condition	mean	min	max
4 h after light	2.0	2.0	2.0
8 h after light	3.45	2.1	4.8
12 h after light	1.75	1.6	1.9
4 h after dark	1.9500000000000002	1.8	2.1
8 h after dark	1.6500000000000001	1.1	2.2
12 h after dark	5.3	3.0	7.6