Climatological Report (Daily)
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CDUS46 KSEW 050830
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
1229 AM PST MON DEC 5 2016


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 4 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         45    117 AM  60    1945  47     -2       51
  MINIMUM         35   1056 PM  21    1994  36     -1       43
  AVERAGE         40                        42     -2       47

PRECIPITATION (IN)
  YESTERDAY        0.17          1.41 1989   0.19  -0.02     0.08
  MONTH TO DATE    0.63                      0.79  -0.16     1.16
  SINCE OCT 1     17.16                     10.84   6.32    14.34
  SINCE JAN 1     41.94                     32.93   9.01    34.78

SNOWFALL (IN)
  YESTERDAY        0.0           0.4  1956                   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       25                        23      2       18
  MONTH TO DATE   84                        92     -8       69
  SINCE DEC 1     84                        92     -8       69
  SINCE JUL 1    935                      1275   -340     1080

 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   5   RESULTANT WIND DIRECTION   S (170)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     8.8


SKY COVER
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           700 AM
 LOWEST     70           300 PM
 AVERAGE    81

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   47        55      2014
                                             1989
                                             1954
 MINIMUM TEMPERATURE (F)   36        23      2013
                                             1956


SUNRISE AND SUNSET
DECEMBER  5 2016......SUNRISE   741 AM PST   SUNSET   419 PM PST
DECEMBER  6 2016......SUNRISE   742 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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