| Variables |
| Min | Max |
| Turbidity (NTU) | Bittit file | 1.7 | 850 |
| Ribaa file | 1.62 | 960 | |
| pH |
| 6.80 | 7.74 |
| Temperature (˚C) |
| 14 | 24 |
| Conductivity µs·cm−1 |
| 509 | 625 |