BRANNAN ISLAND, CALIFORNIA

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Elevation: 10 meters Latitude: 38 07N Longitude: 121 42W

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DAILY WEATHER AVERAGE - 10 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	8.7 ^°C	13.7 ^°C	4.3 ^°C	17 ^°C (2010)	-4 ^°C (2013)
Dewpoint	5.9 ^°C	7.8 ^°C	3.2 ^°C	14 ^°C (2004)	-6 ^°C (2013)
Humidity	83.5 ^%	97.5 ^%	59.7 ^%		32 ^% (2007)
Barometer	1019.6 ^hPa	1022.7 ^hPa	1016.9 ^hPa	1034.5 ^hPa (1997)	1002 ^hPa (1996)
Wind Speed	10.3 ^km/h	20.8 ^km/h		61.2 ^km/h (1996)
Wind Gust		48.1 ^km/h		85.1 ^km/h (1996)
Precipitation	---			--- ()

Weather Element	Average
Visibility	15.1 ^km
Wind Direction	ESE (122.2 °)

Weather Element	Total
Heating Degree Days	9.3 (Base 18.3)
Growing Degree Days	2.3 (Base 10)

Total Years on Record: 18

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