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CLIBOS

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
140 AM EDT MON MAY 22 2023

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

...THE BOSTON MA CLIMATE SUMMARY FOR MAY 21 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         76    349 PM  93    1921  68      8       71       
  MINIMUM         61    821 AM  41    1907  52      9       54       
  AVERAGE         69                        60      9       63     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.11          2.24 1889   0.10   0.01     0.02     
  MONTH TO DATE    2.22                      2.13   0.09     0.50     
  SINCE MAR 1      9.61                      9.93  -0.32     5.75     
  SINCE JAN 1     16.20                     16.53  -0.33    12.69     

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                         6     -6        2        
  MONTH TO DATE  127                       180    -53      166        
  SINCE MAR 1   1295                      1504   -209     1330        
  SINCE JUL 1   4611                      5442   -831     4952        

 COOLING                                                              
  YESTERDAY        4                         1      3        0        
  MONTH TO DATE   31                        13     18       22        
  SINCE MAR 1     36                        17     19       22        
  SINCE JAN 1     36                        17     19       22        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION   W (290)       
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     W (280)       
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     W (270)       
  AVERAGE WIND SPEED    10.9                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.6                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  HEAVY RAIN                                                          
  RAIN                                                                
  LIGHT RAIN                                                          
  FOG                                                                 


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97          1200 AM                                      
 LOWEST     38           400 PM                                      
 AVERAGE    68                                                        

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


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   68        93      1959                      
 MINIMUM TEMPERATURE (F)   52        39      1894                      


SUNRISE AND SUNSET                                                    
MAY 22 2023...........SUNRISE   517 AM EDT   SUNSET   806 PM EDT     
MAY 23 2023...........SUNRISE   516 AM EDT   SUNSET   807 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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