133   
CDUS41 KBOX 201020  
CLIBOS  
  
CLIMATE REPORT   
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
620 AM EDT FRI JUN 20 2025  
   
...............................  
  
   
..THE BOSTON MA CLIMATE SUMMARY FOR JUNE 19 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         92    258 PM  98    2024  78     14       98         
  MINIMUM         68    509 AM  47    1920  61      7       70         
  AVERAGE         80                        69     11       84       
  
PRECIPITATION (IN)                                                      
  YESTERDAY        T             3.32 1922   0.13  -0.13     0.00       
  MONTH TO DATE    1.27                      2.60  -1.33     0.84       
  SINCE JUN 1      1.27                      2.60  -1.33     0.84       
  SINCE JAN 1     21.06                     20.25   0.81    25.85       
  
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     28.1                      49.2  -21.1      9.8        
  
DEGREE DAYS                                                             
 HEATING                                                                
  YESTERDAY        0                         1     -1        0          
  MONTH TO DATE   43                        44     -1        7          
  SINCE JUN 1     43                        44     -1        7          
  SINCE JUL 1   5116                      5540   -424     4874          
  
 COOLING                                                                
  YESTERDAY       15                         5     10       19          
  MONTH TO DATE   66                        65      1       91          
  SINCE JUN 1     66                        65      1       91          
  SINCE JAN 1     95                        98     -3      137           
...............................................................  
  
WIND (MPH)                                                              
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION  SW (210)         
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     S (200)         
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     S (200)         
  AVERAGE WIND SPEED    10.4                                          
  
SKY COVER                                                               
  POSSIBLE SUNSHINE  MM                                                   
  AVERAGE SKY COVER 0.6                                                   
  
WEATHER CONDITIONS                                                      
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                           
  LIGHT RAIN                                                            
  FOG                                                                   
  
RELATIVE HUMIDITY (PERCENT)  
 HIGHEST   100           500 AM                                        
 LOWEST     50           300 PM                                        
 AVERAGE    75                                                          
   
......................................................  
  
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
                         NORMAL    RECORD    YEAR                       
 MAXIMUM TEMPERATURE (F)   78        98      1953                        
 MINIMUM TEMPERATURE (F)   61        47      1918                        
  
SUNRISE AND SUNSET                                                      
JUNE 20 2025..........SUNRISE   507 AM EDT   SUNSET   824 PM EDT       
JUNE 21 2025..........SUNRISE   507 AM EDT   SUNSET   825 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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