condition	mean	min	max
4 h after light	2.183155	1.96954	2.39677
8 h after light	2.567545	2.50391	2.63118
12 h after light	2.07389	1.82944	2.31834
4 h after dark	2.4905466666666665	2.32089	2.72462
8 h after dark	2.723596666666667	2.34261	3.04571
12 h after dark	2.95841	2.75444	3.12995