Empirical Model | RMSE | R | MBE |
Hargreaves & Samani, 1982 | 3.69 | 0.87 | 0.23 |
Annandale, 2002 | 3.69 | 0.87 | 0.18 |
Bristow & Campbell, 1984 | 3.69 | 0.87 | 0.30 |
Donatelli & Capbell, 1998 | 3.77 | 0.86 | 0.26 |
Goodin, 1999 | 3.73 | 0.87 | 0.33 |
Winslow, 2001 | 3.67 | 0.87 | 0.19 |
Mahmood & Hubbard, 2002 | 4.13 | 0.86 | 0.54 |