Climatological Report (Daily)
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000
CDUS46 KSEW 290123
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
523 PM PST SUN DEC 28 2014


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 28 2014...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         44    159 PM  56    1980  45     -1       49
  MINIMUM         39    906 AM  12    1990  36      3       38
  AVERAGE         42                        40      2       44

PRECIPITATION (IN)
  TODAY            0.11          0.89 1965   0.16  -0.05     0.00
  MONTH TO DATE    4.74                      4.87  -0.13     1.63
  SINCE OCT 1     16.33                     14.92   1.41     6.96
  SINCE JAN 1     48.45                     37.01  11.44    32.53

SNOWFALL (IN)
  TODAY            0.0           2.8  1971                   0.0
  MONTH TO DATE    0.0                                       1.1
  SINCE OCT 1      0.8                                       1.1
  SINCE JUL 1      0.8                                       1.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           23                        25     -2       21
  MONTH TO DATE  511                       685   -174      711
  SINCE DEC 1    511                       685   -174      711
  SINCE JUL 1   1351                      1868   -517     1733

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    369                       189    180      385
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION  SE (150)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    NE (50)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    NE (30)
  AVERAGE WIND SPEED     3.9


SKY COVER
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           600 AM
 LOWEST     82          1200 PM
 AVERAGE    87

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   45        54      1976
                                             1975
                                             1949
 MINIMUM TEMPERATURE (F)   36         8      1968


SUNRISE AND SUNSET
DECEMBER 28 2014......SUNRISE   756 AM PST   SUNSET   425 PM PST
DECEMBER 29 2014......SUNRISE   757 AM PST   SUNSET   426 PM PST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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