890  
CDUS43 KLOT 082137  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
437 PM CDT SUN AUG 08 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 8 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 90 1:49 PM 92 2001 83 7  
MINIMUM 72 5:29 AM 52 1997 63 9  
1999  
2017  
AVERAGE 81 73 8  
 
PRECIPITATION (IN)  
TODAY T 1.07 2011 0.12 -0.12  
MONTH TO DATE T 1.04 -1.04  
SINCE JUN 1 9.20 8.31 0.89  
SINCE JAN 1 14.35 20.57 -6.22  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0  
MONTH TO DATE 0 0 0  
SINCE JUN 1 11 37 -26  
SINCE JUL 1 0 4 -4  
 
COOLING  
TODAY 16 8 8  
MONTH TO DATE 63 64 -1  
SINCE JUN 1 574 511 63  
SINCE JAN 1 655 567 88    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 11.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
HAZE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 94 2005  
MINIMUM TEMPERATURE (F) 63 49 1999  
 
SUNRISE AND SUNSET  
AUGUST 8 2021........SUNRISE 5:54 AM CDT SUNSET 8:02 PM CDT  
AUGUST 9 2021........SUNRISE 5:55 AM CDT SUNSET 8:01 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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