The hatches were phenomenal, huge Browns were porposeing and you could see them laying just in the shadows, 22-24″. The yellow Stone fly hatch was constant and heavy but I tried every size yellow Sally that I had, nope, Caddis and some mayflies were hatching, nope. Lost 2 big Browns as I was lulled into a dissociative state by the running stream. It was a switch flies kind of night. Slow and methodical. Dead drift was the the only way to get a fish to take. I caught 3 small Browns for the evening, the big ones stopped rising and I left. I will go after the big ones again tonight. Water temp was 60 degrees but the shallow water made the big fish very skiddish. When they see you they move and then its 15 minutes before they come up again. Shallow water is the time to use stealth and patience.