AFOS product CLIBOS
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CDUS41 KBOX 290528
CLIBOS

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
128 AM EDT SAT MAY 29 2021

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

...THE BOSTON MA CLIMATE SUMMARY FOR MAY 28 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         62   1221 AM  92    1931  70     -8       78       
                                      2016                           
  MINIMUM         45    938 PM  43    1902  54     -9       64       
                                      1917                           
  AVERAGE         54                        62     -8       71     

PRECIPITATION (IN)                                                    
  YESTERDAY        1.08          2.39 1906   0.11   0.97      T       
  MONTH TO DATE    2.97                      2.91   0.06     2.12     
  SINCE MAR 1      9.30                     10.71  -1.41    10.05     
  SINCE JAN 1     14.37                     17.31  -2.94    14.74     

SNOWFALL (IN)                                                              
  YESTERDAY       MM             T    1953   0.0   MM        0.0      
  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       11                         5      6        0        
  MONTH TO DATE  129                       219    -90      277        
  SINCE MAR 1   1253                      1543   -290     1596        
  SINCE JUL 1   5030                      5481   -451     4979        

 COOLING                                                              
  YESTERDAY        0                         2     -2        6        
  MONTH TO DATE   64                        23     41       17        
  SINCE MAR 1     64                        27     37       17        
  SINCE JAN 1     64                        27     37       17        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION  NE (60)        
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    NE (60)        
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION    NE (60)        
  AVERAGE WIND SPEED    11.3                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.9                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93          1000 PM                                      
 LOWEST     33           200 AM                                      
 AVERAGE    63                                                        

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


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   70        94      1929                      
                                             1931                     
 MINIMUM TEMPERATURE (F)   54        39      1902                      


SUNRISE AND SUNSET                                                    
MAY 29 2021...........SUNRISE   511 AM EDT   SUNSET   812 PM EDT     
MAY 30 2021...........SUNRISE   511 AM EDT   SUNSET   813 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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