ROCKY BOY, MONTANA

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Elevation: 1207 meters Latitude: 48 15N Longitude: 109 47W

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DAILY WEATHER AVERAGE - 11 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-4.8 ^°C	0.7 ^°C	-11 ^°C	12.8 ^°C (2004)	-32.8 ^°C (2000)
Dewpoint	-9.2 ^°C	-6.1 ^°C	-13.6 ^°C	2.8 ^°C (2004)	-36.7 ^°C (1999)
Humidity	73.5 ^%	87.6 ^%	56.9 ^%		36 ^% (1999)
Barometer	1016.3 ^hPa	1021.3 ^hPa	1011.2 ^hPa	1040.6 ^hPa (2000)	996.6 ^hPa (1996)
Wind Speed	18.5 ^km/h	32.3 ^km/h		62.9 ^km/h (2004)
Wind Gust		52.3 ^km/h		76 ^km/h (2004)
Precipitation	1.52 ^mm			1.78 ^mm (1995)

Weather Element	Average
Visibility	15.4 ^km
Wind Direction	S (184.3 °)

Weather Element	Total
Heating Degree Days	23.5 (Base 18.3)

Total Years on Record: 21

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