condition	mean	min	max
0 h after light	9.630410000000001	9.31142	9.9494
4 h after light	8.86571	8.26068	9.47074
8 h after light	6.758165	6.2633	7.25303
4 h after dark	9.857705	8.61441	11.101
8 h after dark	9.770859999999999	8.71132	10.8304
12 h after dark	11.38955	10.3591	12.42