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CDUS41 KBOX 210530
CLIBOS

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
130 AM EDT MON JUN 21 2021

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

...THE BOSTON MA CLIMATE SUMMARY FOR JUNE 20 2021...

CLIMATE NORMAL PERIOD 1991 TO 2020
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         89    347 PM  98    1953  78     11       92       
  MINIMUM         71    553 AM  47    1918  61     10       69       
  AVERAGE         80                        70     10       81     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          2.40 1945   0.13  -0.13     0.00     
  MONTH TO DATE    1.41                      2.73  -1.32     1.07     
  SINCE JUN 1      1.41                      2.73  -1.32     1.07     
  SINCE JAN 1     17.73                     20.38  -2.65    15.90     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           0.0  2000   0.0    0.0      0.0      
                                      2001                           
                                      2002                           
  MONTH TO DATE    0.0                       0.0    0.0      0.0      
  SINCE JUN 1      0.0                       0.0    0.0      0.0      
  SINCE JUL 1     38.6                      49.2  -10.6     15.8      

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        0                         1     -1        0        
  MONTH TO DATE    3                        45    -42       38        
  SINCE JUN 1      3                        45    -42       38        
  SINCE JUL 1   5071                      5541   -470     5023        

 COOLING                                                              
  YESTERDAY       15                         5     10       16        
  MONTH TO DATE  168                        70     98       91        
  SINCE JUN 1    168                        70     98       91        
  SINCE JAN 1    232                       103    129      125        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION  SW (230)       
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     S (190)       
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    SW (220)       
  AVERAGE WIND SPEED    10.4                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.6                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    68          1200 AM                                      
 LOWEST     36           300 PM                                      
 AVERAGE    52                                                        

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


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   78        96      2012                      
 MINIMUM TEMPERATURE (F)   62        48      1940                      


SUNRISE AND SUNSET                                                    
JUNE 21 2021..........SUNRISE   507 AM EDT   SUNSET   825 PM EDT     
JUNE 22 2021..........SUNRISE   508 AM EDT   SUNSET   825 PM EDT     


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




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