condition	mean	min	max
4 h after light	9.8	9.8	9.8
8 h after light	4.65	2.5	6.8
12 h after light	24.5	18.5	30.5
4 h after dark	42.25	3.1	81.4
8 h after dark	14.55	3.3	25.8
12 h after dark	12.9	10.8	15.0