I felt okay at the time, but it later proved this was too hot. Over the course of the ride (there was just 4 more miles to go here,) 184oz of liquid, and additional 64oz after getting home. I was nevertheless well trashed for the next 48 hours.
I generally don't like doing longer rides above 100º, as the water requirements simply aren't sustainable. The above ride had 3 water stops, and I finished 50oz in the final 12 miles. Graph of the same ride: