919   
CDUS41 KBOX 232105  
CLIBOS  
  
CLIMATE REPORT   
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
505 PM EDT FRI MAY 23 2025  
   
...............................  
  
   
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 23 2025  
  
VALID TODAY AS OF 0500 PM LOCAL TIME.  
  
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)                                                            
 TODAY                                                                 
  MAXIMUM         58    300 PM  93    1964  68    -10       78         
  MINIMUM         44        MM  40    1876  52     -8       65          
                                      1882                             
                                      1967                             
  AVERAGE         51                        60     -9       72       
  
PRECIPITATION (IN)                                                      
  TODAY            0.36          1.09 1913   0.12   0.24     0.09       
  MONTH TO DATE    6.82                      2.35   4.47     2.81       
  SINCE MAR 1     14.05                     10.15   3.90    14.71       
  SINCE JAN 1     19.36                     16.75   2.61    23.00       
  
SNOWFALL (IN)                                                                
  TODAY            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                                                                
  TODAY           14                         6      8        0          
  MONTH TO DATE  159                       192    -33      192          
  SINCE MAR 1   1278                      1516   -238     1373          
  SINCE JUL 1   5037                      5454   -417     4858          
  
 COOLING                                                                
  TODAY            0                         1     -1        7          
  MONTH TO DATE   16                        15      1       21          
  SINCE MAR 1     22                        19      3       21          
  SINCE JAN 1     22                        19      3       21           
...............................................................  
  
WIND (MPH)                                                              
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     N (10)          
  HIGHEST GUST SPEED    40   HIGHEST GUST DIRECTION     N (360)         
  AVERAGE WIND SPEED    14.1                                          
  
SKY COVER                                                               
  POSSIBLE SUNSHINE  MM                                                   
  AVERAGE SKY COVER 1.0                                                   
  
WEATHER CONDITIONS                                                      
THE FOLLOWING WEATHER WAS RECORDED TODAY.                               
  HEAVY RAIN                                                            
  RAIN                                                                  
  LIGHT RAIN                                                            
  FOG                                                                   
  
RELATIVE HUMIDITY (PERCENT)  
 HIGHEST    93          1200 AM                                        
 LOWEST     57           300 PM                                        
 AVERAGE    75                                                          
   
......................................................  
  
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
                         NORMAL    RECORD    YEAR                       
 MAXIMUM TEMPERATURE (F)   69        93      1964                        
 MINIMUM TEMPERATURE (F)   53        36      1882                        
  
SUNRISE AND SUNSET                                                      
MAY 23 2025...........SUNRISE   515 AM EDT   SUNSET   807 PM EDT       
MAY 24 2025...........SUNRISE   515 AM EDT   SUNSET   808 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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