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Climatology

OI Diagram

Climatology is interpolated from 1 degree monthly file to 1/4 degree daily grid file.
The base period is 1971-2000. This climatology is described in:

http://www.cpc.noaa.gov/products/predictions/30day/SSTs/sst_clim.html

and paper at:

Xue, Y., T. M. Smith, and R. W. Reynolds, 2003: Interdecadal changes of 30-yr SST normals during 1871-2000. J. Climate, 16, 1601-1612.