condition	mean	min	max
0 h after light	53.7357	52.5171	54.9543
4 h after light	50.35865	49.3698	51.3475
8 h after light	19.59695	19.1364	20.0575
4 h after dark	27.02995	21.8984	32.1615
8 h after dark	34.98295	32.2221	37.7438
12 h after dark	56.8631	56.6858	57.0404