106  
CDUS43 KLOT 070637  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
137 AM CDT WED JUL 07 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JULY 6 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 89 2:11 PM 100 2012 84 5 92  
MINIMUM 74 11:59 PM 49 2001 63 11 68  
AVERAGE 82 74 8 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.44 0.11 -0.11 0.00  
MONTH TO DATE 0.00 0.62 -0.62 0.00  
SINCE JUN 1 6.71 4.27 2.44 0.50  
SINCE JAN 1 11.86 16.53 -4.67 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 17 9 8 15  
MONTH TO DATE 56 50 6 79  
SINCE JUN 1 306 225 81 314  
SINCE JAN 1 387 281 106 365    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 9.8  
 
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) 84 100 2012  
MINIMUM TEMPERATURE (F) 63 51 1997  
 
SUNRISE AND SUNSET  
JULY 7 2021..........SUNRISE 5:25 AM CDT SUNSET 8:30 PM CDT  
JULY 8 2021..........SUNRISE 5:26 AM CDT SUNSET 8:30 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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