Climatological Report (Daily)
Issued by NWS Boston, MA

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CDUS41 KBOX 140558
CLIBOS


CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
146 AM EDT MON MAY 14 2018


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

...THE BOSTON MA CLIMATE SUMMARY FOR MAY 13 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         54    229 PM  87    1947  65    -11       53
  MINIMUM         48    718 AM  38    1882  49     -1       45
                                      1878
  AVERAGE         51                        57     -6       49

PRECIPITATION (IN)
  YESTERDAY        0.00          3.84 2006   0.10  -0.10     0.02
  MONTH TO DATE    0.49                      1.36  -0.87     0.96
  SINCE MAR 1     10.18                      9.42   0.76    10.87
  SINCE JAN 1     18.87                     16.03   2.84    18.34

SNOWFALL (IN)
  YESTERDAY        0.0           0.0  2002   0.0    0.0      0.0
                                      2001
                                      2000
  MONTH TO DATE    0.0                       0.1   -0.1      0.0
  SINCE MAR 1     24.6                       9.8   14.8     11.3
  SINCE JUL 1     59.9                      43.9   16.0     47.6
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  YESTERDAY       14                         8      6       16
  MONTH TO DATE   85                       133    -48      174
  SINCE MAR 1   1521                      1472     49     1535
  SINCE JUL 1   5273                      5514   -241     5074

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE   27                         0     27        0
  SINCE MAR 1     27                         3     24       19
  SINCE JAN 1     27                         3     24       19
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   E (90)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     E (100)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     E (100)
  AVERAGE WIND SPEED     8.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     77           300 PM
 AVERAGE    89

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


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   65        86      1879
 MINIMUM TEMPERATURE (F)   49        37      1895


SUNRISE AND SUNSET
MAY 14 2018...........SUNRISE   524 AM EDT   SUNSET   758 PM EDT
MAY 15 2018...........SUNRISE   523 AM EDT   SUNSET   759 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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