Climatological Report (Daily)
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CDUS46 KSEW 040830
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
1230 AM PST SUN DEC 4 2016


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 3 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         48    226 PM  60    2015  47      1       60
                                      1965
  MINIMUM         44    802 AM  27    1994  36      8       46
  AVERAGE         46                        42      4       53

PRECIPITATION (IN)
  YESTERDAY        0.18          3.77 2007   0.20  -0.02     0.50
  MONTH TO DATE    0.46                      0.60  -0.14     1.08
  SINCE OCT 1     16.99                     10.65   6.34    14.26
  SINCE JAN 1     41.77                     32.74   9.03    34.70

SNOWFALL (IN)
  YESTERDAY        0.0           1.1  1994                   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       19                        23     -4       12
  MONTH TO DATE   59                        69    -10       51
  SINCE DEC 1     59                        69    -10       51
  SINCE JUL 1    910                      1252   -342     1062

 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  13   RESULTANT WIND DIRECTION   S (200)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED    13.8


SKY COVER
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           800 PM
 LOWEST     77           200 PM
 AVERAGE    89

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   47        60      1945
 MINIMUM TEMPERATURE (F)   36        21      1994


SUNRISE AND SUNSET
DECEMBER  4 2016......SUNRISE   740 AM PST   SUNSET   419 PM PST
DECEMBER  5 2016......SUNRISE   741 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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