Food, Shelter, Clothing, Healthcare.
Touch? As shown with old studies on babies who died without physical contact, humans have a need for physical contact.
Grocery store quality, with the ability to follow the food pyramid.
> what size shelter and in what location?
A room with a bed and a desk. Somewhere. Probably shouldn't force them to move to a different city.
> What brand of clothing and how many outfits?
Generic brand, 5-10.
> What level of health care?
Medicaid.
That wasn't very hard. If you don't like that answer, then just give people some multiplier of the poverty line amount.
The exact number is not the important part, so don't fixate on how it's calculated.
That's where Basic Income or something like it shines. You don't have to micromanage -- you look at averages for the area and give a lump sum and let the individual figure it out.