743  
CDUS43 KLOT 180700  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
200 AM CDT FRI JUN 18 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JUNE 17 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 2:38 PM 93 2018 81 8 87  
MINIMUM 52 3:07 AM 46 1997 60 -8 58  
1999  
AVERAGE 71 70 1 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.23 0.12 -0.12 0.00  
MONTH TO DATE 0.63 2.21 -1.58 0.46  
SINCE JUN 1 0.63 2.21 -1.58 0.46  
SINCE JAN 1 5.78 14.47 -8.69 18.36  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 4 28 -24 16  
SINCE JUN 1 4 28 -24 16  
SINCE JUL 1 6208 6358 -150 6153  
 
COOLING  
YESTERDAY 6 6 0 8  
MONTH TO DATE 142 81 61 106  
SINCE JUN 1 142 81 61 106  
SINCE JAN 1 223 137 86 157    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 8.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 93 2018  
MINIMUM TEMPERATURE (F) 60 45 1999  
2005  
 
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.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IL Page
The Nexlab IN Page Main Text Page