condition	mean	min	max
4 h after light	11.7	11.7	11.7
8 h after light	5.75	3.0	8.5
12 h after light	16.2	10.7	21.7
4 h after dark	4.2	1.6	6.8
8 h after dark	15.25	12.9	17.6
12 h after dark	13.200000000000001	10.3	16.1