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CLIBOS

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
128 AM EDT SAT SEP 11 2021

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

...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 10 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         79   1241 PM  95    1931  75      4       82       
  MINIMUM         63   1159 PM  41    1883  60      3       68       
  AVERAGE         71                        68      3       75     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.19          4.71 1999   0.11   0.08     0.25     
  MONTH TO DATE    5.43                      1.06   4.37     0.46     
  SINCE SEP 1      5.43                      1.06   4.37     0.46     
  SINCE JAN 1     41.39                     29.10  12.29    22.18     

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 SEP 1      0.0                       0.0    0.0      0.0      
  SINCE JUL 1      0.0                       0.0    0.0       T       

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        0                         1     -1        0        
  MONTH TO DATE    0                         8     -8        0        
  SINCE SEP 1      0                         8     -8        0        
  SINCE JUL 1      9                        17     -8        2        

 COOLING                                                              
  YESTERDAY        6                         4      2       10        
  MONTH TO DATE   65                        48     17       60        
  SINCE SEP 1     65                        48     17       60        
  SINCE JAN 1   1041                       748    293      887        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED  11   RESULTANT WIND DIRECTION  NW (300)       
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    NW (300)       
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     W (290)       
  AVERAGE WIND SPEED    11.4                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.4                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90          1200 AM                                      
 LOWEST     46           400 PM                                      
 AVERAGE    68                                                        

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


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   75        99      1983                      
 MINIMUM TEMPERATURE (F)   60        40      1917                      


SUNRISE AND SUNSET                                                    
SEPTEMBER 11 2021.....SUNRISE   620 AM EDT   SUNSET   700 PM EDT     
SEPTEMBER 12 2021.....SUNRISE   621 AM EDT   SUNSET   659 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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