018   
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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