14 -2 3  
 
COOLING  
YESTERDAY 0 5 -5 12  
MONTH TO DATE 2 15 -13 22  
SINCE SEP 1 2 15 -13 22  
SINCE JAN 1 800 739 61 696    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 3.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 6:00 AM  
LOWEST 35 4:00 PM  
AVERAGE 62  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 93 2012  
MINIMUM TEMPERATURE (F) 58 49 2000  
2020  
 
SUNRISE AND SUNSET  
SEPTEMBER 4 2024.....SUNRISE 6:22 AM CDT SUNSET 7:20 PM CDT  
SEPTEMBER 5 2024.....SUNRISE 6:23 AM CDT SUNSET 7:19 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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