Climatological Report (Daily)
Issued by NWS Boston, MA

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370
CDUS41 KBOX 192138
CLIBOS


CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
527 PM EDT THU APR 19 2018


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

...THE BOSTON MA CLIMATE SUMMARY FOR APRIL 19 2018...
VALID TODAY AS OF 0500 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         43    359 PM  87    1914  57    -14       56
  MINIMUM         36    854 AM  22    1875  42     -6       39
  AVERAGE         40                        49     -9       48

PRECIPITATION (IN)
  TODAY            0.23          1.65 1877   0.11   0.12     0.07
  MONTH TO DATE    2.90                      2.50   0.40     3.69
  SINCE MAR 1      7.97                      6.82   1.15     7.87
  SINCE JAN 1     16.66                     13.43   3.23    15.34

SNOWFALL (IN)
  TODAY            T             0.1  1961   0.0    0.0      0.0
  MONTH TO DATE    1.3                       1.7   -0.4      1.2
  SINCE MAR 1     24.6                       9.5   15.1     11.3
  SINCE JUL 1     59.9                      43.6   16.3     47.6
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  TODAY           25                        16      9       17
  MONTH TO DATE  438                       358     80      278
  SINCE MAR 1   1291                      1187    104     1229
  SINCE JUL 1   5043                      5229   -186     4768

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0       10
  SINCE MAR 1      0                         0      0       10
  SINCE JAN 1      0                         0      0       10
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED     6.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  RAIN
  LIGHT RAIN
  SLEET
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85          1100 AM
 LOWEST     57          1200 AM
 AVERAGE    71

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


THE BOSTON MA CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   57        89      1976
                                             1941
                                             1927
 MINIMUM TEMPERATURE (F)   42        21      1897


SUNRISE AND SUNSET
APRIL 19 2018.........SUNRISE   557 AM EDT   SUNSET   730 PM EDT
APRIL 20 2018.........SUNRISE   555 AM EDT   SUNSET   731 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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