condition	mean	min	max
4 h after light	16.22205	16.0015	16.4426
8 h after light	12.0836	11.3577	12.8095
12 h after light	9.411825	8.44795	10.3757
4 h after dark	20.60565	19.6977	21.5136
8 h after dark	22.2655	21.644	22.887
12 h after dark	18.863799999999998	18.4786	19.249