The directory includes files of parameter selections and associated ERSSTv5 data Total ensemble of 500 members for example: parameter.ensemble.0001.gz sst2d.ano.2001.last.ensemble.0001.dat.gz the analysis are on 2x2 grids (88S, 0E) is the first grid from 2001 to last (2023/12) the data are written in Sequential, Unformatted, Big_endian format. the data can read as follows: real sst(180,89) open(11,file='sst2d.ano.2001.last.ensemble.0001.dat',form='unformatted',convert='big_endian') do ny=2001,2023 do nm=1,12 read(11) sst enddo enddo