JEFFERSON ISLAND, MONTANA

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

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DAILY WEATHER AVERAGE - 16 MAY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	9.6 ^°C	15.7 ^°C	3.1 ^°C	25 ^°C (2012)	-2.2 ^°C (2009)
Dewpoint	0.7 ^°C	3.6 ^°C	-2.7 ^°C	10 ^°C (2005)	-13.9 ^°C (2007)
Humidity	60.7 ^%	86.1 ^%	34.2 ^%		13 ^% (2007)
Barometer	1013.2 ^hPa	1016.9 ^hPa	1009.8 ^hPa	1028.8 ^hPa (2008)	992.6 ^hPa (2005)
Wind Speed	10.6 ^km/h	24.9 ^km/h		37 ^km/h (1997)
Wind Gust		43 ^km/h		64.9 ^km/h (1997)
Precipitation	12.95 ^mm			20.32 ^mm (2005)

Weather Element	Average
Visibility	20 ^km
Wind Direction	SSE (148.7 °)

Weather Element	Total
Heating Degree Days	8.9 (Base 18.3)
Growing Degree Days	2.5 (Base 10)

Total Years on Record: 21

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