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893 
CDUS41 KBOX 120541
CLIBOS

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
141 AM EDT MON JUL 12 2021

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

...THE BOSTON MA CLIMATE SUMMARY FOR JULY 11 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         82    307 PM 100    1911  82      0       89       
  MINIMUM         62    329 AM  54    1890  66     -4       69       
  AVERAGE         72                        74     -2       79     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.03          2.36 1959   0.11  -0.08     0.01     
  MONTH TO DATE    7.68                      1.12   6.56     0.19     
  SINCE JUN 1     10.25                      5.01   5.24     2.85     
  SINCE JAN 1     26.57                     22.66   3.91    17.68     

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        7                         9     -2       14        
  MONTH TO DATE   67                        94    -27       82        
  SINCE JUN 1    357                       232    125      256        
  SINCE JAN 1    421                       265    156      290        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION   S (170)       
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    SW (230)       
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    SW (210)       
  AVERAGE WIND SPEED     5.1                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.7                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           900 PM                                      
 LOWEST     54           300 PM                                      
 AVERAGE    72                                                        

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


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   82        97      1908                      
 MINIMUM TEMPERATURE (F)   66        54      1886                      


SUNRISE AND SUNSET                                                    
JULY 12 2021..........SUNRISE   518 AM EDT   SUNSET   821 PM EDT     
JULY 13 2021..........SUNRISE   519 AM EDT   SUNSET   820 PM EDT     


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$