condition	mean	min	max
4 h after light	3.0	3.0	3.0
8 h after light	10.25	1.7	18.8
12 h after light	13.100000000000001	9.9	16.3
4 h after dark	21.15	19.4	22.9
8 h after dark	12.75	11.8	13.7
12 h after dark	2.9	1.7	4.1