Accessing data using CPT

You are downloading

mean [ NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic total_air_column PWAT ]

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

Get the data for

CPTv10+

Older CPT