Climatological Report (Daily)
Issued by NWS Boston, MA

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CDUS41 KBOX 180548
CLIBOS


CLIMATE REPORT
NATIONAL WEATHER SERVICE TAUNTON MA
1237 AM EST MON DEC 18 2017


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

...THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 17 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1872 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         31    136 PM  64    2000  41    -10       36
  MINIMUM         20    808 AM  -4    1919  28     -8       21
                                      1876
  AVERAGE         26                        34     -8       29

PRECIPITATION (IN)
  YESTERDAY        0.00          2.82 1970   0.12  -0.12     0.53
  MONTH TO DATE    1.34                      2.17  -0.83     1.50
  SINCE DEC 1      1.34                      2.17  -0.83     1.50
  SINCE JAN 1     42.30                     42.16   0.14    31.30

SNOWFALL (IN)
  YESTERDAY        0.0           6.4  2013   0.3   -0.3      4.3
  MONTH TO DATE    6.1                       4.0    2.1      5.5
  SINCE DEC 1      6.1                       4.0    2.1      5.5
  SINCE JUL 1      6.1                       5.3    0.8      5.5
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  YESTERDAY       39                        31      8       36
  MONTH TO DATE  498                       476     22      520
  SINCE DEC 1    498                       476     22      520
  SINCE JUL 1   1325                      1531   -206     1435

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    880                       747    133     1035
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION  NW (310)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED     9.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    57           300 AM
 LOWEST     28           200 PM
 AVERAGE    43

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


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   40        61      1990
                                             1928
                                             1915
 MINIMUM TEMPERATURE (F)   27        -6      1919


SUNRISE AND SUNSET
DECEMBER 18 2017......SUNRISE   708 AM EST   SUNSET   413 PM EST
DECEMBER 19 2017......SUNRISE   709 AM EST   SUNSET   414 PM EST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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