PETALUMA, CALIFORNIA

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

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DAILY WEATHER AVERAGE - 20 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	6.4 ^°C	14 ^°C	-1 ^°C	18 ^°C (2013)	-2 ^°C (2011)
Dewpoint	2.9 ^°C	9 ^°C	-3 ^°C	15 ^°C (2011)	-7 ^°C (2013)
Humidity	84.4 ^%	95.7 ^%	70.3 ^%		18 ^% (2011)
Barometer	1018.6 ^hPa	1020.3 ^hPa	1017.3 ^hPa	1023.7 ^hPa (2015)	1014.2 ^hPa (2013)
Wind Speed	5.3 ^km/h	16.7 ^km/h		22.2 ^km/h (2015)
Wind Gust		31.5 ^km/h		31.5 ^km/h (2015)
Precipitation	36.58 ^mm			36.58 ^mm (2015)

Weather Element	Average
Visibility	13.7 ^km
Wind Direction	ESE (109.3 °)

Weather Element	Total
Heating Degree Days	11.8 (Base 18.3)

Total Years on Record: 3

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