condition	mean	min	max
0 h after light	8.33685	7.59927	9.07443
4 h after light	7.28098	7.24564	7.31632
8 h after light	6.553545	6.1264	6.98069
4 h after dark	7.83316	6.6586	9.00772
8 h after dark	8.250454999999999	8.16522	8.33569
12 h after dark	7.28773	6.44931	8.12615