condition	mean	min	max
2 h after light	8.268793333333333	7.33589	8.79478
6 h after light	9.05953	5.36109	11.8123
10 h after light	6.634403333333333	5.32283	7.30149
2 h after dark	9.6576	8.46656	10.7083
6 h after dark	12.949016666666667	7.98545	16.1941
10 h after dark	6.80731	4.59764	8.27071