condition	mean	min	max
4 h after light	1.9	1.9	1.9
8 h after light	2.55	2.3	2.8
12 h after light	2.3499999999999996	1.4	3.3
4 h after dark	13.1	1.5	24.7
8 h after dark	6.85	6.8	6.9
12 h after dark	8.6	2.3	14.9