condition	mean	min	max
4 h after light	2.3	2.3	2.3
8 h after light	2.95	2.0	3.9
12 h after light	4.4	1.9	6.9
4 h after dark	3.65	2.7	4.6
8 h after dark	4.6	3.1	6.1
12 h after dark	2.35	2.2	2.5