| Hydrological Metric | 2001 | 2001 | 2021 | 2021 |
| Headwater Sub-basin 50024950 | Reference Condition | Headwater Sub-basin 50024950 | Reference Condition | |
| Water Yield (WYLD) mm | 885.3 | 1010.0 | 680.7 | 835.6 |
| Surface Runoff (SURQ) mm (1/X) | 65.11 0.015 | 80.11 0.012 | 96.25 0.010 | 35.87 0.028 |
| Lateral Flow (LATQ)mm | 572.1 | 628.9 | 361.2 | 544.5 |
| Soil water content (SW) mm | 443.1 | 239.7 | 409.4 | 248.4 |
| Percolation (PERC) mm | 249.4 | 336.7 | 217.1 | 275.7 |