608  
CDUS43 KLOT 042147  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
447 PM CDT WED AUG 04 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 4 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 85 1:13 PM 95 2018 83 2  
MINIMUM 58 4:44 AM 53 2000 63 -5  
AVERAGE 72 73 -1  
 
PRECIPITATION (IN)  
TODAY 0.00 1.46 1998 0.13 -0.13  
MONTH TO DATE 0.00 0.55 -0.55  
SINCE JUN 1 9.20 7.82 1.38  
SINCE JAN 1 14.35 20.08 -5.73  
 
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 7 8 -1  
MONTH TO DATE 18 32 -14  
SINCE JUN 1 529 479 50  
SINCE JAN 1 610 535 75    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION NE (30)  
HIGHEST WIND SPEED 4 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 1.2  
 
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 2018  
MINIMUM TEMPERATURE (F) 63 49 2020  
 
SUNRISE AND SUNSET  
AUGUST 4 2021........SUNRISE 5:50 AM CDT SUNSET 8:07 PM CDT  
AUGUST 5 2021........SUNRISE 5:51 AM CDT SUNSET 8:06 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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