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CLIBOS


CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA                            
1254 AM EST SUN DEC 22 2019


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

...THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 21 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         35    807 PM  65    2018  39     -4       65       
  MINIMUM         22    723 AM  -5    1942  26     -4       43       
  AVERAGE         29                        33     -4       54      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.91 1946   0.13  -0.13     0.61    
  MONTH TO DATE    4.42                      2.65   1.77     1.96    
  SINCE DEC 1      4.42                      2.65   1.77     1.96    
  SINCE JAN 1     48.73                     42.64   6.09    52.56    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0          10.1  1975   0.3   -0.3      0.0     
  MONTH TO DATE   11.5                       5.3    6.2      0.1     
  SINCE DEC 1     11.5                       5.3    6.2      0.1     
  SINCE JUL 1     11.5                       6.6    4.9      0.2     
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       36                        32      4       11       
  MONTH TO DATE  614                       602     12      583       
  SINCE DEC 1    614                       602     12      583       
  SINCE JUL 1   1536                      1657   -121     1607       
                                                                     
 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   2   RESULTANT WIND DIRECTION   W (280)      
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    SW (220)      
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION    SW (220)      
  AVERAGE WIND SPEED     5.2                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    75          1100 PM                                     
 LOWEST     45          1100 AM                                     
 AVERAGE    60                                                       

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

                                                                     
THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   39        62      1990                    
 MINIMUM TEMPERATURE (F)   26         1      1883                    
                                             1879                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 22 2019......SUNRISE   710 AM EST   SUNSET   415 PM EST   
DECEMBER 23 2019......SUNRISE   711 AM EST   SUNSET   415 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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