910 
CDUS41 KBOX 170551
CLIBOS

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
151 AM EDT THU JUN 17 2021

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

...THE BOSTON MA CLIMATE SUMMARY FOR JUNE 16 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         77    206 PM  96    1891  77      0       70       
  MINIMUM         63    507 AM  48    1884  60      3       55       
                                      1903                           
                                      1965                           
  AVERAGE         70                        68      2       63     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          2.37 1931   0.14  -0.14     0.00     
  MONTH TO DATE    1.41                      2.19  -0.78     1.07     
  SINCE JUN 1      1.41                      2.19  -0.78     1.07     
  SINCE JAN 1     17.73                     19.84  -2.11    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        2        
  MONTH TO DATE    3                        41    -38       38        
  SINCE JUN 1      3                        41    -38       38        
  SINCE JUL 1   5071                      5537   -466     5023        

 COOLING                                                              
  YESTERDAY        5                         4      1        0        
  MONTH TO DATE  125                        50     75       52        
  SINCE JUN 1    125                        50     75       52        
  SINCE JAN 1    189                        83    106       86        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION  NW (310)       
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     W (290)       
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    NW (300)       
  AVERAGE WIND SPEED    11.5                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.3                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           100 AM                                      
 LOWEST     27           200 PM                                      
 AVERAGE    57                                                        

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


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   77        95      1894                      
 MINIMUM TEMPERATURE (F)   60        48      1926                      


SUNRISE AND SUNSET                                                    
JUNE 17 2021..........SUNRISE   507 AM EDT   SUNSET   824 PM EDT     
JUNE 18 2021..........SUNRISE   507 AM EDT   SUNSET   824 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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