For example, you could show line graphs for temperature and humidity on top of each other. For this purpose, Excel lets you add a series of data to a chart and plot it on a second y-axis.

How to Make Your Graph to the Same Scale on a Vertical & Horizontal Axis in Excel. When you create a graph in Excel, the software automatically sizes the X and Y axis lines, so the data you want ...

You can make a bar graph in Excel by first selecting the range you want to depict, and then using the dropdown menu to select the desired chart.