condition	mean	min	max
4 h after light	8.646429999999999	6.56696	10.7259
8 h after light	7.658525	7.09911	8.21794
12 h after light	8.949259999999999	8.76323	9.13529
4 h after dark	12.4019	12.1088	12.9309
8 h after dark	12.419433333333332	12.0748	12.6146
12 h after dark	11.079213333333334	9.32954	13.1223