412  
CDUS43 KLOT 060633  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT FRI AUG 06 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 5 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 84 3:02 PM 92 2018 83 1 77  
MINIMUM 59 4:02 AM 49 2020 63 -4 49  
AVERAGE 72 73 -1 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.87 0.13 -0.13 0.00  
MONTH TO DATE 0.00 0.68 -0.68 0.14  
SINCE JUN 1 9.20 7.95 1.25 2.33  
SINCE JAN 1 14.35 20.21 -5.86 20.23  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 2  
MONTH TO DATE 0 0 0 4  
SINCE JUN 1 11 37 -26 20  
SINCE JUL 1 0 4 -4 4  
 
COOLING  
YESTERDAY 7 8 -1 0  
MONTH TO DATE 25 40 -15 15  
SINCE JUN 1 536 487 49 598  
SINCE JAN 1 617 543 74 649    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 6.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 90 2001  
MINIMUM TEMPERATURE (F) 63 48 2004  
 
SUNRISE AND SUNSET  
AUGUST 6 2021........SUNRISE 5:52 AM CDT SUNSET 8:05 PM CDT  
AUGUST 7 2021........SUNRISE 5:53 AM CDT SUNSET 8:04 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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