490  
CDUS43 KLOT 200636  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
136 AM CDT THU JUL 20 2017  
 
   
...............................
 
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JULY 19 2017...  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1997 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 89 159 PM 97 2011 85 4 88  
MINIMUM 67 444 AM 54 2014 63 4 64  
AVERAGE 78 74 4 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.31 1.44 0.16 0.15 0.00  
MONTH TO DATE 1.68 2.23 -0.55 2.06  
SINCE JUN 1 4.86 6.12 -1.26 5.20  
SINCE JAN 1 22.21 19.14 3.07 19.48  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 1 0 1 1  
SINCE JUN 1 18 36 -18 13  
SINCE JUL 1 1 0 1 1  
 
COOLING  
YESTERDAY 13 9 4 11  
MONTH TO DATE 131 171 -40 145  
SINCE JUN 1 310 349 -39 320  
SINCE JAN 1 333 395 -62 393    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION E (110)  
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 4.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
   
......................................................
 
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 97 2011  
MINIMUM TEMPERATURE (F) 63 54 2009  
 
 
SUNRISE AND SUNSET  
JULY 20 2017..........SUNRISE 535 AM CDT SUNSET 823 PM CDT  
JULY 21 2017..........SUNRISE 536 AM CDT SUNSET 822 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