Now, we know the Fort Denison data is correct because the tide marks are chiseled on the sandstone.
The top chart shows the Fort Denison data (blue lines) compared to the NASA & CSIRO data (orange line), see bottom charts.
The red line on the top chart shows the average trend since 1995. Compare that to NASA's plot below, which shows a 100mm rise during the same period. Either someone is lying or someone must have jacked up Fort Denison when no one was looking.
