KEYSTONE, SOUTH DAKOTA

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Elevation: 4957 feet Latitude: 43 53N Longitude: 103 27W

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DAILY WEATHER AVERAGE - MAY 15

[ °C ] °F

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	50.8 ^°F	62.3 ^°F	36.2 ^°F	72 ^°F (2001)	(2014)
Dewpoint	34 ^°F	40.6 ^°F	27.6 ^°F	50 ^°F (1996)	15.1 ^°F (2000)
Humidity	57.2 ^%	81.9 ^%	35.1 ^%		16 ^% (2000)
Barometer	29.95 ⁱⁿ	30.05 ⁱⁿ	29.85 ⁱⁿ	30.37 ⁱⁿ (2006)	29.52 ⁱⁿ (2001)
Wind Speed	6.6 ^mph	13.8 ^mph		21.9 ^mph (2015)
Wind Gust		22.2 ^mph		32.2 ^mph (2015)
Precipitation	0.72 ⁱⁿ			1.40 ⁱⁿ (2015)

Weather Element	Average
Visibility	8.7 ^mi
Wind Direction	SSE (145.9 °)

Weather Element	Total
Heating Degree Days	15.8 (Base 18.3)
Growing Degree Days	5.9 (Base 10)

Total Years on Record: 15

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