condition	mean	min	max
4 h after light	12.0	12.0	12.0
8 h after light	3.0999999999999996	2.9	3.3
12 h after light	18.4	4.3	32.5
4 h after dark	21.1	1.7	40.5
8 h after dark	25.25	9.7	40.8
12 h after dark	6.3	6.3	6.3