AFOS product CLIBOS
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CDUS41 KBOX 150619
CLIBOS


CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA                            
208 AM EDT TUE MAY 15 2018


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

...THE BOSTON MA CLIMATE SUMMARY FOR MAY 14 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1872 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         69    610 PM  86    1879  65      4       51       
  MINIMUM         49    221 AM  37    1895  49      0       46       
  AVERAGE         59                        57      2       49      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          3.77 2006   0.10  -0.10     0.95    
  MONTH TO DATE    0.49                      1.46  -0.97     1.91    
  SINCE MAR 1     10.18                      9.52   0.66    11.82    
  SINCE JAN 1     18.87                     16.13   2.74    19.29    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0  2002   0.0    0.0      0.0     
                                      2001                          
                                      2000                          
  MONTH TO DATE    0.0                       0.1   -0.1      0.0     
  SINCE MAR 1     24.6                       9.8   14.8     11.3     
  SINCE JUL 1     59.9                      43.9   16.0     47.6     
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        6                         8     -2       16       
  MONTH TO DATE   91                       141    -50      190       
  SINCE MAR 1   1527                      1480     47     1551       
  SINCE JUL 1   5279                      5522   -243     5090       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE   27                         1     26        0       
  SINCE MAR 1     27                         4     23       19       
  SINCE JAN 1     27                         4     23       19       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   S (170)      
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED     8.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    96           700 AM                                     
 LOWEST     63          1200 PM                                     
 AVERAGE    80                                                       

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

                                                                     
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 2018...........SUNRISE   523 AM EDT   SUNSET   759 PM EDT   
MAY 16 2018...........SUNRISE   522 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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