Climatological Report (Daily)
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000
CDUS46 KSEW 280121
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
521 PM PST MON FEB 27 2017


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR FEBRUARY 27 2017...
VALID TODAY AS OF 0500 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         41    346 PM  70    1968  51    -10       56
  MINIMUM         33    455 PM  20    1962  37     -4       47
  AVERAGE         37                        44     -7       52

PRECIPITATION (IN)
  TODAY            0.11          2.23 1972   0.13  -0.02     0.13
  MONTH TO DATE    8.79                      3.38   5.41     5.06
  SINCE OCT 1     33.41                     24.35   9.06    36.90
  SINCE JAN 1     13.01                      8.95   4.06    12.51

SNOWFALL (IN)
  TODAY            0.1           1.5  1971                   0.0
  MONTH TO DATE    7.2                                       0.0
  SINCE OCT 1     11.2                                        T
  SINCE JUL 1     11.2                                        T
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           28                        21      7       13
  MONTH TO DATE  631                       585     46      465
  SINCE DEC 1   2297                      2051    246     1796
  SINCE JUL 1   3148                      3234    -86     2807

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 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    22   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED    10.7


SKY COVER
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN
  SNOW
  LIGHT SNOW
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           100 AM
 LOWEST     79           200 PM
 AVERAGE    90

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   51        68      1968
 MINIMUM TEMPERATURE (F)   38        24      1971
                                             1951


SUNRISE AND SUNSET
FEBRUARY 27 2017......SUNRISE   653 AM PST   SUNSET   552 PM PST
FEBRUARY 28 2017......SUNRISE   651 AM PST   SUNSET   553 PM PST


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




$$




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