950  
CDUS43 KLOT 012141  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
441 PM CDT WED SEP 01 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 1 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 79 2:14 PM 92 2000 80 -1  
2008  
2011  
MINIMUM 62 5:49 AM 44 2009 59 3  
AVERAGE 71 69 2  
 
PRECIPITATION (IN)  
TODAY 0.00 0.86 2013 0.10 -0.10  
MONTH TO DATE 0.00 0.10 -0.10  
SINCE SEP 1 0.00 0.10 -0.10  
SINCE JAN 1 16.41 23.47 -7.06  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1  
MONTH TO DATE 0 1 -1  
SINCE SEP 1 0 1 -1  
SINCE JUL 1 0 12 -12  
 
COOLING  
TODAY 6 5 1  
MONTH TO DATE 6 5 1  
SINCE SEP 1 6 5 1  
SINCE JAN 1 917 729 188    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION NE (30)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 9.3  
 
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) 80 95 2008  
MINIMUM TEMPERATURE (F) 59 43 2017  
 
SUNRISE AND SUNSET  
SEPTEMBER 1 2021.....SUNRISE 6:19 AM CDT SUNSET 7:26 PM CDT  
SEPTEMBER 2 2021.....SUNRISE 6:20 AM CDT SUNSET 7:24 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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