| Hydrologc unit | Length of calibration and validation phase (month) | Calibration parameters | Validation parameters | |||||||
| Calibration phase | Validation phase | Incoming model | Outgoing model | Nash Criteria | ||||||
| X1 | X2 | X1 | X2 | Rising (Q) | River module | Low water ln(Q) | Assessment | |||
| Moukomo | 01/1952-06/1954 (30 month) | 07/1954-06/1957 (36 month) | 6.00 | 1.00 | 8.76 | 1.01 | 75.8 | 77.7 | 78.1 | 100.2 |
| Lekana | 6.00 | 1.00 | 8.87 | 1.10 | 62.1 | 64.7 | 65.5 | 100.0 | ||
| N’douo sub-basin | 6.00 | 1.00 | 8.66 | 0.98 | 76.3 | 78.8 | 79.8 | 100.1 | ||
| Makaka | 6.00 | 1.00 | 8.96 | 1.29 | 45.9 | 49.0 | 50.6 | 99.4 | ||
| Loudima | 6.00 | 1.00 | 8.79 | 1.09 | 65.8 | 68.3 | 67.7 | 100.6 | ||
| Makabana | 6.00 | 1.00 | 8.69 | 1.02 | 74.6 | 76.6 | 77.4 | 99.9 | ||
| Niari sub-basin | 6.00 | 1.00 | 8.26 | 1.08 | 80.6 | 83.1 | 84.4 | 99.7 | ||
| Sounda | 6.00 | 1.00 | 8.67 | 1.04 | 60.5 | 68.2 | 72.6 | 99.7 | ||
| Kouilou sub-basin | 6.00 | 1.00 | 8.67 | 1.04 | 60.5 | 68.2 | 72.6 | 99.7 | ||
| Kouilou- Niari basin | Ditto (sub-basins) | 6.00 | 1.00 | 8.46 | 1.04 | 80.5 | 83.3 | 84.9 | 99.8 | |