condition	mean	min	max
4 h after light	9.680163333333335	9.410910000000001	9.82817
8 h after light	9.740373333333332	9.4958	9.88475
12 h after light	9.634640000000001	9.50101	9.70756
4 h after dark	9.69951	9.53307	9.88748
8 h after dark	9.73926	9.617989999999999	9.88185
12 h after dark	9.91283	9.73508	10.04598