Climatological Report (Daily)
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000
CDUS46 KSEW 300828
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
127 AM PDT TUE MAY 30 2017


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 29 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         74    409 PM  85    1973  67      7       64
  MINIMUM         52    753 AM  35    1951  50      2       52
  AVERAGE         63                        58      5       58

PRECIPITATION (IN)
  YESTERDAY        0.00          1.83 1969   0.06  -0.06      T
  MONTH TO DATE    2.16                      1.81   0.35     0.94
  SINCE OCT 1     47.16                     32.71  14.45    45.46
  SINCE JAN 1     26.76                     17.31   9.45    21.07

DEGREE DAYS
 HEATING
  YESTERDAY        2                         7     -5        7
  MONTH TO DATE  217                       270    -53      162
  SINCE MAR 1   1221                      1284    -63      894
  SINCE JUL 1   4394                      4538   -144     3738

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE   19                         0     19       11
  SINCE MAR 1     19                         0     19       25
  SINCE JAN 1     19                         0     19       25
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION  SW (210)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     6.9


SKY COVER
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           600 AM
 LOWEST     53           500 PM
 AVERAGE    77

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   67        87      2007
                                             1956
 MINIMUM TEMPERATURE (F)   50        36      1951


SUNRISE AND SUNSET
MAY 30 2017...........SUNRISE   517 AM PDT   SUNSET   857 PM PDT
MAY 31 2017...........SUNRISE   517 AM PDT   SUNSET   858 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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