ROCK ISLAND, ILLINOIS

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

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DAILY WEATHER AVERAGE - 25 SEPTEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	15.5 ^°C	22.8 ^°C	9.2 ^°C	30 ^°C (1999)	1.1 ^°C (2001)
Dewpoint	9.9 ^°C	12.5 ^°C	6.8 ^°C	22.2 ^°C (1998)	-1.1 ^°C (1999)
Humidity	72.6 ^%	92.4 ^%	45.4 ^%		25 ^% (1999)
Barometer	1017.6 ^hPa	1019.6 ^hPa	1015.2 ^hPa	1027.4 ^hPa (2008)	1007.8 ^hPa (1999)
Wind Speed	11.1 ^km/h	20.6 ^km/h		27.8 ^km/h (2007)
Wind Gust		33.2 ^km/h		38.9 ^km/h (2007)
Precipitation	21.84 ^mm			132.33 ^mm (2009)

Weather Element	Average
Visibility	13 ^km
Wind Direction	SSE (155.4 °)

Total Years on Record: 20

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