[SYSTEM]
You are answering a single information-extraction question. Use ONLY the supplied source material. Do not use prior knowledge. Give a clear, concrete answer with the specific number, name, year, or value asked for.

[USER]
--- SOURCE ARTIFACT (M3-L4) ---
# Table 049 — TABLE II. TIDAL SCALES (Heights are given as feet above or below Chart datum)

PDF page: 200

```csv
Tidal level,Plymouth (ft.),Salcombe (ft.)
E.H.W.S.,Bg,B73
M.H.W.S.,15°7,16
M.H.W.N.,TEAS,I2°6
E.H.W.N.,10,10°3
M.T.L.,8-2,8-8
E.L.W.N.,57,6:6
M.L.W.N.,4:6,55
M.L.W.S.,0-2,I'l
E.L.W.S.,—1°6,—0°7
```

--- END ARTIFACT ---

Question:
If I wanted a rough middle value between Salcombe's spring and neap high-water levels, what would the table suggest?

Answer concisely. Cite the row/cell/section you used. State your final numerical answer clearly.