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United States of America

ST. HELENA, CALIFORNIA


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Elevation: 170 feet     Latitude: 38 26N     Longitude: 122 25W

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DAILY WEATHER AVERAGE - JUNE 26
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[ °C ]   °F
Weather ElementAvgAvg HighAvg LowRecord HighRecord Low
Temperature 62.9 °F 78.2 °F 50.6 °F 89.6 °F (2015) 44.6 °F (2012)
Dewpoint 52 °F 55.4 °F 48.2 °F 59 °F (2014) 42.8 °F (2015)
Humidity 71.8 % 98 % 41.3 % 29 % (2012)
Barometer 29.98 in 30.03 in 29.93 in 30.08 in (2012) 29.91 in (2012)
Wind Speed 8 mph 18.4 mph 19.6 mph (2012)
Wind Gust 23.8 mph 27.6 mph (2012)
Precipitation --- --- ()
Weather ElementAverage
Visibility9.3 mi
Wind DirectionWSW (243.5 °)
Weather ElementTotal
Heating Degree Days3.8 (Base 18.3)
Cooling Degree Days5.7 (Base 18.3)
Growing Degree Days14.4 (Base 10)
Total Years on Record: 3
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