ROCK ISLAND, ILLINOIS

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

WEATHER

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DAILY WEATHER AVERAGE - 30 JULY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	23.2 ^°C	28.6 ^°C	17.9 ^°C	35 ^°C (2006)	11.1 ^°C (1997)
Dewpoint	18.1 ^°C	20.1 ^°C	15.9 ^°C	25.6 ^°C (1999)	9.4 ^°C (1997)
Humidity	74.6 ^%	92.8 ^%	54.6 ^%		39 ^% (1997)
Barometer	1015.2 ^hPa	1016.9 ^hPa	1013.9 ^hPa	1029.1 ^hPa (1997)	1003.4 ^hPa (1999)
Wind Speed	10.8 ^km/h	19.2 ^km/h		27.8 ^km/h (2000)
Wind Gust		31.5 ^km/h		42.6 ^km/h (2000)
Precipitation	0.51 ^mm			1.02 ^mm (2000)

Weather Element	Average
Visibility	13.7 ^km
Wind Direction	SSE (159.9 °)

Weather Element	Total
Cooling Degree Days	5.2 (Base 18.3)
Growing Degree Days	13.3 (Base 10)

Total Years on Record: 19

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