condition	mean	min	max
4 h after light	1.5	1.5	1.5
8 h after light	7.050000000000001	4.8	9.3
12 h after light	4.45	1.5	7.4
4 h after dark	9.2	5.2	13.2
8 h after dark	16.55	2.3	30.8
12 h after dark	21.0	6.9	35.1