condition	mean	min	max
0 h after light	5.38768	4.72931	6.04605
4 h after light	7.679065	7.59424	7.76389
8 h after light	8.89667	8.60373	9.18961
4 h after dark	7.45761	7.40215	7.51307
8 h after dark	8.316125	7.83071	8.80154
12 h after dark	5.43094	4.63183	6.23005