download for $partialdiff sub P$ $integral dP$ [ NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic PressureLevel psi climatology ]

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

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$partialdiff sub P$ $integral dP$ [ NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic PressureLevel psi climatology ]

Longitude grid: /X (degree_east) periodic (0) to (2.5W) by 2.5 N= 144 pts :grid

Latitude grid: /Y (degree_north) ordered (90N) to (90S) by 2.5 N= 73 pts :grid

P grid: /P (mb) ordered [ (1000.0) (925.0) (831.25) (712.5) (600.0) (500.0) (400.0) (312.5) (250.0) (200.0) (150.0) (105.0) (72.5) (50.0) (32.5) (20.0) (10.0)] :grid

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

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Longitude	grid: /X (degree_east) periodic (0) to (2.5W) by 2.5 N= 144 pts :grid
Latitude	grid: /Y (degree_north) ordered (90N) to (90S) by 2.5 N= 73 pts :grid
P	grid: /P (mb) ordered [ (1000.0) (925.0) (831.25) (712.5) (600.0) (500.0) (400.0) (312.5) (250.0) (200.0) (150.0) (105.0) (72.5) (50.0) (32.5) (20.0) (10.0)] :grid
Time	grid: /T (months since 01-Jan) periodic (Jan) to (Dec) by 1.0 N= 12 pts :grid

CPTv10+

cptv10+ tsv datafile.
cptv10+ tsv datafile (gzip compressed).

Older CPT

2D tsv datafile.
2D tsv datafile (gzip compressed)