Node-RED can trend MySQL data. MYSQL example to chart data (flow) - Node-RED
Might be worth looking at and see if it will do what you want.
Otherwise, if you are happy to get your hands dirty; Plot a graph from MySQL data
Node-RED can trend MySQL data. MYSQL example to chart data (flow) - Node-RED
Might be worth looking at and see if it will do what you want.
Otherwise, if you are happy to get your hands dirty; Plot a graph from MySQL data