CPTv10+ files for $partialdiff sub X$ [ NOAA NCDC ERSST version3b sst ] climatology

NOAA NCDC ERSST version3b[anom sst IOD ]
grid: /X (degree_east) periodic (0) to (2W) by 2.0 N= 180 pts :grid
grid: /Y (degree_north) ordered (88S) to (88N) by 2.0 N= 89 pts :grid
grid: /T (months since 1960-01-01) ordered (Jan 1854) to (Feb 2020) by 1.0 N= 1994 pts :grid
$partialdiff sub X$ [ NOAA NCDC ERSST version3b sst ] climatology 0.0 meters[ X Y zlev T |]