---
title: "High"
canonical: "https://help.innovyze.com/space/info360/15008009/High"
format: markdown
---
Outputs the highest value within a given sampling interval.

For example, if an hourly sampling interval is applied to a chart, High() will give the maximum raw data point reported over the previous hour.

Specifically, the High() reported value at 2:00, is the maximum of every raw sensor value reported between 1:01 and 2:00.

| **<span style="color: #003366">Parameter</span>** | **<span style="color: #003366">Description</span>** |
| --- | --- |
| **Sensor ID** | The unique ID of the sensor data to be used in the function.<br>> ❌ **Warning:**
> ❌ 
> ❌ This function must be run directly on raw sensor data. An internal function cannot be used (e.g. High(Previous(4))), as this does not pass all the required information |

### Example Usage as an Expression:

High('PRV1-2B.PRV Flow Rate'): Returns the high values for sensor PRV1-2B. PRV Flow Rate over each sampling interval.

### Examples Reference Chart:

The following example shows various reports of daily tank levels overlaid on an [Candlestick Chart](https://help-innovyze.atlassian.net/wiki/display/info360/Historical+Chart+Configuration). The [Open](https://help-innovyze.atlassian.net/wiki/spaces/info360/pages/15008030) and [Close](https://help-innovyze.atlassian.net/wiki/spaces/info360/pages/15007977) value indicate whether the tank experienced a net filling or draining through the day, while [High](https://help-innovyze.atlassian.net/wiki/spaces/info360/pages/15008009) and [Low](https://help-innovyze.atlassian.net/wiki/spaces/info360/pages/15007996) show the range of values that day. The [Average](https://help-innovyze.atlassian.net/wiki/spaces/info360/pages/15007973) value shows the central tendency.

![image](media://66de1398-9d4a-4d8a-8d30-ef9f5cff5104)


For information on setting up custom equations and syntax, please refer to [Analytical Functions](https://help-innovyze.atlassian.net/wiki/spaces/info360/pages/15007825).