condition	mean	min	max
4 h after light	15.1897	13.6981	16.6813
8 h after light	8.695260000000001	8.50589	8.88463
12 h after light	9.660435	5.90937	13.4115
4 h after dark	7.9208	7.7982	8.10538
8 h after dark	7.11271	5.45174	8.58765
12 h after dark	6.7925466666666665	5.5239	7.4881