condition	mean	min	max
4 h after light	8.578365	8.09895	9.05778
8 h after light	7.38766	7.22233	7.55299
12 h after light	8.292745	7.24006	9.34543
4 h after dark	10.9703	10.2866	11.654
8 h after dark	9.788264999999999	9.71298	9.86355
12 h after dark	10.7457	10.318	11.1734