condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.015661066666666668 0.0 0.0469832 9 h after light 0.013026566666666668 0.0 0.0390797 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0