condition	mean	min	max
4 h after light	13.8	13.8	13.8
8 h after light	6.949999999999999	6.6	7.3
12 h after light	8.45	3.4	13.5
4 h after dark	21.15	8.5	33.8
8 h after dark	23.85	20.1	27.6
12 h after dark	13.9	0.8	27.0