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United States of America

ST. HELENA, CALIFORNIA


Home > North America > United States > California
Elevation: 170 feet     Latitude: 38 26N     Longitude: 122 25W

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DAILY WEATHER AVERAGE - AUGUST 6
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[ °C ]   °F
Weather ElementAvgAvg HighAvg LowRecord HighRecord Low
Temperature 63.3 °F 80.2 °F 54.1 °F 87.8 °F (2015) 51.8 °F (2015)
Dewpoint 56.1 °F 60.8 °F 52.7 °F 68 °F (2014) 50 °F (2015)
Humidity 80.9 % 100 % 44 % 33 % (2012)
Barometer 29.99 in 30.03 in 29.94 in 30.15 in (2012) 29.82 in (2015)
Wind Speed 5.1 mph 11.8 mph 12.7 mph (2012)
Wind Gust 17.7 mph 18.4 mph (2011)
Precipitation --- --- ()
Weather ElementAverage
Visibility9.4 mi
Wind DirectionSW (224.8 °)
Weather ElementTotal
Heating Degree Days0.6 (Base 18.3)
Cooling Degree Days4.8 (Base 18.3)
Growing Degree Days17.1 (Base 10)
Total Years on Record: 4
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WIND DIRECTION BREAKOUT




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