what are the database values for rain? not sure what the almanac is - or do you mean database? does your database store rain, ticks or both?
On Tuesday, 20 August 2019 08:02:07 UTC+3, mph wrote: > > Ok, > > I've decoded all the almanac data and there is an excerpt: > > 01:19:00, 265 ticks > 01:49:00, 267 = 2 > 02:19:00, 268 = 1 > 02:49:00, 271 = 2 > 04:49:00, 272 = 1 > 05:49:00, 273 = 1 > 07:49:00, 274 = 1 > 08:19:00, 275 = 1 > 10:49:00, 276 = 1 > 19:19:00, 279 = 3 > > As you may see, my almanac has 30 min interval, all times are local time. > Between 01:19 and 03:00 local time there are 5 ticks recorded, but weewx > shows just 4 ticks. This is one missing tick. > > The fact is, that at 02:17 local time my RPi is backing up the weewx > database to local file server. It took less than one minute and I am doing > it "safe way" - weewx stop/DB copy/weewx start. > But if the weewx/te923 driver is losing tick in that period, then theres > something wrong - current station data always show actual tick count and it > is correct. > Seems there may be a problem with "tick-delta" calculation. > > Maybe upon service restart the weewx/te923 driver should read the latest > recorded tick count and then start to compute the delta ticks from current > loop record. > > > mph > > Dne pondělí 19. srpna 2019 22:36:46 UTC+2 mph napsal(a): >> >> [image: dayrain.png] >> Hello, >> >> today it was a bit rainy here and my weather station Garni 857 (Hideki >> clone) is showing the 24h rain volume as 9.8 mm (14 bucket tips of 0.7 mm >> each). >> But weewx shows just 7.9 mm of rain (12 bucket tips with weewx/te923 >> driver bucket volume correction 0.7 -> ~0.65 mm). >> >> Seems that 2 of the bucket tips are lost by weewx/te923 driver. >> >> The today weewx rain history is visible on the attached image. >> Please, see attached txt file with almanac read from the station using >> wee_device --history. >> Only the changes of the "rain" value are included. >> At the end of the file is copy of the result of wee_device --current call. >> >> The "rain" field changed from 265 to 279 tips in last 24 hours. >> But weewx image shows just 12 tips. >> >> My weather system is backed-up and there's no drop or loss in the weather >> data. >> >> Any suggestions? >> >> Thank you >> Pavel >> > > -- 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/f3ad8fba-f39a-4a4e-a806-7ffc25176167%40googlegroups.com.
