condition	mean	min	max
0 h after light	16.87415	16.7195	17.0288
4 h after light	14.3205	14.1148	14.5262
8 h after light	20.762900000000002	20.3575	21.1683
4 h after dark	23.51515	20.8992	26.1311
8 h after dark	20.3833	20.3009	20.4657
12 h after dark	17.480400000000003	16.6886	18.2722