545  
CDUS43 KLOT 242133  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
433 PM CDT FRI SEP 24 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 24 2021...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE  
VALUE (LST) VALUE VALUE FROM  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 80 2:50 PM 91 2007 73 7  
2017  
MINIMUM 46 5:36 AM 32 2012 50 -4  
AVERAGE 63 62 1  
 
PRECIPITATION (IN)  
TODAY 0.00 0.27 2006 0.11 -0.11  
MONTH TO DATE 0.84 2.42 -1.58  
SINCE SEP 1 0.84 2.42 -1.58  
SINCE JAN 1 17.25 25.79 -8.54  
 
DEGREE DAYS  
HEATING  
TODAY 2 5 -3  
MONTH TO DATE 16 62 -46  
SINCE SEP 1 16 62 -46  
SINCE JUL 1 16 73 -57  
 
COOLING  
TODAY 0 2 -2  
MONTH TO DATE 112 80 32  
SINCE SEP 1 112 80 32  
SINCE JAN 1 1023 804 219    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 10.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 92 2017  
MINIMUM TEMPERATURE (F) 50 38 2001  
 
SUNRISE AND SUNSET  
SEPTEMBER 24 2021.....SUNRISE 6:43 AM CDT SUNSET 6:46 PM CDT  
SEPTEMBER 25 2021.....SUNRISE 6:44 AM CDT SUNSET 6:44 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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