condition	mean	min	max
4 h after light	5.904789999999999	5.72122	6.24515
8 h after light	5.695756666666667	5.55485	5.84119
12 h after light	5.58743	5.4897599999999995	5.71354
4 h after dark	5.782266666666667	5.67745	5.9137
8 h after dark	5.6491	5.31005	5.83386
12 h after dark	5.73311	5.57074	5.97929