Historical data view on mbed OS

I just managed my mbed webapp to work on my local host.(using https://github.com/ARMmbed/mbed-webapp-example) I can get /put/post data, but I am looking for a way to get some historical data view chart, not only the last updated value.
Any advice? Thanks.

At the moment mbed Device Connector does not offer historical data, just an interface to connect to devices. Personally I dump my data into Bluemix or AWS.

Thank you for your answer.
Can you give me more information on sending data to Bluemix? Is it free of charge?
Can I do that over Device Connector or maybe over my webapp with push notification or some other way?

Take a look at this article from IBM. It should explain most things.

Thanks, it helps a lot.