| Date | AO | NAO | PNA |
| 1 9 2018 | 1.307 | 0.703 | −0.943 |
| 2 9 2018 | 0.817 | 0.802 | −0.328 |
| 3 9 2018 | 0.739 | 0.771 | −0.155 |
| 4 9 2018 | 0.097 | 0.266 | −0.009 |
| 5 9 2018 | −0.534 | −0.004 | 0.069 |
| 6 9 2018 | −0.449 | 0.188 | 0.172 |
| 7 9 2018 | −0.395 | 0.218 | 0.492 |
| 8 9 2018 | −0.222 | 0.393 | 0.667 |
| 9 9 2018 | −0.119 | 0.723 | 0.492 |
| 10 9 2018 | 0.275 | 0.996 | 0.668 |
| 11 9 2018 | 0.717 | 1.006 | 1.382 |
| 12 9 2018 | 0.996 | 0.597 | 1.802 |
| 13 9 2018 | 0.651 | 0.447 | 1.968 |