Climatological Report (Daily)
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000
CDUS46 KSEW 300830
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
130 AM PDT SUN AUG 30 2015


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 29 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         72    207 PM  91    1974  75     -3       73
  MINIMUM         56   1159 PM  44    1951  55      1       59
  AVERAGE         64                        65     -1       66

PRECIPITATION (IN)
  YESTERDAY        1.28R         0.87 1983   0.04   1.24      T
  MONTH TO DATE    2.88                      0.80   2.08     1.43
  SINCE OCT 1     35.59                     35.91  -0.32    36.50
  SINCE JAN 1     19.21                     20.51  -1.30    29.51

DEGREE DAYS
 HEATING
  YESTERDAY        1                         2     -1        0
  MONTH TO DATE    6                        31    -25        5
  SINCE JUN 1     37                       224   -187      113
  SINCE JUL 1      8                        80    -72       19

 COOLING
  YESTERDAY        0                         2     -2        1
  MONTH TO DATE  132                        72     60      145
  SINCE JUN 1    453                       164    289      308
  SINCE JAN 1    460                       170    290      323
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  13   RESULTANT WIND DIRECTION   S (200)
  HIGHEST WIND SPEED    35   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    46   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED    13.0


SKY COVER
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           300 AM
 LOWEST     51          1000 AM
 AVERAGE    72

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   75        88      1987
 MINIMUM TEMPERATURE (F)   55        45      1950


SUNRISE AND SUNSET
AUGUST 30 2015........SUNRISE   625 AM PDT   SUNSET   754 PM PDT
AUGUST 31 2015........SUNRISE   626 AM PDT   SUNSET   752 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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