condition	mean	min	max
4 h after light	9.17654	9.03587	9.266810000000001
8 h after light	9.28318	9.12686	9.39935
12 h after light	9.29823	9.04622	9.45251
4 h after dark	9.482973333333334	9.21374	9.64578
8 h after dark	9.31977	9.118839999999999	9.46166
12 h after dark	9.450866666666666	9.39098	9.54089