Climatological Report (Daily)
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000
CDUS46 KSEW 040829
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
128 AM PDT FRI SEP 4 2015


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 3 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         65    404 PM  92    1988  74     -9       69
  MINIMUM         51   1132 PM  45    1956  54     -3       55
  AVERAGE         58                        64     -6       62

PRECIPITATION (IN)
  YESTERDAY        0.00          0.46 2007   0.04  -0.04     0.00
  MONTH TO DATE    0.23                      0.11   0.12     0.12
  SINCE OCT 1     36.22                     36.10   0.12    37.00
  SINCE JAN 1     19.84                     20.70  -0.86    30.01

DEGREE DAYS
 HEATING
  YESTERDAY        7                         2      5        3
  MONTH TO DATE   15                         6      9        5
  SINCE SEP 1     15                         6      9        5
  SINCE JUL 1     27                        91    -64       28

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE    0                         3     -3        0
  SINCE SEP 1      0                         3     -3        0
  SINCE JAN 1    460                       171    289      323
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION  SW (220)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED     6.5


SKY COVER
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           200 AM
 LOWEST     48           300 PM
 AVERAGE    72

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        87      2003
                                             1963
 MINIMUM TEMPERATURE (F)   54        42      1952


SUNRISE AND SUNSET
SEPTEMBER  4 2015.....SUNRISE   632 AM PDT   SUNSET   744 PM PDT
SEPTEMBER  5 2015.....SUNRISE   633 AM PDT   SUNSET   742 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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