Set custom bounds for the Y-Axis on a graph
You can set custom bounds for the Y-axis on a graph to help you see the data better. For example, you might want to change the bounds on a CPUUtilization graph to 100 percent so that when you look at the graph, it’s very clear if CPU is low (the plotted line is near the bottom of the graph) or high (the plotted line is near the top of the graph).
To set custom bounds for the Y-Axis on a graph
Open the CloudWatch console at https://console.aws.amazon.com/cloudwatch/.
If necessary, change the region. From the navigation bar, select the region that meets your needs. For more information, see Regions and Endpoints in the Amazon Web Services General Reference.
In the navigation pane, click Metrics.
In the CloudWatch Metrics by Category pane, select a category to view available metrics.
Select the check box for one or more metrics to automatically graph them.
To the right of the graph, expand the Left Y-axis section and enter values into the Min and Max fields. The value in the Min field must be less than but not equal to the value in the Max field.
To set custom bounds for the right Y-axis, hover over a line in the graph until the legend appears. In the legend, click switch.
Expand the Right Y-axis section and enter values into the Min and Max fields.