condition	mean	min	max
4 h after light	1.930785	1.50039	2.36118
8 h after light	1.4216449999999998	1.35716	1.48613
12 h after light	1.3853975	0.791545	1.97925
4 h after dark	1.3448656666666667	0.598557	1.75975
8 h after dark	1.7944033333333334	1.59498	2.04807
12 h after dark	1.840243	0.861029	3.06881