> 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/climate/atmo.cli/num_aa.md).

# num\_aa

Number of months or years data is available for

{% hint style="info" %}
For monthly and yearly data, the number of months and number of years of atmospheric deposition data included in the file should be entered, respectively. For average annual data this parameter should be set to 0.
{% endhint %}