222  
CDUS43 KLOT 062134  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CDT MON SEP 06 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 6 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 83 2:05 PM 92 2016 79 4  
MINIMUM 55 5:37 AM 41 2000 57 -2  
AVERAGE 69 68 1  
 
PRECIPITATION (IN)  
TODAY 0.00 1.33 2020 0.10 -0.10  
MONTH TO DATE 0.02 0.60 -0.58  
SINCE SEP 1 0.02 0.60 -0.58  
SINCE JAN 1 16.43 23.97 -7.54  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1  
MONTH TO DATE 0 6 -6  
SINCE SEP 1 0 6 -6  
SINCE JUL 1 0 17 -17  
 
COOLING  
TODAY 4 4 0  
MONTH TO DATE 16 28 -12  
SINCE SEP 1 16 28 -12  
SINCE JAN 1 927 752 175    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 2.9  
 
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) 78 90 2016  
MINIMUM TEMPERATURE (F) 57 46 2011  
 
SUNRISE AND SUNSET  
SEPTEMBER 6 2021.....SUNRISE 6:24 AM CDT SUNSET 7:18 PM CDT  
SEPTEMBER 7 2021.....SUNRISE 6:25 AM CDT SUNSET 7:16 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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