| very | 9 | degree |
| historically | 7 | temporal |
| because of lack of snowmelt | 6 | cause |
| reservoir → be → low | 45 |
| reservoir → be at → low levels | 9 |
| reservoir → get → low | 7 |
| negative | neutral | positive |
| 0.372 | 0.490 | 0.138 |
| Raw frequency | 61 |
| Normalized frequency | 0.670 |
| Modifier score | 0.967 |
| Perplexity | 350.963 |