834  
CDUS43 KLOT 200641  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
141 AM CDT SUN JUN 20 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JUNE 19 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 90 3:28 PM 93 2012 82 8 91  
MINIMUM 62 11:59 PM 45 2003 60 2 63  
AVERAGE 76 71 5 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.43 0.11 -0.11 0.00  
MONTH TO DATE 0.86 2.44 -1.58 0.46  
SINCE JUN 1 0.86 2.44 -1.58 0.46  
SINCE JAN 1 6.01 14.70 -8.69 18.36  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 4 30 -26 16  
SINCE JUN 1 4 30 -26 16  
SINCE JUL 1 6208 6360 -152 6153  
 
COOLING  
YESTERDAY 11 6 5 12  
MONTH TO DATE 167 93 74 126  
SINCE JUN 1 167 93 74 126  
SINCE JAN 1 248 149 99 177    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 10.6  
 
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) 82 93 2012  
MINIMUM TEMPERATURE (F) 60 43 2003  
 
SUNRISE AND SUNSET  
JUNE 20 2021..........SUNRISE 5:18 AM CDT SUNSET 8:32 PM CDT  
JUNE 21 2021..........SUNRISE 5:18 AM CDT SUNSET 8:32 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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