You can scroll the chart horizontally to see data that are out of viewing range by using your mouse. Use this option to view historical data.
To scroll the chart horizontally with the mouse:
Position the cursor anywhere in the body of the chart.
Holding the left mouse button, drag the chart to the right to see historical data. Drag the chart to the left to get back the today's data.
Release the left mouse button when finished. The chart repositions itself vertically in the chart space.