AFOS product CLIBOS
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CDUS41 KBOX 100609
CLIBOS


CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA                            
1259 AM EST TUE DEC 10 2019


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

...THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 9 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         61   1116 PM  70    1966  43     18       37       
  MINIMUM         41    716 AM  -8    1902  31     10       23       
  AVERAGE         51                        37     14       30      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.55          2.90 2014   0.13   0.42     0.00    
  MONTH TO DATE    2.02                      1.18   0.84     0.75    
  SINCE DEC 1      2.02                      1.18   0.84     0.75    
  SINCE JAN 1     46.33                     41.17   5.16    51.35    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           8.6  2005   0.2   -0.2      0.0     
  MONTH TO DATE    7.3                       1.8    5.5       T      
  SINCE DEC 1      7.3                       1.8    5.5       T      
  SINCE JUL 1      7.3                       3.1    4.2      0.1     
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       14                        28    -14       35       
  MONTH TO DATE  263                       240     23      256       
  SINCE DEC 1    263                       240     23      256       
  SINCE JUL 1   1185                      1295   -110     1280       
                                                                     
 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  12   RESULTANT WIND DIRECTION   S (190)      
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION     S (190)      
  HIGHEST GUST SPEED    41   HIGHEST GUST DIRECTION     S (180)      
  AVERAGE WIND SPEED    13.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93          1200 PM                                     
 LOWEST     65          1200 AM                                     
 AVERAGE    79                                                       

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

                                                                     
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 2019......SUNRISE   702 AM EST   SUNSET   411 PM EST   
DECEMBER 11 2019......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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