MGAP CPT[hindcast_date Forecast InputObs target_date CrossValHind PearsonR CFSv2_AtlPac_sst PredErrorVars ]
grid: /X (degree_east) ordered (59.75W) to (52.25W) by 0.5 N= 16 pts :grid
grid: /Y (degree_north) ordered (29.25S) to (35.75S) by 0.5 N= 14 pts :grid
grid: /T2 (months since 1960-01-01) ordered (1980) to (2011) by 12.0 N= 32 pts :grid
grid: /T (months since 01-Jan) ordered (Sep) to (Nov) by 1.0 N= 3 pts :grid
grid: /L (months) ordered (2.5 months) to (4.5 months) by 1.0 N= 3 pts :grid
$partialdiff sub X$ [ MGAP CPT InputObs ][ X Y T2 | T L]

CPTv10+ files for $partialdiff sub X$ [ MGAP CPT InputObs ]