| Depth | Mean | Max. | Min. | Number of Sample | Standard Deviation |
|---|---|---|---|---|---|
| 0 | 19.55 | 22.40 | 16.81 | 4 | 2.28 |
| 10 | 23.13 | 25.37 | 21.99 | 3 | 1.94 |
| 20 | 27.89 | 28.08 | 27.64 | 3 | 0.22 |
| 30 | 29.18 | 29.28 | 29.05 | 3 | 0.12 |
| 50 | 30.16 | 30.27 | 30.10 | 3 | 0.09 |
| 75 | 30.88 | 31.06 | 30.78 | 3 | 0.15 |
| 100 | 31.90 | 32.06 | 31.66 | 3 | 0.21 |
| 125 | 32.27 | 32.29 | 32.25 | 2 | 0.03 |
