condition	mean	min	max
4 h after light	1.5	1.5	1.5
8 h after light	1.0	0.9	1.1
12 h after light	1.35	0.8	1.9
4 h after dark	12.799999999999999	0.9	24.7
8 h after dark	1.1	0.4	1.8
12 h after dark	1.3	1.1	1.5