634  
CDUS43 KLOT 100707  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
207 AM CDT THU JUN 10 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JUNE 9 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 4:03 PM 90 1999 79 10 89  
MINIMUM 67 4:03 AM 45 1997 57 10 69  
AVERAGE 78 68 10 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.46 0.14 -0.14 0.33  
MONTH TO DATE 0.02 1.21 -1.19 0.46  
SINCE JUN 1 0.02 1.21 -1.19 0.46  
SINCE JAN 1 5.17 13.47 -8.30 18.36  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 4 20 -16 2  
SINCE JUN 1 4 20 -16 2  
SINCE JUL 1 6208 6350 -142 6139  
 
COOLING  
YESTERDAY 13 5 8 14  
MONTH TO DATE 74 37 37 80  
SINCE JUN 1 74 37 37 80  
SINCE JAN 1 155 93 62 131    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 5.3  
 
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) 79 93 2015  
MINIMUM TEMPERATURE (F) 58 47 2006  
 
SUNRISE AND SUNSET  
JUNE 10 2021..........SUNRISE 5:17 AM CDT SUNSET 8:28 PM CDT  
JUNE 11 2021..........SUNRISE 5:17 AM CDT SUNSET 8:28 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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