condition	mean	min	max
4 h after light	4.47944	4.42884	4.53004
8 h after light	5.55259	5.06009	6.04509
12 h after light	5.051755	5.02773	5.07578
4 h after dark	5.825455	4.90976	6.74115
8 h after dark	4.964595	4.69191	5.23728
12 h after dark	5.387615	5.03135	5.74388