Thank you for the reply Gary. Managed to get the driver to calculate the density altitude and output it to the same csv file with all the other readings. Would I still need to add the service, or what would be the best way to add my custom data field into the loop packets and archive?
Thank You Jacob On Saturday, September 22, 2018 at 4:53:02 PM UTC-6, Jacob Wood wrote: > > I would like to show density altitude and display an image graph on the > weewx html page. > > I'm running a raspberry pi with an i2c sensor. > > I'm guessing the best way would be to have it calculated in software (formula > here > <https://en.wikipedia.org/wiki/Density_altitude#The_National_Weather_Service_(NWS)_Formula>), > > how dewpoint is calculated? I just don't understand when and where weewx > calculates dewpoint and records it to a database. > > I do have very little experience debian/python and everything else, so any > help would be appreciated! >
