Add Local Data Service
Other web services might include: difference/ratio calculations, statistics  for comparing data/models, resolving spatial and temporal scales differences, customized queries, emissions estimation …
From  the Voyager interface you launch the Add Point Data Service, copy and paste your data (lat, lon, value), and add it to the map.
Add Point Data Service
The interpolated surface contains gaps in your area of interest. However, you have some data on your local PC that is comparable and would like to include it in the map.