Climatological Report (Daily)
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945
CDUS46 KSEW 080121
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
521 PM PST WED DEC 7 2016


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 7 2016...
VALID TODAY AS OF 0500 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         38    315 PM  58    2014  46     -8       52
  MINIMUM         28    812 AM  18    1972  36     -8       47
  AVERAGE         33                        41     -8       50

PRECIPITATION (IN)
  TODAY            0.00          1.08 2015   0.19  -0.19     1.08
  MONTH TO DATE    0.87                      1.35  -0.48     3.30
  SINCE OCT 1     17.40                     11.40   6.00    16.48
  SINCE JAN 1     42.18                     33.49   8.69    36.92

SNOWFALL (IN)
  TODAY            0.0           2.0  1966                   0.0
  MONTH TO DATE    T                                         0.0
  SINCE OCT 1      T                                         0.0
  SINCE JUL 1      T                                         0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           32                        24      8       15
  MONTH TO DATE  174                       164     10      117
  SINCE DEC 1    174                       164     10      117
  SINCE JUL 1   1025                      1347   -322     1128

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    291                       189    102      474
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION  NE (30)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     E (90)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     E (90)
  AVERAGE WIND SPEED     9.6


SKY COVER
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           100 AM
 LOWEST     47           400 PM
 AVERAGE    70

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   46        60      2015
 MINIMUM TEMPERATURE (F)   36        13      1972


SUNRISE AND SUNSET
DECEMBER  7 2016......SUNRISE   743 AM PST   SUNSET   418 PM PST
DECEMBER  8 2016......SUNRISE   744 AM PST   SUNSET   418 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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