MARIETTA, WASHINGTON

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Elevation: 6 meters Latitude: 48 50N Longitude: 122 36W

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DAILY WEATHER AVERAGE - 21 MAY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	12.1 ^°C	16.3 ^°C	8.8 ^°C	23.8 ^°C (1995)	4.4 ^°C (2009)
Dewpoint	7.7 ^°C	9.6 ^°C	5.8 ^°C	13.9 ^°C (2015)	-1.1 ^°C (1995)
Humidity	77.5 ^%	92.5 ^%	57.7 ^%		22 ^% (1995)
Barometer	1016.3 ^hPa	1019 ^hPa	1013.5 ^hPa	1029.1 ^hPa (2001)	1002.4 ^hPa (2006)
Wind Speed	10.9 ^km/h	20.8 ^km/h		33.3 ^km/h (1998)
Wind Gust		43.6 ^km/h		51.8 ^km/h (2012)
Precipitation	6.35 ^mm			19.81 ^mm (2012)

Weather Element	Average
Visibility	20.9 ^km
Wind Direction	SE (137.4 °)

Weather Element	Total
Heating Degree Days	5.8 (Base 18.3)
Growing Degree Days	2.9 (Base 10)

Total Years on Record: 20

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