408  
CDUS43 KLOT 050632  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
132 AM CDT SUN SEP 05 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 4 2021...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 74 3:03 PM 93 2012 79 -5 79  
MINIMUM 58 11:48 PM 49 2000 58 0 49  
2020  
AVERAGE 66 69 -3 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 2.41 0.10 -0.09 0.00  
MONTH TO DATE 0.02 0.40 -0.38 0.25  
SINCE SEP 1 0.02 0.40 -0.38 0.25  
SINCE JAN 1 16.43 23.77 -7.34 21.30  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 1  
MONTH TO DATE 0 4 -4 1  
SINCE SEP 1 0 4 -4 1  
SINCE JUL 1 0 15 -15 5  
 
COOLING  
YESTERDAY 1 5 -4 0  
MONTH TO DATE 8 20 -12 20  
SINCE SEP 1 8 20 -12 20  
SINCE JAN 1 919 744 175 913    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 6.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 92 1999  
MINIMUM TEMPERATURE (F) 58 42 1997  
 
SUNRISE AND SUNSET  
SEPTEMBER 5 2021.....SUNRISE 6:23 AM CDT SUNSET 7:19 PM CDT  
SEPTEMBER 6 2021.....SUNRISE 6:24 AM CDT SUNSET 7:18 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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