have you checked the archive to see if you have a negative value in the interval column??
select dateTime, interval from archive where interval < 0; should tell you. On Sunday, 3 February 2019 12:20:46 UTC+2, jard...@gmail.com wrote: > > It's works perfectly with my custom Davis Weather Monitor II Driver. > -- 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 weewx-user+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.