[tragiclos]

Crazy that 27 C is deadly. I imagine most of Australia is hotter than that during any given summer.

[rmunn]

But does the water reach 27°C during Australian summers, or just the air? Water will remain cooler than air for a long time, as anyone who's jumped into a swimming pool in summer knows. It was the sustained water temperature of 27°C that was the deadly issue for Winston the platypus.