Grafana vs. data export

Question

Why is the export necessary if I can see data in Grafana already?

Answer

The export feature is a generic functionality and has nothing to do with the Grafana interconnect feature for instantly graphing measurement data. It can be used as a restful API for exporting per-channel data using all sorts of convenient filtering, projection and different kinds of output rendering options.

See also exporting WeeWX data.