condition	mean	min	max
0 h after light	8.0267	8.02571	8.02769
4 h after light	6.875970000000001	6.5712	7.18074
8 h after light	5.87404	5.80744	5.94064
4 h after dark	8.72142	7.9477	9.49514
8 h after dark	9.324114999999999	9.28499	9.36324
12 h after dark	7.986985	7.65476	8.31921