105 degrees (the air temp, not the water!). Made up a 24 oz tumbler of this for pouring over ice. Brewed it a bit longer than I normally would, about 4 minutes, to get a little extra dark. Poured hot over ice and immediately strained over fresh ice in a glass. Wow! nice clean and crisp flavor with a bit of astringincy. The tannins reminded me of a heavily oaked Chardonnay…kind of woody, clean and sharp. Tried with both a touch of lemon and plain…not much difference either way. I think this one would take well to making sweet tea.