# tt_board_temperature_celsius

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## Name

### Prometheus Metric Name

```
tt_board_temperature_celsius
```

### Metric Path (tt-telemetry)

Schema:

```
{hostname}/tray{tray}/chip{chip}/tt_board_temperature_celsius
```

Example path:

```
bh-glx-c09u02/tray1/chip2/tt_board_temperature_celsius
```

## Description

The board temperature in degrees Celsius. This measures the temperature of the board (PCB) rather than the ASIC die itself. This metric is only created if the device reports board temperature data.

## Values

**Type:** Floating Point

**Units:** Degrees Celsius

**Allowable values:**
A floating-point number representing the board temperature. For example, `45.0` means the board is at 45 degrees Celsius.

## Prometheus Labels

|Label Name|Value|
|---|---|
|hostname|The host from which the metric was collected.|
|hall|The datacenter hall where the host is located. Sourced from the Factory System Descriptor (FSD).|
|aisle|The datacenter aisle where the host is located. Sourced from the Factory System Descriptor (FSD).|
|rack|The rack number where the host is located. Sourced from the Factory System Descriptor (FSD).|
|shelf_u|The shelf U position in the rack where the host is located. Sourced from the Factory System Descriptor (FSD).|
|tray|The tray (UBB) that the device is located on.|
|chip|The ASIC location within the tray.|
|unit|The unit of measurement. Always `"°C"` for this metric.|