doc[]
MGAP CPT[Forecast PredErrorVars hindcast_date InputObs CFSv2_AtlPac_sst CrossValHind PearsonR target_date ]
grid: /X (degree_east) ordered (59.75W) to (52.25W) by 0.5 N= 16 pts :grid
grid: /S (months since 1960-01-01) ordered [ (Sep 2012) (Oct 2012) (Nov 2012 - Aug 2013) (Sep 2013) (Oct 2013)] :grid
grid: /L (months) ordered (2.5 months) to (4.5 months) by 1.0 N= 3 pts :grid
mean [ MGAP CPT PredErrorVars ][ X | S L]

CPTv10+ files for mean [ MGAP CPT PredErrorVars ]