ROCK FALLS, ILLINOIS

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Elevation: 679 feet Latitude: 41 48N Longitude: 089 38W

WEATHER

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DAILY WEATHER AVERAGE - DECEMBER 8

[ °C ] °F

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	26.7 ^°F	33.5 ^°F	18.9 ^°F	48.2 ^°F (1999)	(2010)
Dewpoint	20.5 ^°F	26.8 ^°F	19.9 ^°F	46.4 ^°F (1999)	1.4 ^°F (2002)
Humidity	77.1 ^%	91 ^%	63.6 ^%		31 ^% (2002)
Barometer	30.13 ⁱⁿ	30.27 ⁱⁿ	29.96 ⁱⁿ	30.64 ⁱⁿ (2006)	29.13 ⁱⁿ (2009)
Wind Speed	8 ^mph	15.4 ^mph		27.6 ^mph (2009)
Wind Gust		22.9 ^mph		40.3 ^mph (2009)
Precipitation	0.84 ⁱⁿ			4.74 ⁱⁿ (2008)

Weather Element	Average
Visibility	8.3 ^mi
Wind Direction	SSE (160 °)

Weather Element	Total
Heating Degree Days	38.8 (Base 18.3)

Total Years on Record: 21

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