623  
CDUS43 KLOT 210636  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1236 AM CST TUE NOV 21 2017  
 
   
...............................
 
 
   
..THE CHICAGO EXECUTIVE CLIMATE SUMMARY FOR NOVEMBER 20 2017
 
 
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)  
YESTERDAY  
MAXIMUM 53 349 PM 64 2003 46 7 34  
MINIMUM 31 159 AM 14 2014 30 1 23  
AVERAGE 42 38 4 29  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.20 2007 0.09 -0.09 0.00  
MONTH TO DATE 1.65 2.02 -0.37 0.61  
SINCE SEP 1 10.36 8.17 2.19 5.59  
SINCE JAN 1 41.98 30.65 11.33 30.96  
 
DEGREE DAYS  
HEATING  
YESTERDAY 23 27 -4 36  
MONTH TO DATE 521 454 67 298  
SINCE SEP 1 829 965 -136 598  
SINCE JUL 1 835 975 -140 600  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 3  
SINCE SEP 1 194 92 102 158  
SINCE JAN 1 829 789 40 1071    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 14 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 15.1  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
   
......................................................
 
 
 
THE CHICAGO EXECUTIVE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 62 2010  
MINIMUM TEMPERATURE (F) 30 10 2014  
 
 
SUNRISE AND SUNSET  
NOVEMBER 21 2017......SUNRISE 649 AM CST SUNSET 425 PM CST  
NOVEMBER 22 2017......SUNRISE 650 AM CST SUNSET 425 PM CST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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