No. of station(s) to be eliminated | Optimal station(s) combination that can be eliminated | Interpol. method | RMSE | r2 | MAPE | NSE | ACFT |
1 | 10 | IDW | 0.144 | 0.877 | 6.608 | 0.841 | 0.914 |
2 | 10, 16 | UK | 0.174 | 0.838 | 6.842 | 0.775 | 0.901 |
3 | 2, 10, 16 | UK | 0.237 | 0.807 | 11.283 | 0.671 | 0.863 |
4 | 2, 10, 14, 16 | UK | 0.239 | 0.718 | 16.928 | 0.659 | 0.915 |
5 | 2, 9, 10, 14, 16 | IDW | 0.236 | 0.665 | 25.182 | 0.647 | 0.953 |
6 | 2, 4, 9, 10, 14, 16 | IDW | 0.287 | 0.581 | 34.782 | 0.476 | 0.870 |
7 | 2, 4, 7, 9, 10, 14, 16 | IDW | 0.288 | 0.509 | 44.646 | 0.467 | 0.951 |
8 | 2, 4, 7, 9, 10, 14, 15, 16 | UK | 0.329 | 0.444 | 51.856 | 0.374 | 0.926 |