condition	mean	min	max
0 h after light	8.284515	7.17931	9.38972
4 h after light	5.0928	4.87679	5.30881
8 h after light	5.003795	4.93252	5.07507
4 h after dark	8.050049999999999	6.0717	10.0284
8 h after dark	11.53215	10.1013	12.963
12 h after dark	8.87316	7.9876	9.75872