553  
CDUS43 KLOT 162136  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
436 PM CDT MON SEP 16 2024  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 16 2024...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 89R 1:06 PM 89 2018 76 13 67  
MINIMUM 57 5:58 AM 39 2000 54 3 55  
AVERAGE 73 65 8 61  
 
PRECIPITATION (IN)  
TODAY 0.00 0.11 2023 0.10 -0.10 0.11  
MONTH TO DATE T 1.59 -1.59 0.86  
SINCE SEP 1 T 1.59 -1.59 0.86  
SINCE JAN 1 24.32 24.96 -0.64 23.31  
 
DEGREE DAYS  
HEATING  
TODAY 0 3 -3 4  
MONTH TO DATE 22 28 -6 25  
SINCE SEP 1 22 28 -6 25  
SINCE JUL 1 31 39 -8 28  
 
COOLING  
TODAY 8 3 5 0  
MONTH TO DATE 58 63 -5 67  
SINCE SEP 1 58 63 -5 67  
SINCE JAN 1 856 787 69 741    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 2.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 1:00 AM  
LOWEST 25 12:00 PM  
AVERAGE 58  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 92 2018  
MINIMUM TEMPERATURE (F) 53 40 1999  
 
SUNRISE AND SUNSET  
SEPTEMBER 16 2024.....SUNRISE 6:35 AM CDT SUNSET 7:00 PM CDT  
SEPTEMBER 17 2024.....SUNRISE 6:36 AM CDT SUNSET 6:58 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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