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Real-time SOI Data

Numerical data from here and values are calculated using the 1887-1989 base period. This information is usually updated every weekday at 2:00pm (AEST), public holidays excluded.

Date Pressure at Tahiti (hPa) Pressure at Darwin (hPa) Daily value 30-day average SOI 90-day average SOI




Charts: 2019 | 2018 | 2017 | 2016 | 2015 | Source: The State of Queensland, Australia

ENSO Wrap Up (Source: here)

Issued on



SOI summary:
Sea surface temperature summary:
ENSO outlooks:

Last Accessed: Thu Apr 25 2019 10:19:37 HKT
Last Modified: Sun Jul 10 2016

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