condition	mean	min	max
0 h after light	7.83905	7.60389	8.07421
4 h after light	6.628875	6.58563	6.67212
8 h after light	8.58389	8.5789	8.58888
4 h after dark	9.049710000000001	8.74684	9.35258
8 h after dark	8.4816	8.19189	8.77131
12 h after dark	6.752605	6.01359	7.49162