Figure 1 shows a camel's core body temperature monitored over a 24-hour period in a hot desert environment to study its thermoregulation.

| Time (hours) | Core Body Temperature (°C) |
|---|---|
| 0 | 34.50 |
| 2 | 34.10 |
| 4 | 33.90 |
| 6 | 34.30 |
| 8 | 35.50 |
| 10 | 37.20 |
| 12 | 39.10 |
| 14 | 40.40 |
| 16 | 40.80 |
| 18 | 39.50 |
| 20 | 37.80 |
| 22 | 36.00 |
| 24 | 34.50 |
State the camel's highest core body temperature.