ROCK FALLS, ILLINOIS

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Elevation: 207 meters Latitude: 41 48N Longitude: 089 38W

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DAILY WEATHER AVERAGE - 16 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-2.3 ^°C	1.6 ^°C	-6.8 ^°C	12 ^°C (2006)	-17 ^°C (2009)
Dewpoint	-5.8 ^°C	-2.1 ^°C	-8.8 ^°C	9 ^°C (2006)	-22 ^°C (2004)
Humidity	77.4 ^%	90 ^%	64.4 ^%		44 ^% (2004)
Barometer	1016.3 ^hPa	1020.7 ^hPa	1011.9 ^hPa	1037.9 ^hPa (2008)	997.6 ^hPa (2003)
Wind Speed	15.6 ^km/h	29.3 ^km/h		44.4 ^km/h (2003)
Wind Gust		44.3 ^km/h		57.5 ^km/h (2003)
Precipitation	3.05 ^mm			5.84 ^mm (2000)

Weather Element	Average
Visibility	13.8 ^km
Wind Direction	SSW (195.3 °)

Weather Element	Total
Heating Degree Days	20.9 (Base 18.3)

Total Years on Record: 21

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