Explore swapping the order in which results.DR and sites.DR are created

[kathryn-willi]

          would swapping the order in which results.DR and sites.DR are created speed things up? Thinking about how we could split up the `readWQPdata()` in a similar fashion to the {sf} pull if we do it that way....

Originally posted by @kathryn-willi in #8 (comment)