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||-0.07|
|Average for last 90 days||-8.87|
|Daily contribution to SOI calculation||3.31|
Note: Calculated using the 1887–1989 base period. This information is usually updated every weekday at 4:30pm (AEST), public holidays excluded.