condition	mean	min	max
4 h after light	20.1	20.1	20.1
8 h after light	34.2	11.9	56.5
12 h after light	27.75	13.2	42.3
4 h after dark	7.5	6.4	8.6
8 h after dark	35.5	10.6	60.4
12 h after dark	6.25	5.0	7.5