HELENA, MONTANA

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Elevation: 1220 meters Latitude: 46 36N Longitude: 112 00W

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DAILY WEATHER AVERAGE - 21 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-6 ^°C	-1.4 ^°C	-10.4 ^°C	6.7 ^°C (2014)	-29.4 ^°C (1998)
Dewpoint	-10.5 ^°C	-7.4 ^°C	-13.8 ^°C	1.7 ^°C (2014)	-32.8 ^°C (2007)
Humidity	72.6 ^%	87.6 ^%	54.7 ^%		26 ^% (2007)
Barometer	1019.6 ^hPa	1026.1 ^hPa	1013.2 ^hPa	1045.4 ^hPa (1998)	992.9 ^hPa (2015)
Wind Speed	9 ^km/h	21.4 ^km/h		61.2 ^km/h (2014)
Wind Gust		50.2 ^km/h		79.7 ^km/h (2014)
Precipitation	2.79 ^mm			5.08 ^mm (2001)

Weather Element	Average
Visibility	13.2 ^km
Wind Direction	SSE (150.1 °)

Weather Element	Total
Heating Degree Days	24.3 (Base 18.3)

Total Years on Record: 21

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