Climatological Report (Daily)
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000
CDUS46 KSEW 210122
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
622 PM PDT SUN MAY 20 2018


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 20 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         68    349 PM  92    1963  66      2       72
  MINIMUM         55    856 AM  40    1960  48      7       53
  AVERAGE         62                        57      5       63

PRECIPITATION (IN)
  TODAY            0.00          0.56 2007   0.06  -0.06     0.00
  MONTH TO DATE    0.12                      1.25  -1.13     2.16
  SINCE OCT 1     37.39                     32.15   5.24    47.16
  SINCE JAN 1     18.53                     16.75   1.78    26.76

DEGREE DAYS
 HEATING
  TODAY            3                         8     -5        2
  MONTH TO DATE   89                       202   -113      198
  SINCE MAR 1   1067                      1216   -149     1202
  SINCE JUL 1   4100                      4470   -370     4375

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE   12                         0     12        0
  SINCE MAR 1     14                         0     14        0
  SINCE JAN 1     14                         0     14        0
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   S (200)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION     S (160)
  AVERAGE WIND SPEED     6.4


SKY COVER
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           400 AM
 LOWEST     56           400 PM
 AVERAGE    71

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   66        93      1963
 MINIMUM TEMPERATURE (F)   48        39      1960


SUNRISE AND SUNSET
MAY 20 2018...........SUNRISE   526 AM PDT   SUNSET   846 PM PDT
MAY 21 2018...........SUNRISE   525 AM PDT   SUNSET   847 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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