condition	mean	min	max
0 h after light	7.85048	7.51614	8.18482
4 h after light	4.09113	3.47489	4.70737
8 h after light	9.26586	7.42282	11.1089
4 h after dark	9.737079999999999	7.36866	12.1055
8 h after dark	9.449815000000001	8.06103	10.8386
12 h after dark	9.091695	8.85498	9.32841