Months (2009-2010 monthly average values) | pH | Water temperature (˚C) | Oxygen (mg∙l−1) | Light porous effect (m) |
April | 8.14 | 13.6 | 9.48 | 7 |
May | 8.5 | 17.2 | 9.36 | 6.1 |
June | 7.76 | 19.8 | 8.62 | 7.7 |
July | 7.84 | 22.2 | 8.04 | 8.9 |
August | 8.12 | 23 | 8.28 | 9.6 |
September | 8.16 | 18.4 | 8.36 | 7.1 |
October | 8.8 | 14.5 | 8.7 | 6.6 |
November | 8.24 | 9.7 | 9.9 | 7.6 |
December | 8.04 | 5.2 | 9.72 | 8.6 |
January | 7.8 | 4 | 10.6 | 10.8 |
February | 7.8 | 4.4 | 11.2 | 9.2 |
March | 8.04 | 10.4 | 9.06 | 7 |