PETALUMA, CALIFORNIA

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

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DAILY WEATHER AVERAGE - 17 MAY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	12.4 ^°C	17.7 ^°C	8 ^°C	20 ^°C (2014)	6 ^°C (2013)
Dewpoint	9.4 ^°C	11.3 ^°C	8 ^°C	13 ^°C (2011)	6 ^°C (2013)
Humidity	84.4 ^%	100 ^%	60.7 ^%		49 ^% (2011)
Barometer	1013.9 ^hPa	1015.2 ^hPa	1012.2 ^hPa	1019 ^hPa (2013)	1007.5 ^hPa (2011)
Wind Speed	11.7 ^km/h	27.8 ^km/h		35.2 ^km/h (2013)
Wind Gust		39.6 ^km/h		44.4 ^km/h (2013)
Precipitation	12.7 ^mm			12.7 ^mm (2011)

Weather Element	Average
Visibility	13.7 ^km
Wind Direction	SSW (205.5 °)

Weather Element	Total
Heating Degree Days	5.5 (Base 18.3)
Growing Degree Days	2.8 (Base 10)

Total Years on Record: 3

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