The plot data are taken directly from the database, so there must still be a bad point in there. To find, see the Wiki article *Clean up old 'bad' data <https://github.com/weewx/weewx/wiki/Cleaning-up-old-'bad'-data>.*
-tk On Wed, Jan 30, 2019 at 8:35 AM John Masters <jbertmast...@gmail.com> wrote: > Well, i found my mistake - Weewx was set to accept Fahrenheit units! > > I changed the script to convert the data to Fahrenheit before sending it, > and now the extraTemp1 displays Pond Temperature correctly. > > Next i deleted out the spurious data from the database and restarted weewx > (as per wiki). Fine, the old incorrect stuff has gone, but the first > datapoint after starting weewx plots as 40 Centigrade. Subsequent data > plots normally. I restarted again to be sure, and the same thing happened > again. > http://hybrasil.biz/weather/index.html > > Where should i look to stop that happening? > > Thanks > John > > -- > 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. > -- 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.