AFOS product CLIBOS
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CLIBOS

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
126 PM EST TUE DEC 12 2023

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

...THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 11 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2023


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         64    309 AM  68    1911  43     21       34       
  MINIMUM         37   1159 PM  -2    1876  31      6       25       
  AVERAGE         51                        37     14       30     

PRECIPITATION (IN)                                                    
  YESTERDAY        1.75R         1.75 2023   0.14   1.61     0.04     
  MONTH TO DATE    3.23                      1.60   1.63     1.14     
  SINCE DEC 1      3.23                      1.60   1.63     1.14     
  SINCE JAN 1     46.89                     40.89   6.00    28.64     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           2.8  2019   0.2   -0.2      0.9      
  MONTH TO DATE    0.2                       2.3   -2.1      0.9      
  SINCE DEC 1      0.2                       2.3   -2.1      0.9      
  SINCE JUL 1      0.2                       3.2   -3.0      0.9      

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       14                        28    -14       35        
  MONTH TO DATE  256                       294    -38      256        
  SINCE DEC 1    256                       294    -38      256        
  SINCE JUL 1   1160                      1308   -148     1053        

 COOLING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE DEC 1      0                         0      0        0        
  SINCE JAN 1    860                       800     60     1033        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED  13   RESULTANT WIND DIRECTION   W (270)       
  HIGHEST WIND SPEED    35   HIGHEST WIND DIRECTION     S (200)       
  HIGHEST GUST SPEED    44   HIGHEST GUST DIRECTION     S (200)       
  AVERAGE WIND SPEED    16.9                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.7                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           400 AM                                      
 LOWEST     57           500 PM                                      
 AVERAGE    77                                                        

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


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   43        68      1911                      
                                             1979                     
 MINIMUM TEMPERATURE (F)   30         2      1988                      


SUNRISE AND SUNSET                                                    
DECEMBER 12 2023......SUNRISE   704 AM EST   SUNSET   412 PM EST     
DECEMBER 13 2023......SUNRISE   705 AM EST   SUNSET   412 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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