BOULDER, MONTANA

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Elevation: 1496 meters Latitude: 46 14N Longitude: 112 06W

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DAILY WEATHER AVERAGE - 18 SEPTEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	9.7 ^°C	17.3 ^°C	3.1 ^°C	27.2 ^°C (2009)	-4.4 ^°C (2006)
Dewpoint	2.1 ^°C	5.3 ^°C	-1.2 ^°C	10.4 ^°C (2000)	-11.1 ^°C (2008)
Humidity	64.8 ^%	89.5 ^%	35.2 ^%		8 ^% (2008)
Barometer	1016.6 ^hPa	1020 ^hPa	1013.2 ^hPa	1027.4 ^hPa (2003)	1004.1 ^hPa (1998)
Wind Speed	9.5 ^km/h	23 ^km/h		33.3 ^km/h (2007)
Wind Gust		37.5 ^km/h		48.1 ^km/h (2007)
Precipitation	10.16 ^mm			27.94 ^mm (2007)

Weather Element	Average
Visibility	20 ^km
Wind Direction	SSE (157.9 °)

Weather Element	Total
Heating Degree Days	8.2 (Base 18.3)
Growing Degree Days	3.4 (Base 10)

Total Years on Record: 20

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