condition	mean	min	max
4 h after light	11.17115	10.7462	11.5961
8 h after light	13.175049999999999	12.0925	14.2576
12 h after light	12.0075	11.4774	12.5376
4 h after dark	16.874850000000002	15.4165	18.3332
8 h after dark	19.75175	19.37	20.1335
12 h after dark	20.851149999999997	20.304	21.3983