condition	mean	min	max
4 h after light	9.822266666666668	9.733460000000001	9.93404
8 h after light	10.00403	9.913789999999999	10.15625
12 h after light	10.09259	10.02692	10.19834
4 h after dark	9.92935	9.75767	10.04695
8 h after dark	9.759133333333333	9.68261	9.81747
12 h after dark	9.51062	9.44042	9.63081