546  
CDUS43 KLOT 072141  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
441 PM CDT WED JUL 07 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JULY 7 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 89 1:53 PM 100 2012 84 5  
MINIMUM 71 4:36 AM 51 1997 63 8  
AVERAGE 80 74 6  
 
PRECIPITATION (IN)  
TODAY 0.00 0.85 2016 0.11 -0.11  
MONTH TO DATE 0.00 0.73 -0.73  
SINCE JUN 1 6.71 4.38 2.33  
SINCE JAN 1 11.86 16.64 -4.78  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0  
MONTH TO DATE 0 0 0  
SINCE JUN 1 11 33 -22  
SINCE JUL 1 0 0 0  
 
COOLING  
TODAY 15 9 6  
MONTH TO DATE 71 59 12  
SINCE JUN 1 321 234 87  
SINCE JAN 1 402 290 112    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 9.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 93 2002  
MINIMUM TEMPERATURE (F) 63 51 2015  
 
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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