HELENA - AIRPORT, MONTANA

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Elevation: 1190 meters Latitude: 46 35N Longitude: 111 55W

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DAILY WEATHER AVERAGE - 21 SEPTEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	11.4 ^°C	19.3 ^°C	4.3 ^°C	28 ^°C (2001)	-6.1 ^°C (1995)
Dewpoint	0.8 ^°C	3.4 ^°C	-2.1 ^°C	8.3 ^°C (2014)	-7.8 ^°C (2001)
Humidity	52.9 ^%	77.8 ^%	29.5 ^%		13 ^% (2001)
Barometer	1018.6 ^hPa	1022 ^hPa	1014.6 ^hPa	1040 ^hPa (1995)	999.7 ^hPa (2013)
Wind Speed	9.7 ^km/h	23.2 ^km/h		40.7 ^km/h (2000)
Wind Gust		38.3 ^km/h		53.8 ^km/h (2000)
Precipitation	4.06 ^mm			5.84 ^mm (2006)

Weather Element	Average
Visibility	15.6 ^km
Wind Direction	SSE (156 °)

Total Years on Record: 20

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