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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 - 31 JULY
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[ °F ]   °C
Weather ElementAvgAvg HighAvg LowRecord HighRecord Low
Temperature 17.1 °C 26 °C 12.5 °C 31 °C (2012) 9 °C (2012)
Dewpoint 13 °C 14.5 °C 12 °C 15 °C (2011) 8 °C (2012)
Humidity 80.2 % 97 % 49.3 % 31 % (2012)
Barometer 1015.2 hPa 1016.6 hPa 1013.9 hPa 1017.9 hPa (2015) 1012.5 hPa (2014)
Wind Speed 10.8 km/h 21.4 km/h 25.9 km/h (2015)
Wind Gust 30.9 km/h 33.3 km/h (2015)
Precipitation --- --- ()
Weather ElementAverage
Visibility12.9 km
Wind DirectionW (272.7 °)
Weather ElementTotal
Heating Degree Days1.3 (Base 18.3)
Cooling Degree Days1.7 (Base 18.3)
Growing Degree Days9.3 (Base 10)
Total Years on Record: 4
WEATHER CONDITIONS BREAKOUT
WIND DIRECTION BREAKOUT




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