302 
CDUS41 KBOX 190531
CLIBOS


CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA                            
131 AM EDT SUN MAY 19 2019


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

...THE BOSTON MA CLIMATE SUMMARY FOR MAY 18 2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1872 TO 2019


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         70   1155 AM  95    2017  67      3       65       
  MINIMUM         53   1155 PM  37    2002  50      3       47       
  AVERAGE         62                        59      3       56      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.72 2007   0.11  -0.11     0.00    
  MONTH TO DATE    2.02                      1.88   0.14     1.49    
  SINCE MAR 1     11.49                      9.94   1.55    11.18    
  SINCE JAN 1     18.56                     16.55   2.01    19.87    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0  2001   0.0    0.0      0.0     
                                      2000                          
  MONTH TO DATE    0.0                       0.1   -0.1      0.0     
  SINCE MAR 1     13.5                       9.8    3.7     24.6     
  SINCE JUL 1     27.4                      43.9  -16.5     59.9     
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        3                         7     -4        9       
  MONTH TO DATE  197                       172     25      112       
  SINCE MAR 1   1391                      1511   -120     1548       
  SINCE JUL 1   5197                      5553   -356     5300       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE    0                         5     -5       34       
  SINCE MAR 1      8                         8      0       34       
  SINCE JAN 1      8                         8      0       34       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION  NE (60)       
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     E (100)      
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     E (110)      
  AVERAGE WIND SPEED    11.4                                         

                                                                     
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    77          1100 PM                                     
 LOWEST     33          1200 PM                                     
 AVERAGE    55                                                       

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

                                                                     
THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   67        90      2017                    
                                             1986                    
                                             1949                    
 MINIMUM TEMPERATURE (F)   51        38      1882                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 19 2019...........SUNRISE   519 AM EDT   SUNSET   803 PM EDT   
MAY 20 2019...........SUNRISE   518 AM EDT   SUNSET   804 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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