Climatological Report (Daily)
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757
CDUS46 KSEW 240121
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
521 PM PST THU NOV 23 2017


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR NOVEMBER 23 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         59R  1216 AM  58    1959  49     10       48
  MINIMUM         51    459 PM  10    1985  38     13       42
  AVERAGE         55                        44     11       45

PRECIPITATION (IN)
  TODAY            0.20          2.49 1986   0.22  -0.02     0.13
  MONTH TO DATE    7.23                      5.02   2.21     4.97
  SINCE OCT 1     12.03                      8.50   3.53    15.02
  SINCE JAN 1     41.04                     30.59  10.45    39.80

SNOWFALL (IN)
  TODAY            0.0           0.4  1977                   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           10                        21    -11       20
  MONTH TO DATE  416                       432    -16      286
  SINCE SEP 1    853                       944    -91      701
  SINCE JUL 1    860                      1029   -169      722

 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  13   RESULTANT WIND DIRECTION  SW (210)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED    12.8


SKY COVER
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           300 AM
 LOWEST     77           300 PM
 AVERAGE    89

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   49        59      1995
                                             1983
                                             1974
 MINIMUM TEMPERATURE (F)   38        14      2010


SUNRISE AND SUNSET
NOVEMBER 23 2017......SUNRISE   726 AM PST   SUNSET   425 PM PST
NOVEMBER 24 2017......SUNRISE   727 AM PST   SUNSET   424 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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