173 
CDUS41 KBOX 270529
CLIBOS

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
129 AM EDT THU MAY 27 2021

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

...THE BOSTON MA CLIMATE SUMMARY FOR MAY 26 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         92    104 PM  97    1880  69     23       70       
  MINIMUM         63    429 AM  39    1882  53     10       50       
  AVERAGE         78                        61     17       60     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.28          1.36 1967   0.11   0.17     0.00     
  MONTH TO DATE    1.88                      2.69  -0.81     2.12     
  SINCE MAR 1      8.21                     10.49  -2.28    10.05     
  SINCE JAN 1     13.28                     17.09  -3.81    14.74     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           0.0  2000   0.0    0.0      0.0      
                                      2001                           
  MONTH TO DATE    0.0                       0.0    0.0       T       
  SINCE MAR 1      0.2                      10.6  -10.4      0.7      
  SINCE JUL 1     38.6                      49.2  -10.6     15.8      

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        0                         5     -5        5        
  MONTH TO DATE  118                       209    -91      277        
  SINCE MAR 1   1242                      1533   -291     1596        
  SINCE JUL 1   5019                      5471   -452     4979        

 COOLING                                                              
  YESTERDAY       13                         2     11        0        
  MONTH TO DATE   56                        19     37        4        
  SINCE MAR 1     56                        23     33        4        
  SINCE JAN 1     56                        23     33        4        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED  14   RESULTANT WIND DIRECTION  SW (220)       
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     S (190)       
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     S (200)       
  AVERAGE WIND SPEED    14.5                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.6                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  THUNDERSTORM                                                        
  HEAVY RAIN                                                          
  LIGHT RAIN                                                          
  FOG                                                                 


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87          1000 PM                                      
 LOWEST     38           100 PM                                      
 AVERAGE    63                                                        

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


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   70        96      1880                      
 MINIMUM TEMPERATURE (F)   53        39      1915                      


SUNRISE AND SUNSET                                                    
MAY 27 2021...........SUNRISE   513 AM EDT   SUNSET   811 PM EDT     
MAY 28 2021...........SUNRISE   512 AM EDT   SUNSET   811 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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