Climatological Report (Daily)
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115
CDUS46 KSEW 300835
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
135 AM PDT FRI SEP 30 2016


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 29 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         66   1241 PM  81    1993  66      0       71
                                      1992
  MINIMUM         47    609 AM  37    1954  49     -2       48
  AVERAGE         57                        58     -1       60

PRECIPITATION (IN)
  YESTERDAY        0.00          0.92 1951   0.06  -0.06     0.00
  MONTH TO DATE    1.05                      1.43  -0.38     0.83
  SINCE OCT 1     49.17                     37.42  11.75    36.82
  SINCE JAN 1     24.78                     22.02   2.76    20.44

DEGREE DAYS
 HEATING
  YESTERDAY        8                         7      1        5
  MONTH TO DATE  100                       123    -23      135
  SINCE SEP 1    100                       123    -23      135
  SINCE JUL 1    121                       208    -87      147

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    3                        19    -16       14
  SINCE SEP 1      3                        19    -16       14
  SINCE JAN 1    291                       187    104      474
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION   N (10)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     N (360)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     N (340)
  AVERAGE WIND SPEED     5.2


SKY COVER
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    80           600 AM
 LOWEST     37           300 PM
 AVERAGE    59

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   66        82      1992
 MINIMUM TEMPERATURE (F)   49        36      1950


SUNRISE AND SUNSET
SEPTEMBER 30 2016.....SUNRISE   708 AM PDT   SUNSET   649 PM PDT
OCTOBER  1 2016.......SUNRISE   709 AM PDT   SUNSET   647 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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