I did 3 tests for all of the angles... To time the water I used a camera, filmed it and then slowed it down on my computer.
For 15 degrees, I got 2.47 m, 2.40 m, and 2.43 m (range of each test, average of 2.43 m) and 0.40 s, 0.38 s, and 0.36 s (time of flight for each test, average of 0.37 s)...