ROCK ISLAND, ILLINOIS

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

WEATHER

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DAILY WEATHER AVERAGE - 22 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-3.9 ^°C	-0.7 ^°C	-7.8 ^°C	9.4 ^°C (2001)	-23.3 ^°C (2000)
Dewpoint	-6.8 ^°C	-3.7 ^°C	-10.7 ^°C	7.2 ^°C (2001)	-26.7 ^°C (1998)
Humidity	81.2 ^%	89.7 ^%	70.9 ^%		45 ^% (1998)
Barometer	1017.9 ^hPa	1022.7 ^hPa	1012.9 ^hPa	1038.6 ^hPa (1998)	997 ^hPa (2007)
Wind Speed	18.5 ^km/h	29.9 ^km/h		44.4 ^km/h (2007)
Wind Gust		46.8 ^km/h		59.2 ^km/h (2007)
Precipitation	8.64 ^mm			21.34 ^mm (2006)

Weather Element	Average
Visibility	10.8 ^km
Wind Direction	SSW (217 °)

Weather Element	Total
Heating Degree Days	22.6 (Base 18.3)

Total Years on Record: 20

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