condition	mean	min	max
4 h after light	1.7	1.7	1.7
8 h after light	3.4	2.0	4.8
12 h after light	2.2	1.9	2.5
4 h after dark	3.95	1.9	6.0
8 h after dark	3.8	2.9	4.7
12 h after dark	2.4000000000000004	2.2	2.6