LEWISTOWN, MONTANA

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Elevation: 1279 meters Latitude: 47 02N Longitude: 109 28W

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DAILY WEATHER AVERAGE - 22 SEPTEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	10.9 ^°C	18.7 ^°C	3.1 ^°C	28.3 ^°C (2011)	-5 ^°C (2000)
Dewpoint	1.1 ^°C	4 ^°C	-1.7 ^°C	13.9 ^°C (2014)	-8.4 ^°C (2011)
Humidity	56.5 ^%	82.6 ^%	32.6 ^%		12 ^% (2011)
Barometer	1015.9 ^hPa	1019.6 ^hPa	1012.9 ^hPa	1028.8 ^hPa (2009)	1000 ^hPa (2013)
Wind Speed	14 ^km/h	26.6 ^km/h		46.3 ^km/h (1996)
Wind Gust		44.1 ^km/h		55.5 ^km/h (1996)
Precipitation	2.03 ^mm			4.83 ^mm (2006)

Weather Element	Average
Visibility	15.8 ^km
Wind Direction	SSE (171.1 °)

Weather Element	Total
Heating Degree Days	7.4 (Base 18.3)
Growing Degree Days	4.1 (Base 10)

Total Years on Record: 21

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