930   
CDUS41 KBOX 190549  
CLIBOS  
  
CLIMATE REPORT   
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
149 AM EDT TUE AUG 19 2025  
   
...............................  
  
   
..THE BOSTON MA CLIMATE SUMMARY FOR AUGUST 18 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         68   1223 AM  95    2002  80    -12       69         
                                      2009                             
  MINIMUM         60    936 PM  53    1918  65     -5       65         
  AVERAGE         64                        73     -9       67       
  
PRECIPITATION (IN)                                                      
  YESTERDAY        T             4.88 1955   0.10  -0.10     0.03       
  MONTH TO DATE    0.52                      1.95  -1.43     3.58       
  SINCE JUN 1      4.85                      9.11  -4.26     9.01       
  SINCE JAN 1     24.64                     26.76  -2.12    34.02       
  
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        1                         0      1        0          
  MONTH TO DATE    1                         0      1        1          
  SINCE JUN 1     45                        54     -9        8          
  SINCE JUL 1      1                         4     -3        1          
  
 COOLING                                                                
  YESTERDAY        0                         8     -8        2          
  MONTH TO DATE  136                       155    -19      164          
  SINCE JUN 1    677                       577    100      702          
  SINCE JAN 1    706                       610     96      748           
...............................................................  
  
WIND (MPH)                                                              
  RESULTANT WIND SPEED  11   RESULTANT WIND DIRECTION  NE (60)          
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    NE (30)          
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    NE (40)          
  AVERAGE WIND SPEED    12.7                                          
  
SKY COVER                                                               
  POSSIBLE SUNSHINE  MM                                                   
  AVERAGE SKY COVER 0.7                                                   
  
WEATHER CONDITIONS                                                      
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                           
  LIGHT RAIN                                                            
  FOG                                                                   
  
RELATIVE HUMIDITY (PERCENT)  
 HIGHEST    87          1200 AM                                        
 LOWEST     47          1100 AM                                        
 AVERAGE    67                                                          
   
......................................................  
  
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
                         NORMAL    RECORD    YEAR                       
 MAXIMUM TEMPERATURE (F)   80        95      2019                        
 MINIMUM TEMPERATURE (F)   65        51      1882                        
  
SUNRISE AND SUNSET                                                      
AUGUST 19 2025........SUNRISE   556 AM EDT   SUNSET   739 PM EDT       
AUGUST 20 2025........SUNRISE   557 AM EDT   SUNSET   737 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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