870   
CDUS41 KBOX 010528  
CLIBOS  
  
CLIMATE REPORT   
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
128 AM EDT SUN JUN 01 2025  
   
...............................  
  
   
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 31 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         70   1140 AM  96    1944  71     -1       77         
  MINIMUM         52   1159 PM  39    1884  55     -3       54         
  AVERAGE         61                        63     -2       66       
  
PRECIPITATION (IN)                                                      
  YESTERDAY        0.21          4.12 1984   0.11   0.10     0.00       
  MONTH TO DATE    7.25                      3.25   4.00     4.82       
  SINCE MAR 1     14.48                     11.05   3.43    16.72       
  SINCE JAN 1     19.79                     17.65   2.14    25.01       
  
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 MAR 1      T                        10.6  -10.6      0.1        
  SINCE JUL 1     28.1                      49.2  -21.1      9.8        
  
DEGREE DAYS                                                             
 HEATING                                                                
  YESTERDAY        4                         4      0        0          
  MONTH TO DATE  195                       232    -37      201          
  SINCE MAR 1   1314                      1556   -242     1382          
  SINCE JUL 1   5073                      5494   -421     4867          
  
 COOLING                                                                
  YESTERDAY        0                         2     -2        1          
  MONTH TO DATE   23                        29     -6       46          
  SINCE MAR 1     29                        33     -4       46          
  SINCE JAN 1     29                        33     -4       46           
...............................................................  
  
WIND (MPH)                                                              
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION  SW (210)         
  HIGHEST WIND SPEED    31   HIGHEST WIND DIRECTION     W (250)         
  HIGHEST GUST SPEED    44   HIGHEST GUST DIRECTION     W (250)         
  AVERAGE WIND SPEED    15.4                                          
  
SKY COVER                                                               
  POSSIBLE SUNSHINE  MM                                                   
  AVERAGE SKY COVER 0.9                                                   
  
WEATHER CONDITIONS                                                      
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                           
  RAIN                                                                  
  LIGHT RAIN                                                            
  FOG                                                                   
  
RELATIVE HUMIDITY (PERCENT)  
 HIGHEST   100           100 AM                                        
 LOWEST     59          1100 AM                                        
 AVERAGE    80                                                          
   
......................................................  
  
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
                         NORMAL    RECORD    YEAR                       
 MAXIMUM TEMPERATURE (F)   71        96      1879                        
 MINIMUM TEMPERATURE (F)   55        41      1945                        
  
SUNRISE AND SUNSET                                                      
JUNE  1 2025..........SUNRISE   510 AM EDT   SUNSET   815 PM EDT       
JUNE  2 2025..........SUNRISE   509 AM EDT   SUNSET   815 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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