ROCK ISLAND, ILLINOIS

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

WEATHER

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DAILY WEATHER AVERAGE - 10 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-2.1 ^°C	1.6 ^°C	-6.3 ^°C	13.3 ^°C (2015)	-20 ^°C (2009)
Dewpoint	-5.8 ^°C	-2.9 ^°C	-9.5 ^°C	5.6 ^°C (2015)	-23.3 ^°C (2001)
Humidity	77.3 ^%	86.9 ^%	65.3 ^%		33 ^% (2001)
Barometer	1017.3 ^hPa	1021.7 ^hPa	1013.9 ^hPa	1034.9 ^hPa (2011)	997 ^hPa (2003)
Wind Speed	17.9 ^km/h	28.8 ^km/h		50.1 ^km/h (2013)
Wind Gust		52.5 ^km/h		70.3 ^km/h (2015)
Precipitation	3.56 ^mm			19.81 ^mm (2003)

Weather Element	Average
Visibility	12.7 ^km
Wind Direction	SSW (210.5 °)

Weather Element	Total
Heating Degree Days	20.7 (Base 18.3)
Growing Degree Days	0.3 (Base 10)

Total Years on Record: 20

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