Frequency distribution of trees per hazard rating and mean rating for trees found during the windshield survey.
| Hazard rating | Number of trees | Percentage of total | Cumulative percentage |
|---|---|---|---|
| 6 | 147 | 13% | 13% |
| 7 | 252 | 23% | 36% |
| 8 | 226 | 20% | 56% |
| 9 | 247 | 22% | 78% |
| 10 | 158 | 14% | 92% |
| 11 | 68 | 6% | 98% |
| 12 | 18 | 2% | 100% |
| Trees found | 1116 | ||
| Mean score | 8.3 |