AFOS product CLIBOS
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CDUS41 KBOX 160528
CLIBOS


CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA                            
1228 AM EST SUN DEC 16 2018


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

...THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 15 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1872 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         55    245 PM  66    1975  41     14       27       
  MINIMUM         40    925 PM  -2    1874  28     12       17       
  AVERAGE         48                        35     13       22      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.51 1981   0.13  -0.13      T      
  MONTH TO DATE    0.75                      1.93  -1.18     1.36    
  SINCE DEC 1      0.75                      1.93  -1.18     1.36    
  SINCE JAN 1     51.35                     41.92   9.43    42.32    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           6.1  1916   0.2   -0.2       T      
  MONTH TO DATE    T                         3.4   -3.4      6.1     
  SINCE DEC 1      T                         3.4   -3.4      6.1     
  SINCE JUL 1      0.1                       4.7   -4.6      6.1     
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       17                        30    -13       43       
  MONTH TO DATE  436                       415     21      422       
  SINCE DEC 1    436                       415     21      422       
  SINCE JUL 1   1460                      1470    -10     1249       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1   1132                       747    385      880       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION   W (260)      
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    NE (40)       
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    SW (210)      
  AVERAGE WIND SPEED     9.2                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92          1200 AM                                     
 LOWEST     54           300 PM                                     
 AVERAGE    73                                                       

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

                                                                     
THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   41        64      1971                    
 MINIMUM TEMPERATURE (F)   28         1      1883                    
                                             1876                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 16 2018......SUNRISE   707 AM EST   SUNSET   413 PM EST   
DECEMBER 17 2018......SUNRISE   708 AM EST   SUNSET   413 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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