condition	mean	min	max
4 h after light	6.00367	4.90386	7.10348
8 h after light	5.51266	5.47594	5.54938
12 h after light	5.5605150000000005	5.30952	5.81151
4 h after dark	5.80354	5.6352	6.037
8 h after dark	6.235446666666666	5.93587	6.62325
12 h after dark	6.06976	5.83543	6.20603