339 
CDUS41 KBOX 180539
CLIBOS


CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA                            
1239 AM EST FRI JAN 18 2019


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

...THE BOSTON MA CLIMATE SUMMARY FOR JANUARY 17 2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1872 TO 2019


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         33   1223 AM  59    1913  35     -2       34       
  MINIMUM         18    827 AM  -4    1907  22     -4       31       
  AVERAGE         26                        29     -3       33      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.25 1909   0.11  -0.11     0.21    
  MONTH TO DATE    1.08                      1.88  -0.80     3.42    
  SINCE DEC 1      3.80                      5.66  -1.86     5.91    
  SINCE JAN 1      1.08                      1.88  -0.80     3.42    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           6.1  1956   0.4   -0.4      1.7     
  MONTH TO DATE    T                         7.3   -7.3     15.4     
  SINCE DEC 1      0.1                      16.3  -16.2     24.6     
  SINCE JUL 1      0.2                      17.6  -17.4     24.6     
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       39                        36      3       32       
  MONTH TO DATE  546                       608    -62      685       
  SINCE DEC 1   1400                      1547   -147     1742       
  SINCE JUL 1   2424                      2602   -178     2569       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1      0                         0      0        0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION  NW (320)      
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    NW (330)      
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    NW (330)      
  AVERAGE WIND SPEED     9.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    50           900 PM                                     
 LOWEST     19           200 PM                                     
 AVERAGE    35                                                       

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

                                                                     
THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   35        63      1990                    
 MINIMUM TEMPERATURE (F)   22        -3      1974                    

                                                                     
SUNRISE AND SUNSET                                                   
JANUARY 18 2019.......SUNRISE   709 AM EST   SUNSET   440 PM EST   
JANUARY 19 2019.......SUNRISE   709 AM EST   SUNSET   441 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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