For me length is an obvious point. For example, how many mm of water fell on the lawn or the roof. :D Either way, l/m² vs. mm: it is exactly the same. With l/m² you specify a length unit more commonly known as mm.
vince schrieb am Sonntag, 1. Juni 2025 um 21:03:25 UTC+2: > Volume per unit of area to me is an obvious point. For example how many > liters of water fell on their lawn or roof. > > On Sunday, June 1, 2025 at 11:37:14 AM UTC-7 [email protected] wrote: > >> I don't get the point why one would want to use m³/m² which cancels to m >> in the first place. >> >> Karen K schrieb am Sonntag, 1. Juni 2025 um 06:47:30 UTC+2: >> >>> As you already said, mm and l/m^2 have the same values. So you could >>> set up rain to mm and change the label for mm to " l/m^2". This can be >>> done in weewx.conf >>> >>> Stefan Gliessmann schrieb am Freitag, 30. Mai 2025 um 09:51:55 UTC+2: >>> >>>> Dear all, >>>> >>>> I always struggle when I want to change the unit of a certain entity. >>>> This time, it is rain and rain rate. The WeeWX default is cm and cm/h, >>>> respectively. >>>> I would like to change it to l / m2 and l /m2 / h. >>>> The calculation seems straight forward as 1 mm rain = 1 liter / m2 rain >>>> and its rate accordingly as 1 mm / h = 1 l/(m2 h). >>>> Do I add this as a new label in weewx.conf under [Units] or do I add a >>>> new unit in extensions.py as per >>>> https://weewx.com/docs/5.1/custom/units/ ? >>>> >>>> Any help / hint would be highly appreciated! >>>> >>>> TIA, >>>> Stefan >>>> >>> -- 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 [email protected]. To view this discussion visit https://groups.google.com/d/msgid/weewx-user/b5722c78-b4e4-44ca-987b-2cebcd559b06n%40googlegroups.com.
