044  
CDUS43 KLOT 172135  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
435 PM CDT THU JUN 17 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JUNE 17 2021...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE  
VALUE (LST) VALUE VALUE FROM  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 89 2:38 PM 93 2018 81 8  
MINIMUM 52 3:07 AM 46 1997 60 -8  
1999  
AVERAGE 71 70 1  
 
PRECIPITATION (IN)  
TODAY 0.00 0.23 2015 0.12 -0.12  
MONTH TO DATE 0.63 2.21 -1.58  
SINCE JUN 1 0.63 2.21 -1.58  
SINCE JAN 1 5.78 14.47 -8.69  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1  
MONTH TO DATE 4 28 -24  
SINCE JUN 1 4 28 -24  
SINCE JUL 1 6208 6358 -150  
 
COOLING  
TODAY 6 6 0  
MONTH TO DATE 142 81 61  
SINCE JUN 1 142 81 61  
SINCE JAN 1 223 137 86    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 6.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 93 2018  
MINIMUM TEMPERATURE (F) 60 45 1999  
2005  
 
SUNRISE AND SUNSET  
JUNE 17 2021..........SUNRISE 5:17 AM CDT SUNSET 8:31 PM CDT  
JUNE 18 2021..........SUNRISE 5:17 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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