condition	mean	min	max
4 h after light	1.7	1.7	1.7
8 h after light	2.25	2.1	2.4
12 h after light	1.9000000000000001	1.6	2.2
4 h after dark	2.2	2.2	2.2
8 h after dark	2.3	2.2	2.4
12 h after dark	2.55	2.5	2.6