Climatological Report (Daily)
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000
CDUS46 KSEW 300843
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
143 AM PDT THU MAR 30 2017


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MARCH 29 2017...

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)
 YESTERDAY
  MAXIMUM         55   1225 PM  78    2004  56     -1       63
  MINIMUM         45   1159 PM  24    1954  41      4       40
  AVERAGE         50                        48      2       52

PRECIPITATION (IN)
  YESTERDAY        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)
  YESTERDAY        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
  YESTERDAY       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
  YESTERDAY        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  10   RESULTANT WIND DIRECTION   S (190)
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    39   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED    13.6


SKY COVER
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           800 AM
 LOWEST     74           600 PM
 AVERAGE    87

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


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


SUNRISE AND SUNSET
MARCH 30 2017.........SUNRISE   651 AM PDT   SUNSET   737 PM PDT
MARCH 31 2017.........SUNRISE   649 AM PDT   SUNSET   738 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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