469  
CDUS43 KLOT 120643  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
143 AM CDT SAT JUN 12 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JUNE 11 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 93R 11:21 AM 92 2017 80 13 81  
MINIMUM 66 3:25 AM 49 2006 58 8 56  
AVERAGE 80 69 11 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 1.15 0.13 -0.11 0.00  
MONTH TO DATE 0.04 1.47 -1.43 0.46  
SINCE JUN 1 0.04 1.47 -1.43 0.46  
SINCE JAN 1 5.19 13.73 -8.54 18.36  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 4 22 -18 2  
SINCE JUN 1 4 22 -18 2  
SINCE JUL 1 6208 6352 -144 6139  
 
COOLING  
YESTERDAY 15 5 10 4  
MONTH TO DATE 102 47 55 91  
SINCE JUN 1 102 47 55 91  
SINCE JAN 1 183 103 80 142    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 3.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 93 2017  
MINIMUM TEMPERATURE (F) 58 45 2006  
 
SUNRISE AND SUNSET  
JUNE 12 2021..........SUNRISE 5:17 AM CDT SUNSET 8:29 PM CDT  
JUNE 13 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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