I was interested to see what the totals would look like if you looked at all possible 12 month periods rather than just those that align with a calendar year. This is the result for Observatory Hill. Currently at all time high of 2645mm. 1890/05/24 was the wettest pic.twitter.com/TUoznYbgN5

— Rob Whitehurst (@OYCar) October 24, 2022