ROCK ISLAND, ILLINOIS

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

WEATHER

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DAILY WEATHER AVERAGE - 13 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-0.8 ^°C	2.9 ^°C	-4.6 ^°C	17.2 ^°C (2015)	-22.8 ^°C (2000)
Dewpoint	-3.8 ^°C	-1.1 ^°C	-7.2 ^°C	15.6 ^°C (2015)	-25 ^°C (2011)
Humidity	81.2 ^%	90.8 ^%	67.2 ^%		31 ^% (2011)
Barometer	1019 ^hPa	1023 ^hPa	1014.9 ^hPa	1035.2 ^hPa (2000)	991.9 ^hPa (2015)
Wind Speed	17.1 ^km/h	28.3 ^km/h		51.8 ^km/h (2004)
Wind Gust		54.9 ^km/h		61.2 ^km/h (2008)
Precipitation	12.7 ^mm			60.71 ^mm (2015)

Weather Element	Average
Visibility	9.2 ^km
Wind Direction	S (183.2 °)

Weather Element	Total
Heating Degree Days	19.2 (Base 18.3)
Growing Degree Days	5.8 (Base 10)

Total Years on Record: 20

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