Heatmap is one of the easiest way to describe repeatable patterns and find outliers. It is similar to the table, but the cells of the table highlighted with different colors depend on value.
There are few predefined templates available for heat map in By field near time range:
In this example, we can see the pattern of weekly energy consumption. And now we know, on what day and time most energy is consumed.
You can always use your configuration that will match your scenario the best and add required fields as dimansions for the Heat Map.
Here is example that shows
Now it is easy to identify outliers and their dynamic.