| Months | January | February | March | April | May | June | July | August | September | October | November | December |
| Temperature (˚C) | 12 | 9 | 13 | 16 | 18 | 20 | 20 | 22 | 18 | 16 | 14 | 12 |
| pH | 8.1 | 8.4 | 8.3 | 8.4 | 8.6 | 8.7 | 8.7 | 8.8 | 8.6 | 8.4 | 8.1 | 8 |
| EC (µs/cm) | 340 | 345 | 400 | 575 | 600 | 608 | 590 | 582 | 578 | 754 | 765 | 830 |
| NO2 (mg/L) | 0.033 | 0.035 | 0.05 | 0.1 | 0.006 | 0.008 | 0.011 | 0.013 | 0.014 | 0.015 | 0.008 | 0.004 |
| NO3 (mg/L) | 1 | 1.2 | 0.6 | 0.5 | 0 | 0 | 0.10 | 0.8 | 1 | 1.8 | 3.2 | 4.3 |
| DO (mg/L) | 9.6 | 9.9 | 8.7 | 7.7 | 7.9 | 9.3 | 8.6 | 7.9 | 7.2 | 7.7 | 8.3 | 8.8 |
| o-PO4 (mg/L) | 0.10 | 0.11 | 0.09 | 0.08 | 0.03 | 0.01 | 0 | 0 | 0.04 | 0.05 | 0.05 | 0.12 |
| Na (mg/L) | 11 | 7.2 | 9 | 9.2 | 11 | 12.8 | 10 | 10.52 | 11.8 | 15.96 | 16.7 | 19.9 |
| K+ (mg/L) | 2.1 | 2.3 | 2.2 | 2.2 | 1.9 | 1.8 | 1.79 | 1.6 | 2.3 | 2.31 | 2.6 | 3.3 |
| Ca+2 (mg/L) | 32 | 28.1 | 46 | 48.1 | 48.1 | 48 | 46.1 | 44.7 | 56.4 | 56.1 | 44.7 | 46 |
| Mg+2 (mg/L) | 38.7 | 26.8 | 34 | 51.1 | 52 | 52.1 | 51,1 | 50 | 51.1 | 59.8 | 63 | 64.4 |