condition	mean	min	max
4 h after light	19.9	19.9	19.9
8 h after light	11.1	8.6	13.6
12 h after light	11.649999999999999	4.6	18.7
4 h after dark	16.25	10.5	22.0
8 h after dark	8.9	5.7	12.1
12 h after dark	11.4	8.3	14.5