ROCK ISLAND, WASHINGTON

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

WEATHER

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DAILY WEATHER AVERAGE - 20 NOVEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	2.2 ^°C	5.3 ^°C	-0.4 ^°C	12.2 ^°C (2012)	-8 ^°C (1996)
Dewpoint	-1.2 ^°C	0.6 ^°C	-3.4 ^°C	7.2 ^°C (2002)	-13.3 ^°C (2013)
Humidity	79.2 ^%	89.9 ^%	64.6 ^%		37 ^% (1997)
Barometer	1018.3 ^hPa	1022.4 ^hPa	1014.2 ^hPa	1035.2 ^hPa (2007)	996.6 ^hPa (1998)
Wind Speed	6.4 ^km/h	19.8 ^km/h		51.8 ^km/h (1997)
Wind Gust		48.4 ^km/h		83.4 ^km/h (1997)
Precipitation	2.54 ^mm			9.14 ^mm (2010)

Weather Element	Average
Visibility	14.2 ^km
Wind Direction	SSE (142.4 °)

Weather Element	Total
Heating Degree Days	15.9 (Base 18.3)

Total Years on Record: 20

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