ROCK ISLAND, ILLINOIS

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

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DAILY WEATHER AVERAGE - 30 JANUARY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-5 ^°C	-1.4 ^°C	-9.2 ^°C	13.9 ^°C (2012)	-25.6 ^°C (2004)
Dewpoint	-8.4 ^°C	-5.4 ^°C	-11.9 ^°C	1.7 ^°C (2012)	-28.9 ^°C (2012)
Humidity	78 ^%	87.8 ^%	65.7 ^%		39 ^% (2012)
Barometer	1017.9 ^hPa	1022.7 ^hPa	1013.9 ^hPa	1036.2 ^hPa (2015)	991.5 ^hPa (2001)
Wind Speed	17.5 ^km/h	29 ^km/h		55.5 ^km/h (2014)
Wind Gust		52.1 ^km/h		74 ^km/h (2014)
Precipitation	10.41 ^mm			20.32 ^mm (2013)

Weather Element	Average
Visibility	10.9 ^km
Wind Direction	SSW (194.5 °)

Weather Element	Total
Heating Degree Days	23.7 (Base 18.3)

Total Years on Record: 20

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