Climatological Report (Daily)
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000
CDUS46 KSEW 200124
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
524 PM PST SUN NOV 19 2017


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR NOVEMBER 19 2017...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         53    133 PM  60    2008  50      3       57
                                      1987
                                      1965
  MINIMUM         39    250 AM  23    1946  39      0       48
  AVERAGE         46                        45      1       53

PRECIPITATION (IN)
  TODAY            0.09          2.13 2012   0.24  -0.15     0.04
  MONTH TO DATE    4.25                      4.12   0.13     4.36
  SINCE OCT 1      9.05                      7.60   1.45    14.41
  SINCE JAN 1     38.06                     29.69   8.37    39.19

SNOWFALL (IN)
  TODAY            0.0           7.0  1996                   0.0
  MONTH TO DATE    0.4                                       0.0
  SINCE OCT 1      0.4                                       0.0
  SINCE JUL 1      0.4                                       0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           19                        20     -1       12
  MONTH TO DATE  368                       348     20      220
  SINCE SEP 1    805                       860    -55      635
  SINCE JUL 1    812                       945   -133      656

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE SEP 1     75                        21     54        3
  SINCE JAN 1    392                       189    203      291
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   S (170)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     7.5


SKY COVER
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85           400 AM
 LOWEST     41          1000 AM
 AVERAGE    63

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   50        64      1987
 MINIMUM TEMPERATURE (F)   39        24      1946


SUNRISE AND SUNSET
NOVEMBER 19 2017......SUNRISE   720 AM PST   SUNSET   429 PM PST
NOVEMBER 20 2017......SUNRISE   722 AM PST   SUNSET   428 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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