condition	mean	min	max
4 h after light	9.19852	9.05918	9.32001
8 h after light	9.146426666666667	8.96278	9.26249
12 h after light	9.168546666666666	9.02777	9.29857
4 h after dark	8.98647	8.68515	9.15489
8 h after dark	8.86387	8.72616	9.04725
12 h after dark	8.848146666666667	8.83194	8.86325