condition	mean	min	max
4 h after light	53.7	53.7	53.7
8 h after light	32.75	8.5	57.0
12 h after light	22.25	6.6	37.9
4 h after dark	8.45	7.2	9.7
8 h after dark	10.65	8.9	12.4
12 h after dark	45.7	24.0	67.4