condition	mean	min	max
4 h after light	2.2	2.2	2.2
8 h after light	3.3499999999999996	2.4	4.3
12 h after light	2.1	2.1	2.1
4 h after dark	2.75	2.1	3.4
8 h after dark	2.1	1.6	2.6
12 h after dark	2.8	2.7	2.9