AFOS product CLIBOS
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CLIBOS


CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA                            
147 AM EDT SUN SEP 13 2020


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

...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 12 2020...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1872 TO 2020


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         67    121 PM  93    1961  74     -7       76       
  MINIMUM         53    603 AM  43    1875  59     -6       58       
  AVERAGE         60                        66     -6       67      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.95 1960   0.12  -0.12     0.07    
  MONTH TO DATE    0.46                      1.26  -0.80     1.54    
  SINCE SEP 1      0.46                      1.26  -0.80     1.54    
  SINCE JAN 1     22.18                     29.88  -7.70    35.87    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0  2002   0.0    0.0      0.0     
                                      2001                          
                                      2000                          
  MONTH TO DATE    0.0                       0.0    0.0      0.0     
  SINCE SEP 1      0.0                       0.0    0.0      0.0     
  SINCE JUL 1      T                         0.0    0.0      0.0     
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        5                         2      3        0       
  MONTH TO DATE    5                        14     -9        1       
  SINCE SEP 1      5                        14     -9        1       
  SINCE JUL 1      7                        27    -20        1       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         3     -3        2       
  MONTH TO DATE   61                        49     12       49       
  SINCE SEP 1     61                        49     12       49       
  SINCE JAN 1    888                       708    180      927       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION   E (70)       
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     E (80)       
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     E (90)       
  AVERAGE WIND SPEED     9.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    83           100 AM                                     
 LOWEST     52          1000 AM                                     
 AVERAGE    68                                                       

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

                                                                     
THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   74        93      1957                    
 MINIMUM TEMPERATURE (F)   59        45      1985                    
                                             1911                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 13 2020.....SUNRISE   622 AM EDT   SUNSET   656 PM EDT   
SEPTEMBER 14 2020.....SUNRISE   623 AM EDT   SUNSET   655 PM EDT   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




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