930  
CDUS43 KLOT 072148  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
448 PM CDT SAT AUG 07 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 7 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 MM MM 94 2001 83 MM  
MINIMUM 65 MM 50 2004 63 2  
AVERAGE MM 73 MM  
 
PRECIPITATION (IN)  
TODAY 0.00 1.37 2018 0.11 -0.11  
MONTH TO DATE 0.00 0.92 -0.92  
SINCE JUN 1 9.20 8.19 1.01  
SINCE JAN 1 14.35 20.45 -6.10  
 
DEGREE DAYS  
HEATING  
TODAY MM 0 MM  
MONTH TO DATE 0 0 0  
SINCE JUN 1 11 37 -26  
SINCE JUL 1 0 4 -4  
 
COOLING  
TODAY MM 8 MM  
MONTH TO DATE 35 56 -21  
SINCE JUN 1 546 503 43  
SINCE JAN 1 627 559 68    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED MM RESULTANT WIND DIRECTION MM  
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED MM  
 
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) 83 92 2001  
MINIMUM TEMPERATURE (F) 63 52 1997  
1999  
2017  
 
SUNRISE AND SUNSET  
AUGUST 7 2021........SUNRISE 5:53 AM CDT SUNSET 8:04 PM CDT  
AUGUST 8 2021........SUNRISE 5:54 AM CDT SUNSET 8:02 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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