condition	mean	min	max
4 h after light	1.3	1.3	1.3
8 h after light	9.75	3.0	16.5
12 h after light	1.15	1.1	1.2
4 h after dark	1.35	0.8	1.9
8 h after dark	7.8500000000000005	1.3	14.4
12 h after dark	0.85	0.7	1.0