Climatological Report (Daily)
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000
CDUS46 KSEW 270831
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
1230 AM PST MON FEB 27 2017


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR FEBRUARY 26 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         41    258 PM  67    1992  51    -10       57
  MINIMUM         35    510 AM  18    1962  37     -2       44
  AVERAGE         38                        44     -6       51

PRECIPITATION (IN)
  YESTERDAY        0.33          1.19 1965   0.12   0.21     0.17
  MONTH TO DATE    8.68                      3.25   5.43     4.93
  SINCE OCT 1     33.30                     24.22   9.08    36.77
  SINCE JAN 1     12.90                      8.82   4.08    12.38

SNOWFALL (IN)
  YESTERDAY        T             2.1  2009                   0.0
  MONTH TO DATE    7.1                                       0.0
  SINCE OCT 1     11.1                                        T
  SINCE JUL 1     11.1                                        T
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       27                        21      6       14
  MONTH TO DATE  603                       564     39      452
  SINCE DEC 1   2269                      2030    239     1783
  SINCE JUL 1   3120                      3213    -93     2794

 COOLING
  YESTERDAY        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   4   RESULTANT WIND DIRECTION   E (100)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     S (160)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     S (160)
  AVERAGE WIND SPEED     7.4


SKY COVER
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           600 AM
 LOWEST     70          1100 PM
 AVERAGE    85

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   51        70      1968
 MINIMUM TEMPERATURE (F)   37        20      1962


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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