| Sodium (Na) (mg·l−1) contents | Calcium (Ca) (mg·l−1) contents | Magnesium (Mg) (mg·l−1) contents | ||||||
Years of Study | Mean | Years of Study | Mean | Years of Study | Mean | ||||
Months | 2016 | 2017 | (Months) | 2016 | 2017 | (Months) | 2016 | 2017 | (Months) |
January | 0.32 | 0.28 | 0.30 | 1.55 | 1.53 | 1.58 | 0.31 | 0.30 | 0.31 |
February | 0.33 | 0.31 | 0.32 | 1.55 | 1.61 | 1.58 | 0.32 | 0.33 | 0.33 |
March | 0.32 | 0.32 | 0.32 | 1.56 | 1.60 | 1.58 | 0.32 | 0.33 | 0.33 |
April | 0.34 | 0.35 | 0.34 | 1.59 | 1.61 | 1.60 | 0.33 | 0.33 | 0.33 |
May | 0.36 | 0.31 | 0.34 | 1.57 | 1.64 | 1.61 | 0.31 | 0.32 | 0.31 |
June | 0.38 | 0.28 | 0.33 | 1.60 | 1.60 | 1.61 | 0.31 | 0.33 | 0.32 |
July | 0.40 | 0.39 | 0.40 | 1.44 | 1.44 | 1.44 | 0.33 | 0.31 | 0.32 |
August | 0.35 | 0.25 | 029 | 1.46 | 1.45 | 1.46 | 0.32 | 0.30 | 0.31 |
September | 0.32 | 0.18 | 0.25 | 1.43 | 1.44 | 1.44 | 0.32 | 0.32 | 0.32 |
October | 0.37 | 0.32 | 0.34 | 1.61 | 1.69 | 1.65 | 0.28 | 0.28 | 028 |
November | 0.33 | 0.28 | 0.30 | 1.56 | 1.30 | 1.58 | 0.32 | 0.32 | 0.32 |
December | 0.32 | 0.31 | 0.32 | 1.56 | 1.56 | 1.57 | 0.29 | 0.30 | 0.29 |
Mean (Years) | 0.35 | 0.30 | 1.57 | 1.56 | 0.32 | 0.31 |
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