AFOS product CLIBOS
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CLIBOS


CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA                            
1256 AM EST MON DEC 10 2018


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

...THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 9 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         37    223 PM  70    1966  43     -6       37       
  MINIMUM         23    703 AM  -8    1902  31     -8       31       
  AVERAGE         30                        37     -7       34      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.90 2014   0.13  -0.13     0.66    
  MONTH TO DATE    0.75                      1.18  -0.43     1.29    
  SINCE DEC 1      0.75                      1.18  -0.43     1.29    
  SINCE JAN 1     51.35                     41.17  10.18    42.25    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           8.6  2005   0.2   -0.2      5.8     
  MONTH TO DATE    T                         1.8   -1.8      5.8     
  SINCE DEC 1      T                         1.8   -1.8      5.8     
  SINCE JUL 1      0.1                       3.1   -3.0      5.8     
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       35                        28      7       31       
  MONTH TO DATE  256                       240     16      219       
  SINCE DEC 1    256                       240     16      219       
  SINCE JUL 1   1280                      1295    -15     1046       
                                                                     
 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   8   RESULTANT WIND DIRECTION  SW (240)      
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    SW (230)      
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED     9.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    68           600 AM                                     
 LOWEST     36          1200 AM                                     
 AVERAGE    52                                                       

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

                                                                     
THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   43        64      1907                    
                                             1897                    
 MINIMUM TEMPERATURE (F)   30        -1      1902                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 10 2018......SUNRISE   702 AM EST   SUNSET   411 PM EST   
DECEMBER 11 2018......SUNRISE   703 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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