ROCK ISLAND, ILLINOIS

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Elevation: 622 feet Latitude: 41 34N Longitude: 090 25W

WEATHER

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DAILY WEATHER AVERAGE - DECEMBER 13

[ °C ] °F

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	30.6 ^°F	37.3 ^°F	23.8 ^°F	63 ^°F (2015)	-9 ^°F (2000)
Dewpoint	25.1 ^°F	30.1 ^°F	19 ^°F	60.1 ^°F (2015)	-13 ^°F (2011)
Humidity	81.2 ^%	90.8 ^%	67.2 ^%		31 ^% (2011)
Barometer	30.09 ⁱⁿ	30.21 ⁱⁿ	29.97 ⁱⁿ	30.57 ⁱⁿ (2000)	29.29 ⁱⁿ (2015)
Wind Speed	10.6 ^mph	17.6 ^mph		32.2 ^mph (2004)
Wind Gust		34.1 ^mph		38 ^mph (2008)
Precipitation	0.50 ⁱⁿ			2.39 ⁱⁿ (2015)

Weather Element	Average
Visibility	5.7 ^mi
Wind Direction	S (183.2 °)

Weather Element	Total
Heating Degree Days	34.5 (Base 18.3)
Growing Degree Days	10.5 (Base 10)

Total Years on Record: 20

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