Based on the provided story, the evaluation of its Tragedy Degree and Comedy Degree is as follows:

- Tragedy Degree: The story has a somber tone with the dreary weather and the challenging subject of hate, but it doesn't contain profound tragic elements or emotionally devastating events. The setbacks faced by Professor Emily Clarke are more intellectual and professional rather than deeply personal or tragic. Therefore, it deserves a moderate score.
  
- Comedy Degree: The story has some light-hearted moments, particularly with the interaction between Emily and Rachel, but it doesn't feature strong comedic elements or an extremely happy ending. The overall narrative is more serious and intellectually stimulating than emotionally delightful.

Here is the scoring in JSON format:

```json
{
  "TragedyDegree": 5,
  "ComedyDegree": 3
}
```

