Climatological Report (Daily)
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763
CDUS46 KSEW 230117
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
517 PM PST WED NOV 22 2017


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR NOVEMBER 22 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         68R   302 PM  58    1959  49     19       53
                                      1954
  MINIMUM         56    209 AM  14    1985  39     17       43
  AVERAGE         62                        44     18       48

PRECIPITATION (IN)
  TODAY            0.13          1.76 2011   0.22  -0.09     0.45
  MONTH TO DATE    6.64                      4.80   1.84     4.84
  SINCE OCT 1     11.44                      8.28   3.16    14.89
  SINCE JAN 1     40.45                     30.37  10.08    39.67

SNOWFALL (IN)
  TODAY            0.0           2.5  2010                   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            3                        21    -18       17
  MONTH TO DATE  406                       411     -5      266
  SINCE SEP 1    843                       923    -80      681
  SINCE JUL 1    850                      1008   -158      702

 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   7   RESULTANT WIND DIRECTION   S (180)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     6.8


SKY COVER
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           500 AM
 LOWEST     68           400 PM
 AVERAGE    84

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   49        58      1959
 MINIMUM TEMPERATURE (F)   38        10      1985


SUNRISE AND SUNSET
NOVEMBER 22 2017......SUNRISE   724 AM PST   SUNSET   426 PM PST
NOVEMBER 23 2017......SUNRISE   726 AM PST   SUNSET   425 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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