condition	mean	min	max
0 h after light	10.36075	10.1579	10.5636
4 h after light	10.90292	8.20284	13.603
8 h after light	8.73016	8.27207	9.18825
4 h after dark	16.19455	10.8314	21.5577
8 h after dark	9.565180000000002	8.93556	10.1948
12 h after dark	8.472259999999999	6.99353	9.95099