ROCK ISLAND, ILLINOIS

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

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DAILY WEATHER AVERAGE - 28 JANUARY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-4.9 ^°C	-1.2 ^°C	-8.6 ^°C	11.1 ^°C (2002)	-25 ^°C (1997)
Dewpoint	-8.6 ^°C	-5.5 ^°C	-12.2 ^°C	8.9 ^°C (2006)	-27.8 ^°C (2002)
Humidity	77 ^%	87.2 ^%	63 ^%		46 ^% (2002)
Barometer	1020 ^hPa	1024.4 ^hPa	1015.2 ^hPa	1039.3 ^hPa (2000)	992.9 ^hPa (2008)
Wind Speed	18 ^km/h	29.3 ^km/h		48.1 ^km/h (2008)
Wind Gust		43.9 ^km/h		61.2 ^km/h (2008)
Precipitation	13.21 ^mm			37.85 ^mm (2006)

Weather Element	Average
Visibility	11.6 ^km
Wind Direction	SSW (198.2 °)

Weather Element	Total
Heating Degree Days	23.2 (Base 18.3)

Total Years on Record: 20

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