AFOS product CLIBOS
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CDUS41 KBOX 150623
CLIBOS


CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA                            
112 AM EST SUN DEC 15 2019


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

...THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 14 2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1872 TO 2019


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         60    825 PM  66    1881  42     18       46       
  MINIMUM         47    103 AM   0    1898  29     18       29       
                                      1893                          
  AVERAGE         54                        35     19       38      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        1.25          1.99 2002   0.12   1.13     0.00    
  MONTH TO DATE    3.77                      1.80   1.97     0.75    
  SINCE DEC 1      3.77                      1.80   1.97     0.75    
  SINCE JAN 1     48.08                     41.79   6.29    51.35    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           6.5  1995   0.3   -0.3      0.0     
  MONTH TO DATE   10.1                       3.2    6.9       T      
  SINCE DEC 1     10.1                       3.2    6.9       T      
  SINCE JUL 1     10.1                       4.5    5.6      0.1     
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       11                        30    -19       27       
  MONTH TO DATE  377                       385     -8      419       
  SINCE DEC 1    377                       385     -8      419       
  SINCE JUL 1   1299                      1440   -141     1443       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1   1013                       747    266     1132       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION  SE (120)      
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION    SW (230)      
  HIGHEST GUST SPEED    37   HIGHEST GUST DIRECTION    SW (240)      
  AVERAGE WIND SPEED    12.5                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HEAVY RAIN                                                         
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                
  FOG W/VISIBILITY <= 1/4 MILE                                       
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           400 AM                                     
 LOWEST     72          1100 PM                                     
 AVERAGE    83                                                       

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

                                                                     
THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   41        66      1975                    
 MINIMUM TEMPERATURE (F)   28        -2      1874                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 15 2019......SUNRISE   706 AM EST   SUNSET   412 PM EST   
DECEMBER 16 2019......SUNRISE   707 AM EST   SUNSET   412 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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