condition	mean	min	max
0 h after light	8.261195	8.18121	8.34118
4 h after light	18.5536	17.3633	19.7439
8 h after light	13.21195	11.8871	14.5368
4 h after dark	16.4654	12.9813	19.9495
8 h after dark	15.909500000000001	15.6717	16.1473
12 h after dark	12.969450000000002	9.9319	16.007