Climatological Report (Annual)
Issued by NWS Boston, MA

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000
CXUS51 KBOX 022214 CCA
CLABOS

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

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

...THE BOSTON CLIMATE SUMMARY FOR THE YEAR OF 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             104   07/04/1911
 LOW              -18   02/09/1934
HIGHEST            95   06/13
                        06/12
                        05/18
LOWEST              2   12/29
AVG. MAXIMUM     59.9              58.8     1.1
AVG. MINIMUM     45.2              44.1     1.1
MEAN             52.5              51.5     1.0
DAYS MAX >= 90     12              10.3     1.7
DAYS MAX <= 32     22              24.6    -2.6
DAYS MIN <= 32     90              91.9    -1.9
DAYS MIN <= 0       0               0.5    -0.5

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        65.53   1878
 MINIMUM        23.71   1965
TOTALS          43.45             43.77   -0.32
DAILY AVG.       0.12              0.12    0.00
DAYS >= .01       138             126.0    12.0
DAYS >= .10        76              76.2    -0.2
DAYS >= .50        33              28.4     4.6
DAYS >= 1.00       11              10.1     0.9
GREATEST
 24 HR. TOTAL    2.13   MM

SNOWFALL (INCHES)
RECORDS
 TOTAL           108.6  2015
 SNOW DEPTH        36   01/31/1904
TOTALS           50.9              43.8     7.1
SINCE 7/1         9.2              10.3    -1.1
SNOWDEPTH AVG.     MM
DAYS >= 1.0        13              10.9     2.1
GREATEST
 SNOW DEPTH        MM
 24 HR TOTAL     10.9   MM

DEGREE_DAYS
HEATING TOTAL    5310              5681    -371
 SINCE 7/1       1884              1994    -110
COOLING TOTAL     880               747     133
 SINCE 1/1        880               747     133
.................................................

WIND (MPH)
AVERAGE WIND SPEED              11.4
RESULTANT WIND SPEED/DIRECTION   3/266
HIGHEST WIND SPEED/DIRECTION    46/120    DATE  10/30
HIGHEST GUST SPEED/DIRECTION    65/220    DATE  09/14

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR           81
NUMBER OF DAYS PC            156
NUMBER OF DAYS CLOUDY        128

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN               33     RAIN                      60
LIGHT RAIN              147     FREEZING RAIN              0
LT FREEZING RAIN          4     HAIL                       2
HEAVY SNOW                5     SNOW                      15
LIGHT SNOW               38     SLEET                      2
FOG                     140     FOG W/VIS <= 1/4 MILE     26
HAZE                     29

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

$$

                             BOSTON

            ...PERIOD OF RECORD: 1872 TO PRESENT...

