condition	mean	min	max
0 h after light	11.331199999999999	11.1298	11.5326
4 h after light	6.59682	6.53728	6.65636
8 h after light	7.767295	7.66803	7.86656
4 h after dark	9.12349	8.71257	9.53441
8 h after dark	9.69844	9.19398	10.2029
12 h after dark	10.575095	8.94939	12.2008