condition	mean	min	max
4 h after light	34.9	34.9	34.9
8 h after light	54.1	37.5	70.7
12 h after light	27.55	6.6	48.5
4 h after dark	41.25	13.1	69.4
8 h after dark	76.5	74.6	78.4
12 h after dark	36.45	19.8	53.1