AFOS product CLIBOS
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CLIBOS


CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA                            
1234 AM EST MON DEC 23 2019


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

...THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 22 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         45    133 PM  62    1990  39      6       56       
  MINIMUM         30    604 AM   1    1883  26      4       37       
                                      1879                          
  AVERAGE         38                        33      5       47      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.31 1969   0.11  -0.11     0.02    
  MONTH TO DATE    4.42                      2.76   1.66     1.98    
  SINCE DEC 1      4.42                      2.76   1.66     1.98    
  SINCE JAN 1     48.73                     42.75   5.98    52.58    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           5.3  1975   0.3   -0.3      0.0     
  MONTH TO DATE   11.5                       5.6    5.9      0.1     
  SINCE DEC 1     11.5                       5.6    5.9      0.1     
  SINCE JUL 1     11.5                       6.9    4.6      0.2     
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       27                        32     -5       18       
  MONTH TO DATE  641                       634      7      601       
  SINCE DEC 1    641                       634      7      601       
  SINCE JUL 1   1563                      1689   -126     1625       
                                                                     
 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  10   RESULTANT WIND DIRECTION  SW (220)      
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    SW (230)      
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED     9.9                                         

                                                                     
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    75          1200 AM                                     
 LOWEST     45           200 PM                                     
 AVERAGE    60                                                       

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

                                                                     
THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   39        67      1990                    
 MINIMUM TEMPERATURE (F)   26       -12      1883                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 23 2019......SUNRISE   711 AM EST   SUNSET   415 PM EST   
DECEMBER 24 2019......SUNRISE   711 AM EST   SUNSET   416 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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