Southern Oscillation Index (SOI) since 1876

NOTICE: This page URL will soon be removed

The Monthly SOI chart, table and data are located at http://www.bom.gov.au/climate/enso/soi/.
Please update your bookmarks or favourites, links and other page references.

Zoom to:Select period

Use buttons to zoom time or, in graph area, hold Shift key, click and drag. in graph area, pinch in or out to zoom, drag to pan