AFOS product CLIBOS
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CLIBOS

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
343 AM EDT MON SEP 08 2025

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

...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 7 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         67   1210 AM 102    1881  76     -9       74       
  MINIMUM         61   1055 PM  43    1888  61      0       60       
  AVERAGE         64                        69     -5       67     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.79          1.70 1891   0.10   0.69      T       
  MONTH TO DATE    1.43                      0.74   0.69      T       
  SINCE SEP 1      1.43                      0.74   0.69      T       
  SINCE JAN 1     26.38                     28.78  -2.40    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        1                         1      0        0        
  MONTH TO DATE    1                         5     -4        0        
  SINCE SEP 1      1                         5     -4        0        
  SINCE JUL 1      8                        14     -6        2        

 COOLING                                                              
  YESTERDAY        0                         4     -4        2        
  MONTH TO DATE   32                        36     -4       25        
  SINCE SEP 1     32                        36     -4       25        
  SINCE JAN 1    789                       736     53      835        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION   N (0)         
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     N (340)       
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     N (340)       
  AVERAGE WIND SPEED     7.0                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 1.0                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  HEAVY RAIN                                                          
  RAIN                                                                
  LIGHT RAIN                                                          
  FOG                                                                 


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           900 AM                                      
 LOWEST     75           100 AM                                      
 AVERAGE    86                                                        

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


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   76        96      2015                      
 MINIMUM TEMPERATURE (F)   61        48      1903                      
                                             1978                     


SUNRISE AND SUNSET                                                    
SEPTEMBER  8 2025.....SUNRISE   617 AM EDT   SUNSET   706 PM EDT     
SEPTEMBER  9 2025.....SUNRISE   618 AM EDT   SUNSET   704 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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