$partialdiff sub P$ [ NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic PressureLevel vtemp ]
| 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 [ (962.5) (887.5) (775.0) (650.0) (550.0) (450.0) (350.0)] :grid |
| Time | grid: /T (days since 1960-01-01) ordered [ (Jan 1980) (Feb 1980) (Mar 1980) ... (Aug 2014)] N= 416 pts :grid |
