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United States of America

ST. HELENA, CALIFORNIA


Home > North America > United States > California
Elevation: 52 meters     Latitude: 38 26N     Longitude: 122 25W

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DAILY WEATHER AVERAGE - 8 JULY
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[ °F ]   °C
Weather ElementAvgAvg HighAvg LowRecord HighRecord Low
Temperature 16.3 °C 24.3 °C 11.3 °C 28 °C (2014) 8 °C (2012)
Dewpoint 12.3 °C 14 °C 10.3 °C 16 °C (2014) 7 °C (2012)
Humidity 79.5 % 98 % 50 % 41 % (2012)
Barometer 1013.5 hPa 1014.9 hPa 1012.5 hPa 1017.3 hPa (2012) 1010.8 hPa (2015)
Wind Speed 10.9 km/h 24.1 km/h 27.8 km/h (2015)
Wind Gust 34 km/h 40.7 km/h (2015)
Precipitation --- --- ()
Weather ElementAverage
Visibility14.8 km
Wind DirectionWSW (240.1 °)
Weather ElementTotal
Heating Degree Days1.6 (Base 18.3)
Cooling Degree Days1.7 (Base 18.3)
Growing Degree Days7.8 (Base 10)
Total Years on Record: 3
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WIND DIRECTION BREAKOUT




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