Climatological Report (Daily)
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685
CDUS46 KSEW 280830
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
130 AM PDT SUN MAY 28 2017


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 27 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         86    417 PM  89    2005  67     19       64
  MINIMUM         55    450 AM  37    1966  49      6       49
  AVERAGE         71                        58     13       57

PRECIPITATION (IN)
  YESTERDAY        0.00          0.83 1948   0.06  -0.06     0.00
  MONTH TO DATE    2.16                      1.68   0.48     0.84
  SINCE OCT 1     47.16                     32.58  14.58    45.36
  SINCE JAN 1     26.76                     17.18   9.58    20.97

DEGREE DAYS
 HEATING
  YESTERDAY        0                         7     -7        8
  MONTH TO DATE  215                       256    -41      146
  SINCE MAR 1   1219                      1270    -51      878
  SINCE JUL 1   4392                      4524   -132     3722

 COOLING
  YESTERDAY        6                         0      6        0
  MONTH TO DATE   13                         0     13       11
  SINCE MAR 1     13                         0     13       25
  SINCE JAN 1     13                         0     13       25
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   N (340)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED     5.0


SKY COVER
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    77           500 AM
 LOWEST     23           400 PM
 AVERAGE    50

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   67        92      1983
 MINIMUM TEMPERATURE (F)   50        38      1954


SUNRISE AND SUNSET
MAY 28 2017...........SUNRISE   519 AM PDT   SUNSET   855 PM PDT
MAY 29 2017...........SUNRISE   518 AM PDT   SUNSET   856 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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