| | Watersheds | Type of ES | Inputs | Structures | NSE | RMSE (m3/s) | NSEpeak | | | | | Train | Test | Train | Test | Test |
| Daily | Trinity River | (A, Ad, N) | Approximation | 0.9999 | 0.9999 | — | 0.9634 | 0.926 | 0.912 | 35.102 | 52.402 | 0.892 | (A, N, N) | Detail 1 | 0.0001 | — | — | — | (A, N, N) | Detail 2 | 0.0001 | — | — | — | (A, Ad, N) | Detail 3 | 0.9020 | 0.9250 | — | 0.8002 | (A, Ad, N) | Detail 4 | 0.9999 | 0.9999 | — | 0.8743 | West Nishnabotna River | (A, Ad, N) | Approximation | 0.9999 | 0.9999 | — | 0.9088 | 0.841 | 0.822 | 15.517 | 15.797 | 0.808 | (A, N, N) | Detail 1 | 0.0001 | — | — | — | (A, N, N) | Detail 2 | 0.0001 | — | — | — | (A, Ad, N) | Detail 3 | 0.9999 | 0.9999 | — | 0.8649 | (A, Ad, N) | Detail 4 | 0.9999 | 0.9999 | — | 0.8778 |
| Monthly | Trinity River | (A, Ad, N) | Approximation | 0.9999 | 0.9999 | — | 0.9539 | 0.831 | 0.79 | 1581.341 | 1977.409 | 0.836 | (A, N, A) | Detail 1 | 0.0001 | — | 0.0001 | — | (A, N, A) | Detail 2 | 0.0001 | — | 0.1701 | — | (A, N, A) | Detail 3 | 0.9999 | — | 0.0001 | — | (A, Ad, N) | Detail 4 | 0.9999 | 0.9999 | — | 0.8693 | West Nishnabotna River | (A, Ad, N) | Approximation | 0.9999 | 0.9999 | — | 0.9558 | 0.756 | 0.735 | 358.957 | 501.186 | 0.629 | (A, N, A) | Detail 1 | 0.0001 | — | 0.0001 | — | (A, N, A) | Detail 2 | 0.0001 | — | 0.0001 | — | (A, N, A) | Detail 3 | 0.9999 | — | 0.0001 | — | (A, Ad, N) | Detail 4 | 0.9999 | 0.9999 | — | 0.8656 |
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