ROCK ISLAND, WASHINGTON

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

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DAILY WEATHER AVERAGE - JANUARY 29

[ °C ] °F

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	30.2 ^°F	34.9 ^°F	26.1 ^°F	48.2 ^°F (1999)	-2 ^°F (1996)
Dewpoint	25.5 ^°F	28.2 ^°F	22 ^°F	37.4 ^°F (2005)	-9 ^°F (1999)
Humidity	83.3 ^%	91 ^%	72.9 ^%		50 ^% (1999)
Barometer	30.09 ⁱⁿ	30.23 ⁱⁿ	29.96 ⁱⁿ	30.60 ⁱⁿ (2009)	29.44 ⁱⁿ (2004)
Wind Speed	3.3 ^mph	9.7 ^mph		20.7 ^mph (1999)
Wind Gust		25.9 ^mph		31.1 ^mph (1999)
Precipitation	0.19 ⁱⁿ			0.43 ⁱⁿ (2006)

Weather Element	Average
Visibility	7.9 ^mi
Wind Direction	ESE (117.8 °)

Weather Element	Total
Heating Degree Days	34.5 (Base 18.3)

Total Years on Record: 21

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