condition	mean	min	max
4 h after light	7.61123	7.0068	8.21566
8 h after light	3.24824	3.03843	3.45805
12 h after light	3.7342	3.69548	3.77292
4 h after dark	6.660816666666666	5.86518	7.13724
8 h after dark	9.741156666666667	9.14151	10.8137
12 h after dark	8.167803333333334	7.03892	9.49872