condition	mean	min	max
4 h after light	5.51623	4.88214	6.15032
8 h after light	7.27747	7.11855	7.43639
12 h after light	8.934180000000001	7.9572	9.91116
4 h after dark	13.34975	12.5654	14.1341
8 h after dark	8.134165	7.15915	9.10918
12 h after dark	8.77586	8.35412	9.1976