Climatological Report (Annual)
Issued by NWS Boston, MA

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CXUS51 KBOX 020434 CCA
CLABDL

CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1055 AM EST TUE JAN 1 2019

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

...THE HARTFORD CLIMATE SUMMARY FOR THE YEAR OF 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1904 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH             103   07/22/2011
 LOW              -26   01/22/1961
HIGHEST            98   07/01
LOWEST             -9   01/07
AVG. MAXIMUM     61.2              60.8     0.4
AVG. MINIMUM     41.9              40.4     1.5
MEAN             51.6              50.6     1.0
DAYS MAX >= 90     32              14.6    17.4
DAYS MAX <= 32     22              27.9    -5.9
DAYS MIN <= 32    134             124.9     9.1
DAYS MIN <= 0       4               3.4     0.6

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        69.23   2011
 MINIMUM        29.45   1965
TOTALS          62.75             45.85   16.90
DAILY AVG.       0.17              0.13    0.04
DAYS >= .01       150             130.0    20.0
DAYS >= .10        95              78.4    16.6
DAYS >= .50        44              30.4    13.6
DAYS >= 1.00       22              11.6    10.4
GREATEST
 24 HR. TOTAL    2.22   12/21 TO 12/21

SNOWFALL (INCHES)
RECORDS
 TOTAL          102.6   1945
 SNOW DEPTH        45   12/31/1945
TOTALS           54.4              40.5    13.9
SINCE 7/1         8.2               9.4    -1.2
SNOWDEPTH AVG.      0
DAYS >= 1.0        11              10.1     0.9
GREATEST
 SNOW DEPTH        12   01/05
 24 HR TOTAL     10.2   01/04 TO 01/04

DEGREE_DAYS
HEATING TOTAL    5903              5999     -96
 SINCE 7/1         MM              2244      MM
COOLING TOTAL    1092               756     336
 SINCE 1/1       1092               756     336
.................................................

WIND (MPH)
AVERAGE WIND SPEED              7.8
RESULTANT WIND SPEED/DIRECTION   2/292
HIGHEST WIND SPEED/DIRECTION    44/320    DATE  05/15
HIGHEST GUST SPEED/DIRECTION    55/320    DATE  05/15

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR           50
NUMBER OF DAYS PC            182
NUMBER OF DAYS CLOUDY        131

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             25     MIXED PRECIP               0
HEAVY RAIN               44     RAIN                      76
LIGHT RAIN              165     FREEZING RAIN              1
LT FREEZING RAIN          8     HAIL                       0
HEAVY SNOW                3     SNOW                      16
LIGHT SNOW               43     SLEET                      8
FOG                     184     FOG W/VIS <= 1/4 MILE     28
HAZE                     15

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

$$

                            HARTFORD

            ...PERIOD OF RECORD: 1905 TO PRESENT...

       AVG HIGH  AVG LOW  AVG MEAN  PCPN  SNOW  REMARKS
       --------  -------  --------  ----  ----  -------
JAN:      34.6     15.8     25.2    3.86  13.7
          +0.1     -1.9     -0.9   +0.63  +1.4

FEB:      44.8     26.2     35.5    5.13   8.3  5TH WARMEST
          +6.3     +5.3     +5.8   +2.24  -2.7

MAR:      45.7     28.8     37.3    2.65  16.6
          -2.0     +0.9     -0.5   -0.97 +10.2

APR:      54.3     33.6     44.0    5.55   7.6  6TH COLDEST
          -6.2     -4.8     -5.4   +1.83  +6.2  4TH SNOWIEST

MAY:      76.5     52.3     64.4    2.48   0.0  4TH WARMEST
          +5.3     +4.6     +4.9   -1.87

JUN:      79.7     56.3     68.0    4.03   0.0
          +0.1     -1.0     -0.5   -0.32

JUL:      87.5     64.7     76.1    2.21   0.0  8TH WARMEST
          +3.0     +2.0     +2.5   -1.97

AUG:      85.6     66.2     75.9    9.10   0.0  2ND WARMEST
          +2.9     +5.1     +4.0   +5.17

SEP:      75.6     58.6     67.1    6.33   0.0  9TH WARMEST
          +0.7     +5.9     +3.3   +2.55

OCT:      61.8     43.3     52.6    4.02   0.0
          -1.3     +2.2     +0.5   -0.35

NOV:      45.9     31.1     38.5    8.25   8.0  2ND WETTEST
          -5.7     -2.1     -3.9   +4.36  +6.0  8TH SNOWIEST

DEC:      41.6     24.7     33.2    4.96   0.2  3RD LEAST SNOWIEST
          +1.9     +1.3     +1.6   +1.52  -7.2

SEASONAL SUMMARY
------------------
WINTER:   37.8     20.5     29.2   11.40  31.8
          +0.3     -0.2     +0.1   +1.84  +1.1

SPRING:   58.9     38.3     48.6   10.68  24.2   5TH SNOWIEST
          -0.9     +0.3     -0.3   -1.01 +16.4

SUMMER:   84.3     62.5     73.4   15.34   0.0   4TH WARMEST
          +2.0     +2.1     +2.0   +2.88

AUTUMN:   61.1     44.3     52.7   18.60   8.0   8TH WETTEST
          -2.1     +2.0     -0.1   +6.46  +6.0  10TH SNOWIEST

