download for $partialdiff sub P$ $partialdiff sub Y$ [ NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic PressureLevel rhum ]

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

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$partialdiff sub P$ $partialdiff sub Y$ [ NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic PressureLevel rhum ]

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

P grid: /P (mb) ordered [ (925.0) (831.25) (712.5) (600.0) (500.0) (400.0)] :grid

Time grid: /T (months since 1960-01-01) ordered (Jan 1949) to (Feb 2023) by 1.0 N= 890 pts :grid

Get the data for

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
P	grid: /P (mb) ordered [ (925.0) (831.25) (712.5) (600.0) (500.0) (400.0)] :grid
Time	grid: /T (months since 1960-01-01) ordered (Jan 1949) to (Feb 2023) by 1.0 N= 890 pts :grid

CPTv10+

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

Older CPT

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