depth	mean	smoothed
0	3.52853	3.52853
1	4.47024	4.47024
2	5.15521	5.15521
3	5.60261	5.60261
4	5.81766	5.96
5	6.08692	6.22
6	6.49588	6.49588
7	6.63987	6.6
8	6.65526	6.65526
9	6.73283	6.73283
15	7.0	7.0
20	7.2	7.2