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CDUS41 KBOX 220532
CLIBOS

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
132 AM EDT THU JUL 22 2021

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

...THE BOSTON MA CLIMATE SUMMARY FOR JULY 21 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         84        MM 102    1977  83      1       90        
  MINIMUM         68        MM  52    1890  67      1       74        
  AVERAGE         76                        74      2       82     

PRECIPITATION (IN)                                                    
  YESTERDAY        T             2.33 1938   0.10  -0.10     0.00     
  MONTH TO DATE    9.39                      2.18   7.21     1.06     
  SINCE JUN 1     11.96                      6.07   5.89     3.72     
  SINCE JAN 1     28.28                     23.72   4.56    18.55     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           T    1954   0.0    0.0      0.0      
  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       11                        10      1       17        
  MONTH TO DATE  155                       191    -36      188        
  SINCE JUN 1    445                       329    116      362        
  SINCE JAN 1    509                       362    147      396        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION  NW (300)       
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    NW (320)       
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    NW (320)       
  AVERAGE WIND SPEED     9.3                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.6                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           400 AM                                      
 LOWEST     44           500 PM                                      
 AVERAGE    67                                                        

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


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   83       103      1926                      
                                             2011                     
 MINIMUM TEMPERATURE (F)   67        55      1890                      


SUNRISE AND SUNSET                                                    
JULY 22 2021..........SUNRISE   527 AM EDT   SUNSET   814 PM EDT     
JULY 23 2021..........SUNRISE   528 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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