condition	mean	min	max
3 h after light	8.420983333333334	7.87064	8.74895
6 h after light	6.61231	5.6408	7.52668
9 h after light	6.3732066666666665	5.81796	6.78118
12 h after light	9.428936666666667	8.49292	9.99223
3 h after dark	12.0935	11.0639	12.8958
6 h after dark	16.2163	15.9348	16.4091
9 h after dark	18.9554	17.6988	20.747
12 h after dark	14.8624	13.7839	16.2048