I was eyeing up my G-Forces (stock 215-50-16)standing in a row while the SVT sits on its winter rubber. The tread on the BFG's are relatively even with no abnornmal wear patterns. The tread depth is about 5/32's on all of them. At what point do these tires become unsafe in the rain? I haven't hyroplaned with these but then again I haven't really driven in any nasty rain. Opinions please!

thanks,
eric