ROCK ISLAND, WASHINGTON

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Elevation: 1230 feet Latitude: 47 24N Longitude: 120 12W

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DAILY WEATHER AVERAGE - FEBRUARY 20

[ °C ] °F

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	37.4 ^°F	45.6 ^°F	30.4 ^°F	61 ^°F (2015)	19 ^°F (2006)
Dewpoint	26.9 ^°F	30.3 ^°F	23.3 ^°F	43.9 ^°F (1995)	10.9 ^°F (2005)
Humidity	68.1 ^%	85.6 ^%	47.8 ^%		25 ^% (2005)
Barometer	30.04 ⁱⁿ	30.12 ⁱⁿ	29.91 ⁱⁿ	30.41 ⁱⁿ (1997)	29.20 ⁱⁿ (1996)
Wind Speed	5.6 ^mph	12.5 ^mph		25.3 ^mph (2007)
Wind Gust		30.6 ^mph		38 ^mph (1998)
Precipitation	0.19 ⁱⁿ			0.19 ⁱⁿ (1999)

Weather Element	Average
Visibility	9.9 ^mi
Wind Direction	SSE (165.6 °)

Weather Element	Total
Heating Degree Days	27 (Base 18.3)

Total Years on Record: 22

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