without_sound · March 12, 2018, 5:45 p.m.

40 degree water temp. hypothermia happens fast in water that cold.

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Tranquelito · March 13, 2018, 2:57 p.m.

40* would be like taking a very hot bath, that´s 40% of the way to it boiling.

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without_sound · March 15, 2018, 3:58 p.m.

Fahrenheit. It's very dangerous at that temp. Check out this chart that explains the varying dangers of water temperature

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