Climatological Report (Daily)
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CDUS46 KSEW 281114 CCA
CLISEA

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
134 AM PDT TUE MAR 28 2017


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MARCH 27 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         53   1213 PM  71    1994  55     -2       55
  MINIMUM         44   1147 PM  26    1975  41      3       40
  AVERAGE         49                        48      1       48

PRECIPITATION (IN)
  YESTERDAY        0.16          0.64 2005   0.11   0.05     0.18
                                      1968
  MONTH TO DATE    6.66                      3.28   3.38     5.52
  SINCE OCT 1     40.13                     27.75  12.38    43.33
  SINCE JAN 1     19.73                     12.35   7.38    18.94

SNOWFALL (IN)
  YESTERDAY        0             T    2008                   0.0
                                      1988
  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       16                        17     -1       17
  MONTH TO DATE  516                       505     11      430
  SINCE MAR 1    516                       505     11      430
  SINCE JUL 1   3689                      3759    -70     3274

 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  11   RESULTANT WIND DIRECTION   S (200)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED    12.0


SKY COVER
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           100 AM
 LOWEST     66          1200 PM
 AVERAGE    79

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   56        73      1994
 MINIMUM TEMPERATURE (F)   41        26      1954


SUNRISE AND SUNSET
MARCH 28 2017.........SUNRISE   655 AM PDT   SUNSET   734 PM PDT
MARCH 29 2017.........SUNRISE   653 AM PDT   SUNSET   735 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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