$partialdiff sub X$ max [ NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic PressureLevel reld ]
| Longitude | grid: /X (degree_east) periodic (1.25W) to (3.75W) by 2.5 N= 144 pts :grid |
|---|---|
| Latitude | grid: /Y (degree_north) ordered (90N) to (90S) by 2.5 N= 73 pts :grid |
| Time | grid: /T (months since 1960-01-01) ordered (16 Jan 1980 - 15 Feb 1980) to (16 Jul 2014 - 15 Aug 2014) by 1.0 N= 415 pts :grid |
