AFOS product CLIBOS
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download Bulk Download
407 
CDUS41 KBOX 140508
CLIBOS

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
108 AM EDT SUN SEP 14 2025

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

...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 13 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         71        MM  93    1957  74     -3       83        
  MINIMUM         55        MM  45    1911  59     -4       62        
                                      1985                           
  AVERAGE         63                        67     -4       73     

PRECIPITATION (IN)                                                    
  YESTERDAY        T             2.30 1918   0.12  -0.12     0.00     
                                      1987                           
  MONTH TO DATE    1.43                      1.40   0.03      T       
  SINCE SEP 1      1.43                      1.40   0.03      T       
  SINCE JAN 1     26.38                     29.44  -3.06    34.14     

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        2                         2      0        0        
  MONTH TO DATE   14                        12      2        1        
  SINCE SEP 1     14                        12      2        1        
  SINCE JUL 1     21                        21      0        3        

 COOLING                                                              
  YESTERDAY        0                         3     -3        8        
  MONTH TO DATE   32                        58    -26       45        
  SINCE SEP 1     32                        58    -26       45        
  SINCE JAN 1    789                       758     31      855        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION   S (160)       
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     E (100)       
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM            
  AVERAGE WIND SPEED     9.1                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.5                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  LIGHT RAIN                                                          


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           600 AM                                      
 LOWEST     57           200 PM                                      
 AVERAGE    75                                                        

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


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   74        92      1915                      
                                             1931                     
 MINIMUM TEMPERATURE (F)   59        40      1884                      


SUNRISE AND SUNSET                                                    
SEPTEMBER 14 2025.....SUNRISE   623 AM EDT   SUNSET   655 PM EDT     
SEPTEMBER 15 2025.....SUNRISE   624 AM EDT   SUNSET   653 PM EDT     


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




$$