| Year | na | Variable | Mean | Median | Min | Max | CV (%) |
| 2016 | 1998 | (ECas) (mS·m−1) | 68.7a | 75.8 | 11.9 | 104.6 | 31.0 |
| (ECad) (mS·m−1) | 86.8b | 94.0 | 16.6 | 129.3 | 27.0 | ||
| 2021 | 1765 | (ECas) (mS·m−1) | 68.5a | 70.6 | 12.7 | 124.7 | 30.0 |
| (ECad) (mS·m−1) | 87.9b | 94.2 | 18.3 | 137.7 | 26.0 |