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CDUS41 KBOX 120526
CLIBOS

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
126 AM EDT FRI SEP 12 2025

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

...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 11 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         74   1226 PM  99    1983  75     -1       73       
  MINIMUM         55    540 AM  40    1917  60     -5       58       
  AVERAGE         65                        67     -2       66     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          5.63 1954   0.11  -0.11     0.00     
  MONTH TO DATE    1.43                      1.17   0.26      T       
  SINCE SEP 1      1.43                      1.17   0.26      T       
  SINCE JAN 1     26.38                     29.21  -2.83    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        0                         1     -1        0        
  MONTH TO DATE   10                         9      1        1        
  SINCE SEP 1     10                         9      1        1        
  SINCE JUL 1     17                        18     -1        3        

 COOLING                                                              
  YESTERDAY        0                         4     -4        1        
  MONTH TO DATE   32                        52    -20       32        
  SINCE SEP 1     32                        52    -20       32        
  SINCE JAN 1    789                       752     37      842        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION   N (350)       
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     N (350)       
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    NW (330)       
  AVERAGE WIND SPEED     7.4                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.4                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  NO SIGNIFICANT WEATHER WAS OBSERVED.                                  


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           100 AM                                      
 LOWEST     46           900 PM                                      
 AVERAGE    67                                                        

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


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   75        93      1961                      
 MINIMUM TEMPERATURE (F)   60        43      1875                      


SUNRISE AND SUNSET                                                    
SEPTEMBER 12 2025.....SUNRISE   621 AM EDT   SUNSET   659 PM EDT     
SEPTEMBER 13 2025.....SUNRISE   622 AM EDT   SUNSET   657 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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