Summary table
- Last UpdatedSep 24, 2025
- 2 minute read
By default, data source information is summarized in a table shown below the trend.
The summary table shows one row per trace. Click 
to hide or show the summary table. When the summary table is hidden, the data items
are shown in a legend on the right side of the trend.
|
Column Name |
Column Description |
|---|---|
|
Name |
The name as defined for the PI AF attribute, PI tag, or Calculation added to the ad hoc trend. |
|
Description |
The description field as defined in the PI AF attribute, PI tag, or calculation added to the ad hoc trend. |
|
Value |
The current value for the ad hoc trend based on the given time period in the timebar. |
|
Units |
The units configured for the PI AF attribute, PI tag, or Calculation added to the ad hoc trend. |
|
Average |
The average of the values for the data item or expression added to the ad hoc trend for the given time period in the timebar. |
|
Minimum |
The lowest data value present for the data item or expression added to the ad hoc trend for the given time period in the timebar. |
|
Maximum |
The highest data value present for the data item or expression added to the ad hoc trend for the given time period in the timebar. |
|
Bottom |
The lowest number visible on the y-axis for the ad hoc trend. This is an editable field. |
|
Top |
The highest number visible on the y-axis for the ad hoc trend. This is an editable field. |
Summary data is shown for the time range of the ad hoc trend. Summary data shows the current value at the reference time (typically end time) of the trend time range, and the average, minimum, and maximum value over the time range. A summary table can be customized by inputting new values in its editable fields.