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

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$partialdiff sub T$ $integral dY$ [ NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic surface pressure ]

Longitude grid: /X (degree_east) periodic (0) to (2.5W) by 2.5 N= 144 pts :grid
Latitude grid: /Y (degree_north) ordered (91.25N) to (91.25S) by 2.5 N= 74 pts :grid
Time grid: /T (days since 1960-01-01) ordered [ (16 Jan 1949 - 15 Feb 1949) (16 Feb 1949 - 15 Mar 1949) (16 Mar 1949 - 15 Apr 1949) ... (16 Jan 2023 - 15 Feb 2023)] N= 889 pts :grid

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CPTv10+

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