there have been numerous threads over many years discussing the different types of ‘pressure’ and what they mean. very briefly, atmospheric pressure reduces with altitude, so there is a standard altitude (sea level) for comparison purposes
> On 25 Sep 2020, at 5:49 pm, Tim Tuck <t...@skybase.net> wrote: > > It's curious as to why there are so many outputs for pressure, and why do > they have a difference of 8 ? -- 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/4A0EDB45-3F3A-4A95-A065-0C219D566B8C%40gmail.com.
