Weewx doesn't round anything. It just passes values on to the database. How the database handles it depends on the type of database, driver, and how it's configured.
-tk On Sat, Apr 1, 2017 at 11:03 AM, Craig Thom <craigt...@gmail.com> wrote: > I'm working an a RPi SPI service to read a BMP280. > > The BMP280 can produce 16 to 20 bit values for pressure, depending on how > it's configured. With the default 16 bits it says it is accurate to within > 2.62 Pa. > > That's a lot finer resolution than anything I've seen reported. Is weewx > going to use the extra data going from 2.62 Pa to 0.16 Pa accuracy, or is > it just going to be rounded off? >
