condition	mean	min	max
4 h after light	10.011299999999999	8.8647	11.1579
8 h after light	9.610705	8.71171	10.5097
12 h after light	8.464795	8.20316	8.72643
4 h after dark	12.32475	11.0905	13.559
8 h after dark	11.68145	10.2456	13.1173
12 h after dark	10.9208	10.1438	11.6978