705  
CDUS43 KLOT 022138  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
438 PM CDT THU SEP 02 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 2 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 2:20 PM 95 2008 80 0  
MINIMUM 57 3:55 AM 43 2017 59 -2  
AVERAGE 69 69 0  
 
PRECIPITATION (IN)  
TODAY 0.00 1.14 2010 0.10 -0.10  
MONTH TO DATE 0.00 0.20 -0.20  
SINCE SEP 1 0.00 0.20 -0.20  
SINCE JAN 1 16.41 23.57 -7.16  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1  
MONTH TO DATE 0 2 -2  
SINCE SEP 1 0 2 -2  
SINCE JUL 1 0 13 -13  
 
COOLING  
TODAY 4 5 -1  
MONTH TO DATE 7 10 -3  
SINCE SEP 1 7 10 -3  
SINCE JAN 1 918 734 184    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 3.5  
 
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) 79 90 1999  
2012  
2015  
MINIMUM TEMPERATURE (F) 58 50 2017  
 
SUNRISE AND SUNSET  
SEPTEMBER 2 2021.....SUNRISE 6:20 AM CDT SUNSET 7:24 PM CDT  
SEPTEMBER 3 2021.....SUNRISE 6:21 AM CDT SUNSET 7:23 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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