Hi Tom, Thanks! The confusing thing for me is that the database is showing 0.0 for the rainRate in those bad intervals. Wouldn't I expect to see 655.35 in those archive intervals instead of 0.0? On Monday, July 3, 2023 at 3:58:05 PM UTC-4 Tom Keffer wrote:
> I think these are all related. If your VP2 receives a "dash value", that > means the reading from the sensor is bad. The WeeWX Vantage driver detects > this, and emits a value of None, which becomes a null value in the > database. For whatever reasons, the outside temperature and humidity > sensors are emitting dash values, so you're seeing corresponding null > values in their database fields. > > However, dash values are NOT detected for rain rate, so you'll see 0xFFFF > as the value. The documentation does not mention that a dash value is > possible for rain rate, but obviously it is. That's a change that needs to > be made to the driver. > > As for why these sensors are emitting null (aka, "dash") values, I don't > know. Something going on with your hardware. Because it is happening to 3 > different sensors at the same time, it makes me think it must be something > they all have in common. Perhaps the battery, perhaps the communications > module, perhaps something else. It's worth asking Davis. > > Fixed in commit dea4b30 > <https://github.com/weewx/weewx/commit/dea4b30317fac63428ae47c1b08fe31433d0d232> > . > > -tk > > On Mon, Jul 3, 2023 at 4:59 AM Jared <[email protected]> wrote: > >> Hi, >> >> I'm running a Vantage Pro 2, and there have been four occurrences so far >> this year where it has failed to log an outTemp and outHumidity value in >> the database for a period of several archive intervals. >> >> If I run a query like this: >> >> select >> dateTime,barometer,inTemp,outTemp,inHumidity,outHumidity,windSpeed,windDir,windGust,windGustDir,rain,rainRate,rxCheckPercent,txBatteryStatus,consBatteryVoltage >> >> from archive where outTemp IS NULL; >> >> The station is logging everything normally except outTemp and >> outHumidity. This is going to format terribly but it may help: >> >> dateTime barometer inTemp outTemp inHumidity outHumidity >> windSpeed windDir windGust windGustDir rain rainRate >> rxCheckPercent txBatteryStatus consBatteryVoltage >> ---------- ---------- ---------- ---------- ---------- ----------- >> ---------- ---------- ---------- ----------- ---------- ---------- >> -------------- --------------- ------------------ >> 1688358000 29.879 76.9 42.0 >> 0.0 0.0 0.0 0.0 >> 99.4375 0.0 4.79 >> 1688358300 29.875 76.7 42.0 >> 0.0 0.0 0.0 0.0 >> 99.4375 0.0 4.79 >> 1688358600 29.873 76.7 42.0 >> 0.0 0.0 0.0 0.0 >> 99.4375 0.0 4.79 >> 1688358900 29.875 76.6 42.0 >> 0.0 0.0 0.0 0.0 >> 100.0 0.0 4.79 >> 1688359200 29.872 76.5 42.0 >> 0.0 0.0 0.0 0.0 >> 99.4375 0.0 4.79 >> >> First, I wonder if there is a problem with my station's sensor. I'll >> have to investigate that. Three occurrences of this happened over the >> winter, and just last night was the first time it's happened in months. >> Any tips here are appreciated, but I know that's well outside the scope of >> the forum :) >> >> But for whatever reason, this also messes up the rainRate records. As >> you can see there's no strange rain data in the archive, so I'm not sure >> how it's causing the rainRate records to have that value (FFFF in hex). >> All the other values and tables aside from archive are generated by Weewx, >> right? >> >> Any help is appreciated. I've just been deleting these bad records from >> archive and rebuilding the daily tables, but let me know if there's >> something I else I should be doing. >> >> -- >> You received this message because you are subscribed to the Google Groups >> "weewx-user" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/weewx-user/2dbc9618-d9f1-4533-80fc-f642d8e4f5aan%40googlegroups.com >> >> <https://groups.google.com/d/msgid/weewx-user/2dbc9618-d9f1-4533-80fc-f642d8e4f5aan%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- You received this message because you are subscribed to the Google Groups "weewx-user" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/34dfb434-72ef-4772-8878-15cc11e2e58fn%40googlegroups.com.
