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min [ NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic PressureLevel CBTMW ]

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

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