Climatological Report (Daily)
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000
CDUS46 KSEW 230828
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
128 AM PDT THU MAR 23 2017


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MARCH 22 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         56    946 AM  68    1979  55      1       55
  MINIMUM         43   1135 PM  28    1952  40      3       44
  AVERAGE         50                        47      3       50

PRECIPITATION (IN)
  YESTERDAY        0.02          1.81 1993   0.13  -0.11      T
  MONTH TO DATE    5.61                      2.71   2.90     4.98
  SINCE OCT 1     39.08                     27.18  11.90    42.79
  SINCE JAN 1     18.68                     11.78   6.90    18.40

SNOWFALL (IN)
  YESTERDAY        0.0           T    1994                   0.0
                                      1996
  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                        18     -3       15
  MONTH TO DATE  432                       419     13      349
  SINCE MAR 1    432                       419     13      349
  SINCE JUL 1   3605                      3673    -68     3193

 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 (200)
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED    13.5


SKY COVER
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           100 AM
 LOWEST     59          1000 AM
 AVERAGE    76

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   55        68      1979
 MINIMUM TEMPERATURE (F)   40        28      1954


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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