SEA-TAC, WASHINGTON

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

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DAILY WEATHER AVERAGE - 24 OCTOBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	9.1 ^°C	12.6 ^°C	6.6 ^°C	16.1 ^°C (2000)	3 ^°C (2002)
Dewpoint	6.6 ^°C	8.2 ^°C	4.7 ^°C	12.2 ^°C (2005)	1.1 ^°C (1999)
Humidity	84.8 ^%	95.4 ^%	67.2 ^%		47 ^% (1999)
Barometer	1018.3 ^hPa	1021 ^hPa	1015.2 ^hPa	1034.9 ^hPa (2003)	992.9 ^hPa (2010)
Wind Speed	9.7 ^km/h	17.7 ^km/h		33.3 ^km/h (2010)
Wind Gust		38.9 ^km/h		50.1 ^km/h (2010)
Precipitation	7.62 ^mm			25.4 ^mm (2010)

Weather Element	Average
Visibility	13.5 ^km
Wind Direction	ESE (128.1 °)

Weather Element	Total
Heating Degree Days	8.8 (Base 18.3)
Growing Degree Days	1.3 (Base 10)

Total Years on Record: 21

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