AFOS product CLIBOS
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CDUS41 KBOX 220613
CLIBOS

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
213 AM EDT MON SEP 22 2025

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

...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 21 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         66    312 PM  94    1895  71     -5       60       
  MINIMUM         51    627 AM  40    1904  56     -5       57       
                                      1929                           
  AVERAGE         59                        64     -5       59     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          2.77 1961   0.13  -0.13     0.90     
  MONTH TO DATE    1.55                      2.41  -0.86     0.96     
  SINCE SEP 1      1.55                      2.41  -0.86     0.96     
  SINCE JAN 1     26.50                     30.45  -3.95    35.10     

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        6                         3      3        6        
  MONTH TO DATE   29                        31     -2       10        
  SINCE SEP 1     29                        31     -2       10        
  SINCE JUL 1     36                        40     -4       12        

 COOLING                                                              
  YESTERDAY        0                         2     -2        0        
  MONTH TO DATE   45                        78    -33       61        
  SINCE SEP 1     45                        78    -33       61        
  SINCE JAN 1    802                       778     24      871        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   E (90)        
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     E (100)       
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     E (100)       
  AVERAGE WIND SPEED     6.7                                        


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    83           600 AM                                      
 LOWEST     56           400 PM                                      
 AVERAGE    70                                                        

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


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   71        94      1895                      
 MINIMUM TEMPERATURE (F)   56        35      1904                      


SUNRISE AND SUNSET                                                    
SEPTEMBER 22 2025.....SUNRISE   632 AM EDT   SUNSET   641 PM EDT     
SEPTEMBER 23 2025.....SUNRISE   633 AM EDT   SUNSET   639 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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