condition	mean	min	max
0 h after light	6.566465	5.72765	7.40528
4 h after light	6.68521	5.98569	7.38473
8 h after light	9.18035	7.8461	10.5146
4 h after dark	7.829605000000001	7.16382	8.49539
8 h after dark	7.4076	7.39027	7.42493
12 h after dark	5.494	4.92583	6.06217