condition	mean	min	max
4 h after light	8.6	8.6	8.6
8 h after light	25.5	23.1	27.9
12 h after light	4.85	2.5	7.2
4 h after dark	4.55	3.5	5.6
8 h after dark	11.8	4.4	19.2
12 h after dark	11.35	1.8	20.9