ROCK ISLAND, ILLINOIS

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

WEATHER

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DAILY WEATHER AVERAGE - 31 JULY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	23.3 ^°C	29 ^°C	17.6 ^°C	35 ^°C (2006)	10.6 ^°C (1997)
Dewpoint	18.2 ^°C	20.3 ^°C	15.8 ^°C	25.6 ^°C (2001)	9.4 ^°C (2012)
Humidity	75 ^%	95.1 ^%	51.3 ^%		34 ^% (2012)
Barometer	1015.9 ^hPa	1017.6 ^hPa	1013.9 ^hPa	1028.8 ^hPa (1997)	1002.4 ^hPa (1999)
Wind Speed	10.5 ^km/h	19.2 ^km/h		27.8 ^km/h (2006)
Wind Gust		35.7 ^km/h		37 ^km/h (2006)
Precipitation	0.76 ^mm			2.79 ^mm (1999)

Weather Element	Average
Visibility	13 ^km
Wind Direction	SSW (196.8 °)

Weather Element	Total
Cooling Degree Days	4.9 (Base 18.3)
Growing Degree Days	13.3 (Base 10)

Total Years on Record: 20

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