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CLIBOS

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
201 AM EDT SUN APR 11 2021

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

...THE BOSTON MA CLIMATE SUMMARY FOR APRIL 10 2021...

CLIMATE NORMAL PERIOD 1981 TO 2010
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         78    345 PM  85    1922  54     24       48       
  MINIMUM         48    453 AM  26    1917  39      9       38       
                                      1985                           
                                      1997                           
  AVERAGE         63                        46     17       43     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          2.08 1983   0.14  -0.14     0.01     
  MONTH TO DATE    0.92                      1.37  -0.45     1.72     
  SINCE MAR 1      2.81                      5.69  -2.88     5.32     
  SINCE JAN 1      7.88                     12.30  -4.42    10.01     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           5.4  1996   0.1   -0.1      0.0      
  MONTH TO DATE    T                         1.1   -1.1      0.0      
  SINCE MAR 1      0.1                       8.9   -8.8       T       
  SINCE JUL 1     38.5                      43.0   -4.5     15.1      

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        2                        19    -17       22        
  MONTH TO DATE  155                       205    -50      198        
  SINCE MAR 1    859                      1034   -175      911        
  SINCE JUL 1   4636                      5076   -440     4294        

 COOLING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE MAR 1      0                         0      0        0        
  SINCE JAN 1      0                         0      0        0        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION   S (200)       
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    SW (220)       
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    SW (240)       
  AVERAGE WIND SPEED     9.8                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.5                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  NO SIGNIFICANT WEATHER WAS OBSERVED.                                  


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    80           400 AM                                      
 LOWEST     43           400 PM                                      
 AVERAGE    62                                                        

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


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   54        84      2017                      
 MINIMUM TEMPERATURE (F)   39        25      1909                      


SUNRISE AND SUNSET                                                    
APRIL 11 2021.........SUNRISE   609 AM EDT   SUNSET   722 PM EDT     
APRIL 12 2021.........SUNRISE   608 AM EDT   SUNSET   723 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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