449  
CDUS43 KLOT 050633  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT MON JUL 05 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JULY 4 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 88 2:20 PM 98 2012 84 4 91  
MINIMUM 67 5:32 AM 50 2008 63 4 65  
AVERAGE 78 73 5 78  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.21 0.11 -0.11 0.00  
MONTH TO DATE 0.00 0.41 -0.41 0.00  
SINCE JUN 1 6.71 4.06 2.65 0.50  
SINCE JAN 1 11.86 16.32 -4.46 18.40  
 
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 13 8 5 13  
MONTH TO DATE 24 32 -8 51  
SINCE JUN 1 274 207 67 286  
SINCE JAN 1 355 263 92 337    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 7.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 99 2012  
MINIMUM TEMPERATURE (F) 63 50 1997  
2008  
 
SUNRISE AND SUNSET  
JULY 5 2021..........SUNRISE 5:24 AM CDT SUNSET 8:31 PM CDT  
JULY 6 2021..........SUNRISE 5:25 AM CDT SUNSET 8:31 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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