Epistemic Modality

There is a lot that we don''t know. That means that there are a lot of possibilities that are, epistemically speaking, open. For instance, we don''t know whether it rained in Seattle yesterday. So, for us at least, there is an epistemic possibility where it rained in Seattle yesterday, and one where it did not. What are these epistemic possibilities? They do not match up with metaphysical possibil...