condition	mean	min	max
4 h after light	7.968645	7.19045	8.74684
8 h after light	11.5349	10.9913	12.0785
12 h after light	14.28915	14.0755	14.5028
4 h after dark	13.156266666666667	12.8684	13.3818
8 h after dark	11.2201	10.6199	12.1937
12 h after dark	8.754383333333333	8.40789	8.97235