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rain amount as running total?

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DrTron:
All,

I currently have a rather simple setup to measure rain: a cheap tipping bucket gauge where I just count the tips and multiply them with the bucket size to get rain amounts. That results in a running total that I write into an influx database, from where I derive things like daily/weekly/monthly/yearly totals and the rain rate. I feed that total into weewx via mqtt, although while the hourly and such rain amounts are shown, I recently noticed that the running total (about 5000mm so far) doesn't make it into the database. Maybe the number is too high?

In any case, I'm considering moving to a better rain gauge (current placement isn't optimal) such as an Ecowitt WH40 (I already have the GW1100 gateway).

From what I gathered that gives me instant rain amounts, and also summarized totals. With that, the data stream would be reversed (GW1100 to weewx and from there via mqtt to influxdb). Is there a way to manage my running total in weewx? All I need is to store that total (5000+ mm) in the database and have any rain falling added to that number. Is that possible? I suppose that weewx would then derive hourly/daily etc. totals from the difference, as it does now.

Thanks!

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