ST. HELENA, SOUTH DAKOTA

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Elevation: 1241 feet Latitude: 42 51N Longitude: 097 29W

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DAILY WEATHER AVERAGE - FEBRUARY 28

[ °C ] °F

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	26.1 ^°F	35.8 ^°F	15.4 ^°F	60.8 ^°F (2006)	-5.8 ^°F (2001)
Dewpoint	18 ^°F	23.5 ^°F	10.5 ^°F	39.2 ^°F (2004)	-14.8 ^°F (2006)
Humidity	73 ^%	88.6 ^%	53.6 ^%		31 ^% (2006)
Barometer	30.04 ⁱⁿ	30.17 ⁱⁿ	29.91 ⁱⁿ	30.67 ⁱⁿ (2009)	29.19 ⁱⁿ (2012)
Wind Speed	12.7 ^mph	21.6 ^mph		38 ^mph (1998)
Wind Gust		29.7 ^mph		42.6 ^mph (1998)
Precipitation	0.91 ⁱⁿ			1.48 ⁱⁿ (2012)

Weather Element	Average
Visibility	8.3 ^mi
Wind Direction	SSW (208.2 °)

Weather Element	Total
Heating Degree Days	39.4 (Base 18.3)

Total Years on Record: 20

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