AFOS product CLIBOS
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CLIBOS


CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA                            
103 AM EST SUN DEC 9 2018


................................... 

...THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 8 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1872 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         31    225 PM  65    1927  44    -13       39       
  MINIMUM         20    720 AM  -4    1902  31    -11       31       
  AVERAGE         26                        37    -11       35      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.33 1969   0.12  -0.12     0.00    
  MONTH TO DATE    0.75                      1.05  -0.30     0.63    
  SINCE DEC 1      0.75                      1.05  -0.30     0.63    
  SINCE JAN 1     51.35                     41.04  10.31    41.59    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           1.7  1922   0.3   -0.3      0.0     
  MONTH TO DATE    T                         1.6   -1.6      0.0     
  SINCE DEC 1      T                         1.6   -1.6      0.0     
  SINCE JUL 1      0.1                       2.9   -2.8       T      
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       39                        28     11       30       
  MONTH TO DATE  221                       212      9      188       
  SINCE DEC 1    221                       212      9      188       
  SINCE JUL 1   1245                      1267    -22     1015       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1   1132                       747    385      880       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION  NW (300)      
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     W (290)      
  AVERAGE WIND SPEED    10.5                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    57           500 AM                                     
 LOWEST     21           200 PM                                     
 AVERAGE    39                                                       

..........................................................

                                                                     
THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   43        70      1966                    
 MINIMUM TEMPERATURE (F)   31        -8      1902                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER  9 2018......SUNRISE   701 AM EST   SUNSET   411 PM EST   
DECEMBER 10 2018......SUNRISE   702 AM EST   SUNSET   411 PM EST   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




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