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root mean sq anom [ NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic surface pressure anomalies ]

Latitude grid: /Y (degree_north) ordered (90N) to (90S) by 2.5 N= 73 pts :grid
Time grid: /T (days since 1960-01-01) (360) ordered [ (0000 1 May 1980 - 0000 2 May 1980) (0000 1 Jun 1980 - 0000 2 Jun 1980) (0000 1 Jul 1980 - 0000 2 Jul 1980) ... (0002 2 Jun 2015 - 0002 3 Jun 2015)] N= 252 pts :grid

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