condition	mean	min	max
4 h after light	3.8	3.8	3.8
8 h after light	22.1	13.6	30.6
12 h after light	16.6	8.0	25.2
4 h after dark	45.1	12.0	78.2
8 h after dark	17.25	6.3	28.2
12 h after dark	25.75	24.4	27.1