condition	mean	min	max
4 h after light	1.2	1.2	1.2
8 h after light	30.5	21.6	39.4
12 h after light	9.55	2.1	17.0
4 h after dark	4.2	1.9	6.5
8 h after dark	22.9	3.8	42.0
12 h after dark	24.45	23.2	25.7