ROCK HILL, SOUTH CAROLINA

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Elevation: 195 meters Latitude: 34 56N Longitude: 081 02W

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DAILY WEATHER AVERAGE - 18 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	5.9 ^°C	11.8 ^°C	0.3 ^°C	22.2 ^°C (2006)	-6.7 ^°C (2007)
Dewpoint	0.2 ^°C	3.6 ^°C	-3.7 ^°C	16.1 ^°C (2008)	-10 ^°C (1999)
Humidity	70.8 ^%	91.2 ^%	40.4 ^%		25 ^% (1999)
Barometer	1020 ^hPa	1024 ^hPa	1016.6 ^hPa	1032.5 ^hPa (2007)	1002 ^hPa (2009)
Wind Speed	6.9 ^km/h	15.6 ^km/h		27.8 ^km/h (2015)
Wind Gust		38.1 ^km/h		46.3 ^km/h (2009)
Precipitation	14.99 ^mm			54.86 ^mm (2009)

Weather Element	Average
Visibility	13.8 ^km
Wind Direction	ESE (106.8 °)

Weather Element	Total
Heating Degree Days	12.3 (Base 18.3)
Growing Degree Days	3.1 (Base 10)

Total Years on Record: 17

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