LEWISTOWN, MONTANA

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

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DAILY WEATHER AVERAGE - 16 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-3.3 ^°C	1.8 ^°C	-10.1 ^°C	9.4 ^°C (2004)	-30 ^°C (2008)
Dewpoint	-9.2 ^°C	-5.6 ^°C	-14.3 ^°C	-0.6 ^°C (2009)	-33.9 ^°C (2004)
Humidity	66 ^%	79 ^%	51.4 ^%		29 ^% (2004)
Barometer	1017.3 ^hPa	1022.4 ^hPa	1011.5 ^hPa	1038.3 ^hPa (2000)	990.5 ^hPa (2002)
Wind Speed	20.3 ^km/h	36.7 ^km/h		61.2 ^km/h (2001)
Wind Gust		52.1 ^km/h		77.7 ^km/h (2001)
Precipitation	0.76 ^mm			0.76 ^mm (2006)

Weather Element	Average
Visibility	14.8 ^km
Wind Direction	SSW (213.5 °)

Weather Element	Total
Heating Degree Days	22.4 (Base 18.3)

Total Years on Record: 21

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