condition	mean	min	max
0 h after light	11.4312	10.8236	12.0388
4 h after light	7.1299150000000004	6.75947	7.50036
8 h after light	7.762735	7.5039	8.02157
4 h after dark	10.92643	9.09296	12.7599
8 h after dark	9.366624999999999	9.10697	9.62628
12 h after dark	8.7683	8.47442	9.06218