condition	mean	min	max
4 h after light	3.5	3.5	3.5
8 h after light	1.0	0.9	1.1
12 h after light	5.6000000000000005	1.3	9.9
4 h after dark	5.55	2.4	8.7
8 h after dark	6.9	6.1	7.7
12 h after dark	1.85	1.5	2.2