ROCK ISLAND, ILLINOIS

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

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DAILY WEATHER AVERAGE - 20 JULY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	23.8 ^°C	29.3 ^°C	18.4 ^°C	35.6 ^°C (2011)	9 ^°C (2009)
Dewpoint	19.3 ^°C	21.7 ^°C	15.4 ^°C	26.7 ^°C (2002)	-0.6 ^°C (1999)
Humidity	77.7 ^%	94.4 ^%	56.5 ^%		22 ^% (1999)
Barometer	1014.6 ^hPa	1016.6 ^hPa	1012.2 ^hPa	1023 ^hPa (2007)	1004.4 ^hPa (2003)
Wind Speed	11.3 ^km/h	22.2 ^km/h		37 ^km/h (2006)
Wind Gust		40.6 ^km/h		57.5 ^km/h (2006)
Precipitation	16.51 ^mm			65.28 ^mm (1999)

Weather Element	Average
Visibility	13.4 ^km
Wind Direction	SSE (150 °)

Total Years on Record: 20

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