On Monday, April 18, 2022 at 3:48:30 AM UTC-4 [email protected] wrote:

> The sensor is being reported by RTL as the Bresser5in1, with a rainfall 
> value in mm.  I'm guessing this is total over time? Though it doesn't match 
> to any way shown on the internal display.  
>

the value rain_mm *should* be the amount of rain that fell within the 
preceding LOOP interval.  you can verify it by looking at the observation 
values when you run the weewx-sdr driver (not weewxd!) directly.  see the 
weewx-sdr readme for instructions about how to run the driver directly.
 

>     [[deltas]]
>         rain = rain_mm
>

you want this:

    rain = rain_total

in fact, you do not have to specify any deltas at all, since 'rain = 
rain_total' is one of the deltas defined in the default SDR configuration.

the 'deltas' section says "for each interval, make the observation on the 
left the value of the difference of the value of the observation on the 
right over the interval"

m 

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