# xarray.CFTimeIndex.is_monotonic_increasing

#### *property* CFTimeIndex.is_monotonic_increasing

Return a boolean if the values are equal or increasing.

A monotonically increasing index has values that are equal to or
greater than the preceding value. This is useful for checking if
an index is sorted in non-decreasing order.

* **Returns:**
  [`bool`](https://docs.python.org/3/builtins/functions.html#bool)

#### SEE ALSO
`Index.is_monotonic_decreasing`
: Check if the values are equal or decreasing.

### Examples

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```pycon
>>> pd.Index([1, 2, 3]).is_monotonic_increasing
True
>>> pd.Index([1, 2, 2]).is_monotonic_increasing
True
>>> pd.Index([1, 3, 2]).is_monotonic_increasing
False
```

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