Okay, so now, we have some extracted raw weather data that we transformed to our liking and loaded into another location in S3. This is where we get to start using the data and really dive into the structure, perform queries, and draw insights. For this, we are going to use Amazon Athena, a serverless query service that we can use to access our transformed data directly in S3, without loading it into another data store, such as a relational database.

Let's kick off by learning how to use Athena to query data in S3.