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Hi,I’ve followed the forum and i am able to draw a chart with only one value.
I want to draw two values in the same chart, I am going to explain my files.

I have a data base with many values:


I want to draw the 2 temperature values in y axis and the hour in x axis.

If I do only the chart with one value it works, but i don’t know how to draw the second value in html file:




Could anybody help me?