CPTv10+ files for mean $partialdiff sub Y$ $integral dX$ [ NOAA NGDC ETOPO2v2 z ]

NOAA NGDC ETOPO2v2[z ]
grid: /X (degree_east) periodic (179.9833W) to (179.9833E) by 0.03333333 N= 10800 pts :grid
grid: /Y (degree_north) ordered (89.98333S) to (89.98333N) by 0.03333333 N= 5400 pts :grid
mean $partialdiff sub Y$ $integral dX$ [ NOAA NGDC ETOPO2v2 z ] [ X |]