condition	mean	min	max
4 h after light	6.148070000000001	4.8349	7.46124
8 h after light	9.808440000000001	9.50058	10.1163
12 h after light	9.81956	9.39342	10.2457
4 h after dark	11.60425	11.3559	11.8526
8 h after dark	6.045780000000001	5.82193	6.26963
12 h after dark	7.418175	7.34195	7.4944