Indices standardized tables

Choose the variable you would like a table from: Southern Oscillation Index ,
or complete versions of the following table are available here.

Time	Southern Oscillation Index
months since 1960-01-01
Jan 1882	-1.0
Feb 1882	-0.3
Mar 1882	0.4
Apr 1882	0.0
May 1882	0.5

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