ROCK HILL, SOUTH CAROLINA

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Elevation: 639 feet Latitude: 34 56N Longitude: 081 02W

WEATHER

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DAILY WEATHER AVERAGE - DECEMBER 20

[ °C ] °F

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	41.2 ^°F	50.3 ^°F	31.8 ^°F	66 ^°F (2008)	14 ^°F (2004)
Dewpoint	30 ^°F	36 ^°F	22.9 ^°F	60.8 ^°F (2008)	-9.9 ^°F (2004)
Humidity	68.7 ^%	86.3 ^%	45.3 ^%		18 ^% (2004)
Barometer	30.17 ⁱⁿ	30.26 ⁱⁿ	30.06 ⁱⁿ	30.61 ⁱⁿ (2015)	29.61 ⁱⁿ (2002)
Wind Speed	4.6 ^mph	10.2 ^mph		23 ^mph (2002)
Wind Gust		22.2 ^mph		29.9 ^mph (2002)
Precipitation	0.42 ⁱⁿ			1.93 ⁱⁿ (2002)

Weather Element	Average
Visibility	8.5 ^mi
Wind Direction	SE (136.8 °)

Weather Element	Total
Heating Degree Days	24 (Base 18.3)
Growing Degree Days	6.3 (Base 10)

Total Years on Record: 16

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