condition	mean	min	max
0 h after light	9.421524999999999	8.90648	9.93657
4 h after light	9.39878	8.35316	10.4444
8 h after light	6.656295	6.0689	7.24369
4 h after dark	8.907935	6.57447	11.2414
8 h after dark	12.00255	11.3315	12.6736
12 h after dark	10.583749999999998	10.1321	11.0354