Smith Mountain Lake level graph, updated hourly. Also shows current level and trend (rise or fall rate).
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Select date ranges: 3 days, 1 week, 1 month, 1 year, or a custom range.
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Tap anywhere in the graph to see the exact date, time, and level at that moment.
Tap any special level (any that are surrounded by a blue box) on the Y axis (right side) to see its meaning.