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CLIBOS


CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA                            
115 AM EST MON DEC 16 2019


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

...THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 15 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         55   1209 AM  66    1975  41     14       55       
  MINIMUM         34   1159 PM  -2    1874  28      6       40       
  AVERAGE         45                        35     10       48      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.51 1981   0.13  -0.13     0.00    
  MONTH TO DATE    3.77                      1.93   1.84     0.75    
  SINCE DEC 1      3.77                      1.93   1.84     0.75    
  SINCE JAN 1     48.08                     41.92   6.16    51.35    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           6.1  1916   0.2   -0.2      0.0     
  MONTH TO DATE   10.1                       3.4    6.7       T      
  SINCE DEC 1     10.1                       3.4    6.7       T      
  SINCE JUL 1     10.1                       4.7    5.4      0.1     
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       20                        30    -10       17       
  MONTH TO DATE  397                       415    -18      436       
  SINCE DEC 1    397                       415    -18      436       
  SINCE JUL 1   1319                      1470   -151     1460       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1   1013                       747    266     1132       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  23   RESULTANT WIND DIRECTION   W (270)      
  HIGHEST WIND SPEED    33   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    46   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED    22.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    66          1200 AM                                     
 LOWEST     35           900 PM                                     
 AVERAGE    51                                                       

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

                                                                     
THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   41        64      1971                    
 MINIMUM TEMPERATURE (F)   28         1      1883                    
                                             1876                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 16 2019......SUNRISE   707 AM EST   SUNSET   412 PM EST   
DECEMBER 17 2019......SUNRISE   707 AM EST   SUNSET   413 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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