[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 110 — TABLE V. LENGTH AND WIDTH OF BIDDULPHIA SINENSIS CELLS AT DIFFERENT TEMPERATURES

PDF page: 411

```csv
Date,In erdschreiber- enriched seawater at 24°.,In erdschreiber enriched seawater at 10°C
23. Vili.,II,15
24. Vili.,20,16
25. Vili.,27,22
26. Viii.,33,38
28. viii.,40,42
29. Viii.,42,54
30. Vili.,55,62
31. Vili.,80,64
iig.1bs¢,78,72
De ibe,75,92
4. ix,90,103
5. ix 6. ix,a —,93 85
5. ix 6. ix,a —,93 85
“ahs 3D,92,90
8. ix,9I,96
Q. 1x,93,IOI
Tr. 1X,98,108
"1, 28S",95,98
13. 1x,98,IOI
14. ix,100,100
```

--- END ARTIFACT ---

Question:
For the Erdschreiber seawater at 24°C condition, what is the midpoint width between the 24 and 25 August entries?

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