| Iat index | S/n | Class of SL index | Class of AF index | Class of Bs index | Class of Hi index | Class of Smf index | Class of Vf index | Sub-basin |
| 3 | 2 | 1 | - | 3 | 3 | 1 | - | 1 |
| 3 | 2 | - | - | 3 | 3 | 2 | - | 2 |
| 4 | 2.6 | 1 | - | 3 | 3 | 3 | 3 | 3 |
| 4 | 2.6 | 1 | - | 3 | 3 | 3 | 3 | 4 |
| 3 | 2.2 | 1 | - | 3 | 3 | 1 | 3 | 5 |
| 3 | 2 | 1 | - | 3 | 3 | 1 | - | 6 |
| 3 | 2 | 1 | - | 3 | 3 | 1 | - | 7 |
| 3 | 2.3 | - | - | 3 | 3 | 1 | - | 8 |
| 3 | 2.2 | 1 | - | 3 | 3 | 1 | 3 | 9 |
| 3 | 2 | 1 | 1 | 3 | 3 | 1 | 3 | 10 |
| 3 | 2 | 1 | - | 3 | 3 | 1 | - | 11 |
| 3 | 2.1 | 1 | 2 | 3 | 3 | 1 | 3 | 12 |
| 3 | 2.4 | 1 | - | 3 | 3 | 2 | 3 | 13 |
| 3 | 2.2 | 1 | - | 3 | 3 | 1 | 3 | 14 |
| 4 | 2.5 | 1 | 2 | 3 | 3 | 3 | 3 | 15 |
| 4 | 2.7 | - | 2 | 3 | 3 | 3 | - | 16 |
| 4 | 2.6 | 1 | - | 3 | 3 | 3 | 3 | 17 |
| 3 | 2.2 | 1 | - | 2 | 3 | 2 | 3 | 18 |
| 4 | 2.5 | 1 | - | 3 | 3 | 1 | - | 19 |
| 3 | 2.1 | 1 | 2 | 3 | 3 | 1 | 3 | 20 |
| 3 | 2.3 | - | - | 3 | 3 | 1 | - | 21 |
| 4 | 3 | - | - | 3 | 3 | 3 | 3 | 22 |
| 3 | 2.4 | - | 2 | 3 | 3 | 1 | 3 | 23 |
| 3 | 2.3 | - | - | 3 | 1 | 1 | - | 24 |