awr_analyzer.py will generate some nice charts to visualize what was going on over a time withing those reports
The details can be found in this blog post: http://blog.ora-600.pl/2017/10/28/visualize-your-statspack-reports-with-python-plotly
NOTE: Use need plotly library to use awr_analyzer.py The above blog post describes usage against statspack, but you get the idea ;)
The rest of SQL scripts is pretty much self-explainable and quite simple to use.