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United States of America

ROCKVILLE, MARYLAND


Home > North America > United States > Maryland
Elevation: 415 feet     Latitude: 39 06N     Longitude: 077 06W

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DAILY WEATHER AVERAGE - DECEMBER 17
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[ °C ]   °F
Weather ElementAvgAvg HighAvg LowRecord HighRecord Low
Temperature 36 °F 41.8 °F 29.2 °F 53.6 °F (2012) 10.4 °F (2010)
Dewpoint 27.7 °F 32.2 °F 22.4 °F 51.8 °F (2012) 6.8 °F (2009)
Humidity 73.7 % 92 % 59 % 38 % (2009)
Barometer 30.06 in 30.18 in 29.92 in 30.44 in (2009) 29.57 in (2012)
Wind Speed 5.8 mph 14.2 mph 23 mph (2007)
Wind Gust 27.1 mph 34.5 mph (2007)
Precipitation 0.42 in 0.93 in (2015)
Weather ElementAverage
Visibility7.9 mi
Wind DirectionS (182.9 °)
Weather ElementTotal
Heating Degree Days29.5 (Base 18.3)
Total Years on Record: 9
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