Climatological Report (Daily)
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264
CDUS46 KSEW 240118
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
618 PM PDT THU MAR 23 2017


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MARCH 23 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         58    334 PM  68    1979  55      3       51
  MINIMUM         39    612 AM  28    1954  40     -1       45
  AVERAGE         49                        47      2       48

PRECIPITATION (IN)
  TODAY            T             0.94 1971   0.12  -0.12     0.23
  MONTH TO DATE    5.61                      2.83   2.78     5.21
  SINCE OCT 1     39.08                     27.30  11.78    43.02
  SINCE JAN 1     18.68                     11.90   6.78    18.63

SNOWFALL (IN)
  TODAY            0.0           T    1985                   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           16                        18     -2       17
  MONTH TO DATE  448                       437     11      366
  SINCE MAR 1    448                       437     11      366
  SINCE JUL 1   3621                      3691    -70     3210

 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   7   RESULTANT WIND DIRECTION   S (180)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    SE (140)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     8.9


SKY COVER
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           400 AM
 LOWEST     43           300 PM
 AVERAGE    68

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   55        68      2010
 MINIMUM TEMPERATURE (F)   40        30      1975
                                             1965


SUNRISE AND SUNSET
MARCH 23 2017.........SUNRISE   705 AM PDT   SUNSET   727 PM PDT
MARCH 24 2017.........SUNRISE   703 AM PDT   SUNSET   728 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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