Climatological Report (Daily)
Issued by NWS Boston, MA

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CDUS41 KBOX 212129
CLIBOS


CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
519 PM EDT SAT APR 21 2018


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

...THE BOSTON MA CLIMATE SUMMARY FOR APRIL 21 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         59    359 PM  88    1957  58      1       45
  MINIMUM         39    544 AM  21    1875  42     -3       44
  AVERAGE         49                        50     -1       45

PRECIPITATION (IN)
  TODAY            0.00          3.32 1991   0.11  -0.11     0.51
  MONTH TO DATE    2.90                      2.72   0.18     4.21
  SINCE MAR 1      7.97                      7.04   0.93     8.39
  SINCE JAN 1     16.66                     13.65   3.01    15.86

SNOWFALL (IN)
  TODAY            0.0           0.2  1947   0.0    0.0      0.0
  MONTH TO DATE    1.3                       1.8   -0.5      1.2
  SINCE MAR 1     24.6                       9.6   15.0     11.3
  SINCE JUL 1     59.9                      43.7   16.2     47.6
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  TODAY           16                        15      1       20
  MONTH TO DATE  474                       388     86      313
  SINCE MAR 1   1327                      1217    110     1264
  SINCE JUL 1   5079                      5259   -180     4803

 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    20   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED    12.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    59          1200 AM
 LOWEST     21           300 PM
 AVERAGE    40

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


THE BOSTON MA CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   58        88      1977
 MINIMUM TEMPERATURE (F)   43        26      1875


SUNRISE AND SUNSET
APRIL 21 2018.........SUNRISE   554 AM EDT   SUNSET   733 PM EDT
APRIL 22 2018.........SUNRISE   552 AM EDT   SUNSET   734 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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