AFOS product CLIBOS
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CDUS41 KBOX 210530
CLIBOS

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
130 AM EDT THU SEP 21 2023

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

...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 20 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2023


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         74    400 PM  97    1983  72      2       62       
  MINIMUM         59    634 AM  42    1929  57      2       58       
                                      1964                           
                                      1979                           
  AVERAGE         67                        64      3       60     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          2.82 1899   0.13  -0.13     0.01     
  MONTH TO DATE    2.98                      2.28   0.70     1.56     
  SINCE SEP 1      2.98                      2.28   0.70     1.56     
  SINCE JAN 1     39.54                     30.32   9.22    19.49     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           0.0  2000   0.0    0.0      0.0      
                                      2001                           
                                      2002                           
  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      0.0                       0.0    0.0      0.0      

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        0                         3     -3        5        
  MONTH TO DATE    2                        28    -26       15        
  SINCE SEP 1      2                        28    -26       15        
  SINCE JUL 1      2                        37    -35       15        

 COOLING                                                              
  YESTERDAY        2                         2      0        0        
  MONTH TO DATE  136                        76     60       67        
  SINCE SEP 1    136                        76     60       67        
  SINCE JAN 1    834                       776     58     1017        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION   W (280)       
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    NW (300)       
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    NW (320)       
  AVERAGE WIND SPEED     9.2                                        


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    78           300 AM                                      
 LOWEST     43           300 PM                                      
 AVERAGE    61                                                        

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


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   71        94      1895                      
 MINIMUM TEMPERATURE (F)   56        40      1904                      
                                             1929                     


SUNRISE AND SUNSET                                                    
SEPTEMBER 21 2023.....SUNRISE   630 AM EDT   SUNSET   644 PM EDT     
SEPTEMBER 22 2023.....SUNRISE   631 AM EDT   SUNSET   642 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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