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CLIBOS

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
126 AM EDT THU AUG 19 2021

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

...THE BOSTON MA CLIMATE SUMMARY FOR AUGUST 18 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         89    149 PM  95    2002  80      9       86       
                                      2009                           
  MINIMUM         72    421 AM  53    1918  65      7       66       
  AVERAGE         81                        73      8       76     

PRECIPITATION (IN)                                                    
  YESTERDAY        T             4.88 1955   0.10  -0.10     0.16     
  MONTH TO DATE    3.19                      1.95   1.24     0.64     
  SINCE JUN 1     15.83                      9.11   6.72     5.25     
  SINCE JAN 1     32.15                     26.76   5.39    20.08     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           0.0  2000   0.0    0.0      0.0      
                                      2001                           
                                      2002                           
  MONTH TO DATE    0.0                       0.0    0.0      0.0      
  SINCE JUN 1      0.0                       0.0    0.0      0.0      
  SINCE JUL 1      0.0                       0.0    0.0      0.0      

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE JUN 1     12                        54    -42       38        
  SINCE JUL 1      9                         4      5        0        

 COOLING                                                              
  YESTERDAY       16                         8      8       11        
  MONTH TO DATE  208                       155     53      200        
  SINCE JUN 1    744                       577    167      702        
  SINCE JAN 1    808                       610    198      736        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION  SW (210)       
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     S (190)       
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     W (250)       
  AVERAGE WIND SPEED     9.4                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.8                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  LIGHT RAIN                                                          


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    73           400 AM                                      
 LOWEST     46          1000 AM                                      
 AVERAGE    60                                                        

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


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   80        95      2019                      
 MINIMUM TEMPERATURE (F)   65        51      1882                      


SUNRISE AND SUNSET                                                    
AUGUST 19 2021........SUNRISE   556 AM EDT   SUNSET   739 PM EDT     
AUGUST 20 2021........SUNRISE   557 AM EDT   SUNSET   737 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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