condition	mean	min	max
4 h after light	8.69125	8.04557	9.33693
8 h after light	8.911204999999999	8.66506	9.15735
12 h after light	9.213875	8.75271	9.67504
4 h after dark	11.76705	11.1024	12.4317
8 h after dark	12.72065	12.2468	13.1945
12 h after dark	10.196349999999999	10.0649	10.3278