condition	mean	min	max
4 h after light	1.8	1.8	1.8
8 h after light	9.35	3.8	14.9
12 h after light	12.100000000000001	3.6	20.6
4 h after dark	8.45	1.7	15.2
8 h after dark	18.15	2.4	33.9
12 h after dark	9.6	6.3	12.9