ROCK ISLAND, ILLINOIS

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Elevation: 190 meters Latitude: 41 34N Longitude: 090 25W

WEATHER

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DAILY WEATHER AVERAGE - 8 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-2.8 ^°C	0.8 ^°C	-6.6 ^°C	10 ^°C (1999)	-18.9 ^°C (2010)
Dewpoint	-5.8 ^°C	-2.9 ^°C	-8.7 ^°C	5.6 ^°C (1999)	-21.1 ^°C (2002)
Humidity	80.6 ^%	91.7 ^%	66.7 ^%		29 ^% (2002)
Barometer	1020.3 ^hPa	1025.4 ^hPa	1015.2 ^hPa	1039.3 ^hPa (2006)	985.8 ^hPa (2009)
Wind Speed	16.3 ^km/h	26.9 ^km/h		40.7 ^km/h (1996)
Wind Gust		44.3 ^km/h		53.8 ^km/h (2014)
Precipitation	2.03 ^mm			4.83 ^mm (2005)

Weather Element	Average
Visibility	10.5 ^km
Wind Direction	S (175.2 °)

Weather Element	Total
Heating Degree Days	21.2 (Base 18.3)

Total Years on Record: 20

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