Climatological Report (Daily)
Issued by NWS Boston, MA

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537
CDUS41 KBOX 180527
CLIBOS


CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
127 AM EDT WED APR 18 2018


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

...THE BOSTON MA CLIMATE SUMMARY FOR APRIL 17 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         50    153 PM  93    2002  56     -6       75
  MINIMUM         40   1159 PM  26    1930  41     -1       49
                                      1908
  AVERAGE         45                        49     -4       62

PRECIPITATION (IN)
  YESTERDAY        0.00          2.47 1954   0.12  -0.12     0.00
  MONTH TO DATE    2.67                      2.28   0.39     3.62
  SINCE MAR 1      7.74                      6.60   1.14     7.80
  SINCE JAN 1     16.43                     13.21   3.22    15.27

SNOWFALL (IN)
  YESTERDAY        0.0           0.6  1935   0.0    0.0      0.0
  MONTH TO DATE    1.3                       1.6   -0.3      1.2
  SINCE MAR 1     24.6                       9.4   15.2     11.3
  SINCE JUL 1     59.9                      43.5   16.4     47.6
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  YESTERDAY       20                        16      4        3
  MONTH TO DATE  393                       326     67      241
  SINCE MAR 1   1246                      1155     91     1192
  SINCE JUL 1   4998                      5197   -199     4731

 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  14   RESULTANT WIND DIRECTION   W (250)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED    15.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93          1200 AM
 LOWEST     45           600 PM
 AVERAGE    69

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


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   57        94      1976
 MINIMUM TEMPERATURE (F)   42        26      1887
                                             1875


SUNRISE AND SUNSET
APRIL 18 2018.........SUNRISE   558 AM EDT   SUNSET   729 PM EDT
APRIL 19 2018.........SUNRISE   557 AM EDT   SUNSET   730 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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