Same Item on one graph with two data streams?

[JustinG]

See the sample here:

How to overlap an offset time series in OH3? (Corelate yesterdays values vs. today)

You can absolutely compare two time series, no need to be aggregates: [image] The trick is that you have to define two separate time axes on the same “grid”. Then you assign the two series (day before and now) to each of these axes (with xAxisIndex 0 & 1), also giving the second series the proper offsetAmount & offsetUnit. YAML for the above chart: config: chartType: day label: Temperature Comparison sidebar: false visibleTo: - role:administrator slots: dataZoom: - compon…