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 APRIL

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	7.8 ^°C	12.1 ^°C	3.9 ^°C	17.2 ^°C (2004)	0.6 ^°C (1997)
Dewpoint	2.7 ^°C	4.4 ^°C	0.3 ^°C	8.3 ^°C (2000)	-6.1 ^°C (1999)
Humidity	72.7 ^%	91.8 ^%	49.5 ^%		31 ^% (1999)
Barometer	1018.3 ^hPa	1022 ^hPa	1014.2 ^hPa	1037.3 ^hPa (1997)	991.9 ^hPa (2010)
Wind Speed	12.7 ^km/h	22.9 ^km/h		48.1 ^km/h (2010)
Wind Gust		40.6 ^km/h		70.3 ^km/h (2010)
Precipitation	12.45 ^mm			35.56 ^mm (2009)

Weather Element	Average
Visibility	16.4 ^km
Wind Direction	SSE (150.1 °)

Weather Element	Total
Heating Degree Days	10.3 (Base 18.3)
Growing Degree Days	1 (Base 10)

Total Years on Record: 21

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