I realise those temps are in Celsius,we Brits also use this system whereas our American brethren seem to favour Fahrenheit.
Mind you you wouldn't last long in water at 22F......
At least you wouldn't have to worry about sharks!

My temperature gauge in my truck is in fahrenheit and still confuses the h*ll out me sometimes.....

1950 Chevy Advance Design 3100 in Scotland
In the Stovebolt Gallery
More pix on Flickr.
I've definately got this truck thing in my blood ... my DNA sequence has torque settings
"Of all the small nations of this earth,perhaps only the ancient Greeks surpass the Scots in their contribution to mankind" Winston Churchill.