failed to merge into a single cube.
  cube.standard_name differs: 'air_temperature' != 'air_pressure'
  cube.var_name differs: 'Arthur' != 'Nudge'
  cube.attributes keys differ: 'stuffed'
  cube.cell_methods differ
  cube.shape differs: (3,) != (2,)
  cube data dtype differs: int64 != int8