503 
CDUS41 KBOX 140530
CLIBOS

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
130 AM EDT SUN MAY 14 2023

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

...THE BOSTON MA CLIMATE SUMMARY FOR MAY 13 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2023


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         82    228 PM  87    1947  66     16       79       
  MINIMUM         59   1159 PM  37    2020  50      9       51       
  AVERAGE         71                        58     13       65     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          3.84 2006   0.10  -0.10     0.00     
  MONTH TO DATE    0.28                      1.34  -1.06     0.37     
  SINCE MAR 1      7.67                      9.14  -1.47     5.62     
  SINCE JAN 1     14.26                     15.74  -1.48    12.56     

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      0.9                      10.6   -9.7      2.1      
  SINCE JUL 1     12.4                      49.2  -36.8     54.0      

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        0                         8     -8        0        
  MONTH TO DATE   83                       124    -41      151        
  SINCE MAR 1   1251                      1448   -197     1315        
  SINCE JUL 1   4567                      5386   -819     4937        

 COOLING                                                              
  YESTERDAY        6                         1      5        0        
  MONTH TO DATE   21                         5     16        0        
  SINCE MAR 1     26                         9     17        0        
  SINCE JAN 1     26                         9     17        0        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED  11   RESULTANT WIND DIRECTION  NW (310)       
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     W (270)       
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     W (260)       
  AVERAGE WIND SPEED    12.4                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.5                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  NO SIGNIFICANT WEATHER WAS OBSERVED.                                  


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    53           300 AM                                      
 LOWEST     13           300 PM                                      
 AVERAGE    33                                                        

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


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   66        86      1879                      
                                             2022                     
 MINIMUM TEMPERATURE (F)   50        37      1895                      


SUNRISE AND SUNSET                                                    
MAY 14 2023...........SUNRISE   524 AM EDT   SUNSET   758 PM EDT     
MAY 15 2023...........SUNRISE   523 AM EDT   SUNSET   759 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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