b.e21.B1850.f09_g17.PMIP4-midPliocene-eoi400.001.clm2.h0.
and
b.e21.B1850.f09_g17.CMIP6-piControl.001.clm2.h0.

Set 4 Description: Vertical profiles at selected land raobs stations
'D_' denotes a variable derived from two or more history file variables (lnd_func.ncl)
'C_' denotes a CASA model variable.