Rather than chart all traffic using multiple data series, you can note only the peak times and chart these times on a graph's vertical axis. Prepare the Data Type your data into a spreadsheet.

Enable Chart Tool options by clicking anywhere within an Excel 2007 or 2010 chart whose information you want to modify. Click Design on the main menu, then Layout and finally, select Axis Title or ...

If an Excel chart’s vertical axis is incremented by 20,000, and most of its data points are between 70,000 and 550,000, the chart will look somewhat crowded at the top if the horizontal axis ...

If you make charts on the internet, angry email about those charts is inevitable. Especially if your charts sometimes use a y-axis that starts at a number other than zero.