| at a typical solar minimum | 12 | temporal |
| during this period | 12 | temporal |
| than for many previous decades | 6 | temporal |
| sunspot → be → visible | 43 |
| sunspot → be → observed | 27 |
| sunspot → be → recorded | 6 |
| negative | neutral | positive |
| 0.093 | 0.678 | 0.229 |
| Raw frequency | 76 |
| Normalized frequency | 1.000 |
| Modifier score | 0.268 |
| Perplexity | 58.028 |