condition	mean	min	max
4 h after light	6.2	6.2	6.2
8 h after light	24.2	6.3	42.1
12 h after light	16.4	13.2	19.6
4 h after dark	23.75	19.8	27.7
8 h after dark	27.5	22.5	32.5
12 h after dark	26.700000000000003	25.6	27.8