| Study Site | Variable | Group | na | Mean | Median | Min | Max |
| 2016 | ECas (mS·m−1) | Low | 230 | 29.0 | 30.3 | 11.9 | 38.1 |
| LM | 301 | 46.7 | 47.0 | 38.2 | 54.3 | ||
| M | 318 | 61.8 | 61.3 | 54.6 | 70.2 | ||
| MH | 557 | 78.4 | 79.0 | 70.3 | 84.1 | ||
| High | 592 | 89.9 | 89.2 | 84.2 | 104.6 | ||
| ECad (mS·m−1) | Low | 223 | 39.7 | 41.0 | 16.6 | 53.0 | |
| LM | 340 | 65.8 | 66.3 | 53.2 | 75.9 | ||
| M | 393 | 85.3 | 85.8 | 76.0 | 92.5 | ||
| MH | 615 | 99.4 | 99.5 | 92.6 | 105.3 | ||
| High | 427 | 111.3 | 110.2 | 105.4 | 129.3 | ||
| 2021 | ECas (mS·m−1) | Low | 218 | 31.0 | 33.4 | 12.7 | 41.1 |
| LM | 313 | 50.4 | 51.0 | 41.2 | 58.1 | ||
| M | 317 | 65.7 | 65.5 | 58.3 | 72.5 | ||
| MH | 565 | 79.7 | 80.0 | 72.6 | 85.8 | ||
| High | 352 | 92.4 | 90.9 | 85.9 | 124.7 | ||
| ECad (mS·m−1) | Low | 122 | 35.1 | 35.0 | 18.3 | 47.5 | |
| LM | 240 | 60.0 | 60.4 | 48.0 | 69.2 | ||
| M | 311 | 78.4 | 78.1 | 69.3 | 86.8 | ||
| MH | 537 | 95.3 | 95.5 | 87.1 | 102.5 | ||
| High | 555 | 110.0 | 108.9 | 102.6 | 137.7 |