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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 - JULY 30
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[ °C ]   °F
Weather ElementAvgAvg HighAvg LowRecord HighRecord Low
Temperature 63.9 °F 81.5 °F 54.5 °F 87.8 °F (2012) 48.2 °F (2012)
Dewpoint 56.1 °F 59.5 °F 53.6 °F 62.6 °F (2014) 46.4 °F (2012)
Humidity 79.7 % 98.5 % 44.5 % 33 % (2012)
Barometer 29.98 in 30.03 in 29.94 in 30.08 in (2015) 29.88 in (2012)
Wind Speed 6.4 mph 14.4 mph 16.1 mph (2015)
Wind Gust 19.6 mph 21.9 mph (2015)
Precipitation --- --- ()
Weather ElementAverage
Visibility7.8 mi
Wind DirectionWSW (260.1 °)
Weather ElementTotal
Heating Degree Days1.5 (Base 18.3)
Cooling Degree Days4.5 (Base 18.3)
Growing Degree Days18 (Base 10)
Total Years on Record: 4
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WIND DIRECTION BREAKOUT




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