| Parameters | Correlation (r) | P-value (p ≤ 0.05) |
| RF | −0.6 | 0.02** |
| Tmax | 0.8 | 0.07 |
| Tmin | 0.44 | 0.5 |
| TDS | 0.4 | 0.3 |
| EC | 0.4 | 0.3 |
| GWT | 0.98 | 0.4 |