> For the complete documentation index, see [llms.txt](https://swatplus.gitbook.io/io-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://swatplus.gitbook.io/io-docs/introduction-1/hydrology/snow.sno/fall_tmp.md).

# fall\_tmp

Snowfall temperature

Mean air temperature at which precipitation is equally likely to be rain as snow/freezing rain.