data_vars ["ptemp"]

ptemp

cmap	'cmo.thermal'
name	None
alt_names
squeeze	None
search_order	'sn'
loc	None
add_loc	False
exclude	False

["attrs"]

standard_name	'sea_water_potential_temperature'
long_name	'Potential temperature'
units	'degrees_celsius'

["add_coords_loc"]

Empty dictionary

["select"]

Empty dictionary