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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 - SEPTEMBER 23
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[ °C ]   °F
Weather ElementAvgAvg HighAvg LowRecord HighRecord Low
Temperature 67.5 °F 77.3 °F 56.9 °F 95 °F (1997) 51.8 °F (2010)
Dewpoint 52.8 °F 57.1 °F 48.2 °F 62.6 °F (2003) 28.4 °F (2010)
Humidity 62.4 % 83 % 41.6 % 21 % (2010)
Barometer 29.94 in 29.99 in 29.90 in 30.04 in (2004) 29.68 in (1997)
Wind Speed 7.6 mph 12.8 mph 20.7 mph (1995)
Wind Gust 19.6 mph 19.6 mph (2013)
Precipitation --- --- ()
Weather ElementAverage
Visibility15.2 mi
Wind DirectionSSW (197.5 °)
Weather ElementTotal
Heating Degree Days1.9 (Base 18.3)
Cooling Degree Days4.1 (Base 18.3)
Growing Degree Days17.1 (Base 10)
Total Years on Record: 21
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WIND DIRECTION BREAKOUT




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