ST. HELENA, SOUTH DAKOTA

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

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DAILY WEATHER AVERAGE - 18 NOVEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	2 ^°C	8.2 ^°C	-3.8 ^°C	16 ^°C (1999)	(2015)
Dewpoint	-3.1 ^°C	0.9 ^°C	-7.2 ^°C	10 ^°C (2001)	-18 ^°C (2003)
Humidity	71 ^%	87.8 ^%	51 ^%		31 ^% (2003)
Barometer	1014.9 ^hPa	1020.3 ^hPa	1009.5 ^hPa	1034.9 ^hPa (2008)	988.1 ^hPa (2015)
Wind Speed	17.9 ^km/h	34.4 ^km/h		68.6 ^km/h (2015)
Wind Gust		61.8 ^km/h		146.3 ^km/h (2009)
Precipitation	14.48 ^mm			15.49 ^mm (2015)

Weather Element	Average
Visibility	15.3 ^km
Wind Direction	SSW (197.3 °)

Weather Element	Total
Heating Degree Days	16.1 (Base 18.3)

Total Years on Record: 20

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