With this method you can create a time axis to use with new CFVariable instances.
makeTimeAxis(name, values, attributes = NULL)A CFAxisTime instance.
Name of the axis.
A CFTime or CFClimatology instance with time values and
optionally bounds set.
data.frame with the attributes of the axis to create.
Attributes "standard_name", "units", "calendar", "actual_range" and "axis"
will be set or updated.