SEA-TAC, WASHINGTON

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

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DAILY WEATHER AVERAGE - 21 FEBRUARY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	6.6 ^°C	9.9 ^°C	3.7 ^°C	13.9 ^°C (2010)	-1.1 ^°C (2005)
Dewpoint	2.8 ^°C	4.9 ^°C	0.5 ^°C	11.7 ^°C (2002)	-6.7 ^°C (2010)
Humidity	79.2 ^%	93.1 ^%	61.3 ^%		27 ^% (2010)
Barometer	1016.6 ^hPa	1019.6 ^hPa	1013.9 ^hPa	1032.2 ^hPa (1997)	990.2 ^hPa (1998)
Wind Speed	14 ^km/h	25.3 ^km/h		38.9 ^km/h (2012)
Wind Gust		44.6 ^km/h		55.5 ^km/h (2012)
Precipitation	5.84 ^mm			30.23 ^mm (2002)

Weather Element	Average
Visibility	15 ^km
Wind Direction	SSE (156.5 °)

Weather Element	Total
Heating Degree Days	11.6 (Base 18.3)

Total Years on Record: 22

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