SEA-TAC, WASHINGTON

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

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DAILY WEATHER AVERAGE - 12 MAY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	12.6 ^°C	17.5 ^°C	8.3 ^°C	26.1 ^°C (2002)	4 ^°C (2009)
Dewpoint	6.7 ^°C	8.6 ^°C	4.7 ^°C	15.6 ^°C (1996)	-1.7 ^°C (2014)
Humidity	70.6 ^%	90.2 ^%	48.7 ^%		22 ^% (2012)
Barometer	1018.6 ^hPa	1021 ^hPa	1016.6 ^hPa	1029.1 ^hPa (2014)	1003.4 ^hPa (1998)
Wind Speed	10.8 ^km/h	19.3 ^km/h		31.5 ^km/h (2007)
Wind Gust		37.7 ^km/h		42.6 ^km/h (2007)
Precipitation	5.33 ^mm			9.4 ^mm (1996)

Weather Element	Average
Visibility	16.6 ^km
Wind Direction	SSE (163.3 °)

Total Years on Record: 21

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