| Harmonics (Cycles) per 35 yrs | Cycles (years) | % of Variance Explained | Amplitude (mm) |
| 1 | 35 | 26.40* | 181.66* |
| 2 | 16 | 8.94 | 74.32 |
| 3 | 12 | 3.20 | 39.66 |
| 4 | 8.41 | 1.38 | 38.10 |
| 5 | 6.0 | 0.90 | 31.44 |
| 6 | 5.20 | 18.3* | 149.62* |
| 7 | 4.10 | 5.88 | 82.40 |
| 8 | 3.80 | 9.21 | 96.35 |
| 9 | 3.25 | 4.09 | 60.82 |
| 10 | 3.10 | 6.91 | 88.25 |
| 11 | 2.84 | 14.02* | 126.63* |
| 12 | 2.50 | 0.51 | 13.33 |
| 13 | 2.00 | 2.81 | 55.46 |