618  
CDUS43 KLOT 182136  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
436 PM CDT FRI JUN 18 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JUNE 18 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 2:59 PM 93 2018 82 7  
MINIMUM 67 6:20 AM 45 1999 60 7  
2005  
AVERAGE 78 71 7  
 
PRECIPITATION (IN)  
TODAY 0.23 1.97 2014 0.12 0.11  
MONTH TO DATE 0.86 2.33 -1.47  
SINCE JUN 1 0.86 2.33 -1.47  
SINCE JAN 1 6.01 14.59 -8.58  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1  
MONTH TO DATE 4 29 -25  
SINCE JUN 1 4 29 -25  
SINCE JUL 1 6208 6359 -151  
 
COOLING  
TODAY 13 6 7  
MONTH TO DATE 155 87 68  
SINCE JUN 1 155 87 68  
SINCE JAN 1 236 143 93    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 37 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 51 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 11.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
FOG  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 93 2012  
MINIMUM TEMPERATURE (F) 60 45 2003  
 
SUNRISE AND SUNSET  
JUNE 18 2021..........SUNRISE 5:17 AM CDT SUNSET 8:31 PM CDT  
JUNE 19 2021..........SUNRISE 5:18 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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