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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 27
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[ °C ]   °F
Weather ElementAvgAvg HighAvg LowRecord HighRecord Low
Temperature 63.9 °F 84.8 °F 51.2 °F 91.4 °F (2015) 48.2 °F (2012)
Dewpoint 52.3 °F 57.2 °F 45.2 °F 59 °F (2011) 39.2 °F (2015)
Humidity 72.7 % 98 % 34.3 % 17 % (2011)
Barometer 30.00 in 30.05 in 29.95 in 30.08 in (2015) 29.91 in (2011)
Wind Speed 5.1 mph 13.8 mph 16.1 mph (2015)
Wind Gust 20 mph 21.9 mph (2015)
Precipitation --- --- ()
Weather ElementAverage
Visibility8.3 mi
Wind DirectionWSW (231.2 °)
Weather ElementTotal
Heating Degree Days0.6 (Base 18.3)
Cooling Degree Days4.8 (Base 18.3)
Growing Degree Days18 (Base 10)
Total Years on Record: 3
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WIND DIRECTION BREAKOUT




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