condition	mean	min	max
4 h after light	68.7	68.7	68.7
8 h after light	58.8	39.6	78.0
12 h after light	58.6	37.7	79.5
4 h after dark	90.95	88.7	93.2
8 h after dark	32.8	13.7	51.9
12 h after dark	48.75	27.2	70.3