condition	mean	min	max
4 h after light	1.9	1.9	1.9
8 h after light	4.25	2.3	6.2
12 h after light	4.199999999999999	2.3	6.1
4 h after dark	1.9	1.5	2.3
8 h after dark	4.1	2.8	5.4
12 h after dark	1.9500000000000002	1.8	2.1