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CLIBOS

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
126 AM EDT TUE JUL 20 2021

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

...THE BOSTON MA CLIMATE SUMMARY FOR JULY 19 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         73   1040 PM  99    2013  83    -10       95       
  MINIMUM         67    829 AM  54    1875  67      0       70       
                                      1881                           
  AVERAGE         70                        74     -4       83     

PRECIPITATION (IN)                                                    
  YESTERDAY        T             1.68 1882   0.11  -0.11     0.00     
  MONTH TO DATE    9.39                      1.97   7.42     1.06     
  SINCE JUN 1     11.96                      5.86   6.10     3.72     
  SINCE JAN 1     28.28                     23.51   4.77    18.55     

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    9                         0      9        0        
  SINCE JUN 1     12                        50    -38       38        
  SINCE JUL 1      9                         0      9        0        

 COOLING                                                              
  YESTERDAY        5                        10     -5       18        
  MONTH TO DATE  131                       171    -40      152        
  SINCE JUN 1    421                       309    112      326        
  SINCE JAN 1    485                       342    143      360        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION  NE (60)        
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    NE (50)        
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    NE (60)        
  AVERAGE WIND SPEED     6.6                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.9                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           300 AM                                      
 LOWEST     79           600 PM                                      
 AVERAGE    86                                                        

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


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   83        99      1991                      
 MINIMUM TEMPERATURE (F)   67        54      1879                      
                                             1890                     


SUNRISE AND SUNSET                                                    
JULY 20 2021..........SUNRISE   525 AM EDT   SUNSET   815 PM EDT     
JULY 21 2021..........SUNRISE   526 AM EDT   SUNSET   814 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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