condition	mean	min	max
4 h after light	1.9	1.9	1.9
8 h after light	2.25	1.7	2.8
12 h after light	5.95	5.0	6.9
4 h after dark	4.5	2.2	6.8
8 h after dark	2.95	1.4	4.5
12 h after dark	5.8500000000000005	1.9	9.8