Climatological Report (Daily)
Issued by NWS Boston, MA

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CDUS41 KBOX 210526
CLIBOS


CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
126 AM EDT SAT APR 21 2018


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

...THE BOSTON MA CLIMATE SUMMARY FOR APRIL 20 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         53    349 PM  89    1976  57     -4       55
                                      1941
                                      1927
  MINIMUM         36    537 AM  21    1897  42     -6       44
  AVERAGE         45                        50     -5       50

PRECIPITATION (IN)
  YESTERDAY        0.00          0.87 1874   0.11  -0.11     0.01
  MONTH TO DATE    2.90                      2.61   0.29     3.70
  SINCE MAR 1      7.97                      6.93   1.04     7.88
  SINCE JAN 1     16.66                     13.54   3.12    15.35

SNOWFALL (IN)
  YESTERDAY        0.0           1.0  1904   0.1   -0.1      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
  YESTERDAY       20                        15      5       15
  MONTH TO DATE  458                       373     85      293
  SINCE MAR 1   1311                      1202    109     1244
  SINCE JUL 1   5063                      5244   -181     4783

 COOLING
  YESTERDAY        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)
  RESULTANT WIND SPEED  16   RESULTANT WIND DIRECTION  NW (310)
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    34   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED    16.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    75           500 AM
 LOWEST     38           200 PM
 AVERAGE    57

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


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   58        88      1957
 MINIMUM TEMPERATURE (F)   42        21      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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