I would try to include a try-except clause around that comparison like that:
try: if threshold > maxThreshold: maxThreshold = threshold except ValueError: print(threshold,maxThreshold) and see what the values are. May be one of them is None or NaN. >> -- 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/a1be6962-607a-4312-82cc-a05bd4df9751n%40googlegroups.com.