SEATTLE, WASHINGTON

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

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DAILY WEATHER AVERAGE - 21 OCTOBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	11.3 ^°C	14.8 ^°C	8.4 ^°C	21 ^°C (1998)	4.4 ^°C (2008)
Dewpoint	8.2 ^°C	9.8 ^°C	6.2 ^°C	16.7 ^°C (2003)	1 ^°C (1998)
Humidity	82.6 ^%	95.1 ^%	63.3 ^%		33 ^% (1998)
Barometer	1019.6 ^hPa	1022 ^hPa	1016.6 ^hPa	1035.9 ^hPa (2008)	1007.1 ^hPa (2004)
Wind Speed	8.4 ^km/h	16.6 ^km/h		24.1 ^km/h (2011)
Wind Gust		38.5 ^km/h		46.3 ^km/h (2011)
Precipitation	3.56 ^mm			12.19 ^mm (2003)

Weather Element	Average
Visibility	13.7 ^km
Wind Direction	ESE (116.7 °)

Weather Element	Total
Heating Degree Days	6.7 (Base 18.3)
Growing Degree Days	2.9 (Base 10)

Total Years on Record: 21

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