# ovn\_mean

This is the value that is used by the model. The [ovn\_min](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/ovn_table.lum/ovn_min) and [ovn\_max](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/ovn_table.lum/ovn_max) values are included in the file to help users stay within reasonable ranges during calibration.
