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United States of America

PORTOLA VALLEY, CALIFORNIA


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Elevation: 350 feet     Latitude: 37 24N     Longitude: 122 14W

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DAILY WEATHER AVERAGE - OCTOBER 8
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[ °C ]   °F
Weather ElementAvgAvg HighAvg LowRecord HighRecord Low
Temperature 66.4 °F 77 °F 55.7 °F 100.4 °F (1996) 50 °F (2010)
Dewpoint 52.1 °F 57.4 °F 46.4 °F 62.6 °F (1996) 39.2 °F (1996)
Humidity 63.4 % 86.8 % 39.2 % 19 % (1996)
Barometer 29.99 in 30.05 in 29.94 in 30.26 in (2012) 29.74 in (2000)
Wind Speed 8 mph 14 mph 23 mph (2003)
Wind Gust 21.5 mph 23 mph (2004)
Precipitation --- --- ()
Weather ElementAverage
Visibility17.8 mi
Wind DirectionSSW (195 °)
Weather ElementTotal
Heating Degree Days3.4 (Base 18.3)
Cooling Degree Days4.6 (Base 18.3)
Growing Degree Days16.4 (Base 10)
Total Years on Record: 20
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