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CDUS41 KBOX 120600
CLIBOS

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
200 AM EDT FRI MAY 12 2023

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

...THE BOSTON MA CLIMATE SUMMARY FOR MAY 11 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    153 PM  91    1993  65     17       60       
  MINIMUM         58    458 AM  33    1900  49      9       46       
  AVERAGE         70                        57     13       53     

PRECIPITATION (IN)                                                    
  YESTERDAY        T             1.42 1989   0.10  -0.10     0.00     
  MONTH TO DATE    0.28                      1.15  -0.87     0.37     
  SINCE MAR 1      7.67                      8.95  -1.28     5.62     
  SINCE JAN 1     14.26                     15.55  -1.29    12.56     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           T    1945   0.0    0.0      0.0      
  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       12        
  MONTH TO DATE   83                       108    -25      142        
  SINCE MAR 1   1251                      1432   -181     1306        
  SINCE JUL 1   4567                      5370   -803     4928        

 COOLING                                                              
  YESTERDAY        5                         1      4        0        
  MONTH TO DATE    9                         3      6        0        
  SINCE MAR 1     14                         7      7        0        
  SINCE JAN 1     14                         7      7        0        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   W (280)       
  HIGHEST WIND SPEED    31   HIGHEST WIND DIRECTION     N (350)       
  HIGHEST GUST SPEED    41   HIGHEST GUST DIRECTION    NW (330)       
  AVERAGE WIND SPEED     9.2                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.3                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  LIGHT RAIN                                                          


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    54           700 PM                                      
 LOWEST     20           300 PM                                      
 AVERAGE    37                                                        

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


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   65        88      1991                      
                                             2001                     
 MINIMUM TEMPERATURE (F)   49        33      1907                      


SUNRISE AND SUNSET                                                    
MAY 12 2023...........SUNRISE   526 AM EDT   SUNSET   756 PM EDT     
MAY 13 2023...........SUNRISE   525 AM EDT   SUNSET   757 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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