ROCK ISLAND, WASHINGTON

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Elevation: 375 meters Latitude: 47 24N Longitude: 120 12W

WEATHER

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DAILY WEATHER AVERAGE - 28 OCTOBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	7.3 ^°C	11.6 ^°C	3.2 ^°C	20.6 ^°C (2003)	-1.1 ^°C (2001)
Dewpoint	0.9 ^°C	3 ^°C	-1.3 ^°C	10 ^°C (2003)	-7.2 ^°C (2013)
Humidity	66.5 ^%	81.7 ^%	49.1 ^%		25 ^% (2002)
Barometer	1015.2 ^hPa	1020 ^hPa	1011.5 ^hPa	1028.4 ^hPa (2008)	996.6 ^hPa (2000)
Wind Speed	8.7 ^km/h	21.9 ^km/h		68.6 ^km/h (2003)
Wind Gust		60.2 ^km/h		83.4 ^km/h (2003)
Precipitation	1.02 ^mm			2.03 ^mm (2010)

Weather Element	Average
Visibility	15.3 ^km
Wind Direction	SSE (150.8 °)

Weather Element	Total
Heating Degree Days	10.9 (Base 18.3)
Growing Degree Days	2.1 (Base 10)

Total Years on Record: 19

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