condition	mean	min	max
4 h after light	16.511506	14.277211	18.745801
8 h after light	15.969308000000002	14.542246	17.39637
12 h after light	12.578284	12.418469	12.738099
4 h after dark	12.72968	12.288295	13.171065
8 h after dark	11.22296	11.178116	11.267804
12 h after dark	12.766457	12.766457	12.766457