800  
CDUS43 KLOT 280636  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
136 AM CDT SAT AUG 28 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 27 2021...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 92 3:13 PM 93 2020 81 11 93  
MINIMUM 69 5:00 AM 47 2015 60 9 74  
AVERAGE 81 70 11 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.80 0.13 -0.13 0.00  
MONTH TO DATE 2.05 3.34 -1.29 0.96  
SINCE JUN 1 11.25 10.61 0.64 3.15  
SINCE JAN 1 16.40 22.87 -6.47 21.05  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 4  
SINCE JUN 1 11 37 -26 20  
SINCE JUL 1 0 4 -4 4  
 
COOLING  
YESTERDAY 16 6 10 19  
MONTH TO DATE 271 197 74 227  
SINCE JUN 1 782 644 138 810  
SINCE JAN 1 863 700 163 861    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION S (170)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 7.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 92 2003  
2020  
MINIMUM TEMPERATURE (F) 60 54 2003  
 
SUNRISE AND SUNSET  
AUGUST 28 2021........SUNRISE 6:15 AM CDT SUNSET 7:33 PM CDT  
AUGUST 29 2021........SUNRISE 6:16 AM CDT SUNSET 7:31 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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