Climatological Report (Daily)
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000
CDUS46 KSEW 190831
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
1231 AM PST THU JAN 19 2017


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JANUARY 18 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         53   1221 PM  60    2005  48      5       52
  MINIMUM         44    847 AM   9    1950  37      7       43
  AVERAGE         49                        42      7       48

PRECIPITATION (IN)
  YESTERDAY        1.21          2.98 1986   0.19   1.02     0.06
  MONTH TO DATE    3.95                      3.41   0.54     2.54
  SINCE OCT 1     24.35                     18.81   5.54    26.93
  SINCE JAN 1      3.95                      3.41   0.54     2.54

SNOWFALL (IN)
  YESTERDAY       MM             6.8  2012                   0.0
  MONTH TO DATE    3.0                                        T
  SINCE OCT 1      4.0                                        T
  SINCE JUL 1      4.0                                        T
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       16                        23     -7       17
  MONTH TO DATE  550                       422    128      418
  SINCE DEC 1   1380                      1177    203     1095
  SINCE JUL 1   2231                      2360   -129     2106

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION  SE (130)
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED    10.8


SKY COVER
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     76           700 PM
 AVERAGE    88

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   48        62      2005
 MINIMUM TEMPERATURE (F)   37        18      1954


SUNRISE AND SUNSET
JANUARY 19 2017.......SUNRISE   749 AM PST   SUNSET   452 PM PST
JANUARY 20 2017.......SUNRISE   748 AM PST   SUNSET   453 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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