In this video, Grafana Developer Advocate Leandro Melendez describes how Bar gauges simplify data by reducing every field to a single value while choosing how Grafana calculates the reduction.
He will show you how this panel can show one or more bar gauges depending on how many series, rows, or columns your query returns.
For more information on this visualization check the Bar Gauge Panel documentation link:
https://grafana.com/docs/grafana/latest/panels-visualizations/visualizations/bar-gauge/

DATA USED
Multiple
Name, value1, value2, value3
Leandro, 10, 20, 30
Grot, 40, 80, 100

Just one
Name, value1
Grot, 40

Max Min included
Name, value, max, min
Leandro, 10, 30, 0

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TIMESTAMPS

00:00 Start Bar Gauges

00:28 What are Bar Gauge Visualizations

01:13 Creating Bar Gauge Visualizations

02:40 Data needs for Bar Gauge Visualizations

05:05 Customizing Bar Gauge Visualizations

10:06 Closing