Climatological Report (Daily)
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000
CDUS46 KSEW 280833
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
133 AM PDT FRI AUG 28 2015


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 27 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         85   1219 PM  88    2009  75     10       84
                                      1994
                                      1986
  MINIMUM         58    527 AM  44    1952  55      3       61
  AVERAGE         72                        65      7       73

PRECIPITATION (IN)
  YESTERDAY        0.00          0.76 1951   0.04  -0.04     0.00
  MONTH TO DATE    1.58                      0.73   0.85     1.43
  SINCE OCT 1     34.29                     35.84  -1.55    36.50
  SINCE JAN 1     17.91                     20.44  -2.53    29.51

DEGREE DAYS
 HEATING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE    5                        27    -22        5
  SINCE JUN 1     36                       220   -184      113
  SINCE JUL 1      7                        76    -69       19

 COOLING
  YESTERDAY        7                         2      5        8
  MONTH TO DATE  130                        68     62      143
  SINCE JUN 1    451                       160    291      306
  SINCE JAN 1    458                       166    292      321
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION  SW (210)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     4.7


SKY COVER
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    75           500 AM
 LOWEST     24           300 PM
 AVERAGE    50

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   75        95      1967
 MINIMUM TEMPERATURE (F)   55        46      1952


SUNRISE AND SUNSET
AUGUST 28 2015........SUNRISE   622 AM PDT   SUNSET   757 PM PDT
AUGUST 29 2015........SUNRISE   624 AM PDT   SUNSET   755 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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