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CLIBOS

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
128 AM EST FRI FEB 19 2021

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

...THE BOSTON MA CLIMATE SUMMARY FOR FEBRUARY 18 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         31    434 PM  66    1981  39     -8       42       
  MINIMUM         24    805 AM  -4    1958  25     -1       31       
  AVERAGE         28                        32     -4       37     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.09          1.91 1998   0.12  -0.03     0.45     
  MONTH TO DATE    2.27                      2.02   0.25     2.14     
  SINCE DEC 1      8.96                      9.16  -0.20     9.60     
  SINCE JAN 1      4.29                      5.38  -1.09     3.53     

SNOWFALL (IN)                                                              
  YESTERDAY        0.9          10.2  1893   0.4    0.5      0.0      
  MONTH TO DATE   10.5                       7.0    3.5      0.5      
  SINCE DEC 1     29.3                      28.9    0.4     15.1      
  SINCE JUL 1     33.6                      30.2    3.4     15.1      

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       37                        33      4       28        
  MONTH TO DATE  648                       614     34      499        
  SINCE DEC 1   2587                      2669    -82     2176        
  SINCE JUL 1   3474                      3724   -250     3098        

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


WIND (MPH)                                                            
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION  NE (30)        
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    NE (60)        
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     E (70)        
  AVERAGE WIND SPEED     8.6                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 1.0                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  HAIL                                                                
  LIGHT SNOW                                                          
  FOG                                                                 


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           500 PM                                      
 LOWEST     40           100 AM                                      
 AVERAGE    66                                                        

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


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   40        65      1961                      
 MINIMUM TEMPERATURE (F)   25         4      1885                      
                                             1903                     
                                             1936                     


SUNRISE AND SUNSET                                                    
FEBRUARY 19 2021......SUNRISE   635 AM EST   SUNSET   522 PM EST     
FEBRUARY 20 2021......SUNRISE   633 AM EST   SUNSET   523 PM EST     


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




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