Here’s a link for everyone reading this on mobile who doesn’t feel like typing manually: https://howlongtobeat.com/

I had never heard of this site but now I feel hopeful I can work through a couple years worth of humble monthly picks.

https://www.mp3tag.de/en/ could be useful if your files are already uniformly named and if you’re on Windows

https://en.m.wikipedia.org/wiki/Sweetening_(show_business) gives a quick rundown.

In television, sweetening refers to the use of a laugh track in addition to a live studio audience. The laugh track is used to “enhance” the laughter for television audiences, sometimes in cases where a joke or scene intended to be funny does not draw the expected response, and sometimes to avoid awkward sound edits when a scene is shortened or more than one take is used in editing.

I’ve always just used https://www.nhc.noaa.gov/ for official data and https://www.windy.com/ to check out stuff like pressure and wind speed