LEWISTOWN, MONTANA

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

WEATHER

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DAILY WEATHER AVERAGE - 21 APRIL

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	6.1 ^°C	12.8 ^°C	-0.8 ^°C	23.3 ^°C (2009)	-17.2 ^°C (2008)
Dewpoint	-2.9 ^°C	-0.3 ^°C	-5.7 ^°C	5.6 ^°C (2010)	-19.4 ^°C (1998)
Humidity	59.1 ^%	83.4 ^%	35 ^%		14 ^% (1998)
Barometer	1014.9 ^hPa	1018.3 ^hPa	1010.8 ^hPa	1031.8 ^hPa (2005)	1001.4 ^hPa (2010)
Wind Speed	13.7 ^km/h	27.7 ^km/h		46.3 ^km/h (1997)
Wind Gust		39.6 ^km/h		62.9 ^km/h (2010)
Precipitation	10.41 ^mm			25.4 ^mm (2011)

Weather Element	Average
Visibility	14.8 ^km
Wind Direction	SSE (162.2 °)

Weather Element	Total
Heating Degree Days	12.4 (Base 18.3)
Growing Degree Days	2.1 (Base 10)

Total Years on Record: 21

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