condition	mean	min	max
4 h after light	6.64681	5.16515	8.12847
8 h after light	6.064965	5.02836	7.10157
12 h after light	6.820595	6.41871	7.22248
4 h after dark	11.467943333333332	9.61783	13.2469
8 h after dark	10.987663333333334	9.05889	12.3235
12 h after dark	5.92821	5.16486	6.69152