TMA is a time series analysis tool based on TCL/TK/BLT which can generate PDF reports/graphs using a TCL based scripting language. Its currently in production use at a few places and might be a useful starting point for someone playing with time series data.
The main use might be the BLT/TCL/TK runtime.
report:new x.pdf report:header "Yearly Data" get load.csv get pv.csv for {st et} {2010 2011 2011 2012} { st $st ;# start time et $et ;# end time report:plot } report:show