condition	mean	min	max
3 h after light	8.25882	7.80626	8.62635
6 h after light	10.064313333333333	7.99644	12.1631
9 h after light	13.580066666666667	11.9201	16.6568
12 h after light	15.93525	12.2502	20.0152
3 h after dark	15.996366666666667	14.3339	17.4905
6 h after dark	12.207	10.2976	13.4311
9 h after dark	9.01977	7.65083	10.318
12 h after dark	7.722165	6.99825	8.44608