# xarray.CFTimeIndex.is_monotonic_decreasing

#### *property* CFTimeIndex.is_monotonic_decreasing

Return a boolean if the values are equal or decreasing.

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

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

#### SEE ALSO
`Index.is_monotonic_increasing`
: Check if the values are equal or increasing.

### Examples

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

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