AFOS product CLIBOS
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CLIBOS


CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA                            
128 AM EDT SAT MAY 16 2020


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

...THE BOSTON MA CLIMATE SUMMARY FOR MAY 15 2020...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1872 TO 2020


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         74    523 PM  93    1900  66      8       62       
  MINIMUM         51    528 AM  36    1947  50      1       45       
  AVERAGE         63                        58      5       54      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.67          1.73 1978   0.10   0.57     0.01    
  MONTH TO DATE    2.08                      1.56   0.52     1.78    
  SINCE MAR 1     10.01                      9.62   0.39    11.25    
  SINCE JAN 1     14.70                     16.23  -1.53    18.32    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0  2002   0.0    0.0      0.0     
                                      2001                          
                                      2000                          
  MONTH TO DATE    T                         0.1   -0.1      0.0     
  SINCE MAR 1      0.7                       9.8   -9.1     13.5     
  SINCE JUL 1     15.8                      43.9  -28.1     27.4     
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        2                         8     -6       11       
  MONTH TO DATE  180                       149     31      180       
  SINCE MAR 1   1499                      1488     11     1374       
  SINCE JUL 1   4882                      5530   -648     5180       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE    1                         2     -1        0       
  SINCE MAR 1      1                         5     -4        8       
  SINCE JAN 1      1                         5     -4        8       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION   S (160)      
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION    NW (310)      
  HIGHEST GUST SPEED    40   HIGHEST GUST DIRECTION    NW (320)      
  AVERAGE WIND SPEED    10.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           700 AM                                     
 LOWEST     47          1200 AM                                     
 AVERAGE    70                                                       

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

                                                                     
THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   66        93      1932                    
 MINIMUM TEMPERATURE (F)   50        34      1936                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 16 2020...........SUNRISE   521 AM EDT   SUNSET   800 PM EDT   
MAY 17 2020...........SUNRISE   520 AM EDT   SUNSET   801 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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