Before revision: In Australia, the definition of the MHW is Ladder '...the line of the medium high tide between the highest tide of each lunar month (the springs) and the lowest each lunar month (the Neaps) averaged over the year.'
After revision: In Australia, the definition of the MHW is '...the line of the medium high tide between the highest tide of each lunar month (the springs) and the lowest each lunar month (the Neaps) averaged over the year.'