condition	mean	min	max
4 h after light	6.171235	5.91087	6.4316
8 h after light	6.2970749999999995	6.04973	6.54442
12 h after light	7.143865	6.5797	7.70803
4 h after dark	8.489746666666667	7.91556	9.04457
8 h after dark	7.8635	7.23035	8.34646
12 h after dark	6.69877	5.20427	7.98621