Climatological Report (Daily)
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CDUS46 KSEW 020828
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
1227 AM PST FRI DEC 2 2016


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 1 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         46    340 PM  57    1958  47     -1       50
  MINIMUM         40    800 AM  20    1985  37      3       39
  AVERAGE         43                        42      1       45

PRECIPITATION (IN)
  YESTERDAY        0.01          1.52 1979   0.20  -0.19     0.48
  MONTH TO DATE    0.01                      0.20  -0.19     0.48
  SINCE OCT 1     16.54                     10.25   6.29    13.66
  SINCE JAN 1     41.32                     32.34   8.98    34.10

SNOWFALL (IN)
  YESTERDAY        0.0           1.1  2007                   0.0
  MONTH TO DATE    0.0                                       0.0
  SINCE OCT 1      0.0                                       0.0
  SINCE JUL 1      0.0                                       0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       22                        23     -1       20
  MONTH TO DATE   22                        23     -1       20
  SINCE DEC 1     22                        23     -1       20
  SINCE JUL 1    873                      1206   -333     1031

 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    13   HIGHEST WIND DIRECTION    SE (130)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    SE (130)
  AVERAGE WIND SPEED     7.0


SKY COVER
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92          1100 PM
 LOWEST     76          1100 AM
 AVERAGE    84

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   47        57      1958
 MINIMUM TEMPERATURE (F)   37        25      1985


SUNRISE AND SUNSET
DECEMBER  2 2016......SUNRISE   738 AM PST   SUNSET   420 PM PST
DECEMBER  3 2016......SUNRISE   739 AM PST   SUNSET   419 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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