Climatological Report (Daily)
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000
CDUS46 KSEW 220832
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
1231 AM PST MON JAN 22 2018


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JANUARY 21 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         51   1110 AM  62    1981  48      3       54
  MINIMUM         39    431 PM  13    1962  37      2       40
  AVERAGE         45                        42      3       47

PRECIPITATION (IN)
  YESTERDAY        0.11          1.64 1954   0.17  -0.06     0.05
  MONTH TO DATE    4.18                      3.95   0.23     4.09
  SINCE OCT 1     23.04                     19.35   3.69    24.49
  SINCE JAN 1      4.18                      3.95   0.23     4.09

SNOWFALL (IN)
  YESTERDAY        0.0           1.5  1949                   0.0
  MONTH TO DATE    0.0                                       3.0
  SINCE OCT 1      3.0                                       4.0
  SINCE JUL 1      3.0                                       4.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       20                        22     -2       18
  MONTH TO DATE  407                       490    -83      607
  SINCE DEC 1   1176                      1245    -69     1437
  SINCE JUL 1   2165                      2428   -263     2288

 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  17   RESULTANT WIND DIRECTION   S (180)
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    41   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED    17.8


SKY COVER
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           600 PM
 LOWEST     50           600 AM
 AVERAGE    70

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   48        60      1981
 MINIMUM TEMPERATURE (F)   37        19      1962


SUNRISE AND SUNSET
JANUARY 22 2018.......SUNRISE   746 AM PST   SUNSET   456 PM PST
JANUARY 23 2018.......SUNRISE   745 AM PST   SUNSET   457 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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