Latest Southern Oscillation Index values
19 July 2016: Please note that our daily SOI data service is currently subject to intermittent disruption due to data supply problems. We are endeavouring to create a reliable system and anticipate it should be in operation by 1 August 2016.
|Average for last 30 days||3.56|
|Average for last 90 days||2.09|
|Daily contribution to SOI calculation||19.39|
Note: Calculated using the 1887–1989 base period. This information is usually updated every weekday at 4:30pm (AEST), public holidays excluded.