Climatological Report (Daily)
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CDUS46 KSEW 250120
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
519 PM PST WED DEC 24 2014


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 24 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         45    343 PM  62    2005  45      0       47
  MINIMUM         39    842 AM  16    1948  35      4       37
  AVERAGE         42                        40      2       42

PRECIPITATION (IN)
  TODAY            0.21          0.75 1980   0.17   0.04     0.00
  MONTH TO DATE    4.50                      4.20   0.30     1.62
  SINCE OCT 1     16.09                     14.25   1.84     6.95
  SINCE JAN 1     48.21                     36.34  11.87    32.52

SNOWFALL (IN)
  TODAY            0.0           2.6  2008                   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       23
  MONTH TO DATE  419                       585   -166      614
  SINCE DEC 1    419                       585   -166      614
  SINCE JUL 1   1259                      1768   -509     1636

 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   4   RESULTANT WIND DIRECTION   S (170)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     4.8


SKY COVER
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           100 AM
 LOWEST     70           400 PM
 AVERAGE    81

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   45        60      1980
 MINIMUM TEMPERATURE (F)   35        24      1995


SUNRISE AND SUNSET
DECEMBER 24 2014......SUNRISE   755 AM PST   SUNSET   423 PM PST
DECEMBER 25 2014......SUNRISE   756 AM PST   SUNSET   423 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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