JEFFERSON ISLAND, MONTANA

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Elevation: 1300 meters Latitude: 45 52N Longitude: 111 57W

WEATHER

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DAILY WEATHER AVERAGE - 23 SEPTEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	9.1 ^°C	18.2 ^°C	0.5 ^°C	28.3 ^°C (2011)	-7.6 ^°C (1996)
Dewpoint	-0.6 ^°C	2.4 ^°C	-4.1 ^°C	8.3 ^°C (2004)	-13.9 ^°C (2011)
Humidity	58.8 ^%	90.3 ^%	27.6 ^%		13 ^% (2011)
Barometer	1019 ^hPa	1023 ^hPa	1015.6 ^hPa	1030.5 ^hPa (1996)	1002 ^hPa (2007)
Wind Speed	8 ^km/h	20.4 ^km/h		35.2 ^km/h (2003)
Wind Gust		39.9 ^km/h		59.2 ^km/h (2007)
Precipitation	10.92 ^mm			26.67 ^mm (2007)

Weather Element	Average
Visibility	21.9 ^km
Wind Direction	SE (139.6 °)

Weather Element	Total
Heating Degree Days	9.1 (Base 18.3)
Growing Degree Days	3.3 (Base 10)

Total Years on Record: 19

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