condition	mean	min	max
4 h after light	9.096836	8.585233	9.608439
8 h after light	7.636578	7.225729	8.047427
12 h after light	8.8649665	8.209245	9.520688
4 h after dark	8.209245	8.209245	8.209245
8 h after dark	8.5176195	7.847117	9.188122
12 h after dark	7.490627	7.490627	7.490627