Climatological Report (Monthly)
Issued by NWS Boston, MA

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CXUS51 KBOX 011328
CLMBOS


CLIMATE REPORT
NATIONAL WEATHER SERVICE TAUNTON MA
805 AM EST MON JAN 1 2018

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

...THE BOSTON MA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2017...

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

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              76   12/07/1998
 LOW              -17   12/29/1933
HIGHEST            59   12/05
LOWEST              2   12/29
AVG. MAXIMUM     36.5              41.2    -4.7
AVG. MINIMUM     24.8              28.2    -3.4
MEAN             30.7              34.7    -4.0
DAYS MAX >= 90      0               0.0     0.0
DAYS MAX <= 32      9               5.1     3.9
DAYS MIN <= 32     22              20.7     1.3
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         9.74   1969
 MINIMUM         0.66   1935
TOTALS           2.49              3.78   -1.29
DAILY AVG.       0.08              0.12   -0.04
DAYS >= .01        10              11.6    -1.6
DAYS >= .10         5               6.6    -1.6
DAYS >= .50         2               2.5    -0.5
DAYS >= 1.00        0               0.8    -0.8
GREATEST
 24 HR. TOTAL    0.66   12/09 TO 12/09

SNOWFALL (INCHES)
RECORDS
 TOTAL           27.9   1970
 SNOW DEPTH        MM   MM
TOTALS            9.2               9.0     0.2
SINCE 7/1         9.2              10.3    -1.1
SNOWDEPTH AVG.     MM
DAYS >= 1.0         2               2.0     0.0
GREATEST
 SNOW DEPTH        MM
 24 HR TOTAL      5.8   12/09 TO 12/09

DEGREE_DAYS
HEATING TOTAL    1057               939     118
 SINCE 7/1       1884              1994    -110
COOLING TOTAL       0                 0       0
 SINCE 1/1        880               747     133
.................................................

WIND (MPH)
AVERAGE WIND SPEED              11.4
RESULTANT WIND SPEED/DIRECTION   7/281
HIGHEST WIND SPEED/DIRECTION    38/200    DATE  12/06
HIGHEST GUST SPEED/DIRECTION    48/190    DATE  12/05

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            4
NUMBER OF DAYS PC             16
NUMBER OF DAYS CLOUDY         11

AVERAGE RH (PERCENT)     64

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       4
LIGHT RAIN                8     FREEZING RAIN              0
LT FREEZING RAIN          2     HAIL                       0
HEAVY SNOW                1     SNOW                       3
LIGHT SNOW                9     SLEET                      1
FOG                      12     FOG W/VIS <= 1/4 MILE      2
HAZE                      1

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

$$





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