SEA-TAC, WASHINGTON

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

WEATHER

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DAILY WEATHER AVERAGE - 1 FEBRUARY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	5.9 ^°C	8.5 ^°C	3.6 ^°C	12.8 ^°C (1998)	-4.4 ^°C (1996)
Dewpoint	2.1 ^°C	4.1 ^°C	0.1 ^°C	10 ^°C (1995)	-14.4 ^°C (2011)
Humidity	78.7 ^%	90.3 ^%	64.2 ^%		23 ^% (2011)
Barometer	1020 ^hPa	1023 ^hPa	1015.9 ^hPa	1037.3 ^hPa (2011)	997.3 ^hPa (1998)
Wind Speed	13.5 ^km/h	25.1 ^km/h		42.6 ^km/h (2000)
Wind Gust		46.5 ^km/h		57.5 ^km/h (2006)
Precipitation	6.6 ^mm			31.5 ^mm (2000)

Weather Element	Average
Visibility	15.8 ^km
Wind Direction	SSE (150.6 °)

Weather Element	Total
Heating Degree Days	12.3 (Base 18.3)
Growing Degree Days	0.4 (Base 10)

Total Years on Record: 22

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