000 
CDUS41 KBOX 210540
CLIBOS


CLIMATE REPORT
NATIONAL WEATHER SERVICE TAUNTON MA                                  
1239 AM EST MON DEC 21 2009


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

...THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 20 2009...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1872 TO 2009


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         30   1213 AM  63    1957  40    -10       20       
  MINIMUM         19    813 AM -11    1942  26     -7       13       
                                      1875                          
  AVERAGE         25                        33     -8       17      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.55          1.35 1936   0.12   0.43     0.18    
  MONTH TO DATE    3.48                      2.41   1.07     5.62    
  SINCE DEC 1      3.48                      2.41   1.07     5.62    
  SINCE JAN 1     43.31                     41.21   2.10    52.99    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       10.0 R         7.7  1995   0.3    9.7      3.7     
  MONTH TO DATE   12.7                       3.7    9.0     15.0     
  SINCE DEC 1     12.7                       3.7    9.0     15.0     
  SINCE JUL 1     12.8                       5.8    7.0     15.0     
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       40                        31      9       48       
  MONTH TO DATE  590                       571     19      561       
  SINCE DEC 1    590                       571     19      561       
  SINCE JUL 1   1572                      1615    -43     1636       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1    591                       777   -186      789       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  18   RESULTANT WIND DIRECTION  NW (330)      
  HIGHEST WIND SPEED    31   HIGHEST WIND DIRECTION     N (360)      
  HIGHEST GUST SPEED    44   HIGHEST GUST DIRECTION     N (10)       
  AVERAGE WIND SPEED    20.2                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  SNOW                                                               
  LIGHT SNOW                                                         
  FOG                                                                
  FOG W/VISIBILITY <= 1/4 MILE                                       
  HAZE                                                               
  BLOWING SNOW                                                       

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    91           900 AM                                     
 LOWEST     54          1000 PM                                     
 AVERAGE    73                                                       

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

                                                                     
THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   40        62      1957                    
 MINIMUM TEMPERATURE (F)   26        -5      1942                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 21 2009......SUNRISE   710 AM EST   SUNSET   415 PM EST   
DECEMBER 22 2009......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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