771  
CDUS43 KLOT 110634  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT FRI JUN 11 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JUNE 10 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 4:44 PM 93 2015 79 11 84  
MINIMUM 65 4:25 AM 47 2006 58 7 60  
AVERAGE 78 68 10 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.90 0.13 -0.13 MM  
MONTH TO DATE 0.02 1.34 -1.32 0.46  
SINCE JUN 1 0.02 1.34 -1.32 0.46  
SINCE JAN 1 5.17 13.60 -8.43 18.36  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 4 21 -17 2  
SINCE JUN 1 4 21 -17 2  
SINCE JUL 1 6208 6351 -143 6139  
 
COOLING  
YESTERDAY 13 5 8 7  
MONTH TO DATE 87 42 45 87  
SINCE JUN 1 87 42 45 87  
SINCE JAN 1 168 98 70 138    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION E (70)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 4.4  
 
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) 80 92 2017  
MINIMUM TEMPERATURE (F) 58 49 2006  
 
SUNRISE AND SUNSET  
JUNE 11 2021..........SUNRISE 5:17 AM CDT SUNSET 8:28 PM CDT  
JUNE 12 2021..........SUNRISE 5:17 AM CDT SUNSET 8:29 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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