797   
CDUS41 KBOX 170527  
CLIBOS  
  
CLIMATE REPORT   
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
127 AM EDT SUN AUG 17 2025  
   
...............................  
  
   
..THE BOSTON MA CLIMATE SUMMARY FOR AUGUST 16 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         79    205 PM  97    1944  81     -2       72         
  MINIMUM         63    522 AM  47    1880  65     -2       64         
  AVERAGE         71                        73     -2       68       
  
PRECIPITATION (IN)                                                      
  YESTERDAY        0.00          1.77 1872   0.11  -0.11     0.00       
  MONTH TO DATE    0.52                      1.75  -1.23     3.55       
  SINCE JUN 1      4.85                      8.91  -4.06     8.98       
  SINCE JAN 1     24.64                     26.56  -1.92    33.99       
  
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 JUN 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                         0      0        0          
  MONTH TO DATE    0                         0      0        1          
  SINCE JUN 1     44                        54    -10        8          
  SINCE JUL 1      0                         4     -4        1          
  
 COOLING                                                                
  YESTERDAY        6                         8     -2        3          
  MONTH TO DATE  121                       139    -18      160          
  SINCE JUN 1    662                       561    101      698          
  SINCE JAN 1    691                       594     97      744           
...............................................................  
  
WIND (MPH)                                                              
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION  SE (130)         
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     E (100)         
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     E (90)          
  AVERAGE WIND SPEED     9.4                                          
  
SKY COVER                                                               
  POSSIBLE SUNSHINE  MM                                                   
  AVERAGE SKY COVER 0.1                                                   
  
WEATHER CONDITIONS                                                      
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                           
  NO SIGNIFICANT WEATHER WAS OBSERVED.                                    
  
RELATIVE HUMIDITY (PERCENT)  
 HIGHEST    87           600 AM                                        
 LOWEST     41           200 PM                                        
 AVERAGE    64                                                          
   
......................................................  
  
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
                         NORMAL    RECORD    YEAR                       
 MAXIMUM TEMPERATURE (F)   81        97      1944                        
 MINIMUM TEMPERATURE (F)   65        51      1934                        
  
SUNRISE AND SUNSET                                                      
AUGUST 17 2025........SUNRISE   554 AM EDT   SUNSET   742 PM EDT       
AUGUST 18 2025........SUNRISE   555 AM EDT   SUNSET   740 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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