Climatological Report (Daily)
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000
CDUS46 KSEW 020832
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
131 AM PDT WED SEP 2 2015


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 1 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         67   1235 PM  91    1987  74     -7       74
  MINIMUM         57   1159 PM  46    1973  55      2       55
  AVERAGE         62                        64     -2       65

PRECIPITATION (IN)
  YESTERDAY        0.23          0.55 1978   0.04   0.19     0.00
  MONTH TO DATE    0.23                      0.04   0.19     0.00
  SINCE OCT 1     36.22                     36.03   0.19    36.88
  SINCE JAN 1     19.84                     20.63  -0.79    29.89

DEGREE DAYS
 HEATING
  YESTERDAY        3                         2      1        0
  MONTH TO DATE    3                         2      1        0
  SINCE SEP 1      3                         2      1        0
  SINCE JUL 1     15                        87    -72       23

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE    0                         1     -1        0
  SINCE SEP 1      0                         1     -1        0
  SINCE JAN 1    460                       169    291      323
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  12   RESULTANT WIND DIRECTION   S (190)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED    11.2


SKY COVER
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           900 PM
 LOWEST     72          1200 AM
 AVERAGE    83

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        98      1988
 MINIMUM TEMPERATURE (F)   55        41      1960


SUNRISE AND SUNSET
SEPTEMBER  2 2015.....SUNRISE   629 AM PDT   SUNSET   748 PM PDT
SEPTEMBER  3 2015.....SUNRISE   630 AM PDT   SUNSET   746 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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