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CLIBOS

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1233 AM EST WED DEC 18 2024

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

...THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 17 2024...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2024


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         60   1249 PM  64    2000  42     18       56       
  MINIMUM         45   1206 AM  -4    1876  29     16       40       
                                      1919                           
  AVERAGE         53                        35     18       48     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.17          2.82 1970   0.14   0.03     0.37     
  MONTH TO DATE    3.80                      2.44   1.36     3.60     
  SINCE DEC 1      3.80                      2.44   1.36     3.60     
  SINCE JAN 1     43.54                     41.73   1.81    47.26     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0          12.7  2020   0.3   -0.3      0.0      
  MONTH TO DATE    0.3                       4.0   -3.7      0.2      
  SINCE DEC 1      0.3                       4.0   -3.7      0.2      
  SINCE JUL 1      0.3                       4.9   -4.6      0.2      

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       12                        30    -18       17        
  MONTH TO DATE  477                       468      9      398        
  SINCE DEC 1    477                       468      9      398        
  SINCE JUL 1   1260                      1482   -222     1302        

 COOLING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE DEC 1      0                         0      0        0        
  SINCE JAN 1    891                       800     91      860        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED  11   RESULTANT WIND DIRECTION  SW (230)       
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     S (200)       
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     S (200)       
  AVERAGE WIND SPEED    13.9                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.6                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  LIGHT RAIN                                                          
  FOG                                                                 


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           300 AM                                      
 LOWEST     52           500 PM                                      
 AVERAGE    74                                                        

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


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   42        63      2023                      
 MINIMUM TEMPERATURE (F)   29        -6      1919                      


SUNRISE AND SUNSET                                                    
DECEMBER 18 2024......SUNRISE   709 AM EST   SUNSET   413 PM EST     
DECEMBER 19 2024......SUNRISE   709 AM EST   SUNSET   414 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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