condition	mean	min	max
4 h after light	3.8	3.8	3.8
8 h after light	2.4	2.3	2.5
12 h after light	2.25	1.9	2.6
4 h after dark	1.75	1.6	1.9
8 h after dark	2.05	1.7	2.4
12 h after dark	2.55	1.8	3.3