condition	mean	min	max
4 h after light	12.0	12.0	12.0
8 h after light	6.5	1.9	11.1
12 h after light	2.8499999999999996	2.8	2.9
4 h after dark	8.45	2.8	14.1
8 h after dark	6.0	5.3	6.7
12 h after dark	20.65	8.8	32.5