LEWISTOWN, MONTANA

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Elevation: 4197 feet Latitude: 47 02N Longitude: 109 28W

WEATHER

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DAILY WEATHER AVERAGE - MAY 15

[ °C ] °F

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	52.5 ^°F	64.3 ^°F	39.5 ^°F	80.1 ^°F (2012)	28.9 ^°F (2004)
Dewpoint	34.8 ^°F	40.7 ^°F	29.2 ^°F	53.6 ^°F (2003)	18 ^°F (2012)
Humidity	55.5 ^%	80.5 ^%	33.8 ^%		20 ^% (2012)
Barometer	29.95 ⁱⁿ	30.05 ⁱⁿ	29.84 ⁱⁿ	30.45 ⁱⁿ (2007)	29.54 ⁱⁿ (2000)
Wind Speed	10.5 ^mph	19.3 ^mph		33.4 ^mph (2011)
Wind Gust		30.1 ^mph		44.9 ^mph (2011)
Precipitation	0.09 ⁱⁿ			0.32 ⁱⁿ (2014)

Weather Element	Average
Visibility	10 ^mi
Wind Direction	SSW (187 °)

Weather Element	Total
Heating Degree Days	13.1 (Base 18.3)
Growing Degree Days	6.4 (Base 10)

Total Years on Record: 21

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