AAO Index
The Antarctic Oscillation Index (AAO Index) describes the difference of the sea level pressure between the South Pole and the southern mid-latitudes.
AAO index of the last 120 days:
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Monthly values from 1980 to date:
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Daily values from 1979 to date:
![Daily values of the AAO Index since 1979 Daily values of the AAO Index since 1979](https://chaac.meteo.plus/en/climate/aao-index.png)
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