897   
CDUS41 KBOX 180807  
CLIBOS  
  
CLIMATE REPORT   
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
407 AM EDT WED JUN 18 2025  
   
...............................  
  
   
..THE BOSTON MA CLIMATE SUMMARY FOR JUNE 17 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   1258 PM  95    1894  77     -9       81         
  MINIMUM         59    105 AM  48    1926  60     -1       59         
  AVERAGE         64                        69     -5       70       
  
PRECIPITATION (IN)                                                      
  YESTERDAY        0.05          2.26 2001   0.14  -0.09     0.00       
  MONTH TO DATE    1.27                      2.33  -1.06     0.84       
  SINCE JUN 1      1.27                      2.33  -1.06     0.84       
  SINCE JAN 1     21.06                     19.98   1.08    25.85       
  
SNOWFALL (IN)                                                                
  YESTERDAY        0.0           T    1952   0.0    0.0      0.0        
  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        1                         1      0        0          
  MONTH TO DATE   43                        42      1        7          
  SINCE JUN 1     43                        42      1        7          
  SINCE JUL 1   5116                      5538   -422     4874          
  
 COOLING                                                                
  YESTERDAY        0                         5     -5        5          
  MONTH TO DATE   44                        55    -11       57          
  SINCE JUN 1     44                        55    -11       57          
  SINCE JAN 1     73                        88    -15      103           
...............................................................  
  
WIND (MPH)                                                              
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION   E (100)         
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     E (100)         
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     E (110)         
  AVERAGE WIND SPEED     9.1                                          
  
SKY COVER                                                               
  POSSIBLE SUNSHINE  MM                                                   
  AVERAGE SKY COVER 0.9                                                   
  
WEATHER CONDITIONS                                                      
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                           
  LIGHT RAIN                                                            
  FOG                                                                   
  
RELATIVE HUMIDITY (PERCENT)  
 HIGHEST    97           400 PM                                        
 LOWEST     78          1100 AM                                        
 AVERAGE    88                                                          
   
......................................................  
  
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
                         NORMAL    RECORD    YEAR                       
 MAXIMUM TEMPERATURE (F)   77        94      1907                        
                                             1929                       
 MINIMUM TEMPERATURE (F)   61        47      1920                        
  
SUNRISE AND SUNSET                                                      
JUNE 18 2025..........SUNRISE   507 AM EDT   SUNSET   824 PM EDT       
JUNE 19 2025..........SUNRISE   507 AM EDT   SUNSET   824 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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