Climatological Report (Daily)
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000
CDUS46 KSEW 220836
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
1235 AM PST WED NOV 22 2017


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR NOVEMBER 21 2017...

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)
 YESTERDAY
  MAXIMUM         60    619 PM  62    1954  50     10       53
  MINIMUM         38   1259 AM  21    1985  39     -1       44
                                      1977
  AVERAGE         49                        44      5       49

PRECIPITATION (IN)
  YESTERDAY        1.14          1.26 1980   0.23   0.91     0.02
  MONTH TO DATE    6.51                      4.58   1.93     4.39
  SINCE OCT 1     11.31                      8.06   3.25    14.44
  SINCE JAN 1     40.32                     30.15  10.17    39.22

SNOWFALL (IN)
  YESTERDAY        0.0           7.8  1985                   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
  YESTERDAY       16                        21     -5       16
  MONTH TO DATE  403                       390     13      249
  SINCE SEP 1    840                       902    -62      664
  SINCE JUL 1    847                       987   -140      685

 COOLING
  YESTERDAY        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   1   RESULTANT WIND DIRECTION   E (110)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED     5.4


SKY COVER
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           800 AM
 LOWEST     82          1200 AM
 AVERAGE    91

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   49        58      1959
                                             1954
 MINIMUM TEMPERATURE (F)   39        14      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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