ROCK ISLAND, ILLINOIS

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

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DAILY WEATHER AVERAGE - 7 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-3.7 ^°C	-0.2 ^°C	-7.6 ^°C	9.4 ^°C (2004)	-24.4 ^°C (2005)
Dewpoint	-6.8 ^°C	-4.2 ^°C	-9.9 ^°C	9 ^°C (2004)	-27.2 ^°C (2002)
Humidity	80.2 ^%	89.6 ^%	66.3 ^%		42 ^% (2002)
Barometer	1021.7 ^hPa	1025.4 ^hPa	1016.9 ^hPa	1042.7 ^hPa (2013)	998 ^hPa (2004)
Wind Speed	14.3 ^km/h	24.9 ^km/h		40.7 ^km/h (2004)
Wind Gust		43.5 ^km/h		48.1 ^km/h (2004)
Precipitation	3.56 ^mm			16.51 ^mm (2004)

Weather Element	Average
Visibility	11.7 ^km
Wind Direction	SSW (212.7 °)

Weather Element	Total
Heating Degree Days	22.3 (Base 18.3)

Total Years on Record: 19

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