ANNUAL SUMMARY
--------------
ANNUAL:   61.2     41.9     51.6   62.75  54.4   5TH WETTEST
          +0.5     +1.5     +1.0  +16.90 +13.9

DAILY RECORDS
-------------
01/04...RECORD MAXIMUM DAILY SNOWFALL.........10.2...PREV 8.1 IN 1923
01/07...RECORD LOW TEMPERATURE..................-9...PREV 1 IN 1912
01/12...RECORD HIGH TEMPERATURE.................60...PREV 57 IN 1913
01/12...TIED RECORD MAXIMUM LOW TEMPERATURE.....39...ALSO SET IN 2017
01/12...RECORD DAILY PRECIPITATION............1.64...PREV 1.38 IN 2011
01/13...TIED RECORD HIGH TEMPERATURE............59...ALSO SET IN 1932

02/21...RECORD HIGH TEMPERATURE.................77...PREV 63 IN 1930

04/09...TIED RECORD LOW TEMPERATURE.............23...ALSO SET IN 1977
04/10...TIED RECORD DAILY SNOWFALL.............0.3...ALSO SET IN 1979, 1942
04/11...TIED RECORD LOW TEMPERATURE.............23...ALSO SET IN 1909
04/15...RECORD MINIMUM HIGH TEMPERATURE.........40...PREV 41 IN 1943
04/15...RECORD DAILY SNOWFALL..................0.5...PREV T IN 2014, 2007, 1988,
                                                     1978, 1932, 1923, 1914

05/03...RECORD HIGH TEMPERATURE.................94...PREV 93 IN 2001
05/03...RECORD MAXIMUM LOW TEMPERATURE..........62...PREV 61 IN 2010, 1913
05/04...RECORD MAXIMUM LOW TEMPERATURE..........68...PREV 58 IN 1942

06/04...TIED RECORD MINIMUM HIGH TEMPERATURE....59...ALSO SET IN 1945
06/26...TIED RECORD LOW TEMPERATURE.............47...ALSO SET IN 1986, 1979

07/02...TIED RECORD MAXIMUM LOW TEMPERATURE.....73...ALSO SET IN 2013, 1941
07/04...RECORD MAXIMUM LOW TEMPERATURE..........74...PREV 73 IN 1921
07/17...RECORD DAILY PRECIPITATION............2.14...PREV 1.36 IN 1988
07/22...RECORD DAILY PRECIPITATION............1.70...PREV 1.56 IN 1946

08/29...RECORD MAXIMUM LOW TEMPERATURE..........74...PREV 73 IN 1952

09/06...TIED HIGH TEMPERATURE...................96...ALSO SET IN 1983

10/10...RECORD MAXIMUM LOW TEMPERATURE..........66...PREV 65 IN 1913
10/11...RECORD MAXIMUM LOW TEMPERATURE..........66...PREV 63 IN 1914

11/15...RECORD SNOWFALL........................7.6...PREV 5.2 IN 1906
11/15...TIED MINIMUM HIGH TEMPERATURE...........30...ALSO SET IN 1933
11/22...RECORD LOW TEMPERATURE...................9...PREV 14 IN 1969
11/22...RECORD MINIMUM HIGH TEMPERATURE.........21...PREV 27 IN 1978
11/23...RECORD LOW TEMPERATURE...................5...PREV 12 IN 1972

12/21...RECORD HIGH TEMPERATURE.................63...PREV 60 IN 1957

MONTHLY RECORDS
---------------
FEB...RECORD WARMEST HIGH TEMPERATURE...........77...PREV 73 ON 02/24/1985

JUL...RECORD NUMBER OF DAYS HIGH TEMP >= 80.....31...PREV 30 LAST SET 2006
      FIRST TIME SINCE RECORDS BEGAN FOR ALL OF JULY HIGHS WERE >= 80

AUG...TIED RECORD AVG MIN TEMP................66.2...ALSO SET IN 1939

SEP...TIED RECORD NO. OF DAYS LOW TEMP >= 60....16...LAST SET IN 1915

NOV...COLDEST MINIMUM HIGH TEMP.................21...PREV 23 ON 11/30/1958
      SINCE RECORDS BEGAN
NOV...RECORD NO. OF DAYS DAILY PRECIP >= 0.10...14...PREV 12 IN 1969, 1921
NOV...RECORD NO. OF DAYS DAILY PRECIP >= 0.50....7...PREV 6 LAST SET 1986

SEASONAL RECORDS
----------------
WINTER...RECORD WARMEST HIGH TEMPERATURE................77...PREV 76 ON 12/07/1998

AUTUMN...RECORD NO. OF DAYS DAILY PRECIP >= 0.10........29...PREV 26 IN 1977
AUTUMN...TIED RECORD NO. OF DAYS DAILY PRECIP >= 0.50...14...ALSO SET IN 2011
AUTUMN...RECORD NO. OF DAYS LOW TEMP >= 60..............19...PREV 18 IN 2017

ALL-TIME RECORDS (SINCE RECORDS BEGAN)
----------------
ANNUAL...RECORD NO. OF DAYS DAILY PRECIP >= 1.00........22...PREV 21 IN 1972
ANNUAL...RECORD NO. COOLING DEGREE DAYS...............1092...PREV 1080 IN 2010
ANNUAL...RECORD CONSECUTIVE DAYS HIGHS >= 80............44 (6/28 - 8/10/2018)
                                                   PREV 36 (07/23 - 08/27/1999)

SIPPRELL / CORREIA


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