PETALUMA, CALIFORNIA

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Elevation: 0 meters Latitude: 38 14N Longitude: 122 38W

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DAILY WEATHER AVERAGE - 17 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	8.2 ^°C	14.8 ^°C	1.8 ^°C	17 ^°C (2013)	1 ^°C (2011)
Dewpoint	5.6 ^°C	9 ^°C	1.5 ^°C	13 ^°C (2012)	1 ^°C (2013)
Humidity	85.9 ^%	100 ^%	60 ^%		42 ^% (2011)
Barometer	1020.7 ^hPa	1022.7 ^hPa	1018.6 ^hPa	1026.4 ^hPa (2015)	1015.2 ^hPa (2012)
Wind Speed	5.8 ^km/h	15.3 ^km/h		20.4 ^km/h (2012)
Wind Gust		33.3 ^km/h		33.3 ^km/h (2012)
Precipitation	4.32 ^mm			4.32 ^mm (2012)

Weather Element	Average
Visibility	13.2 ^km
Wind Direction	ESE (116.8 °)

Weather Element	Total
Heating Degree Days	10.1 (Base 18.3)

Total Years on Record: 4

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