336  
CDUS43 KLOT 272135  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
435 PM CDT FRI AUG 27 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 27 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 92 2:59 PM 93 2020 81 11  
MINIMUM 69 5:00 AM 47 2015 60 9  
AVERAGE 81 70 11  
 
PRECIPITATION (IN)  
TODAY 0.00 0.80 2016 0.13 -0.13  
MONTH TO DATE 2.05 3.34 -1.29  
SINCE JUN 1 11.25 10.61 0.64  
SINCE JAN 1 16.40 22.87 -6.47  
 
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 6 10  
MONTH TO DATE 271 197 74  
SINCE JUN 1 782 644 138  
SINCE JAN 1 863 700 163    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (170)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 5.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 92 2003  
2020  
MINIMUM TEMPERATURE (F) 60 54 2003  
 
SUNRISE AND SUNSET  
AUGUST 27 2021........SUNRISE 6:14 AM CDT SUNSET 7:34 PM CDT  
AUGUST 28 2021........SUNRISE 6:15 AM CDT SUNSET 7:33 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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