ST. HELENA, SOUTH DAKOTA

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Elevation: 378 meters Latitude: 42 51N Longitude: 097 29W

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DAILY WEATHER AVERAGE - 22 MARCH

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	3.8 ^°C	9.6 ^°C	-1.4 ^°C	19 ^°C (2010)	-13 ^°C (2006)
Dewpoint	-2.2 ^°C	0.5 ^°C	-5.3 ^°C	14 ^°C (2012)	-19 ^°C (2004)
Humidity	68.2 ^%	86.3 ^%	48.1 ^%		26 ^% (2004)
Barometer	1017.3 ^hPa	1021.3 ^hPa	1013.5 ^hPa	1036.2 ^hPa (2002)	993.2 ^hPa (2011)
Wind Speed	15.9 ^km/h	30.6 ^km/h		50.1 ^km/h (2009)
Wind Gust		45.1 ^km/h		66.6 ^km/h (2009)
Precipitation	5.84 ^mm			8.64 ^mm (2011)

Weather Element	Average
Visibility	14.3 ^km
Wind Direction	SSE (165.6 °)

Weather Element	Total
Heating Degree Days	14.3 (Base 18.3)
Growing Degree Days	1.8 (Base 10)

Total Years on Record: 22

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