500  
CDUS43 KLOT 040632  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
132 AM CDT SUN JUL 04 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JULY 3 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 85 3:27 PM 94 2012 84 1 91  
MINIMUM 56 2:39 AM 52 2005 63 -7 63  
2008  
AVERAGE 71 73 -2 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.73 0.10 -0.10 0.00  
MONTH TO DATE 0.00 0.30 -0.30 0.00  
SINCE JUN 1 6.71 3.95 2.76 0.50  
SINCE JAN 1 11.86 16.21 -4.35 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 6 8 -2 12  
MONTH TO DATE 11 24 -13 38  
SINCE JUN 1 261 199 62 273  
SINCE JAN 1 342 255 87 324    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 7.2  
 
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 98 2012  
MINIMUM TEMPERATURE (F) 63 50 2008  
 
SUNRISE AND SUNSET  
JULY 4 2021..........SUNRISE 5:23 AM CDT SUNSET 8:31 PM CDT  
JULY 5 2021..........SUNRISE 5:24 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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