660  
CDUS43 KLOT 222142  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
441 PM CDT TUE AUG 22 2017  
 
   
...............................
 
 
   
..THE CHICAGO EXECUTIVE CLIMATE SUMMARY FOR AUGUST 22 2017
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1996 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 81 158 PM 90 2007 81 0  
1996  
MINIMUM 71 727 AM 51 2004 63 8  
AVERAGE 76 72 4 67  
 
PRECIPITATION (IN)  
TODAY 0.01 1.34 2001 0.11 -0.10  
MONTH TO DATE 1.50 2.70 -1.20  
SINCE JUN 1 14.90 10.03 4.87  
SINCE JAN 1 31.48 21.52 9.96  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0  
MONTH TO DATE 4 0 4  
SINCE JUN 1 18 56 -38  
SINCE JUL 1 4 4 0  
 
COOLING  
TODAY 11 7 4  
MONTH TO DATE 148 175 -27  
SINCE JUN 1 585 598 -13  
SINCE JAN 1 609 640 -31    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 11.9  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
   
......................................................
 
 
 
THE CHICAGO EXECUTIVE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 91 2012  
1998  
MINIMUM TEMPERATURE (F) 63 53 1997  
 
 
SUNRISE AND SUNSET  
AUGUST 22 2017........SUNRISE 607 AM CDT SUNSET 741 PM CDT  
AUGUST 23 2017........SUNRISE 608 AM CDT SUNSET 740 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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