PORTUGUESE FEBRUARY CONSUMER PRICES RISE ONE PCT Portugal's consumer prices rose one pct last month after a 1.2 pct increase in January and a 1.3 pct rise in February 1986, the National Statistics Institute said. The consumer price index (base 1976) rose to 761.3 from 753.7 in January and compared with 695.4 in February 1986. This gave a year-on-year February inflation rate of 9.5 pct against 9.8 pct in January and 12.6 pct in February 1986. Measured as an annual average rate, inflation in February was 11.1 pct compared with 11.4 pct in January. The government forecasts annual average inflation of about eight pct this year.