Accessing data using CPT (ingrid imposes a limit of 3999 points in the degrees-east grid)

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$partialdiff sub Y$ $integral dT$ [ NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic surface pressure climatology ]

Longitude grid: /X (degree_east) periodic (0) to (2.5W) by 2.5 N= 144 pts :grid
Latitude grid: /Y (degree_north) ordered (88.75N) to (88.75S) by 2.5 N= 72 pts :grid
Time grid: /T (months since 1960-01-01) ordered (0000 1 Jan 1960) to (0000 1 Jan 1961) by 1.0 N= 13 pts :grid

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CPTv10+

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