       AVG HIGH  AVG LOW  AVG MEAN  PCPN  SNOW  REMARKS
       --------  -------  --------  ----  ----  -------

JAN:      41.0     29.2     35.1    4.25   8.9
          +5.2     +7.0     +6.1   +0.89  -4.0

FEB:      44.7     28.5     36.6    3.22  21.5  5TH WARMEST
          +6.0     +3.8     +4.9   -0.03 +10.6

MAR:      41.4     26.7     34.1    4.18  10.1
          -4.0     -4.4     -4.3   -0.14  +2.3

APR:      59.8     43.5     51.7    5.73   1.2  5TH WARMEST
          +4.2     +2.9     +3.6   +1.99  -0.7

MAY:      62.5     50.2     56.4    3.45   0.0
          -3.5     +0.3     -1.5   -0.04   0.0

JUN:      78.4     60.6     69.5    4.85   0.0
          +2.5     +1.1     +1.8   +1.17   0.0

JUL:      80.0     64.9     72.5    4.03   0.0
          -1.4     -0.5     -0.9   +0.60   0.0

AUG:      79.6     64.5     72.1    1.58   0.0
           0.0     -0.1      0.0   -1.77   0.0

SEP:      74.4     59.8     67.1    3.73   0.0
          +2.0     +2.4     +2.2   +0.29   0.0

OCT:      68.9     53.8     61.4    4.14   0.0  2ND WARMEST
          +7.5     +7.3     +7.4   +0.20   0.0

NOV:      51.3     36.1     43.7    1.80     T
          -0.2     -1.9     -1.0   -2.19  -1.3

DEC:      36.6     24.8     30.7    2.49   9.2
          -4.6     -3.4     -4.0   -1.29  +0.2

SEASONAL SUMMARY
------------------

WINTER:   42.5     28.8     35.6   10.72  36.3  5TH WARMEST
          +3.9     +3.7     +3.8   +0.33  +3.5

SPRING:   54.5     40.0     47.3   13.36  11.3
          -1.2     -0.5     -0.8   +1.81  +1.6

SUMMER:   79.3     63.4     71.3   10.46   0.0
          +0.3     +0.2     +0.2    0.00   0.0

AUTUMN:   64.9     49.9     57.4    9.67     T  5TH WARMEST
          +3.1     +2.6     +2.9   -1.70  -1.3

ANNUAL SUMMARY
--------------

ANNUAL:   59.9     45.3     52.6   43.45  50.9
          +1.1     +1.3     +1.2   -0.32  +7.1

DAILY RECORDS
-------------
01/12...TIED RECORD HIGH TEMPERATURE...........61...ALSO SET IN 1975, 1913.

02/23...RECORD HIGH TEMPERATURE................68...PREV 65 IN 1990.
02/24...RECORD HIGH TEMPERATURE................73...PREV 70 IN 1985.
02/25...RECORD HIGH TEMPERATURE................69...PREV 65 IN 1930.
02/25...RECORD MAXIMUM LOW TEMPERATURE.........49...PREV 46 IN 1891.

03/01...TIED RECORD HIGH TEMPERATURE...........63...ALSO SET IN 1991.
03/01...RECORD MAXIMUM LOW TEMPERATURE.........48...PREV 45 IN 1902.
03/04...TIED RECORD MINIMUM HIGH TEMPERATURE...21...ALSO SET IN 1896.
03/14...RECORD SNOWFALL........................6.6...PREV 3.8 IN 1942.

04/11...RECORD HIGH TEMPERATURE................84...PREV 78 IN 1955.

05/17...TIED RECORD HIGH TEMPERATURE...........92...ALSO SET IN 1977.
05/18...RECORD HIGH TEMPERATURE................95...PREV 91 IN 1936.
05/18...RECORD MAXIMUM LOW TEMPERATURE.........71...PREV 63 IN 1896.
05/19...TIED RECORD HIGH TEMPERATURE...........90...ALSO SET IN 1986/1949.

06/06...TIED MINIMUM HIGH TEMPERATURE...52...ALSO SET IN 1926.

07/12...RECORD DAILY PRECIPITATION...1.33...PREV 1.02 IN 2006.

09/27...TIED RECORD HIGH TEMP...86...ALSO SET IN 1998, 1993, 1916

10/08...RECORD MAXIMUM LOW TEMPERATURE...68...PREV 63 IN 1976
10/09...RECORD MAXIMUM LOW TEMPERATURE...67...PREV 65 IN 2011
10/10...RECORD MAXIMUM LOW TEMPERATURE...65...PREV 64 IN 2011
10/24...RECORD MAXIMUM LOW TEMPERATURE...62...PREV 60 IN 2001, 1900

11/10...RECORD LOW TEMPERATURE...24...PREV 25 IN 2004
11/11...RECORD MINIMUM HIGH TEMP...37...PREV 38 IN 1987, 1971, 1890
11/11...RECORD LOW TEMPERATURE...23...PREV 24 IN 1901

12/28...RECORD LOW MAXIMUM TEMPERATURE...12...PREV 18 IN 1924

MONTHLY RECORDS
---------------
FEBRUARY...ALL-TIME WARMEST HIGH TEMPERATURE...73...PREV 70 IN 1985.

MARCH......FIRST EVER COLDER MONTHLY AVERAGE TEMPERATURE...34.1
           COMPARED TO DECEMBER (35.2) / JANUARY (35.1) / FEBRUARY (36.6)

MAY........FIRST EVER MONTH IN WHICH NO HIGH TEMPERATURES RANGING FROM
           70 TO 79 DEGREES WERE OBSERVED

SEP/OCT....RECORD COMBINED AVG TEMP...64.2...PREV 63.8 IN 1971

SEASONAL RECORDS
----------------
NONE

ALL-TIME RECORDS (SINCE RECORDS BEGAN)
----------------
TIED LONGEST STREAK OF CONSECUTIVE DAYS IN WHERE THE LOW TEMPERATURE
WAS >= 40F ... 04/20 TO 11/06 ALSO SET FROM 04/13 TO 10/30 IN 1968



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