cf.CoordinateBounds.mask

CoordinateBounds.mask

A variable containing the mask of the data array.

Examples:

>>> f
<CF Variable: air_temperature(12, 73, 96) K>
>>> m = f.mask
>>> m
<CF Variable: long_name:mask(12, 73, 96) >
>>> m.data
<CF Data: [[[True, ..., False]]] >