AFOS product CLIBOS
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download Bulk Download
597 
CDUS41 KBOX 010953
CLIBOS

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
453 AM EST FRI JAN 01 2021

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

...THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 31 2020...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1872 TO 2020


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         45   1028 AM  65    1932  37      8       44       
  MINIMUM         33   1159 PM  -8    1917  24      9       37       
  AVERAGE         39                        30      9       41     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.10          1.68 1906   0.10   0.00     0.27     
  MONTH TO DATE    5.67                      3.78   1.89     6.07     
  SINCE DEC 1      5.67                      3.78   1.89     6.07     
  SINCE JAN 1     37.54                     43.77  -6.23    50.38     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0          90.0  2020   0.4   -0.4      0.0      
  MONTH TO DATE   13.0                       9.0    4.0     11.5      
  SINCE DEC 1     13.0                       9.0    4.0     11.5      
  SINCE JUL 1     17.3                      10.3    7.0     11.5      

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       26                        35     -9       24        
  MONTH TO DATE  894                       937    -43      853        
  SINCE DEC 1    894                       937    -43      853        
  SINCE JUL 1   1781                      1992   -211     1775        

 COOLING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE DEC 1      0                         0      0        0        
  SINCE JAN 1    924                       747    177     1013        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED  12   RESULTANT WIND DIRECTION   W (260)       
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION    SW (220)       
  HIGHEST GUST SPEED    34   HIGHEST GUST DIRECTION    SW (220)       
  AVERAGE WIND SPEED    14.2                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.9                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           600 AM                                      
 LOWEST     50           600 PM                                      
 AVERAGE    70                                                        

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


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   37        70      1876                      
 MINIMUM TEMPERATURE (F)   24        -3      1918                      


SUNRISE AND SUNSET                                                    
JANUARY  1 2021.......SUNRISE   713 AM EST   SUNSET   423 PM EST     
JANUARY  2 2021.......SUNRISE   713 AM EST   SUNSET   423 PM EST     


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$