| Wet season (May 2015) | Dry season (September 2015) | ||||||
Ionic ratio | Min | Max | Mean | St.dev | Min | Max | Mean | St.dev |
Ca/Mg | 1.23 | 1.60 | 1.41 | 0.10 | 1.20 | 1.66 | 1.33 | 0.12 |
Na/Cl | 0.58 | 1.11 | 0.85 | 0.14 | 0.82 | 1.25 | 1.10 | 0.10 |
Mg/Ca + Mg | 0.35 | 0.65 | 0.44 | 0.09 | 0.35 | 0.76 | 0.52 | 0.09 |
SO4/Cl | 0.40 | 0.82 | 0.62 | 0.12 | 0.45 | 0.86 | 0.66 | 0.08 |
Ca/Na | 1.15 | 1.76 | 1.48 | 0.14 | 1.22 | 1.82 | 1.52 | 0.18 |