ST. HELENA, SOUTH DAKOTA

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

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DAILY WEATHER AVERAGE - 26 NOVEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-1.4 ^°C	3.4 ^°C	-6.1 ^°C	17 ^°C (1998)	-20 ^°C (1996)
Dewpoint	-6.4 ^°C	-2.4 ^°C	-9.7 ^°C	7 ^°C (2004)	-23 ^°C (1998)
Humidity	71 ^%	87.6 ^%	54 ^%		24 ^% (1998)
Barometer	1017.3 ^hPa	1021.3 ^hPa	1012.5 ^hPa	1038.9 ^hPa (1996)	996.6 ^hPa (2005)
Wind Speed	18.8 ^km/h	36 ^km/h		83.4 ^km/h (2001)
Wind Gust		52.1 ^km/h		127.8 ^km/h (2001)
Precipitation	40.64 ^mm			116.33 ^mm (2004)

Weather Element	Average
Visibility	15.4 ^km
Wind Direction	SW (226.9 °)

Weather Element	Total
Heating Degree Days	19.7 (Base 18.3)

Total Years on Record: 21

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