condition	mean	min	max
0 h after light	9.159175	8.93423	9.38412
4 h after light	9.07526	8.2748	9.87572
8 h after light	15.05175	14.946	15.1575
4 h after dark	19.974899999999998	16.6574	23.2924
8 h after dark	12.52955	12.1537	12.9054
12 h after dark	10.299150000000001	9.8916	10.7067