Table 2. Statistical differences of average daily ETo estimated on daily basis as compared to each other.
| Provinces | Calculated ETo | RMSE (mm d−1) |
MAE (mm d−1) |
MR | PE (%) |
R2 |
|---|---|---|---|---|---|---|
| Kilis | ETo-PM–ETo-HS | 0.71 | 0.64 | 1.33 | 21.06 | 0.9637 |
| ETo-PM–ETo-TURC ETo-HS–ETo-TURC |
2.94 2.42 |
2.56 1.95 |
1.87 1.44 |
85.28 53.04 |
0.9659 0.9717 |
|
| Diyarbakır | ETo-PM–ETo-HS | 0.81 | 0.71 | 1.30 | 20.35 | 0.9719 |
| ETo-PM–ETo-TURC ETo-HS–ETo-TURC |
3.70 3.03 |
3.07 2.38 |
1.90 1.49 |
89.88 57.77 |
0.9646 0.9761 |
|
| Mardin | ETo-PM–ETo-HS | 0.80 | 0.64 | 1.24 | 15.21 | 0.9141 |
| ETo-PM–ETo-TURC ETo-HS–ETo-TURC |
2.79 2.22 |
2.06 1.63 |
1.52 1.25 |
60.63 39.42 |
0.9031 0.9812 |
|
| Batman | ETo-PM–ETo-HS | 0.37 | 0.30 | 1.09 | 5.51 | 0.9727 |
| ETo-PM–ETo-TURC ETo-HS–ETo-TURC |
4.12 3.97 |
3.16 3.02 |
1.72 1.60 |
98.12 87.72 |
0.9565 0.9650 |