Climatological Report (Daily)
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CDUS46 KSEW 070829
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
1229 AM PST WED DEC 7 2016


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 6 2016...

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)
 YESTERDAY
  MAXIMUM         40    230 PM  57    1965  46     -6       55
  MINIMUM         31    746 AM  19    1956  36     -5       45
  AVERAGE         36                        41     -5       50

PRECIPITATION (IN)
  YESTERDAY        0.00          1.39 1970   0.18  -0.18     0.44
  MONTH TO DATE    0.87                      1.16  -0.29     2.22
  SINCE OCT 1     17.40                     11.21   6.19    15.40
  SINCE JAN 1     42.18                     33.30   8.88    35.84

SNOWFALL (IN)
  YESTERDAY        0.0           0.3  1980                   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
  YESTERDAY       29                        24      5       15
  MONTH TO DATE  142                       140      2      102
  SINCE DEC 1    142                       140      2      102
  SINCE JUL 1    993                      1323   -330     1113

 COOLING
  YESTERDAY        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   7   RESULTANT WIND DIRECTION   N (20)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     N (350)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     N (350)
  AVERAGE WIND SPEED     7.5


SKY COVER
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     59           400 PM
 AVERAGE    80

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   46        58      2014
 MINIMUM TEMPERATURE (F)   36        18      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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