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Clarify state class total (#1082)

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Erik Montnemery 2021-10-13 11:25:45 +02:00 committed by GitHub
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docs/core/entity/sensor.md
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@ -59,7 +59,7 @@ If specifying a device class, your sensor entity will need to also return the co
| Type | Description
| ---- | -----------
| measurement | The state represents _a measurement in present time_, not a historical aggregation such as statistics or a prediction of the future. Examples of what should be classified `measurement` are: current temperature, humidify or electric power. Examples of what should not be classified as `measurement`: Forecasted temperature for tomorrow, yesterday's energy consumption or anything else that doesn't include the _current_ measurement. For supported sensors, statistics of hourly min, max and average sensor readings is updated every 5 minutes.
| total | The state represents a total amount that can both increase and decrease, e.g. a net energy meter. Statistics of the accumulated growth or decline of the sensor's value since it was first added is updated every 5 minutes.
| total | The state represents a total amount that can both increase and decrease, e.g. a net energy meter. Statistics of the accumulated growth or decline of the sensor's value since it was first added is updated every 5 minutes. This state class should not be used for sensors where the absolute value is interesting instead of the accumulated growth or decline, for example remaining battery capacity or CPU load; in such cases state class `measurement` should be used instead.
| total_increasing | Similar to `total`, with the restriction that the state represents a monotonically increasing positive total, e.g. a daily amount of consumed gas, weekly water consumption or lifetime energy consumption. Statistics of the accumulated growth of the sensor's value since it was first added is updated every 5 minutes.