condition	mean	min	max
0 h after light	9.152385	7.73027	10.5745
4 h after light	7.016705	6.98892	7.04449
8 h after light	4.58123	4.07293	5.08953
4 h after dark	8.015699999999999	7.85927	8.17213
8 h after dark	8.621715	8.44421	8.79922
12 h after dark	7.327465	6.27907	8.37586