994  
CDUS43 KLOT 192133  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
433 PM CDT THU SEP 19 2024  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 19 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 88 2:49 PM 90 2021 75 13 65  
MINIMUM 55 5:21 AM 37 2020 52 3 55  
AVERAGE 72 64 8 60  
 
PRECIPITATION (IN)  
TODAY 0.00 2.60 2001 0.10 -0.10 0.16  
MONTH TO DATE T 1.89 -1.89 1.86  
SINCE SEP 1 T 1.89 -1.89 1.86  
SINCE JAN 1 24.32 25.26 -0.94 24.31  
 
DEGREE DAYS  
HEATING  
TODAY 0 4 -4 5  
MONTH TO DATE 22 39 -17 40  
SINCE SEP 1 22 39 -17 40  
SINCE JUL 1 31 50 -19 43  
 
COOLING  
TODAY 7 2 5 0  
MONTH TO DATE 75 70 5 67  
SINCE SEP 1 75 70 5 67  
SINCE JAN 1 873 794 79 741    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 3.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 3:00 AM  
LOWEST 32 1:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 93 2018  
2022  
MINIMUM TEMPERATURE (F) 52 40 2003  
2020  
 
SUNRISE AND SUNSET  
SEPTEMBER 19 2024.....SUNRISE 6:38 AM CDT SUNSET 6:54 PM CDT  
SEPTEMBER 20 2024.....SUNRISE 6:39 AM CDT SUNSET 6:53 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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