Thanks, that has fixed it. It appears (i think), that you have to zero the rainRate also, else some strange figures appear.
This is where I had gone wrong I think. -- 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/96a9f3a1-859b-458e-bd7a-248928ac09a8%40googlegroups.com.