ROCK ISLAND, ILLINOIS

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

WEATHER

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DAILY WEATHER AVERAGE - 18 OCTOBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	9.6 ^°C	15.8 ^°C	4 ^°C	25 ^°C (2005)	-2.8 ^°C (1999)
Dewpoint	3.3 ^°C	6.7 ^°C	0.4 ^°C	17.2 ^°C (2007)	-8.9 ^°C (1996)
Humidity	68.4 ^%	89.6 ^%	45.3 ^%		22 ^% (1996)
Barometer	1015.2 ^hPa	1018.6 ^hPa	1012.2 ^hPa	1029.8 ^hPa (2008)	988.5 ^hPa (2007)
Wind Speed	15.9 ^km/h	27.5 ^km/h		50.1 ^km/h (2007)
Wind Gust		45.1 ^km/h		76 ^km/h (1998)
Precipitation	6.35 ^mm			21.84 ^mm (2007)

Weather Element	Average
Visibility	14.8 ^km
Wind Direction	SSW (210.4 °)

Weather Element	Total
Heating Degree Days	8.4 (Base 18.3)
Growing Degree Days	3.5 (Base 10)

Total Years on Record: 18

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