$partialdiff sub T$ $partialdiff sub X$ [ NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic MSL pressure ]
| 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 (days since 1960-01-01) ordered [ (1200 16 Jan 1949 - 2400 14 Feb 1949) (0000 15 Feb 1949 - 1200 16 Mar 1949) (1200 16 Mar 1949 - 2400 15 Apr 1949) ... (0000 16 Apr 2021 - 1200 16 May 2021)] N= 868 pts :grid |