ROCK ISLAND, ILLINOIS

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

WEATHER

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DAILY WEATHER AVERAGE - 1 AUGUST

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	23.5 ^°C	29.5 ^°C	17.6 ^°C	33.9 ^°C (2006)	12.2 ^°C (1998)
Dewpoint	18.3 ^°C	21.1 ^°C	15.4 ^°C	26.1 ^°C (2002)	10.6 ^°C (2012)
Humidity	74.7 ^%	93 ^%	51.9 ^%		36 ^% (2012)
Barometer	1015.9 ^hPa	1017.9 ^hPa	1013.9 ^hPa	1027.8 ^hPa (1998)	1008.5 ^hPa (2008)
Wind Speed	10.3 ^km/h	19.8 ^km/h		42.6 ^km/h (2003)
Wind Gust		34.4 ^km/h		55.5 ^km/h (2003)
Precipitation	5.08 ^mm			10.41 ^mm (2003)

Weather Element	Average
Visibility	12.9 ^km
Wind Direction	S (177.6 °)

Weather Element	Total
Cooling Degree Days	5.2 (Base 18.3)
Growing Degree Days	13.6 (Base 10)

Total Years on Record: 20

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