Climatological Report (Daily)
Issued by NWS Boston, MA

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CDUS41 KBOX 160608
CLIBOS


CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
157 AM EDT WED MAY 16 2018


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

...THE BOSTON MA CLIMATE SUMMARY FOR MAY 15 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         85    207 PM  93    1900  66     19       61
  MINIMUM         58    603 AM  36    1947  50      8       47
  AVERAGE         72                        58     14       54

PRECIPITATION (IN)
  YESTERDAY        1.00          1.73 1978   0.10   0.90     0.07
  MONTH TO DATE    1.49                      1.56  -0.07     1.98
  SINCE MAR 1     11.18                      9.62   1.56    11.89
  SINCE JAN 1     19.87                     16.23   3.64    19.36

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        0                         8     -8       11
  MONTH TO DATE   91                       149    -58      201
  SINCE MAR 1   1527                      1488     39     1562
  SINCE JUL 1   5279                      5530   -251     5101

 COOLING
  YESTERDAY        7                         1      6        0
  MONTH TO DATE   34                         2     32        0
  SINCE MAR 1     34                         5     29       19
  SINCE JAN 1     34                         5     29       19
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION  SW (210)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED    10.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97          1100 PM
 LOWEST     44           200 PM
 AVERAGE    71

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


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   66        93      1932
 MINIMUM TEMPERATURE (F)   50        34      1936


SUNRISE AND SUNSET
MAY 16 2018...........SUNRISE   522 AM EDT   SUNSET   800 PM EDT
MAY 17 2018...........SUNRISE   521 AM EDT   SUNSET   801 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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