SEATTLE, WASHINGTON

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Elevation: 37 meters Latitude: 47 39N Longitude: 122 18W

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DAILY WEATHER AVERAGE - 12 OCTOBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	12.2 ^°C	15.6 ^°C	8.8 ^°C	20 ^°C (2006)	4.4 ^°C (2009)
Dewpoint	7.9 ^°C	9.6 ^°C	5.6 ^°C	12.2 ^°C (2004)	-8.9 ^°C (2009)
Humidity	77.1 ^%	90.7 ^%	57.3 ^%		25 ^% (2009)
Barometer	1020 ^hPa	1022.7 ^hPa	1016.6 ^hPa	1032.2 ^hPa (2002)	1000.7 ^hPa (2009)
Wind Speed	9.8 ^km/h	19.2 ^km/h		40.7 ^km/h (2001)
Wind Gust		41.5 ^km/h		57.5 ^km/h (2001)
Precipitation	1.78 ^mm			7.37 ^mm (2003)

Weather Element	Average
Visibility	16.4 ^km
Wind Direction	ESE (126.1 °)

Weather Element	Total
Heating Degree Days	6.2 (Base 18.3)
Growing Degree Days	2.6 (Base 10)

Total Years on Record: 20

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