| MONTH | SiO2 | S | CL(-) | LOI | +45 µm | H2O | K2O | Na2O | pH | |
| Jan-01 | 94.7 | 0.09 | 0.08 | 2.2 | 0.6 | 0.58 | 0.11 | 7.9 | ||
| Feb-01 | 95.4 | 0.08 | 0.07 | 2.1 | 0.6 | 0.46 | 0.07 | 7.2 | ||
| Mar-01 | 94.8 | 0.10 | 0.07 | 2.6 | 0.6 | 0.55 | 0.10 | 7.1 | ||
| Apr-01 | 94.5 | 0.11 | 0.06 | 2.6 | 0.6 | 0.62 | 0.16 | 7.9 | ||
| May-01 | 94.7 | 0.10 | 0.06 | 2.8 | 0.6 | 0.55 | 0.14 | 7.8 | ||
| Jun-01 | 95.2 | 0.08 | 0.04 | 2.3 | 0.8 | 0.45 | 0.08 | 7.8 | ||
| Jul-01 | 95.1 | 0.09 | 0.05 | 2.5 | 0.8 | 0.51 | 0.09 | 8.1 | ||
| Aug-01 | 94.5 | 0.11 | 0.05 | 2.5 | 0.8 | 0.71 | 0.14 | 8.4 | ||
| Sep-01 | 94.6 | 0.10 | 0.05 | 2.3 | 0.7 | 0.71 | 0.13 | 8.1 | ||
| Oct-01 | 94.9 | 0.11 | 0.06 | 2.1 | 0.7 | 0.75 | 0.12 | 7.8 | ||
| Nov-01 | 94.8 | 0.09 | 0.04 | 2.2 | 4.9 | 0.6 | 0.71 | 0.11 | 7.8 | |
| Dec-01 | 94.3 | 0.11 | 0.06 | 2.3 | 3.9 | 0.7 | 0.92 | 0.16 | 8.6 | |
| AVG | 94.8 | 0.10 | 0.06 | 2.4 | 4.4 | 0.7 | 0.63 | 0.12 | 7.9 | |
| MIN | 94.3 | 0.08 | 0.04 | 2.1 | 3.9 | 0.6 | 0.45 | 0.07 | 7.1 | |
| MAX | 95.4 | 0.11 | 0.08 | 2.8 | 4.9 | 0.8 | 0.92 | 0.16 | 8.6 | |
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