Climatological Report (Daily)
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000
CDUS46 KSEW 240120
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
619 PM PDT WED MAY 23 2018


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 23 2018...
VALID TODAY AS OF 0500 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         80    428 PM  90    1969  66     14       78
  MINIMUM         55    425 AM  37    1980  49      6       53
                                      1950
  AVERAGE         68                        57     11       66

PRECIPITATION (IN)
  TODAY            0.00          0.70 1962   0.06  -0.06     0.00
  MONTH TO DATE    0.12                      1.43  -1.31     2.16
  SINCE OCT 1     37.39                     32.33   5.06    47.16
  SINCE JAN 1     18.53                     16.93   1.60    26.76

DEGREE DAYS
 HEATING
  TODAY            0                         8     -8        0
  MONTH TO DATE   91                       226   -135      199
  SINCE MAR 1   1069                      1240   -171     1203
  SINCE JUL 1   4102                      4494   -392     4376

 COOLING
  TODAY            3                         0      3        1
  MONTH TO DATE   15                         0     15        6
  SINCE MAR 1     17                         0     17        6
  SINCE JAN 1     17                         0     17        6
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION  NW (300)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     N (10)
  AVERAGE WIND SPEED     6.7


SKY COVER
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    72           200 AM
 LOWEST     36           400 PM
 AVERAGE    54

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   66        89      1992
 MINIMUM TEMPERATURE (F)   49        37      1975
                                             1950


SUNRISE AND SUNSET
MAY 23 2018...........SUNRISE   523 AM PDT   SUNSET   849 PM PDT
MAY 24 2018...........SUNRISE   522 AM PDT   SUNSET   850 PM PDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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