In this visualization, dry segments are represented by lighter colored pixels. The horizontal axis represents the date, and the vertical axis represents river miles - which increase from downstream to upstream.
> Select year using the slider below
> Click and drag to zoom on a date/river mile range. Double-click to reset zoom
> Use the reach and subreach dropdown menus to focus the vertical axis on those river miles
> Toggle visibility of feature and gage layers to the right of the plot
> The 'Download Data" button generates an Excel file of the entire time series, where cell values of 1 represent dryness and each year is contained in a separate sheet.