Climatological Report (Daily)
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000
CDUS46 KSEW 270830
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
1230 AM PST SAT DEC 27 2014


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 26 2014...

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)
 YESTERDAY
  MAXIMUM         42   1009 PM  62    1980  45     -3       44
  MINIMUM         35   1034 AM  22    1948  36     -1       33
  AVERAGE         39                        40     -1       39

PRECIPITATION (IN)
  YESTERDAY        0.00          2.14 1974   0.17  -0.17     0.00
  MONTH TO DATE    4.50                      4.54  -0.04     1.62
  SINCE OCT 1     16.09                     14.59   1.50     6.95
  SINCE JAN 1     48.21                     36.68  11.53    32.52

SNOWFALL (IN)
  YESTERDAY        0.0           8.8  1974                   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
  YESTERDAY       26                        25      1       26
  MONTH TO DATE  468                       635   -167      665
  SINCE DEC 1    468                       635   -167      665
  SINCE JUL 1   1308                      1818   -510     1687

 COOLING
  YESTERDAY        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   2   RESULTANT WIND DIRECTION  SE (130)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     S (160)
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION     S (160)
  AVERAGE WIND SPEED     2.7


SKY COVER
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           800 AM
 LOWEST     79          1000 PM
 AVERAGE    90

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   45        58      1994
 MINIMUM TEMPERATURE (F)   36        20      1968


SUNRISE AND SUNSET
DECEMBER 27 2014......SUNRISE   756 AM PST   SUNSET   425 PM PST
DECEMBER 28 2014......SUNRISE   756 AM PST   SUNSET   425 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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