267 
CDUS41 KBOX 180556
CLIBOS


CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA                            
145 AM EDT FRI SEP 18 2020


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

...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 17 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         78   1258 PM  91    1915  72      6       70       
  MINIMUM         58    535 AM  44    2013  57      1       59       
  AVERAGE         68                        65      3       65      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.77 1995   0.11  -0.11     0.00    
  MONTH TO DATE    0.46                      1.83  -1.37     1.75    
  SINCE SEP 1      0.46                      1.83  -1.37     1.75    
  SINCE JAN 1     22.18                     30.45  -8.27    36.08    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0  2002   0.0    0.0      0.0     
                                      2001                          
                                      2000                          
  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      T                         0.0    0.0      0.0     
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         3     -3        0       
  MONTH TO DATE   18                        26     -8        7       
  SINCE SEP 1     18                        26     -8        7       
  SINCE JUL 1     20                        39    -19        7       
                                                                     
 COOLING                                                             
  YESTERDAY        3                         2      1        0       
  MONTH TO DATE   65                        62      3       63       
  SINCE SEP 1     65                        62      3       63       
  SINCE JAN 1    892                       721    171      941       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION  SW (240)      
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     W (250)      
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    SW (240)      
  AVERAGE WIND SPEED    10.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    90           200 AM                                     
 LOWEST     40           100 PM                                     
 AVERAGE    65                                                       

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

                                                                     
THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   72        90      1955                    
                                             1906                    
                                             1891                    
 MINIMUM TEMPERATURE (F)   57        43      1875                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 18 2020.....SUNRISE   628 AM EDT   SUNSET   648 PM EDT   
SEPTEMBER 19 2020.....SUNRISE   629 AM EDT   SUNSET   646 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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