Monthly average

Dear node-red family members,
I am collecting data from a machine, which send out parameters(values between 20 &50) once every second.

Is it possible to that I can find monthly average from Ui without the help of additional data base??

I'm a bit worried about crashing node red. so I'm looking forward to save values to excel sheet and find an average from it.

Any suggestions and ideas will be appreciated.

A database is far easier than excel. And file backed context storage is even easier.

Here is an example of what you can add to your settings file to enable 2 context stores (one of them backed up to file): Problem with multiple context stores - #7 by zenofmud

And here are the docs: Working with context : Node-RED

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