Number of hazard trees found by windshield survey expressed as a percentage of hazard trees found by walking survey, arranged by area. Developed and undeveloped areas are explained in the text. There were insufficient trees rated ≥ 10 in undeveloped areas to provide a percentage.
| Hazard rating | Developed areas | Undeveloped areas |
|---|---|---|
| 7–12 | 66% | 49% |
| 8–12 | 81% | 50% |
| 9–12 | 96% | 50% |
| 10–12 | 100% | n/a |