229  
CDUS43 KLOT 162141  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
436 PM CDT MON OCT 16 2017  
 
   
...............................
 
 
   
..THE CHICAGO EXECUTIVE CLIMATE SUMMARY FOR OCTOBER 16 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 63 259 PM 79 1998 62 1  
MINIMUM 44 344 AM 35 2003 43 1  
AVERAGE 54 52 2 69  
 
PRECIPITATION (IN)  
TODAY 0.00 0.50 2016 0.09 -0.09  
MONTH TO DATE 6.46 1.58 4.88  
SINCE SEP 1 6.99 4.79 2.20  
SINCE JAN 1 38.61 27.27 11.34  
 
DEGREE DAYS  
HEATING  
TODAY 11 13 -2  
MONTH TO DATE 46 173 -127  
SINCE SEP 1 104 275 -171  
SINCE JUL 1 110 285 -175  
 
COOLING  
TODAY 0 0 0  
MONTH TO DATE 27 11 16  
SINCE SEP 1 189 92 97  
SINCE JAN 1 824 789 35    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 5.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
   
......................................................
 
 
 
THE CHICAGO EXECUTIVE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 82 2016  
MINIMUM TEMPERATURE (F) 42 30 2015  
 
 
SUNRISE AND SUNSET  
OCTOBER 16 2017.......SUNRISE 706 AM CDT SUNSET 608 PM CDT  
OCTOBER 17 2017.......SUNRISE 707 AM CDT SUNSET 606 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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