condition	mean	min	max
4 h after light	2.2	2.2	2.2
8 h after light	3.4	2.3	4.5
12 h after light	4.6	4.0	5.2
4 h after dark	2.95	2.7	3.2
8 h after dark	2.4000000000000004	2.1	2.7
12 h after dark	2.65	1.9	3.4