Peak values represent the 5-minute time increment within the report timeframe that has the highest aggregated value. They are calculated based on the data displayed in the report, as determined by your filter settings.
Note that the peak values displayed in both the Executive Summary and in the graphs are always calculated based on 5-minute intervals, even if the data points on a graph represent longer intervals.
Hover over the peak icon on a graph to view the peak details:
Hover over the data point itself to view details about the interval.
If needed, zoom in on the graph until it displays 5-minute intervals, to view the details of a specific 5-minute interval corresponding to a peak.