PETALUMA, CALIFORNIA

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

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DAILY WEATHER AVERAGE - 4 SEPTEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	15.1 ^°C	24.7 ^°C	9 ^°C	27 ^°C (2012)	6 ^°C (2015)
Dewpoint	10.3 ^°C	11.7 ^°C	8.7 ^°C	14 ^°C (2011)	5 ^°C (2015)
Humidity	77.7 ^%	100 ^%	39.7 ^%		29 ^% (2012)
Barometer	1013.5 ^hPa	1014.9 ^hPa	1012.5 ^hPa	1017.3 ^hPa (2012)	1010.5 ^hPa (2015)
Wind Speed	10.9 ^km/h	25.3 ^km/h		31.5 ^km/h (2015)
Wind Gust		34 ^km/h		40.7 ^km/h (2015)
Precipitation	---			--- ()

Weather Element	Average
Visibility	12.7 ^km
Wind Direction	WSW (236 °)

Weather Element	Total
Heating Degree Days	1.5 (Base 18.3)
Growing Degree Days	6.8 (Base 10)

Total Years on Record: 3

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