Climatological Report (Daily)
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000
CDUS46 KSEW 280119
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
619 PM PDT TUE SEP 27 2016


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 27 2016...
VALID TODAY AS OF 0600 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         69    310 PM  89    1967  67      2       64
  MINIMUM         59    631 AM  35    1972  50      9       45
  AVERAGE         64                        58      6       55

PRECIPITATION (IN)
  TODAY            0.02          1.04 1981   0.06  -0.04     0.00
  MONTH TO DATE    1.05                      1.30  -0.25     0.83
  SINCE OCT 1     49.17                     37.29  11.88    36.82
  SINCE JAN 1     24.78                     21.89   2.89    20.44

DEGREE DAYS
 HEATING
  TODAY            1                         7     -6       10
  MONTH TO DATE   85                       109    -24      125
  SINCE SEP 1     85                       109    -24      125
  SINCE JUL 1    106                       194    -88      137

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    3                        19    -16       14
  SINCE SEP 1      3                        19    -16       14
  SINCE JAN 1    291                       187    104      474
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION   N (10)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     N (340)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    NE (50)
  AVERAGE WIND SPEED    10.9


SKY COVER
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84           700 AM
 LOWEST     37           500 PM
 AVERAGE    61

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   67        84      2003
 MINIMUM TEMPERATURE (F)   50        38      1950


SUNRISE AND SUNSET
SEPTEMBER 27 2016.....SUNRISE   704 AM PDT   SUNSET   655 PM PDT
SEPTEMBER 28 2016.....SUNRISE   705 AM PDT   SUNSET   653 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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