Climatological Report (Daily)
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601
CDUS46 KSEW 080834
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
1234 AM PST THU DEC 8 2016


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 7 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         38    315 PM  58    2014  46     -8       52
  MINIMUM         28    812 AM  18    1972  36     -8       47
  AVERAGE         33                        41     -8       50

PRECIPITATION (IN)
  YESTERDAY        0.00          1.08 2015   0.19  -0.19     1.08
  MONTH TO DATE    0.87                      1.35  -0.48     3.30
  SINCE OCT 1     17.40                     11.40   6.00    16.48
  SINCE JAN 1     42.18                     33.49   8.69    36.92

SNOWFALL (IN)
  YESTERDAY        0.0           2.0  1966                   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       32                        24      8       15
  MONTH TO DATE  174                       164     10      117
  SINCE DEC 1    174                       164     10      117
  SINCE JUL 1   1025                      1347   -322     1128

 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  10   RESULTANT WIND DIRECTION  NE (50)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     E (70)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION    NE (60)
  AVERAGE WIND SPEED    11.2


SKY COVER
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           100 AM
 LOWEST     41          1100 PM
 AVERAGE    67

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   46        60      2015
 MINIMUM TEMPERATURE (F)   36        13      1972


SUNRISE AND SUNSET
DECEMBER  8 2016......SUNRISE   744 AM PST   SUNSET   418 PM PST
DECEMBER  9 2016......SUNRISE   745 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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