CASTLE ROCK, COLORADO

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Elevation: 1902 meters Latitude: 39 22N Longitude: 104 52W

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DAILY WEATHER AVERAGE - 18 SEPTEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	13.1 ^°C	21.2 ^°C	5.1 ^°C	27 ^°C (2010)	-3 ^°C (2003)
Dewpoint	1.7 ^°C	5.1 ^°C	-1.9 ^°C	12 ^°C (2004)	-12 ^°C (2005)
Humidity	51.2 ^%	81.6 ^%	28.1 ^%		7 ^% (2005)
Barometer	1021.7 ^hPa	1023.7 ^hPa	1019.3 ^hPa	1027.8 ^hPa (2011)	1009.5 ^hPa (2002)
Wind Speed	14 ^km/h	27.5 ^km/h		42.6 ^km/h (2014)
Wind Gust		39.9 ^km/h		57.5 ^km/h (2013)
Precipitation	10.92 ^mm			10.92 ^mm (2002)

Weather Element	Average
Visibility	15.4 ^km
Wind Direction	SSW (193.9 °)

Weather Element	Total
Heating Degree Days	5.2 (Base 18.3)
Growing Degree Days	4.4 (Base 10)

Total Years on Record: 15

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