condition	mean	min	max
4 h after light	22.0819575	22.056346	22.107569
8 h after light	19.350098000000003	18.700541	19.999655
12 h after light	24.1789535	21.769098	26.588809
4 h after dark	19.0843055	19.045454	19.123157
8 h after dark	20.479517	19.967717	20.991317
12 h after dark	23.477547	23.477547	23.477547