condition	mean	min	max
4 h after light	51.7	51.7	51.7
8 h after light	70.15	49.9	90.4
12 h after light	94.95	91.2	98.7
4 h after dark	80.7	80.0	81.4
8 h after dark	45.1	33.7	56.5
12 h after dark	74.95	70.2	79.7