I have looked at Highcharts but when hovering the mouse over a data point on the graph, only that data point value and time stamp were displayed. I needed to move my mouse to each input graph line to see the data point value for that input.
My desire is to have 1-3 inputs displayed on a graph. Hovering my mouse would show a data point balloon listing values (temp) for all 1-3 inputs at that particular time for comparison. Maybe this is a function of Highcharts but I couldn’t find any information regarding this feature.