428 
CDUS41 KBOX 172124
CLIBOS


CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA                            
524 PM EDT SUN MAY 17 2020


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

...THE BOSTON MA CLIMATE SUMMARY FOR MAY 17 2020...
VALID TODAY AS OF 0500 PM LOCAL TIME.

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)                                                     
 TODAY                                                               
  MAXIMUM         62    359 PM  92    2017  66     -4       65       
                                      1977                          
  MINIMUM         49    119 AM  39    1882  50     -1       50       
  AVERAGE         56                        58     -2       58      
                                                                     
PRECIPITATION (IN)                                                   
  TODAY            0.00          1.88 1916   0.10  -0.10     0.24    
  MONTH TO DATE    2.12                      1.77   0.35     2.02    
  SINCE MAR 1     10.05                      9.83   0.22    11.49    
  SINCE JAN 1     14.74                     16.44  -1.70    18.56    
                                                                     
SNOWFALL (IN)                                                        
  TODAY            0.0           0.0  2002   0.0    0.0      0.0     
                                      2001                          
                                      2000                          
  MONTH TO DATE    T                         0.1   -0.1      0.0     
  SINCE MAR 1      0.7                       9.8   -9.1     13.5     
  SINCE JUL 1     15.8                      43.9  -28.1     27.4     
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  TODAY            9                         8      1        7       
  MONTH TO DATE  195                       165     30      194       
  SINCE MAR 1   1514                      1504     10     1388       
  SINCE JUL 1   4897                      5546   -649     5194       
                                                                     
 COOLING                                                             
  TODAY            0                         1     -1        0       
  MONTH TO DATE    1                         4     -3        0       
  SINCE MAR 1      1                         7     -6        8       
  SINCE JAN 1      1                         7     -6        8       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     E (110)      
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     E (110)      
  AVERAGE WIND SPEED     7.5                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    83           600 AM                                     
 LOWEST     55          1000 AM                                     
 AVERAGE    69                                                       

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

                                                                     
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   67        95      2017                    
 MINIMUM TEMPERATURE (F)   50        37      2002                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 17 2020...........SUNRISE   520 AM EDT   SUNSET   801 PM EDT   
MAY 18 2020...........SUNRISE   519 AM EDT   SUNSET   802 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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