Climatological Report (Daily)
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000
CDUS46 KSEW 280830
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
129 AM PDT SUN AUG 28 2016


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 27 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         73   1232 AM  88    2009  75     -2       85
                                      1994
                                      1986
  MINIMUM         58   1159 PM  44    1952  55      3       58
  AVERAGE         66                        65      1       72

PRECIPITATION (IN)
  YESTERDAY        0.00          0.76 1951   0.04  -0.04     0.00
  MONTH TO DATE    0.16                      0.73  -0.57     1.58
  SINCE OCT 1     48.11                     35.84  12.27    34.29
  SINCE JAN 1     23.72                     20.44   3.28    17.91

DEGREE DAYS
 HEATING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE    6                        27    -21        5
  SINCE JUN 1    108                       220   -112       36
  SINCE JUL 1     17                        76    -59        7

 COOLING
  YESTERDAY        1                         2     -1        7
  MONTH TO DATE  132                        68     64      130
  SINCE JUN 1    261                       160    101      451
  SINCE JAN 1    287                       166    121      458
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  11   RESULTANT WIND DIRECTION  SW (220)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED    11.5


SKY COVER
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84           600 AM
 LOWEST     44          1200 AM
 AVERAGE    64

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


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 2016........SUNRISE   623 AM PDT   SUNSET   756 PM PDT
AUGUST 29 2016........SUNRISE   625 AM PDT   SUNSET   754 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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