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CDUS41 KBOX 150751
CLIBOS

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
351 AM EDT THU MAY 15 2025

...................................

...THE BOSTON MA CLIMATE SUMMARY FOR MAY 14 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         62    242 PM  86    1879  66     -4       77       
                                      2022                           
  MINIMUM         50    435 AM  37    1895  50      0       51       
  AVERAGE         56                        58     -2       64     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          3.77 2006   0.10  -0.10     0.00     
  MONTH TO DATE    3.00                      1.44   1.56     1.33     
  SINCE MAR 1     10.23                      9.24   0.99    13.23     
  SINCE JAN 1     15.54                     15.84  -0.30    21.52     

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        9                         8      1        1        
  MONTH TO DATE   88                       132    -44      148        
  SINCE MAR 1   1207                      1456   -249     1329        
  SINCE JUL 1   4966                      5394   -428     4814        

 COOLING                                                              
  YESTERDAY        0                         1     -1        0        
  MONTH TO DATE    6                         6      0        0        
  SINCE MAR 1     12                        10      2        0        
  SINCE JAN 1     12                        10      2        0        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION   E (70)        
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     E (70)        
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    NE (60)        
  AVERAGE WIND SPEED     6.9                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.8                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  HAZE                                                                


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93          1100 PM                                      
 LOWEST     69          1100 AM                                      
 AVERAGE    81                                                        

..........................................................


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   66        93      1900                      
 MINIMUM TEMPERATURE (F)   50        36      1947                      


SUNRISE AND SUNSET                                                    
MAY 15 2025...........SUNRISE   522 AM EDT   SUNSET   759 PM EDT     
MAY 16 2025...........SUNRISE   521 AM EDT   SUNSET   800 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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