condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.05543675 0.0 0.117351 3 h after dark 0.09744833333333333 0.0 0.162871 6 h after dark 0.0 0.0 0.0 9 h after dark 0.03170616666666667 0.0 0.0951185 12 h after dark 0.0 0.0 0.0