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mean $integral deta_rho$ [ OLE2 ROMS-BACKUP temp climatology ]

eta_rho grid: /eta_rho (unitless) ordered (0.0) to (0.0) N= -2147483647 pts :grid
Time grid: /T (months since 01-Jan) periodic (Jan) to (Dec) by 1.0 N= 12 pts :grid

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CPTv10+