| Criteria | Range | Rating |
| W (m/s) | <5.35 | 1 |
| 5.35 - 6.2 | 2 | |
| 6.2 - 8 | 3 | |
| >8 | 4 | |
| R (mm) | >700 | 1 |
| 500 - 700 | 2 | |
| 300 - 500 | 3 | |
| <300 | 4 | |
| A (m) | <1000 | 1 |
| 1000 - 1500 | 2 | |
| 1500 - 2000 | 3 | |
| >2000 | 4 | |
| S (%) | >45 | 1 |
| 30 - 45 | 2 | |
| 15 - 30 | 3 | |
| <15 | 4 | |
| L (Class) | Forest, surface water | 1 |
| Industrial | 2 | |
| Agriculture | 3 | |
| Pasture and dry land, mixed pasture | 4 |