condition	mean	min	max
4 h after light	5.5	5.5	5.5
8 h after light	18.0	10.3	25.7
12 h after light	11.6	5.5	17.7
4 h after dark	3.5999999999999996	2.9	4.3
8 h after dark	6.449999999999999	4.8	8.1
12 h after dark	3.1	1.5	4.7