Climatological Report (Daily)
Issued by NWS Boston, MA

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987
CDUS41 KBOX 120758
CLIBOS


CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
258 AM EST WED DEC 12 2018


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

...THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 11 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         38    314 PM  68    1911  43     -5       39
  MINIMUM         23    521 AM  -2    1876  30     -7       32
  AVERAGE         31                        36     -5       36

PRECIPITATION (IN)
  YESTERDAY        0.00          1.52 1936   0.13  -0.13     0.00
  MONTH TO DATE    0.75                      1.44  -0.69     1.32
  SINCE DEC 1      0.75                      1.44  -0.69     1.32
  SINCE JAN 1     51.35                     41.43   9.92    42.28

SNOWFALL (IN)
  YESTERDAY        0.0           2.7  1986   0.2   -0.2      0.0
  MONTH TO DATE    T                         2.3   -2.3      6.1
  SINCE DEC 1      T                         2.3   -2.3      6.1
  SINCE JUL 1      0.1                       3.6   -3.5      6.1
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  YESTERDAY       34                        29      5       29
  MONTH TO DATE  322                       297     25      278
  SINCE DEC 1    322                       297     25      278
  SINCE JUL 1   1346                      1352     -6     1105

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1   1132                       747    385      880
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION   W (290)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED     6.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    56           600 PM
 LOWEST     37           200 PM
 AVERAGE    47

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


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   42        68      1979
                                             1911
 MINIMUM TEMPERATURE (F)   29         2      1988


SUNRISE AND SUNSET
DECEMBER 12 2018......SUNRISE   704 AM EST   SUNSET   412 PM EST
DECEMBER 13 2018......SUNRISE   705 AM EST   SUNSET   412 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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