decimal places

[gassc]

Investigate results with many, many decimal places (many zeroes). Shouldn't be more than what Datawise and Vieux show. This may be happening in the API, but at the very least we should truncate for download.

[gassc]

The Datawise API returns big numbers, and these carry through into the database.

We'll begin truncating those in the rainfall data pipelines.

[gassc]

Also: we could look at serializing as Decimal types in the API response