Climatological Report (Daily)
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000
CDUS46 KSEW 300130
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
630 PM PDT WED MAR 29 2017


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MARCH 29 2017...
VALID TODAY AS OF 0600 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         55   1225 PM  78    2004  56     -1       63
  MINIMUM         45   1231 AM  24    1954  41      4       40
  AVERAGE         50                        48      2       52

PRECIPITATION (IN)
  TODAY            0.51          1.08 2012   0.11   0.40     0.00
  MONTH TO DATE    7.31                      3.50   3.81     5.52
  SINCE OCT 1     40.78                     27.97  12.81    43.33
  SINCE JAN 1     20.38                     12.57   7.81    18.94

SNOWFALL (IN)
  TODAY            0.0           2.0  1982                   0.0
  MONTH TO DATE    T                                         0.0
  SINCE OCT 1     11.2                                        T
  SINCE JUL 1     11.2                                        T
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           15                        17     -2       13
  MONTH TO DATE  547                       539      8      461
  SINCE MAR 1    547                       539      8      461
  SINCE JUL 1   3720                      3793    -73     3305

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE MAR 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION   S (170)
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED     9   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED    11.1


SKY COVER
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           800 AM
 LOWEST     77          1100 AM
 AVERAGE    89

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   56        72      1995
 MINIMUM TEMPERATURE (F)   41        27      1954


SUNRISE AND SUNSET
MARCH 29 2017.........SUNRISE   653 AM PDT   SUNSET   735 PM PDT
MARCH 30 2017.........SUNRISE   651 AM PDT   SUNSET   737 PM PDT


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




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