AFOS product CLIBOS
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CLIBOS


CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA                            
457 AM EST MON JAN 20 2020


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

...THE BOSTON MA CLIMATE SUMMARY FOR JANUARY 19 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         45    159 PM  61    1951  35     10       37       
                                      1915                          
  MINIMUM         24   1159 PM  -6    1904  22      2       28       
  AVERAGE         35                        29      6       33      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.02          1.81 1942   0.11  -0.09     0.13    
  MONTH TO DATE    0.69                      2.09  -1.40     1.21    
  SINCE DEC 1      6.76                      5.87   0.89     3.93    
  SINCE JAN 1      0.69                      2.09  -1.40     1.21    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        T            10.0  1936   0.4   -0.4      0.5     
  MONTH TO DATE    3.1                       8.1   -5.0      0.5     
  SINCE DEC 1     14.6                      17.1   -2.5      0.6     
  SINCE JUL 1     14.6                      18.4   -3.8      0.7     
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       30                        36     -6       32       
  MONTH TO DATE  482                       680   -198      608       
  SINCE DEC 1   1335                      1619   -284     1462       
  SINCE JUL 1   2257                      2674   -417     2486       
                                                                     
 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  13   RESULTANT WIND DIRECTION   W (280)      
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     W (260)      
  AVERAGE WIND SPEED    13.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  LT FREEZING RAIN                                                   
  LIGHT SNOW                                                         
  FOG                                                                
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    82          1200 AM                                     
 LOWEST     40           600 PM                                     
 AVERAGE    61                                                       

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

                                                                     
THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   35        60      1951                    
 MINIMUM TEMPERATURE (F)   22        -3      1946                    
                                             1901                    

                                                                     
SUNRISE AND SUNSET                                                   
JANUARY 20 2020.......SUNRISE   708 AM EST   SUNSET   442 PM EST   
JANUARY 21 2020.......SUNRISE   708 AM EST   SUNSET   443 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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