JEWEL CAVE NATIONAL MONUMENT, SOUTH DAKOTA

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Elevation: 5090 feet Latitude: 43 43N Longitude: 103 55W

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DAILY WEATHER AVERAGE - DECEMBER 12

[ °C ] °F

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	28.8 ^°F	38.6 ^°F	18.6 ^°F	62.1 ^°F (2014)	-15 ^°F (2000)
Dewpoint	13.6 ^°F	20.1 ^°F	6.6 ^°F	28 ^°F (2014)	-18.9 ^°F (2007)
Humidity	56.3 ^%	75.9 ^%	37.8 ^%		18 ^% (2007)
Barometer	29.98 ⁱⁿ	30.10 ⁱⁿ	29.82 ⁱⁿ	30.47 ⁱⁿ (2004)	29.64 ⁱⁿ (2012)
Wind Speed	6.6 ^mph	13.8 ^mph		19.6 ^mph (2012)
Wind Gust		24.5 ^mph		27.6 ^mph (2006)
Precipitation	---			--- ()

Weather Element	Average
Visibility	9.4 ^mi
Wind Direction	SSW (211.7 °)

Weather Element	Total
Heating Degree Days	36.5 (Base 18.3)
Growing Degree Days	4.5 (Base 10)

Total Years on Record: 14

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