condition	mean	min	max
0 h after light	11.4497	11.4054	11.494
4 h after light	10.65898	9.82436	11.4936
8 h after light	8.574214999999999	8.04042	9.10801
4 h after dark	12.78605	12.2516	13.3205
8 h after dark	12.0383	11.3615	12.7151
12 h after dark	13.7625	12.7842	14.7408