Climatological Report (Daily)
Issued by NWS Boston, MA

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CLIBOS


CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
209 AM EDT WED SEP 19 2018


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

...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 18 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         77    950 AM  90    1955  72      5       68
                                      1906
                                      1891
  MINIMUM         69   1159 PM  43    1875  57     12       63
  AVERAGE         73                        64      9       66

PRECIPITATION (IN)
  YESTERDAY        1.15          2.87 2004   0.12   1.03      T
  MONTH TO DATE    3.17                      1.95   1.22     1.68
  SINCE SEP 1      3.17                      1.95   1.22     1.68
  SINCE JAN 1     35.61                     30.57   5.04    32.97

SNOWFALL (IN)
  YESTERDAY        0.0           0.0  2002   0.0    0.0      0.0
                                      2001
                                      2000
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE SEP 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1      0.0                       0.0    0.0      0.0
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  YESTERDAY        0                         3     -3        0
  MONTH TO DATE    4                        29    -25       17
  SINCE SEP 1      4                        29    -25       17
  SINCE JUL 1      4                        42    -38       29

 COOLING
  YESTERDAY        8                         2      6        1
  MONTH TO DATE  137                        64     73       70
  SINCE SEP 1    137                        64     73       70
  SINCE JAN 1   1094                       723    371      799
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION   S (200)
  HIGHEST WIND SPEED    32   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    48   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     5.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           200 AM
 LOWEST     84           600 PM
 AVERAGE    89

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


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   71        92      1983
 MINIMUM TEMPERATURE (F)   56        42      1929


SUNRISE AND SUNSET
SEPTEMBER 19 2018.....SUNRISE   628 AM EDT   SUNSET   647 PM EDT
SEPTEMBER 20 2018.....SUNRISE   629 AM EDT   SUNSET   645 PM EDT


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




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