902   
CDUS41 KBOX 232123  
CLIBOS  
  
CLIMATE REPORT   
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
523 PM EDT TUE SEP 23 2025  
   
...............................  
  
   
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 23 2025  
  
VALID TODAY AS OF 0500 PM LOCAL TIME.  
  
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)                                                            
 TODAY                                                                 
  MAXIMUM         80   1222 PM  96    1895  71      9       65         
  MINIMUM         60    444 AM  35    1875  56      4       55         
                                      1904                             
  AVERAGE         70                        63      7       60       
  
PRECIPITATION (IN)                                                      
  TODAY            0.00          2.64 1994   0.12  -0.12      T         
  MONTH TO DATE    1.55                      2.66  -1.11     0.97       
  SINCE SEP 1      1.55                      2.66  -1.11     0.97       
  SINCE JAN 1     26.50                     30.70  -4.20    35.11       
  
SNOWFALL (IN)                                                                
  TODAY            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                                                                
  TODAY            0                         4     -4        5          
  MONTH TO DATE   32                        38     -6       18          
  SINCE SEP 1     32                        38     -6       18          
  SINCE JUL 1     39                        47     -8       20          
  
 COOLING                                                                
  TODAY            5                         2      3        0          
  MONTH TO DATE   50                        82    -32       61          
  SINCE SEP 1     50                        82    -32       61          
  SINCE JAN 1    807                       782     25      871           
...............................................................  
  
WIND (MPH)                                                              
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     W (250)         
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     W (260)         
  AVERAGE WIND SPEED    10.4                                          
  
SKY COVER                                                               
  POSSIBLE SUNSHINE  MM                                                   
  AVERAGE SKY COVER 0.4                                                   
  
WEATHER CONDITIONS                                                      
THE FOLLOWING WEATHER WAS RECORDED TODAY.                               
  NO SIGNIFICANT WEATHER WAS OBSERVED.                                    
  
RELATIVE HUMIDITY (PERCENT)  
 HIGHEST    93           300 AM                                        
 LOWEST     58          1200 PM                                        
 AVERAGE    76                                                          
   
......................................................  
  
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
                         NORMAL    RECORD    YEAR                       
 MAXIMUM TEMPERATURE (F)   70        90      1959                        
 MINIMUM TEMPERATURE (F)   55        39      1885                        
                                             1963                       
                                             1974                       
  
SUNRISE AND SUNSET                                                      
SEPTEMBER 23 2025.....SUNRISE   633 AM EDT   SUNSET   639 PM EDT       
SEPTEMBER 24 2025.....SUNRISE   634 AM EDT   SUNSET   637 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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