condition	mean	min	max
3 h after light	11.335915	5.88789	16.6009
7 h after light	13.847649166666667	7.74599	20.6175
11 h after light	12.590945	7.0269	20.5376
2 h after dark	11.76155	6.10576	20.1413
6 h after dark	9.6643125	5.93689	15.7371
10 h after dark	9.8670975	5.77119	16.0014