condition	mean	min	max
4 h after light	130.62	126.914	134.326
8 h after light	122.969	121.486	124.452
12 h after light	138.606	127.908	149.304
4 h after dark	168.56	163.935	173.185
8 h after dark	158.337	153.916	162.758
12 h after dark	155.8585	154.839	156.878