| Sampling Point | Lighting Condition | Image | Calibrated Std Dev L | Roughness Level |
| Site 1 | Overcast |
| 16.75% | Medium |
| Site 2 | Overcast |
| 9.74% | Low |
| Site 3 | Overcast |
| 31.27% | High |
| Site 4 | Overcast |
| 9.79% | Low |
| Site 5 | Overcast |
| 9.30% | Low |
| Site 6 | Overcast |
| 18.49% | Medium |
