data_vars ["pa"]

pa

alt_names	'psl'
name	None
cmap	None
squeeze	None
search_order	'sn'
add_loc	False

["attrs"]

standard_name	'air_pressure_at_sea_level' 'air_pressure_at_mean_sea_level'
long_name	'Absolute pressure'
units	'Pa'

["select"]

Empty dictionary