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CLIBOS

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
231 AM EDT TUE APR 20 2021

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

...THE BOSTON MA CLIMATE SUMMARY FOR APRIL 19 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         63   1220 PM  87    1914  57      6       61       
  MINIMUM         48   1254 AM  22    1875  42      6       37       
  AVERAGE         56                        49      7       49     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.01          1.65 1877   0.11  -0.10     0.00     
  MONTH TO DATE    2.83                      2.50   0.33     2.96     
  SINCE MAR 1      4.72                      6.82  -2.10     6.56     
  SINCE JAN 1      9.79                     13.43  -3.64    11.25     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           0.1  1961   0.0    0.0      0.0      
  MONTH TO DATE    0.1                       1.7   -1.6      0.7      
  SINCE MAR 1      0.2                       9.5   -9.3      0.7      
  SINCE JUL 1     38.6                      43.6   -5.0     15.8      

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        9                        16     -7       16        
  MONTH TO DATE  297                       358    -61      367        
  SINCE MAR 1   1001                      1187   -186     1080        
  SINCE JUL 1   4778                      5229   -451     4463        

 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   2   RESULTANT WIND DIRECTION  SE (120)       
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    SW (240)       
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    SW (240)       
  AVERAGE WIND SPEED     7.6                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.5                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  LIGHT RAIN                                                          


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    73          1200 AM                                      
 LOWEST     46           900 AM                                      
 AVERAGE    60                                                        

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


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   57        89      1927                      
                                             1941                     
                                             1976                     
 MINIMUM TEMPERATURE (F)   42        21      1897                      


SUNRISE AND SUNSET                                                    
APRIL 20 2021.........SUNRISE   555 AM EDT   SUNSET   732 PM EDT     
APRIL 21 2021.........SUNRISE   553 AM EDT   SUNSET   733 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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