We are happy to share with you a visual programming tool we have worked on recently. The tool works in orangedatamining, an open source project focused on data analysis with visual programming tools. Our part is a very small chunk of a bigger toolkit called mecoda, developed by ICM-CSIC and that integrates many other citizen initiatives:
You can create flows for downloading data and plot it in timeseries format or maps:
Documentation will come soon in the docs!
Hope it helps!