Climatological Report (Daily)
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CDUS46 KSEW 060833
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
1233 AM PST TUE DEC 6 2016


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 5 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         39    337 PM  55    2014  47     -8       50
                                      1989
                                      1954
  MINIMUM         33   1139 PM  23    2013  36     -3       43
                                      1956
  AVERAGE         36                        41     -5       47

PRECIPITATION (IN)
  YESTERDAY        0.24          1.67 1970   0.19   0.05     0.62
  MONTH TO DATE    0.87                      0.98  -0.11     1.78
  SINCE OCT 1     17.40                     11.03   6.37    14.96
  SINCE JAN 1     42.18                     33.12   9.06    35.40

SNOWFALL (IN)
  YESTERDAY        T             2.6  1956                   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       18
  MONTH TO DATE  113                       116     -3       87
  SINCE DEC 1    113                       116     -3       87
  SINCE JUL 1    964                      1299   -335     1098

 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   S (170)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     8.1


SKY COVER
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           800 AM
 LOWEST     82          1200 AM
 AVERAGE    91

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   46        57      1965
 MINIMUM TEMPERATURE (F)   36        19      1956


SUNRISE AND SUNSET
DECEMBER  6 2016......SUNRISE   742 AM PST   SUNSET   419 PM PST
DECEMBER  7 2016......SUNRISE   743 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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