SEA-TAC, WASHINGTON

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Elevation: 137 meters Latitude: 47 27N Longitude: 122 18W

WEATHER

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DAILY WEATHER AVERAGE - 2 OCTOBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	12.7 ^°C	16.6 ^°C	9.7 ^°C	21.7 ^°C (2004)	6.1 ^°C (2002)
Dewpoint	8.8 ^°C	10.9 ^°C	6.6 ^°C	14.4 ^°C (1995)	-2.2 ^°C (2012)
Humidity	78.9 ^%	93.8 ^%	58.6 ^%		29 ^% (2012)
Barometer	1017.9 ^hPa	1020 ^hPa	1015.2 ^hPa	1027.1 ^hPa (2002)	998.3 ^hPa (1997)
Wind Speed	10.5 ^km/h	18.8 ^km/h		33.3 ^km/h (1997)
Wind Gust		46.3 ^km/h		51.8 ^km/h (1997)
Precipitation	9.14 ^mm			44.2 ^mm (2007)

Weather Element	Average
Visibility	14.3 ^km
Wind Direction	SSE (149.1 °)

Weather Element	Total
Heating Degree Days	5.2 (Base 18.3)
Growing Degree Days	3.3 (Base 10)

Total Years on Record: 21

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