AFOS product CLIBOS
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CDUS41 KBOX 170526
CLIBOS


CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA                            
126 AM EDT SUN MAY 17 2020


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

...THE BOSTON MA CLIMATE SUMMARY FOR MAY 16 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         68    202 PM  93    1932  66      2       65       
  MINIMUM         49   1006 PM  34    1936  50     -1       50       
  AVERAGE         59                        58      1       58      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.04          4.47 1954   0.11  -0.07      T      
  MONTH TO DATE    2.12                      1.67   0.45     1.78    
  SINCE MAR 1     10.05                      9.73   0.32    11.25    
  SINCE JAN 1     14.74                     16.34  -1.60    18.32    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0  2001   0.0    0.0      0.0     
                                      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        6                         8     -2        7       
  MONTH TO DATE  186                       157     29      187       
  SINCE MAR 1   1505                      1496      9     1381       
  SINCE JUL 1   4888                      5538   -650     5187       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE    1                         3     -2        0       
  SINCE MAR 1      1                         6     -5        8       
  SINCE JAN 1      1                         6     -5        8       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION  NW (320)      
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION    NW (330)      
  HIGHEST GUST SPEED    34   HIGHEST GUST DIRECTION    NW (320)      
  AVERAGE WIND SPEED    12.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           100 AM                                     
 LOWEST     45          1100 AM                                     
 AVERAGE    69                                                       

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

                                                                     
THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   66        92      2017                    
                                             1977                    
 MINIMUM TEMPERATURE (F)   50        39      1882                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 17 2020...........SUNRISE   520 AM EDT   SUNSET   801 PM EDT   
MAY 18 2020...........SUNRISE   519 AM EDT   SUNSET   802 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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