condition	mean	min	max
0 h after light	9.93131	9.36162	10.501
4 h after light	10.76717	9.42364	12.1107
8 h after light	21.7164	20.9865	22.4463
4 h after dark	18.671599999999998	16.1961	21.1471
8 h after dark	16.7631	15.2613	18.2649
12 h after dark	10.75854	9.18808	12.329