Climatological Report (Daily)
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CDUS46 KSEW 010832
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
132 AM PDT SAT OCT 1 2016


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 30 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         65    244 PM  82    1992  66     -1       65
  MINIMUM         46    504 AM  36    1950  49     -3       50
  AVERAGE         56                        57     -1       58

PRECIPITATION (IN)
  YESTERDAY        T             1.65 1953   0.07  -0.07     0.00
  MONTH TO DATE    1.05                      1.50  -0.45     0.83
  SINCE OCT 1     49.17                     37.49  11.68    36.82
  SINCE JAN 1     24.78                     22.09   2.69    20.44

DEGREE DAYS
 HEATING
  YESTERDAY        9                         8      1        7
  MONTH TO DATE  109                       131    -22      142
  SINCE SEP 1    109                       132    -23      142
  SINCE JUL 1    130                       217    -87      154

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    3                        21    -18       14
  SINCE SEP 1      3                        21    -18       14
  SINCE JAN 1    291                       189    102      474
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION  SW (210)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     5.4


SKY COVER
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           600 AM
 LOWEST     39           500 PM
 AVERAGE    66

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   65        89      1987
 MINIMUM TEMPERATURE (F)   49        35      1950


SUNRISE AND SUNSET
OCTOBER  1 2016.......SUNRISE   709 AM PDT   SUNSET   647 PM PDT
OCTOBER  2 2016.......SUNRISE   710 AM PDT   SUNSET   645 PM PDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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