condition	mean	min	max
4 h after light	18.3	18.3	18.3
8 h after light	8.049999999999999	1.9	14.2
12 h after light	7.75	2.2	13.3
4 h after dark	1.75	1.3	2.2
8 h after dark	10.799999999999999	1.2	20.4
12 h after dark	7.35	2.0	12.7