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root mean sq anom $partialdiff sub X$ $integral dY$ [ CMC FCLIMDEX R20 ]

Longitude grid: /X (degree_east) ordered (73.03125W) to (59.46875W) by 0.96875 N= 15 pts :grid
Latitude grid: /Y (degree_north) ordered (14.5N) to (0.5S) by 1.0 N= 16 pts :grid

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