data_vars ["cha"]

cha

alt_names	'ch'
name	None
cmap	None
squeeze	None
search_order	'sn'
loc	None
add_loc	False
exclude	False

["attrs"]

standard_name	'averaged_drag_thermal_coefficient_in_air' 'drag_thermal_coefficient_in_air'
long_name	'Averaged drag thermal coefficient' 'Drag thermal coefficient'
units	'W s-2'

["add_coords_loc"]

Empty dictionary

["select"]

Empty dictionary