On August 8, the twin towns recorded 25mm of rain, the highest total on a single August day since 2010.
It helped push the total rainfall for the month to 45.6mm, just above the monthly average of 42.1mm.
And it looks set to be a pattern to continue into spring with higher than average rainfall expected due to an increased likelihood of a La Niña forming.
The Bureau of Meteorology’s climate operations manager Andrew Watkins said the outlook was being largely driven by changes in sea surface temperatures in the tropical Pacific and Indian oceans.
“Most long-range forecasts analysed by the bureau, including from our own climate model, are indicating a La Niña could develop in the spring, which typically results in above-average winter-spring rainfall for Australia, particularly across eastern, central and northern regions,” he said.
“A La Niña also typically brings cooler and cloudier days, more tropical cyclones, and an earlier onset of the first rains of the northern wet season." Dr Watkins said spring was typically a time of year when outlook models had a higher reliability.
“At this time of year, we start to see some of our main climate drivers locking in, which gives more certainty about what our weather patterns will be like in the coming months,” he said.
“We're starting to see that in the Pacific with a La Niña beginning to take shape and we are also seeing some changes in the Indian Ocean, which may also boost the chance of rain during spring.”
The twin towns also experienced its coldest August day in three years last month when the maximum temperature reached just 8.
The winter months also bought 96.2mm of rain which was the wettest winter since 2017.
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