MERCER ISLAND, WASHINGTON

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Elevation: 69 meters Latitude: 47 32N Longitude: 122 18W

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DAILY WEATHER AVERAGE - 29 APRIL

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	11.9 ^°C	16.6 ^°C	7.7 ^°C	25.6 ^°C (2014)	3.9 ^°C (2011)
Dewpoint	5.4 ^°C	7.6 ^°C	2.1 ^°C	11 ^°C (2005)	-2.2 ^°C (2014)
Humidity	67.5 ^%	88.3 ^%	44.2 ^%		16 ^% (2004)
Barometer	1019.6 ^hPa	1022.7 ^hPa	1016.6 ^hPa	1032.8 ^hPa (2014)	1007.8 ^hPa (2003)
Wind Speed	9 ^km/h	18.5 ^km/h		27.8 ^km/h (2001)
Wind Gust		34.3 ^km/h		44.4 ^km/h (2001)
Precipitation	6.86 ^mm			20.83 ^mm (2006)

Weather Element	Average
Visibility	17.2 ^km
Wind Direction	SSE (146.4 °)

Weather Element	Total
Heating Degree Days	6.2 (Base 18.3)
Growing Degree Days	3.2 (Base 10)

Total Years on Record: 21

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