033  
CDUS43 KLOT 192134  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CDT THU AUG 19 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 19 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 89R 11:54 AM 87 2011 82 7  
2018  
2019  
MINIMUM 67 5:00 AM 51 1997 62 5  
AVERAGE 78 72 6  
 
PRECIPITATION (IN)  
TODAY 0.00 0.35 2009 0.12 -0.12  
MONTH TO DATE 1.84 2.40 -0.56  
SINCE JUN 1 11.04 9.67 1.37  
SINCE JAN 1 16.19 21.93 -5.74  
 
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 13 7 6  
MONTH TO DATE 164 147 17  
SINCE JUN 1 675 594 81  
SINCE JAN 1 756 650 106    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION NE (50)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 2.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 92 2010  
MINIMUM TEMPERATURE (F) 62 51 2002  
 
SUNRISE AND SUNSET  
AUGUST 19 2021........SUNRISE 6:05 AM CDT SUNSET 7:47 PM CDT  
AUGUST 20 2021........SUNRISE 6:07 AM CDT SUNSET 7:45 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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