WS90 Piezo rain

[ian...@kinnon.org]

Hi all,

I have a new WS90 and HP2560 successfully sending data to weewx, but I am struggling with rain

I have read loads of posts and have

[[sensor_map_extensions]]
        rain = drain_piezo
        rainRate = rrain_piezo

configured under 

[Interceptor]

I can see rain being added to the db, but in weewx I am seeing the rain as accumulating, ie every report of "'drain_piezo': 0.024" add another 0.024 so after a few hours it thinks there has been a massive amount of rain

Debug gives

Jun 24 10:33:16 weather weewxd[1156]: DEBUG user.interceptor: raw packet: {'dateTime': 1750757595, 'usUnits': 1, 'stationtype': 'EasyWeatherPro_V5.2.2', 'model': 'HP2564AE_Pro_V1.9.8', 'yrain_piezo': 0.028, 'runtime': 146104.0, 'temperature_in': 67.5, 'humidity_in': 59.0, 'barometer': 29.208, 'pressure': 29.208, 'temperature_out': 56.5, 'humidity_out': 93.0, 'wind_dir': 155.0, 'wind_speed': 1.79, 'wind_gust': 4.47, 'maxdailygust': 11.41, 'solar_radiation': 213.81, 'uv': 1.0, 'temperature_5': 61.9, 'humidity_5': 76.0, 'rrain_piezo': 0.0, 'erain_piezo': 0.0, 'hrain_piezo': 0.0, 'drain_piezo': 0.024, 'wrain_piezo': 0.028, 'mrain_piezo': 0.028, 'rain_total_piezo': 0.028, 'ws90cap_volt': 4.3, 'ws90_ver': 150.0, 'gain0': 1.0, 'gain1': 1.0, 'gain2': 1.0, 'gain3': 1.0, 'gain4': 1.0, 'battery_5': 0.0, 'wh90batt': 2.94, 'interval': 60.0, 'rain_piezo': 0.0}
Jun 24 10:33:16 weather weewxd[1156]: DEBUG user.interceptor: mapped packet: {'dateTime': 1750757595, 'usUnits': 1, 'pressure': 29.208, 'barometer': 29.208, 'outHumidity': 93.0, 'inHumidity': 59.0, 'outTemp': 56.5, 'inTemp': 67.5, 'windSpeed': 1.79, 'windGust': 4.47, 'windDir': 155.0, 'radiation': 213.81, 'rain': 0.024, 'rainRate': 0.0, 'UV': 1.0, 'extraTemp5': 61.9, 'extraHumid5': 76.0, 'bat_wind': 2.94, 'bat_rain': 4.3}

[Rainer Lang]

weewx is not different from the weewx database 😉 - the database is part of weewx.
I think what you are talking about is the depiction of the database (and current) data in a skin,n the weewx word for a web page, by default the Seansons skin.

How database data are depicted there depends on the definitions made in skin.conf - and usually that's what you want to see - the daily accumulation of rain broken down into 
timeslots and the accumulated rain in that period. Nothing wrong with it.

However, if you want to see something else, you have to change the depiction in your skin.conf
I suggest you read the weewx documentation and make yourself familiar with what options exist in the different stanzas (the [] [[]] etc. sections) and choose the one you like.
https://www.weewx.com/docs/5.1/custom/custom-reports/

by the way 0.024 inches are 0.06 mm or 6 ml/m² - not really much ....

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[michael.k...@gmx.at]

Make that 6cl/m² :)

[ian...@kinnon.org]

yes, I understand that the db is a fundamental part of the system :-)

I can see in the logs that every <interval> drain_piezo has a value, and this get added to the db in the rain field.

In the seasons skin for example, I am seeing the figure for Rain Today is actually the sum of all those drain_piezo for today

This was working fine with a previous weather station with traditional tipping bucket, so I guess I am mapping the wrong option in the interceptor section

logs show

'rrain_piezo': 0.0
 'erain_piezo': 0.008
 'hrain_piezo': 0.0
 'drain_piezo': 0.031
 'wrain_piezo': 0.035
 'mrain_piezo': 0.035
 'rain_total_piezo': 0.035

as available fields, so not sure if

     [[sensor_map_extensions]]
       rain = drain_piezo
        rainRate = rrain_piezo

needs to be mapping a different option, or if its the skin that needs changing

[vince]

I would guess erain rrain hrain drain wrain mrain are event rate hour day week month rain.

That leaves rain_piezo

Give https://www.wxforum.net/index.php?topic=39625.260;wap a read for details, which seem to agree.

On Tuesday, June 24, 2025 at 6:06:56 AM UTC-7 ian...@kinnon.org wrote: 

'rrain_piezo': 0.0, 'erain_piezo': 0.0, 'hrain_piezo': 0.0, 'drain_piezo': 0.024, 'wrain_piezo': 0.028, 'mrain_piezo': 0.028, 'rain_total_piezo': 0.028,, 'rain_piezo': 0.0}

[ian...@kinnon.org]

I have tried 

        rain = rain_piezo

and so far it is showing the same as the console, but we have only had a very small amount of rain today.

Thanks all