After carefully reading the story, here's the evaluation based on the provided criteria:

**Tragedy Degree:**

- The story involves a natural disaster (severe flooding) that significantly impacts the town of Alderwood.
- There are emotional setbacks as the flood threatens to destroy valuable historical and cultural artifacts housed in the library.
- Despite these setbacks, there is a strong sense of determination, collaboration, and a successful outcome in saving the books.
- The tragedy is moderate, involving significant challenges and emotional turmoil, but not a sense of profound, long-lasting grief.

**Comedy Degree:**

- The story is not comedic in nature. It focuses on the efforts to preserve important aspects of the town's heritage during a crisis.
- There are no notable light-hearted or humorous elements.
- The ending, while hopeful and positive, does not carry a comedic tone.

Based on these evaluations, the scores are:

```json
{
  "TragedyDegree": 5,
  "ComedyDegree": 1
}
```

This rating reflects a story with moderate tragedy due to the challenges and dangers faced during the flood but almost no comedic elements.
