Climatological Report (Daily)
Issued by NWS Boston, MA

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CDUS41 KBOX 182147
CLIBOS


CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
537 PM EDT FRI MAY 18 2018


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

...THE BOSTON MA CLIMATE SUMMARY FOR MAY 18 2018...
VALID TODAY AS OF 0500 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         65   1228 AM  95    2017  67     -2       95
  MINIMUM         53    359 PM  37    2002  50      3       71
  AVERAGE         59                        59      0       83

PRECIPITATION (IN)
  TODAY            0.00          1.72 2007   0.11  -0.11     0.05
  MONTH TO DATE    1.49                      1.88  -0.39     2.03
  SINCE MAR 1     11.18                      9.94   1.24    11.94
  SINCE JAN 1     19.87                     16.55   3.32    19.41

SNOWFALL (IN)
  TODAY            0.0           0.0  2001   0.0    0.0      0.0
                                      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
  TODAY            6                         7     -1        0
  MONTH TO DATE  110                       172    -62      201
  SINCE MAR 1   1546                      1511     35     1562
  SINCE JUL 1   5298                      5553   -255     5101

 COOLING
  TODAY            0                         1     -1       18
  MONTH TO DATE   34                         5     29       32
  SINCE MAR 1     34                         8     26       51
  SINCE JAN 1     34                         8     26       51
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION    NE (60)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION    NE (60)
  AVERAGE WIND SPEED    17.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           100 AM
 LOWEST     43           500 AM
 AVERAGE    67

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


THE BOSTON MA CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   67        90      2017
                                             1986
                                             1949
 MINIMUM TEMPERATURE (F)   51        38      1882


SUNRISE AND SUNSET
MAY 18 2018...........SUNRISE   520 AM EDT   SUNSET   802 PM EDT
MAY 19 2018...........SUNRISE   519 AM EDT   SUNSET   803 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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