condition	mean	min	max
4 h after light	1.0	1.0	1.0
8 h after light	13.25	0.9	25.6
12 h after light	25.85	22.6	29.1
4 h after dark	8.65	1.9	15.4
8 h after dark	16.8	4.4	29.2
12 h after dark	24.9	19.1	30.7