Climatological Report (Daily)
Issued by NWS Boston, MA

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CDUS41 KBOX 210604
CLIBOS


CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
153 AM EDT MON OCT 21 2019


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

...THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 20 2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1872 TO 2019


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         60   1046 AM  79    1969  60      0       66
  MINIMUM         44    429 AM  32    1974  45     -1       49
                                      1972
                                      1900
  AVERAGE         52                        53     -1       58

PRECIPITATION (IN)
  YESTERDAY        T             6.11 1996   0.13  -0.13      T
  MONTH TO DATE    2.18                      2.55  -0.37     1.58
  SINCE SEP 1      4.34                      5.99  -1.65     6.70
  SINCE JAN 1     38.67                     34.61   4.06    39.14

SNOWFALL (IN)
  YESTERDAY        0.0           0.0  2009   0.0    0.0      0.0
                                      2008
                                      2007
  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       0

DEGREE DAYS
 HEATING
  YESTERDAY       13                        13      0        7
  MONTH TO DATE  154                       193    -39      139
  SINCE SEP 1    182                       277    -95      168
  SINCE JUL 1    182                       290   -108      168

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    8                         6      2       22
  SINCE SEP 1    134                        87     47      175
  SINCE JAN 1   1012                       746    266     1132
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION  NE (50)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     E (110)
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    SE (130)
  AVERAGE WIND SPEED     4.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    77           700 PM
 LOWEST     56          1200 AM
 AVERAGE    67

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


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   60        82      1920
 MINIMUM TEMPERATURE (F)   45        30      1974


SUNRISE AND SUNSET
OCTOBER 21 2019.......SUNRISE   704 AM EDT   SUNSET   553 PM EDT
OCTOBER 22 2019.......SUNRISE   705 AM EDT   SUNSET   552 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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