condition	mean	min	max
0 h after light	17.802950000000003	16.7907	18.8152
4 h after light	14.63825	12.9835	16.293
8 h after light	18.548000000000002	18.4503	18.6457
4 h after dark	14.599599999999999	13.0361	16.1631
8 h after dark	13.981449999999999	13.7915	14.1714
12 h after dark	19.09395	17.3106	20.8773