Latest Southern Oscillation Index values
22 April 2016: Please note that our daily SOI data service is currently subject to intermittent disruption due to data supply problems.
|Average for last 30 days||-18.25|
|Average for last 90 days||-13.85|
|Daily contribution to SOI calculation||-27.33|
Note: Calculated using the 1887–1989 base period. This information is usually updated every weekday at 4:30pm (AEST), public holidays excluded.