condition	mean	min	max
4 h after light	2.3	2.3	2.3
8 h after light	19.3	3.7	34.9
12 h after light	6.95	6.7	7.2
4 h after dark	31.4	11.5	51.3
8 h after dark	4.7	1.9	7.5
12 h after dark	18.25	9.2	27.3