condition	mean	min	max
3 h after light	10.349395	6.30902	14.061
7 h after light	8.8898075	5.52913	12.0558
11 h after light	9.56479	4.45133	14.8673
2 h after dark	8.9509475	4.70624	12.1364
6 h after dark	9.0965325	5.43016	12.6691
10 h after dark	9.394845	5.38078	14.0741