Figured it out, for any others that may come across this. This one is nestled in a wiki page and not on the main help pages.
https://github.com/weewx/weewx/wiki/Accumulators On Tuesday, July 6, 2021 at 11:50:56 AM UTC-4 bdf0506 wrote: > Copied the wrong text. Same question still applies. > > *WeeWX then compiles these LOOP packets into regularly spaced "archive > records." For most types, the archive record contains the average value > seen in all of the LOOP packets over the archive interval (typically 5 > minutes). For extensive types, such as rain, it is the sum of all values > over the archive interval.* > > > On Tuesday, July 6, 2021 at 11:38:28 AM UTC-4 bdf0506 wrote: > >> I have created a second rain field in weewx. I see that when the rain >> packets come in, they properly post the amounts to MQTT as they happen, so >> I know that the fields are being extracted properly. >> >> However, when the archive interval runs, rather than taking the sum of >> the fields over the archive period like I would like, it is instead taking >> the average (which I know is by design), which is skewing my data. How can >> I tell weewx to use the sum for this custom field rather than the average? >> >> I see on the customization guide that it says the following, but no >> mention of how to customize this: >> >> *LOOP packets may contain arbitrary data from the station/driver in the >> form of a Python dictionary. Each LOOP packet must contain a time stamp, >> and a unit system, in addition to any number of observations, such as >> temperature or humidity. For extensive types, such as rain, the packet >> contains the total amount of rain that fell during the observation period.* >> > -- 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. To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/6b2ea489-ad4d-4f79-ad46-56d0126e9a82n%40googlegroups.com.