condition	mean	min	max
4 h after light	9.003176	8.601491	9.404861
8 h after light	8.385442	8.256528	8.514356
12 h after light	7.996600000000001	7.86794	8.12526
4 h after dark	8.2687365	8.256528	8.280945
8 h after dark	8.190041	7.992756	8.387326
12 h after dark	8.387326	8.387326	8.387326