PORTOLA VALLEY, CALIFORNIA

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Elevation: 107 meters Latitude: 37 24N Longitude: 122 14W

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DAILY WEATHER AVERAGE - 20 SEPTEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	20.5 ^°C	26.4 ^°C	14.4 ^°C	35 ^°C (2003)	10 ^°C (2004)
Dewpoint	11.7 ^°C	14.4 ^°C	8.8 ^°C	19 ^°C (2003)	2 ^°C (2015)
Humidity	61.1 ^%	83.2 ^%	40.1 ^%		15 ^% (2003)
Barometer	1012.9 ^hPa	1014.6 ^hPa	1011.5 ^hPa	1020.7 ^hPa (2004)	1003 ^hPa (2000)
Wind Speed	12.1 ^km/h	22.9 ^km/h		37 ^km/h (1998)
Wind Gust		32.2 ^km/h		35.2 ^km/h (2013)
Precipitation	---			--- ()

Weather Element	Average
Visibility	27 ^km
Wind Direction	SSW (192.4 °)

Total Years on Record: 21

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