422 
CDUS41 KBOX 280530
CLIBOS

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
130 AM EDT TUE SEP 28 2021

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

...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 27 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         76    337 PM  86    1933  69      7       77       
                                      1998                           
                                      2017                           
  MINIMUM         58    601 AM  37    1947  54      4       63       
  AVERAGE         67                        62      5       70     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          2.37 1962   0.13  -0.13     0.00     
  MONTH TO DATE    6.75                      3.17   3.58     0.46     
  SINCE SEP 1      6.75                      3.17   3.58     0.46     
  SINCE JAN 1     42.71                     31.21  11.50    22.18     

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 SEP 1      0.0                       0.0    0.0      0.0      
  SINCE JUL 1      0.0                       0.0    0.0       T       

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        0                         5     -5        0        
  MONTH TO DATE    0                        55    -55       70        
  SINCE SEP 1      0                        55    -55       70        
  SINCE JUL 1      9                        64    -55       72        

 COOLING                                                              
  YESTERDAY        2                         1      1        5        
  MONTH TO DATE  156                        88     68       80        
  SINCE SEP 1    156                        88     68       80        
  SINCE JAN 1   1132                       788    344      907        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED  12   RESULTANT WIND DIRECTION  SW (220)       
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    SW (230)       
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    SW (230)       
  AVERAGE WIND SPEED    12.3                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.5                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    70           600 AM                                      
 LOWEST     43          1100 AM                                      
 AVERAGE    57                                                        

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


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   69        90      1873                      
                                             1881                     
 MINIMUM TEMPERATURE (F)   54        37      1947                      


SUNRISE AND SUNSET                                                    
SEPTEMBER 28 2021.....SUNRISE   638 AM EDT   SUNSET   630 PM EDT     
SEPTEMBER 29 2021.....SUNRISE   639 AM EDT   SUNSET   629 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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