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541 
CDUS41 KBOX 310630
CLIBOS

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
130 AM EST SUN JAN 31 2021

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

...THE BOSTON MA CLIMATE SUMMARY FOR JANUARY 30 2021...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1872 TO 2021


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         20    509 PM  63    1914  36    -16       33       
  MINIMUM          8    800 AM  -5    1873  22    -14       22       
  AVERAGE         14                        29    -15       28     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          1.01 1939   0.10  -0.10     0.00     
  MONTH TO DATE    2.02                      3.25  -1.23     1.39     
  SINCE DEC 1      6.69                      7.03  -0.34     7.46     
  SINCE JAN 1      2.02                      3.25  -1.23     1.39     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           5.7  1966   0.4   -0.4      0.0      
  MONTH TO DATE    5.8                      12.5   -6.7      3.1      
  SINCE DEC 1     18.8                      21.5   -2.7     14.6      
  SINCE JUL 1     23.1                      22.8    0.3     14.6      

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       51                        36     15       37        
  MONTH TO DATE  995                      1076    -81      797        
  SINCE DEC 1   1889                      2015   -126     1650        
  SINCE JUL 1   2776                      3070   -294     2572        

 COOLING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE DEC 1      0                         0      0        0        
  SINCE JAN 1      0                         0      0        0        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED  13   RESULTANT WIND DIRECTION  NW (320)       
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    NW (310)       
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    NW (310)       
  AVERAGE WIND SPEED    13.1                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.2                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    60           300 AM                                      
 LOWEST     39           300 PM                                      
 AVERAGE    50                                                        

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


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   36        62      1913                      
 MINIMUM TEMPERATURE (F)   23        -8      1920                      


SUNRISE AND SUNSET                                                    
JANUARY 31 2021.......SUNRISE   658 AM EST   SUNSET   457 PM EST     
FEBRUARY  1 2021......SUNRISE   657 AM EST   SUNSET   459 PM EST     


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




$$