083  
CDUS43 KLOT 150635  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
135 AM CDT THU JUL 15 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JULY 14 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 83 1:44 PM 95 2019 84 -1 84  
MINIMUM 65 5:08 AM 52 2002 64 1 61  
AVERAGE 74 74 0 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.82 0.12 -0.11 0.00  
MONTH TO DATE 0.49 1.57 -1.08 0.17  
SINCE JUN 1 7.20 5.22 1.98 0.67  
SINCE JAN 1 12.35 17.48 -5.13 18.57  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 11 33 -22 16  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 9 9 0 8  
MONTH TO DATE 99 122 -23 171  
SINCE JUN 1 349 297 52 406  
SINCE JAN 1 430 353 77 457    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 10.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 94 2006  
MINIMUM TEMPERATURE (F) 64 53 2014  
 
SUNRISE AND SUNSET  
JULY 15 2021..........SUNRISE 5:31 AM CDT SUNSET 8:26 PM CDT  
JULY 16 2021..........SUNRISE 5:32 AM CDT SUNSET 8:26 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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