condition	mean	min	max
4 h after light	2.2	2.2	2.2
8 h after light	3.3499999999999996	2.8	3.9
12 h after light	2.6	2.0	3.2
4 h after dark	4.15	1.8	6.5
8 h after dark	5.0	2.8	7.2
12 h after dark	14.9	13.2	16.6