Hi, YES, I'm not receiving the outTemp and outHumidity , so as you said, that's why pressure and altimeter is not being calculated.
Now I have to investigate why these sensors are not working. Thank you for your help +-------------------------+--------------------+--------------------+--------------------+-------------------+ | from_unixtime(datetime) | barometer| pressure | altimeter | outTemp | outHumidity | +-------------------------+--------------------+--------------------+--------------------+-------------------+ | 2023-04-28 13:23:00 | 30.059 | 26.58 | 30.15 | 60.6 | 88 | | 2023-04-28 13:22:00 | 30.06 | 26.58 | 30.16| 60.7 | 89 | ... | 2023-04-28 10:44:00 | 30.014 | NULL | NULL | NULL | NULL | | 2023-04-28 10:43:00 | 30.01 | NULL | NULL | NULL | NULL | ... Em qui., 27 de abr. de 2023 às 22:02, gjr80 <[email protected]> escreveu: > To understand what could be going wrong you need to understand how WeeWX > obtains the three pressure values. For Davis stations the vantage driver > emits WeeWX field barometer and WeeWX then calculates pressure and > altitude. pressure is calculated first using values for barometer, outTemp > and outHumidity as well as outTemp 12 hours ago. If any of these values > do not exist pressure is not calculated. WeeWX then calculates altimeter > using the just calculated pressure value and station altitude. If either > of theses values do not exist then altitude is not calculated. > > Given that you have no missing barometer data it is quite possible the > lack of pressure and altimeter is due to missing outTemp or outHumidity. > If both outTemp and outHumidity are present it could be missing outTemp > from 12 hours ago. Try adding outTemp and outHumidity to your query, if > both fields are present look at outTemp 12 hours (or 43200 seconds) ago. > > Hopefully this should reveal the final part of the reason why pressure > and altimeter are not being calculated, but it won't show the underlying > cause. I cannot think of a reason why any of the obs concerned 'disappear' > at/near sun rise/set. Is this repeatable, ie happens every day or is it > sporadic? If every day then try stopping the WeeWX daemon and run WeeWX > directly before sunset and observe the loop packets (LOOP: lines) and > archive records (REC: lines) on the console and see what obs disappear > when. > > You do have a very short archive interval of one minute, though your > station should be emitting loop packets every two odd seconds so WeeWX > should be seeing multiple loop packets each archive period. On top of that > each loop packet should contain outTemp, outHumidity and barometer > (unlike some stations that do not include all obs in each loop packet). So > whilst short, I don't think your archive interval is contributing to the > problem. > > Gary > On Friday, 28 April 2023 at 05:28:45 UTC+10 [email protected] wrote: > >> Hi, >> two times a day, the pressure from mu davis vantage vue is beeing >> calculated as null >> >> here is the mysql archive: >> MariaDB [weewx]> select >> from_unixtime(datetime),barometer,pressure,altimeter from archive order by >> datetime desc limit 50; >> >> +-------------------------+--------------------+--------------------+--------------------+ >> | from_unixtime(datetime) | barometer | pressure | >> altimeter | >> >> +-------------------------+--------------------+--------------------+--------------------+ >> | 2023-04-27 18:36:00 | 30.035 | NULL | >> NULL | >> | 2023-04-27 18:35:00 | 30.035 | NULL | >> NULL | >> | 2023-04-27 18:34:00 | 30.034 | NULL | >> NULL | >> | 2023-04-27 18:33:00 | 30.034 | 26.58821997477311 | >> 30.160739007773113 | >> | 2023-04-27 18:32:00 | 30.034 | 26.588551871590237 | >> 30.161106590655088 | >> >> it happens every day near down and dusk >> >> i couldnt find anything in the logs >> wee_device --current is reading the barometer OK >> > -- > You received this message because you are subscribed to a topic in the > Google Groups "weewx-user" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/weewx-user/HxKk1OPPn_c/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/weewx-user/b625c4ca-c87e-4b60-9d6e-f32267bd2bf5n%40googlegroups.com > <https://groups.google.com/d/msgid/weewx-user/b625c4ca-c87e-4b60-9d6e-f32267bd2bf5n%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/CANLZ0c5JtOVyFVjXEL58hb9KPfrCvGtsAJw_V3cC%3DDcWAjTjdQ%40mail.gmail.com.
